id	sid	tid	token	lemma	pos
ap-8481	1	1	acta	acta	PROPN
ap-8481	1	2	polytechnica	polytechnica	PROPN
ap-8481	1	3	https://doi.org/10.14311/ap.2023.63.0023	https://doi.org/10.14311/ap.2023.63.0023	PROPN
ap-8481	1	4	acta	acta	PROPN
ap-8481	1	5	polytechnica	polytechnica	PROPN
ap-8481	1	6	63(1):23–35	63(1):23–35	NUM
ap-8481	1	7	,	,	PUNCT
ap-8481	1	8	2023	2023	NUM
ap-8481	1	9	©	©	ADP
ap-8481	1	10	2023	2023	NUM
ap-8481	1	11	the	the	DET
ap-8481	1	12	author(s	author(s	NOUN
ap-8481	1	13	)	)	PUNCT
ap-8481	1	14	.	.	PUNCT
ap-8481	2	1	licensed	license	VERB
ap-8481	2	2	under	under	ADP
ap-8481	2	3	a	a	DET
ap-8481	2	4	cc	cc	NOUN
ap-8481	2	5	-	-	PUNCT
ap-8481	2	6	by	by	ADP
ap-8481	2	7	4.0	4.0	NUM
ap-8481	2	8	licence	licence	NOUN
ap-8481	2	9	published	publish	VERB
ap-8481	2	10	by	by	ADP
ap-8481	2	11	the	the	DET
ap-8481	2	12	czech	czech	PROPN
ap-8481	2	13	technical	technical	PROPN
ap-8481	2	14	university	university	PROPN
ap-8481	2	15	in	in	ADP
ap-8481	2	16	prague	prague	PROPN
ap-8481	2	17	self	self	NOUN
ap-8481	2	18	-	-	PUNCT
ap-8481	2	19	interference	interference	NOUN
ap-8481	2	20	cancellation	cancellation	NOUN
ap-8481	2	21	in	in	ADP
ap-8481	2	22	underwater	underwater	ADJ
ap-8481	2	23	acoustic	acoustic	ADJ
ap-8481	2	24	communications	communication	NOUN
ap-8481	2	25	systems	system	NOUN
ap-8481	2	26	using	use	VERB
ap-8481	2	27	orthogonal	orthogonal	ADJ
ap-8481	2	28	pilots	pilot	NOUN
ap-8481	2	29	in	in	ADP
ap-8481	2	30	ibfd	ibfd	VERB
ap-8481	2	31	hala	hala	PROPN
ap-8481	2	32	a.	a.	PROPN
ap-8481	2	33	namana	namana	PROPN
ap-8481	2	34	,	,	PUNCT
ap-8481	2	35	b	b	PROPN
ap-8481	2	36	,	,	PUNCT
ap-8481	2	37	ammar	ammar	PROPN
ap-8481	2	38	e.	e.	PROPN
ap-8481	2	39	abdelkareema,∗	abdelkareema,∗	PROPN
ap-8481	2	40	a	a	DET
ap-8481	2	41	al	al	PROPN
ap-8481	2	42	-	-	PUNCT
ap-8481	2	43	nahrain	nahrain	PROPN
ap-8481	2	44	university	university	NOUN
ap-8481	2	45	,	,	PUNCT
ap-8481	2	46	college	college	NOUN
ap-8481	2	47	of	of	ADP
ap-8481	2	48	information	information	NOUN
ap-8481	2	49	engineering	engineering	NOUN
ap-8481	2	50	,	,	PUNCT
ap-8481	2	51	department	department	NOUN
ap-8481	2	52	of	of	ADP
ap-8481	2	53	computer	computer	NOUN
ap-8481	2	54	networks	network	NOUN
ap-8481	2	55	engineering	engineering	PROPN
ap-8481	2	56	,	,	PUNCT
ap-8481	2	57	baghdad	baghdad	PROPN
ap-8481	2	58	,	,	PUNCT
ap-8481	2	59	iraq	iraq	PROPN
ap-8481	2	60	b	b	PROPN
ap-8481	2	61	university	university	PROPN
ap-8481	2	62	of	of	ADP
ap-8481	2	63	wasit	wasit	PROPN
ap-8481	2	64	,	,	PUNCT
ap-8481	2	65	college	college	NOUN
ap-8481	2	66	of	of	ADP
ap-8481	2	67	engineering	engineering	NOUN
ap-8481	2	68	,	,	PUNCT
ap-8481	2	69	department	department	NOUN
ap-8481	2	70	of	of	ADP
ap-8481	2	71	architecture	architecture	NOUN
ap-8481	2	72	,	,	PUNCT
ap-8481	2	73	wasit	wasit	PROPN
ap-8481	2	74	,	,	PUNCT
ap-8481	2	75	iraq	iraq	PROPN
ap-8481	2	76	∗	∗	VERB
ap-8481	2	77	corresponding	correspond	VERB
ap-8481	2	78	author	author	NOUN
ap-8481	2	79	:	:	PUNCT
ap-8481	2	80	ammar.algassab@nahrainuniv.edu.iq	ammar.algassab@nahrainuniv.edu.iq	ADJ
ap-8481	2	81	abstract	abstract	NOUN
ap-8481	2	82	.	.	PUNCT
ap-8481	3	1	this	this	DET
ap-8481	3	2	paper	paper	NOUN
ap-8481	3	3	proposes	propose	VERB
ap-8481	3	4	a	a	DET
ap-8481	3	5	self	self	NOUN
ap-8481	3	6	-	-	PUNCT
ap-8481	3	7	interference	interference	NOUN
ap-8481	3	8	(	(	PUNCT
ap-8481	3	9	si	si	NOUN
ap-8481	3	10	)	)	PUNCT
ap-8481	3	11	cancellation	cancellation	NOUN
ap-8481	3	12	system	system	NOUN
ap-8481	3	13	model	model	NOUN
ap-8481	3	14	of	of	ADP
ap-8481	3	15	underwater	underwater	ADJ
ap-8481	3	16	acoustic	acoustic	ADJ
ap-8481	3	17	(	(	PUNCT
ap-8481	3	18	uwa	uwa	NOUN
ap-8481	3	19	)	)	PUNCT
ap-8481	3	20	communication	communication	NOUN
ap-8481	3	21	for	for	ADP
ap-8481	3	22	in	in	ADP
ap-8481	3	23	-	-	PUNCT
ap-8481	3	24	band	band	NOUN
ap-8481	3	25	full	full	ADJ
ap-8481	3	26	-	-	PUNCT
ap-8481	3	27	duplex	duplex	NOUN
ap-8481	3	28	(	(	PUNCT
ap-8481	3	29	ibfd	ibfd	ADJ
ap-8481	3	30	)	)	PUNCT
ap-8481	3	31	technology	technology	NOUN
ap-8481	3	32	.	.	PUNCT
ap-8481	4	1	the	the	DET
ap-8481	4	2	si	si	PROPN
ap-8481	4	3	channel	channel	NOUN
ap-8481	4	4	is	be	AUX
ap-8481	4	5	separated	separate	VERB
ap-8481	4	6	from	from	ADP
ap-8481	4	7	the	the	DET
ap-8481	4	8	far	far	ADJ
ap-8481	4	9	channel	channel	NOUN
ap-8481	4	10	by	by	ADP
ap-8481	4	11	exploiting	exploit	VERB
ap-8481	4	12	a	a	DET
ap-8481	4	13	concurrently	concurrently	ADV
ap-8481	4	14	orthogonal	orthogonal	ADJ
ap-8481	4	15	pilot	pilot	NOUN
ap-8481	4	16	channel	channel	NOUN
ap-8481	4	17	estimation	estimation	NOUN
ap-8481	4	18	technique	technique	NOUN
ap-8481	4	19	using	use	VERB
ap-8481	4	20	two	two	NUM
ap-8481	4	21	orthogonal	orthogonal	ADJ
ap-8481	4	22	frequency	frequency	NOUN
ap-8481	4	23	-	-	PUNCT
ap-8481	4	24	division	division	NOUN
ap-8481	4	25	multiplexing	multiplexing	NOUN
ap-8481	4	26	(	(	PUNCT
ap-8481	4	27	ofdm	ofdm	NOUN
ap-8481	4	28	)	)	PUNCT
ap-8481	4	29	blocks	block	NOUN
ap-8481	4	30	to	to	PART
ap-8481	4	31	establish	establish	VERB
ap-8481	4	32	orthogonality	orthogonality	NOUN
ap-8481	4	33	between	between	ADP
ap-8481	4	34	them	they	PRON
ap-8481	4	35	based	base	VERB
ap-8481	4	36	on	on	ADP
ap-8481	4	37	a	a	DET
ap-8481	4	38	unitary	unitary	ADJ
ap-8481	4	39	matrix	matrix	NOUN
ap-8481	4	40	.	.	PUNCT
ap-8481	5	1	compared	compare	VERB
ap-8481	5	2	to	to	ADP
ap-8481	5	3	the	the	DET
ap-8481	5	4	half	half	ADJ
ap-8481	5	5	-	-	PUNCT
ap-8481	5	6	duplex	duplex	NOUN
ap-8481	5	7	channel	channel	NOUN
ap-8481	5	8	estimator	estimator	NOUN
ap-8481	5	9	,	,	PUNCT
ap-8481	5	10	the	the	DET
ap-8481	5	11	mean	mean	NOUN
ap-8481	5	12	squared	square	VERB
ap-8481	5	13	error	error	NOUN
ap-8481	5	14	(	(	PUNCT
ap-8481	5	15	mse	mse	NOUN
ap-8481	5	16	)	)	PUNCT
ap-8481	5	17	and	and	CCONJ
ap-8481	5	18	the	the	DET
ap-8481	5	19	bit	bit	NOUN
ap-8481	5	20	error	error	NOUN
ap-8481	5	21	rate	rate	NOUN
ap-8481	5	22	(	(	PUNCT
ap-8481	5	23	ber	ber	NOUN
ap-8481	5	24	)	)	PUNCT
ap-8481	5	25	provided	provide	VERB
ap-8481	5	26	strong	strong	ADJ
ap-8481	5	27	evidence	evidence	NOUN
ap-8481	5	28	for	for	ADP
ap-8481	5	29	the	the	DET
ap-8481	5	30	efficiency	efficiency	NOUN
ap-8481	5	31	of	of	ADP
ap-8481	5	32	the	the	DET
ap-8481	5	33	proposed	propose	VERB
ap-8481	5	34	si	si	PROPN
ap-8481	5	35	cancellation	cancellation	NOUN
ap-8481	5	36	.	.	PUNCT
ap-8481	6	1	since	since	SCONJ
ap-8481	6	2	full	full	ADJ
ap-8481	6	3	-	-	PUNCT
ap-8481	6	4	duplex	duplex	NOUN
ap-8481	6	5	systems	system	NOUN
ap-8481	6	6	are	be	AUX
ap-8481	6	7	more	more	ADV
ap-8481	6	8	efficient	efficient	ADJ
ap-8481	6	9	than	than	ADP
ap-8481	6	10	half	half	ADJ
ap-8481	6	11	-	-	PUNCT
ap-8481	6	12	duplex	duplex	NOUN
ap-8481	6	13	ones	one	NOUN
ap-8481	6	14	,	,	PUNCT
ap-8481	6	15	the	the	DET
ap-8481	6	16	proposed	propose	VERB
ap-8481	6	17	approach	approach	NOUN
ap-8481	6	18	might	might	AUX
ap-8481	6	19	be	be	AUX
ap-8481	6	20	seen	see	VERB
ap-8481	6	21	as	as	ADP
ap-8481	6	22	a	a	DET
ap-8481	6	23	viable	viable	ADJ
ap-8481	6	24	option	option	NOUN
ap-8481	6	25	for	for	ADP
ap-8481	6	26	them	they	PRON
ap-8481	6	27	.	.	PUNCT
ap-8481	7	1	the	the	DET
ap-8481	7	2	proposed	propose	VERB
ap-8481	7	3	method	method	NOUN
ap-8481	7	4	proved	prove	VERB
ap-8481	7	5	effective	effective	ADJ
ap-8481	7	6	when	when	SCONJ
ap-8481	7	7	used	use	VERB
ap-8481	7	8	with	with	ADP
ap-8481	7	9	a	a	DET
ap-8481	7	10	fixed	fix	VERB
ap-8481	7	11	full	full	ADJ
ap-8481	7	12	-	-	PUNCT
ap-8481	7	13	duplex	duplex	NOUN
ap-8481	7	14	(	(	PUNCT
ap-8481	7	15	fd	fd	NOUN
ap-8481	7	16	)	)	PUNCT
ap-8481	7	17	position	position	NOUN
ap-8481	7	18	and	and	CCONJ
ap-8481	7	19	fd	fd	X
ap-8481	7	20	shifting	shift	VERB
ap-8481	7	21	of	of	ADP
ap-8481	7	22	up	up	ADP
ap-8481	7	23	to	to	PART
ap-8481	7	24	4	4	NUM
ap-8481	7	25	°	°	NOUN
ap-8481	7	26	.	.	PUNCT
ap-8481	8	1	different	different	ADJ
ap-8481	8	2	channel	channel	NOUN
ap-8481	8	3	lengths	length	NOUN
ap-8481	8	4	and	and	CCONJ
ap-8481	8	5	distances	distance	NOUN
ap-8481	8	6	are	be	AUX
ap-8481	8	7	adopted	adopt	VERB
ap-8481	8	8	to	to	PART
ap-8481	8	9	evaluate	evaluate	VERB
ap-8481	8	10	the	the	DET
ap-8481	8	11	proposed	propose	VERB
ap-8481	8	12	method	method	NOUN
ap-8481	8	13	.	.	PUNCT
ap-8481	9	1	initial	initial	ADJ
ap-8481	9	2	findings	finding	NOUN
ap-8481	9	3	indicate	indicate	VERB
ap-8481	9	4	that	that	PRON
ap-8481	9	5	mse	mse	NOUN
ap-8481	9	6	for	for	ADP
ap-8481	9	7	the	the	DET
ap-8481	9	8	si	si	PROPN
ap-8481	9	9	channel	channel	PROPN
ap-8481	9	10	minimum	minimum	NOUN
ap-8481	9	11	mean	mean	ADJ
ap-8481	9	12	-	-	PUNCT
ap-8481	9	13	square	square	NOUN
ap-8481	9	14	error	error	NOUN
ap-8481	9	15	(	(	PUNCT
ap-8481	9	16	mmse	mmse	ADJ
ap-8481	9	17	)	)	PUNCT
ap-8481	9	18	estimator	estimator	NOUN
ap-8481	9	19	at	at	ADP
ap-8481	9	20	20	20	NUM
ap-8481	9	21	db	db	NOUN
ap-8481	9	22	is	be	AUX
ap-8481	9	23	0.118	0.118	NUM
ap-8481	9	24	·	·	PUNCT
ap-8481	9	25	10−3	10−3	NUM
ap-8481	9	26	,	,	PUNCT
ap-8481	9	27	for	for	ADP
ap-8481	9	28	fixed	fix	VERB
ap-8481	9	29	fd	fd	PROPN
ap-8481	9	30	.	.	PUNCT
ap-8481	10	1	in	in	ADP
ap-8481	10	2	addition	addition	NOUN
ap-8481	10	3	,	,	PUNCT
ap-8481	10	4	this	this	DET
ap-8481	10	5	paper	paper	NOUN
ap-8481	10	6	presents	present	VERB
ap-8481	10	7	a	a	DET
ap-8481	10	8	geometry	geometry	NOUN
ap-8481	10	9	channel	channel	NOUN
ap-8481	10	10	model	model	NOUN
ap-8481	10	11	for	for	ADP
ap-8481	10	12	the	the	DET
ap-8481	10	13	far	far	ADJ
ap-8481	10	14	channel	channel	NOUN
ap-8481	10	15	in	in	ADP
ap-8481	10	16	the	the	DET
ap-8481	10	17	ibfd	ibfd	ADJ
ap-8481	10	18	underwater	underwater	ADJ
ap-8481	10	19	communication	communication	NOUN
ap-8481	10	20	system	system	NOUN
ap-8481	10	21	that	that	PRON
ap-8481	10	22	describes	describe	VERB
ap-8481	10	23	the	the	DET
ap-8481	10	24	propagation	propagation	NOUN
ap-8481	10	25	delay	delay	NOUN
ap-8481	10	26	of	of	ADP
ap-8481	10	27	the	the	DET
ap-8481	10	28	multipath	multipath	NOUN
ap-8481	10	29	reflection	reflection	NOUN
ap-8481	10	30	.	.	PUNCT
ap-8481	11	1	the	the	DET
ap-8481	11	2	simulation	simulation	NOUN
ap-8481	11	3	results	result	VERB
ap-8481	11	4	for	for	ADP
ap-8481	11	5	the	the	DET
ap-8481	11	6	multipath	multipath	NOUN
ap-8481	11	7	propagation	propagation	NOUN
ap-8481	11	8	delay	delay	NOUN
ap-8481	11	9	spread	spread	NOUN
ap-8481	11	10	are	be	AUX
ap-8481	11	11	similar	similar	ADJ
ap-8481	11	12	to	to	ADP
ap-8481	11	13	the	the	DET
ap-8481	11	14	traditional	traditional	ADJ
ap-8481	11	15	results	result	NOUN
ap-8481	11	16	,	,	PUNCT
ap-8481	11	17	with	with	SCONJ
ap-8481	11	18	the	the	DET
ap-8481	11	19	delay	delay	NOUN
ap-8481	11	20	spread	spread	NOUN
ap-8481	11	21	of	of	ADP
ap-8481	11	22	the	the	DET
ap-8481	11	23	suggested	suggest	VERB
ap-8481	11	24	model	model	NOUN
ap-8481	11	25	reaching	reach	VERB
ap-8481	11	26	(	(	PUNCT
ap-8481	11	27	79	79	NUM
ap-8481	11	28	ms	ms	NOUN
ap-8481	11	29	)	)	PUNCT
ap-8481	11	30	,	,	PUNCT
ap-8481	11	31	which	which	PRON
ap-8481	11	32	is	be	AUX
ap-8481	11	33	close	close	ADJ
ap-8481	11	34	to	to	ADP
ap-8481	11	35	the	the	DET
ap-8481	11	36	bellhop	bellhop	PROPN
ap-8481	11	37	simulator	simulator	NOUN
ap-8481	11	38	result	result	NOUN
ap-8481	11	39	(	(	PUNCT
ap-8481	11	40	78	78	NUM
ap-8481	11	41	ms	ms	NOUN
ap-8481	11	42	)	)	PUNCT
ap-8481	11	43	.	.	PUNCT
ap-8481	12	1	keywords	keyword	NOUN
ap-8481	12	2	:	:	PUNCT
ap-8481	12	3	full	full	ADJ
ap-8481	12	4	duplex	duplex	NOUN
ap-8481	12	5	,	,	PUNCT
ap-8481	12	6	self	self	NOUN
ap-8481	12	7	-	-	PUNCT
ap-8481	12	8	interference	interference	NOUN
ap-8481	12	9	cancellation	cancellation	NOUN
ap-8481	12	10	,	,	PUNCT
ap-8481	12	11	far	far	ADJ
ap-8481	12	12	channel	channel	NOUN
ap-8481	12	13	model	model	NOUN
ap-8481	12	14	,	,	PUNCT
ap-8481	12	15	channel	channel	NOUN
ap-8481	12	16	estimation	estimation	NOUN
ap-8481	12	17	,	,	PUNCT
ap-8481	12	18	multipath	multipath	NOUN
ap-8481	12	19	propagation	propagation	NOUN
ap-8481	12	20	,	,	PUNCT
ap-8481	12	21	underwater	underwater	ADJ
ap-8481	12	22	acoustic	acoustic	ADJ
ap-8481	12	23	communication	communication	NOUN
ap-8481	12	24	.	.	PUNCT
ap-8481	13	1	1	1	X
ap-8481	13	2	.	.	X
ap-8481	13	3	introduction	introduction	NOUN
ap-8481	13	4	many	many	ADJ
ap-8481	13	5	industries	industry	NOUN
ap-8481	13	6	have	have	AUX
ap-8481	13	7	found	find	VERB
ap-8481	13	8	a	a	DET
ap-8481	13	9	use	use	NOUN
ap-8481	13	10	for	for	ADP
ap-8481	13	11	the	the	DET
ap-8481	13	12	uwa	uwa	PROPN
ap-8481	13	13	communication	communication	NOUN
ap-8481	13	14	technology	technology	NOUN
ap-8481	13	15	,	,	PUNCT
ap-8481	13	16	which	which	PRON
ap-8481	13	17	has	have	AUX
ap-8481	13	18	been	be	AUX
ap-8481	13	19	extensively	extensively	ADV
ap-8481	13	20	researched	research	VERB
ap-8481	13	21	and	and	CCONJ
ap-8481	13	22	put	put	VERB
ap-8481	13	23	into	into	ADP
ap-8481	13	24	practice	practice	NOUN
ap-8481	13	25	in	in	ADP
ap-8481	13	26	areas	area	NOUN
ap-8481	13	27	including	include	VERB
ap-8481	13	28	underwater	underwater	ADJ
ap-8481	13	29	sensor	sensor	NOUN
ap-8481	13	30	networks	network	NOUN
ap-8481	13	31	,	,	PUNCT
ap-8481	13	32	marine	marine	ADJ
ap-8481	13	33	environment	environment	NOUN
ap-8481	13	34	observation	observation	NOUN
ap-8481	13	35	,	,	PUNCT
ap-8481	13	36	oceanographic	oceanographic	ADJ
ap-8481	13	37	engineering	engineering	NOUN
ap-8481	13	38	building	building	NOUN
ap-8481	13	39	,	,	PUNCT
ap-8481	13	40	etc	etc	X
ap-8481	13	41	.	.	X
ap-8481	14	1	[	[	X
ap-8481	14	2	1	1	NUM
ap-8481	14	3	]	]	PUNCT
ap-8481	14	4	.	.	PUNCT
ap-8481	15	1	uwa	uwa	PROPN
ap-8481	15	2	communication	communication	NOUN
ap-8481	15	3	systems	system	NOUN
ap-8481	15	4	’	'	PUNCT
ap-8481	15	5	spectral	spectral	ADJ
ap-8481	15	6	efficiency	efficiency	NOUN
ap-8481	15	7	is	be	AUX
ap-8481	15	8	limited	limit	VERB
ap-8481	15	9	by	by	ADP
ap-8481	15	10	three	three	NUM
ap-8481	15	11	variables	variable	NOUN
ap-8481	15	12	:	:	PUNCT
ap-8481	15	13	the	the	DET
ap-8481	15	14	small	small	ADJ
ap-8481	15	15	frequency	frequency	NOUN
ap-8481	15	16	bandwidth	bandwidth	NOUN
ap-8481	15	17	available	available	ADJ
ap-8481	15	18	,	,	PUNCT
ap-8481	15	19	the	the	DET
ap-8481	15	20	complexity	complexity	NOUN
ap-8481	15	21	of	of	ADP
ap-8481	15	22	uwa	uwa	PROPN
ap-8481	15	23	multipath	multipath	PROPN
ap-8481	15	24	propagation	propagation	NOUN
ap-8481	15	25	,	,	PUNCT
ap-8481	15	26	and	and	CCONJ
ap-8481	15	27	the	the	DET
ap-8481	15	28	slow	slow	ADJ
ap-8481	15	29	speed	speed	NOUN
ap-8481	15	30	of	of	ADP
ap-8481	15	31	sound	sound	ADJ
ap-8481	15	32	underwater	underwater	NOUN
ap-8481	15	33	(	(	PUNCT
ap-8481	15	34	1500	1500	NUM
ap-8481	15	35	m	m	NOUN
ap-8481	15	36	s−1	s−1	PROPN
ap-8481	15	37	)	)	PUNCT
ap-8481	16	1	[	[	X
ap-8481	16	2	2	2	NUM
ap-8481	16	3	,	,	PUNCT
ap-8481	16	4	3	3	NUM
ap-8481	16	5	]	]	PUNCT
ap-8481	16	6	.	.	PUNCT
ap-8481	17	1	to	to	PART
ap-8481	17	2	maximise	maximise	VERB
ap-8481	17	3	the	the	DET
ap-8481	17	4	usage	usage	NOUN
ap-8481	17	5	of	of	ADP
ap-8481	17	6	the	the	DET
ap-8481	17	7	radio	radio	NOUN
ap-8481	17	8	spectrum	spectrum	NOUN
ap-8481	17	9	,	,	PUNCT
ap-8481	17	10	the	the	DET
ap-8481	17	11	fd	fd	PROPN
ap-8481	17	12	communication	communication	NOUN
ap-8481	17	13	technology	technology	NOUN
ap-8481	17	14	was	be	AUX
ap-8481	17	15	developed	develop	VERB
ap-8481	17	16	[	[	X
ap-8481	17	17	4	4	NUM
ap-8481	17	18	,	,	PUNCT
ap-8481	17	19	5	5	NUM
ap-8481	17	20	]	]	PUNCT
ap-8481	17	21	.	.	PUNCT
ap-8481	18	1	this	this	DET
ap-8481	18	2	technology	technology	NOUN
ap-8481	18	3	may	may	AUX
ap-8481	18	4	also	also	ADV
ap-8481	18	5	be	be	AUX
ap-8481	18	6	applied	apply	VERB
ap-8481	18	7	to	to	ADP
ap-8481	18	8	uwa	uwa	PROPN
ap-8481	18	9	communications	communication	NOUN
ap-8481	18	10	systems	system	NOUN
ap-8481	18	11	.	.	PUNCT
ap-8481	19	1	many	many	ADJ
ap-8481	19	2	studies	study	NOUN
ap-8481	19	3	have	have	AUX
ap-8481	19	4	been	be	AUX
ap-8481	19	5	done	do	VERB
ap-8481	19	6	on	on	ADP
ap-8481	19	7	the	the	DET
ap-8481	19	8	viability	viability	NOUN
ap-8481	19	9	of	of	ADP
ap-8481	19	10	fd	fd	PROPN
ap-8481	19	11	technology	technology	NOUN
ap-8481	19	12	in	in	ADP
ap-8481	19	13	uwa	uwa	ADJ
ap-8481	19	14	communication	communication	NOUN
ap-8481	19	15	systems	system	NOUN
ap-8481	19	16	[	[	X
ap-8481	19	17	6	6	NUM
ap-8481	19	18	,	,	PUNCT
ap-8481	19	19	7	7	NUM
ap-8481	19	20	]	]	PUNCT
ap-8481	19	21	,	,	PUNCT
ap-8481	19	22	particularly	particularly	ADV
ap-8481	19	23	the	the	DET
ap-8481	19	24	ibfd	ibfd	ADJ
ap-8481	19	25	technology	technology	NOUN
ap-8481	19	26	,	,	PUNCT
ap-8481	19	27	due	due	ADP
ap-8481	19	28	to	to	ADP
ap-8481	19	29	its	its	PRON
ap-8481	19	30	ability	ability	NOUN
ap-8481	19	31	to	to	PART
ap-8481	19	32	increase	increase	VERB
ap-8481	19	33	system	system	NOUN
ap-8481	19	34	performance	performance	NOUN
ap-8481	19	35	by	by	ADP
ap-8481	19	36	a	a	DET
ap-8481	19	37	factor	factor	NOUN
ap-8481	19	38	of	of	ADP
ap-8481	19	39	two	two	NUM
ap-8481	19	40	by	by	ADP
ap-8481	19	41	doubling	double	VERB
ap-8481	19	42	the	the	DET
ap-8481	19	43	frequency	frequency	NOUN
ap-8481	19	44	spectrum	spectrum	NOUN
ap-8481	19	45	efficiency	efficiency	NOUN
ap-8481	19	46	.	.	PUNCT
ap-8481	20	1	due	due	ADP
ap-8481	20	2	to	to	ADP
ap-8481	20	3	the	the	DET
ap-8481	20	4	signal	signal	NOUN
ap-8481	20	5	of	of	ADP
ap-8481	20	6	the	the	DET
ap-8481	20	7	near	near	ADJ
ap-8481	20	8	transmitter	transmitter	NOUN
ap-8481	20	9	in	in	ADP
ap-8481	20	10	fd	fd	PROPN
ap-8481	20	11	interfering	interfere	VERB
ap-8481	20	12	with	with	ADP
ap-8481	20	13	the	the	DET
ap-8481	20	14	signal	signal	NOUN
ap-8481	20	15	of	of	ADP
ap-8481	20	16	interest	interest	NOUN
ap-8481	20	17	from	from	ADP
ap-8481	20	18	the	the	DET
ap-8481	20	19	far	far	ADJ
ap-8481	20	20	transmitter	transmitter	NOUN
ap-8481	20	21	and	and	CCONJ
ap-8481	20	22	preventing	prevent	VERB
ap-8481	20	23	the	the	DET
ap-8481	20	24	receiver	receiver	NOUN
ap-8481	20	25	of	of	ADP
ap-8481	20	26	fd	fd	PROPN
ap-8481	20	27	from	from	ADP
ap-8481	20	28	detecting	detect	VERB
ap-8481	20	29	the	the	DET
ap-8481	20	30	desired	desire	VERB
ap-8481	20	31	signal	signal	NOUN
ap-8481	20	32	because	because	SCONJ
ap-8481	20	33	of	of	ADP
ap-8481	20	34	its	its	PRON
ap-8481	20	35	high	high	ADJ
ap-8481	20	36	power	power	NOUN
ap-8481	20	37	and	and	CCONJ
ap-8481	20	38	long	long	ADJ
ap-8481	20	39	delay	delay	NOUN
ap-8481	20	40	spread	spread	NOUN
ap-8481	20	41	of	of	ADP
ap-8481	20	42	multipath	multipath	NOUN
ap-8481	20	43	propagation	propagation	NOUN
ap-8481	20	44	,	,	PUNCT
ap-8481	20	45	the	the	DET
ap-8481	20	46	si	si	PROPN
ap-8481	20	47	cancellation	cancellation	NOUN
ap-8481	20	48	is	be	AUX
ap-8481	20	49	a	a	DET
ap-8481	20	50	primary	primary	ADJ
ap-8481	20	51	challenge	challenge	NOUN
ap-8481	20	52	regarding	regard	VERB
ap-8481	20	53	fd	fd	PROPN
ap-8481	20	54	communications	communication	NOUN
ap-8481	20	55	and	and	CCONJ
ap-8481	20	56	has	have	AUX
ap-8481	20	57	been	be	AUX
ap-8481	20	58	the	the	DET
ap-8481	20	59	primary	primary	ADJ
ap-8481	20	60	focus	focus	NOUN
ap-8481	20	61	of	of	ADP
ap-8481	20	62	research	research	NOUN
ap-8481	20	63	efforts	effort	NOUN
ap-8481	20	64	.	.	PUNCT
ap-8481	21	1	the	the	DET
ap-8481	21	2	si	si	PROPN
ap-8481	21	3	cancellation	cancellation	NOUN
ap-8481	21	4	may	may	AUX
ap-8481	21	5	be	be	AUX
ap-8481	21	6	realised	realise	VERB
ap-8481	21	7	in	in	ADP
ap-8481	21	8	two	two	NUM
ap-8481	21	9	ways	way	NOUN
ap-8481	21	10	:	:	PUNCT
ap-8481	21	11	analog	analog	NOUN
ap-8481	21	12	cancellation	cancellation	NOUN
ap-8481	21	13	and	and	CCONJ
ap-8481	21	14	digital	digital	ADJ
ap-8481	21	15	cancellation	cancellation	NOUN
ap-8481	21	16	.	.	PUNCT
ap-8481	22	1	the	the	DET
ap-8481	22	2	si	si	PROPN
ap-8481	22	3	cancellation	cancellation	NOUN
ap-8481	22	4	performance	performance	NOUN
ap-8481	22	5	can	can	AUX
ap-8481	22	6	be	be	AUX
ap-8481	22	7	enhanced	enhance	VERB
ap-8481	22	8	by	by	ADP
ap-8481	22	9	obtaining	obtain	VERB
ap-8481	22	10	more	more	ADV
ap-8481	22	11	precise	precise	ADJ
ap-8481	22	12	si	si	NOUN
ap-8481	22	13	and	and	CCONJ
ap-8481	22	14	far	far	ADJ
ap-8481	22	15	channel	channel	NOUN
ap-8481	22	16	estimations	estimation	NOUN
ap-8481	22	17	[	[	X
ap-8481	22	18	8	8	NUM
ap-8481	22	19	,	,	PUNCT
ap-8481	22	20	9	9	NUM
ap-8481	22	21	]	]	PUNCT
ap-8481	22	22	.	.	PUNCT
ap-8481	23	1	to	to	PART
ap-8481	23	2	reach	reach	VERB
ap-8481	23	3	an	an	DET
ap-8481	23	4	excellent	excellent	ADJ
ap-8481	23	5	estimation	estimation	NOUN
ap-8481	23	6	,	,	PUNCT
ap-8481	23	7	we	we	PRON
ap-8481	23	8	should	should	AUX
ap-8481	23	9	be	be	AUX
ap-8481	23	10	able	able	ADJ
ap-8481	23	11	to	to	PART
ap-8481	23	12	distinguish	distinguish	VERB
ap-8481	23	13	between	between	ADP
ap-8481	23	14	the	the	DET
ap-8481	23	15	si	si	NOUN
ap-8481	23	16	and	and	CCONJ
ap-8481	23	17	the	the	DET
ap-8481	23	18	far	far	ADJ
ap-8481	23	19	channel	channel	NOUN
ap-8481	23	20	at	at	ADP
ap-8481	23	21	the	the	DET
ap-8481	23	22	reception	reception	NOUN
ap-8481	23	23	.	.	PUNCT
ap-8481	24	1	this	this	DET
ap-8481	24	2	separation	separation	NOUN
ap-8481	24	3	may	may	AUX
ap-8481	24	4	be	be	AUX
ap-8481	24	5	attained	attain	VERB
ap-8481	24	6	using	use	VERB
ap-8481	24	7	orthogonality	orthogonality	NOUN
ap-8481	24	8	,	,	PUNCT
ap-8481	24	9	which	which	PRON
ap-8481	24	10	is	be	AUX
ap-8481	24	11	employed	employ	VERB
ap-8481	24	12	in	in	ADP
ap-8481	24	13	the	the	DET
ap-8481	24	14	transmission	transmission	NOUN
ap-8481	24	15	techniques	technique	NOUN
ap-8481	24	16	of	of	ADP
ap-8481	24	17	ofdm	ofdm	NOUN
ap-8481	24	18	that	that	PRON
ap-8481	24	19	operate	operate	VERB
ap-8481	24	20	in	in	ADP
ap-8481	24	21	a	a	DET
ap-8481	24	22	half	half	ADJ
ap-8481	24	23	-	-	PUNCT
ap-8481	24	24	duplex	duplex	NOUN
ap-8481	24	25	mode	mode	NOUN
ap-8481	24	26	.	.	PUNCT
ap-8481	25	1	signals	signal	NOUN
ap-8481	25	2	orthogonal	orthogonal	ADJ
ap-8481	25	3	to	to	ADP
ap-8481	25	4	one	one	NUM
ap-8481	25	5	another	another	PRON
ap-8481	25	6	do	do	AUX
ap-8481	25	7	not	not	PART
ap-8481	25	8	interact	interact	VERB
ap-8481	25	9	,	,	PUNCT
ap-8481	25	10	conflict	conflict	NOUN
ap-8481	25	11	with	with	ADP
ap-8481	25	12	one	one	NUM
ap-8481	25	13	another	another	DET
ap-8481	25	14	,	,	PUNCT
ap-8481	25	15	and	and	CCONJ
ap-8481	25	16	can	can	AUX
ap-8481	25	17	be	be	AUX
ap-8481	25	18	examined	examine	VERB
ap-8481	25	19	individually	individually	ADV
ap-8481	25	20	without	without	ADP
ap-8481	25	21	the	the	DET
ap-8481	25	22	other	other	ADJ
ap-8481	25	23	affecting	affect	VERB
ap-8481	25	24	the	the	DET
ap-8481	25	25	results	result	NOUN
ap-8481	25	26	.	.	PUNCT
ap-8481	26	1	in	in	ADP
ap-8481	26	2	order	order	NOUN
ap-8481	26	3	to	to	PART
ap-8481	26	4	estimate	estimate	VERB
ap-8481	26	5	the	the	DET
ap-8481	26	6	si	si	NOUN
ap-8481	26	7	and	and	CCONJ
ap-8481	26	8	communication	communication	NOUN
ap-8481	26	9	channel	channel	NOUN
ap-8481	26	10	,	,	PUNCT
ap-8481	26	11	it	it	PRON
ap-8481	26	12	is	be	AUX
ap-8481	26	13	common	common	ADJ
ap-8481	26	14	practice	practice	NOUN
ap-8481	26	15	to	to	PART
ap-8481	26	16	employ	employ	VERB
ap-8481	26	17	a	a	DET
ap-8481	26	18	known	know	VERB
ap-8481	26	19	pilot	pilot	NOUN
ap-8481	26	20	sequence	sequence	NOUN
ap-8481	26	21	;	;	PUNCT
ap-8481	26	22	alternatively	alternatively	ADV
ap-8481	26	23	,	,	PUNCT
ap-8481	26	24	it	it	PRON
ap-8481	26	25	is	be	AUX
ap-8481	26	26	recommended	recommend	VERB
ap-8481	26	27	to	to	PART
ap-8481	26	28	use	use	VERB
ap-8481	26	29	an	an	DET
ap-8481	26	30	orthogonal	orthogonal	ADJ
ap-8481	26	31	sequence	sequence	NOUN
ap-8481	26	32	as	as	ADP
ap-8481	26	33	a	a	DET
ap-8481	26	34	pilot	pilot	NOUN
ap-8481	26	35	sequence	sequence	NOUN
ap-8481	26	36	.	.	PUNCT
ap-8481	27	1	in	in	ADP
ap-8481	27	2	this	this	DET
ap-8481	27	3	work	work	NOUN
ap-8481	27	4	,	,	PUNCT
ap-8481	27	5	we	we	PRON
ap-8481	27	6	assume	assume	VERB
ap-8481	27	7	that	that	SCONJ
ap-8481	27	8	the	the	DET
ap-8481	27	9	corresponding	correspond	VERB
ap-8481	27	10	positions	position	NOUN
ap-8481	27	11	of	of	ADP
ap-8481	27	12	both	both	CCONJ
ap-8481	27	13	the	the	DET
ap-8481	27	14	transmitter	transmitter	NOUN
ap-8481	27	15	and	and	CCONJ
ap-8481	27	16	the	the	DET
ap-8481	27	17	receiver	receiver	NOUN
ap-8481	27	18	are	be	AUX
ap-8481	27	19	fixed	fix	VERB
ap-8481	27	20	.	.	PUNCT
ap-8481	28	1	according	accord	VERB
ap-8481	28	2	to	to	ADP
ap-8481	28	3	a	a	DET
ap-8481	28	4	research	research	NOUN
ap-8481	28	5	on	on	ADP
ap-8481	28	6	si	si	PROPN
ap-8481	28	7	channel	channel	NOUN
ap-8481	28	8	characteristics	characteristic	NOUN
ap-8481	28	9	,	,	PUNCT
ap-8481	28	10	it	it	PRON
ap-8481	28	11	is	be	AUX
ap-8481	28	12	safe	safe	ADJ
ap-8481	28	13	to	to	PART
ap-8481	28	14	deduce	deduce	VERB
ap-8481	28	15	that	that	SCONJ
ap-8481	28	16	the	the	DET
ap-8481	28	17	rapid	rapid	ADJ
ap-8481	28	18	channel	channel	NOUN
ap-8481	28	19	fluctuations	fluctuation	NOUN
ap-8481	28	20	and	and	CCONJ
ap-8481	28	21	the	the	DET
ap-8481	28	22	long	long	ADJ
ap-8481	28	23	si	si	PROPN
ap-8481	28	24	channel	channel	NOUN
ap-8481	28	25	reflections	reflection	NOUN
ap-8481	28	26	are	be	AUX
ap-8481	28	27	the	the	DET
ap-8481	28	28	most	most	ADV
ap-8481	28	29	crucial	crucial	ADJ
ap-8481	28	30	factors	factor	NOUN
ap-8481	28	31	to	to	PART
ap-8481	28	32	take	take	VERB
ap-8481	28	33	into	into	ADP
ap-8481	28	34	account	account	NOUN
ap-8481	28	35	when	when	SCONJ
ap-8481	28	36	developing	develop	VERB
ap-8481	28	37	a	a	DET
ap-8481	28	38	digital	digital	ADJ
ap-8481	28	39	si	si	NOUN
ap-8481	28	40	canceller	canceller	NOUN
ap-8481	28	41	.	.	PUNCT
ap-8481	29	1	23	23	NUM
ap-8481	30	1	https://doi.org/10.14311/ap.2023.63.0023	https://doi.org/10.14311/ap.2023.63.0023	NOUN
ap-8481	30	2	https://creativecommons.org/licenses/by/4.0/	https://creativecommons.org/licenses/by/4.0/	PROPN
ap-8481	30	3	https://www.cvut.cz/en	https://www.cvut.cz/en	PROPN
ap-8481	30	4	hala	hala	PROPN
ap-8481	30	5	a.	a.	PROPN
ap-8481	30	6	naman	naman	PROPN
ap-8481	30	7	,	,	PUNCT
ap-8481	30	8	ammar	ammar	PROPN
ap-8481	30	9	e.	e.	PROPN
ap-8481	30	10	abdelkareem	abdelkareem	PROPN
ap-8481	30	11	acta	acta	PROPN
ap-8481	30	12	polytechnica	polytechnica	PROPN
ap-8481	30	13	2	2	NUM
ap-8481	30	14	.	.	PUNCT
ap-8481	30	15	related	relate	VERB
ap-8481	30	16	works	work	NOUN
ap-8481	30	17	in	in	ADP
ap-8481	30	18	this	this	DET
ap-8481	30	19	section	section	NOUN
ap-8481	30	20	,	,	PUNCT
ap-8481	30	21	we	we	PRON
ap-8481	30	22	cover	cover	VERB
ap-8481	30	23	the	the	DET
ap-8481	30	24	literature	literature	NOUN
ap-8481	30	25	on	on	ADP
ap-8481	30	26	communication	communication	NOUN
ap-8481	30	27	channel	channel	NOUN
ap-8481	30	28	models	model	NOUN
ap-8481	30	29	for	for	ADP
ap-8481	30	30	multipath	multipath	NOUN
ap-8481	30	31	propagation	propagation	NOUN
ap-8481	30	32	and	and	CCONJ
ap-8481	30	33	self	self	NOUN
ap-8481	30	34	-	-	PUNCT
ap-8481	30	35	interference	interference	NOUN
ap-8481	30	36	cancellation	cancellation	NOUN
ap-8481	30	37	methods	method	NOUN
ap-8481	30	38	in	in	ADP
ap-8481	30	39	full	full	ADJ
ap-8481	30	40	-	-	PUNCT
ap-8481	30	41	duplex	duplex	NOUN
ap-8481	30	42	transmissions	transmission	NOUN
ap-8481	30	43	.	.	PUNCT
ap-8481	31	1	the	the	DET
ap-8481	31	2	suggested	suggest	VERB
ap-8481	31	3	approach	approach	NOUN
ap-8481	31	4	advances	advance	VERB
ap-8481	31	5	a	a	DET
ap-8481	31	6	previous	previous	ADJ
ap-8481	31	7	research	research	NOUN
ap-8481	31	8	by	by	ADP
ap-8481	31	9	maximising	maximise	VERB
ap-8481	31	10	the	the	DET
ap-8481	31	11	precision	precision	NOUN
ap-8481	31	12	of	of	ADP
ap-8481	31	13	channel	channel	NOUN
ap-8481	31	14	estimates	estimate	NOUN
ap-8481	31	15	while	while	SCONJ
ap-8481	31	16	reducing	reduce	VERB
ap-8481	31	17	unnecessary	unnecessary	ADJ
ap-8481	31	18	overhead	overhead	NOUN
ap-8481	31	19	.	.	PUNCT
ap-8481	32	1	in	in	ADP
ap-8481	32	2	[	[	X
ap-8481	32	3	10	10	NUM
ap-8481	32	4	]	]	PUNCT
ap-8481	32	5	,	,	PUNCT
ap-8481	32	6	the	the	DET
ap-8481	32	7	researchers	researcher	NOUN
ap-8481	32	8	suggested	suggest	VERB
ap-8481	32	9	a	a	DET
ap-8481	32	10	model	model	NOUN
ap-8481	32	11	based	base	VERB
ap-8481	32	12	on	on	ADP
ap-8481	32	13	a	a	DET
ap-8481	32	14	binomial	binomial	ADJ
ap-8481	32	15	expression	expression	NOUN
ap-8481	32	16	to	to	PART
ap-8481	32	17	describe	describe	VERB
ap-8481	32	18	the	the	DET
ap-8481	32	19	propagation	propagation	NOUN
ap-8481	32	20	delay	delay	NOUN
ap-8481	32	21	of	of	ADP
ap-8481	32	22	channel	channel	NOUN
ap-8481	32	23	geometry	geometry	NOUN
ap-8481	32	24	for	for	ADP
ap-8481	32	25	four	four	NUM
ap-8481	32	26	types	type	NOUN
ap-8481	32	27	of	of	ADP
ap-8481	32	28	multipath	multipath	NOUN
ap-8481	32	29	reflection	reflection	NOUN
ap-8481	32	30	based	base	VERB
ap-8481	32	31	on	on	ADP
ap-8481	32	32	the	the	DET
ap-8481	32	33	height	height	NOUN
ap-8481	32	34	difference	difference	NOUN
ap-8481	32	35	between	between	ADP
ap-8481	32	36	the	the	DET
ap-8481	32	37	transmitter	transmitter	NOUN
ap-8481	32	38	and	and	CCONJ
ap-8481	32	39	the	the	DET
ap-8481	32	40	receiver	receiver	NOUN
ap-8481	32	41	and	and	CCONJ
ap-8481	32	42	the	the	DET
ap-8481	32	43	distance	distance	NOUN
ap-8481	32	44	between	between	ADP
ap-8481	32	45	them	they	PRON
ap-8481	32	46	.	.	PUNCT
ap-8481	33	1	they	they	PRON
ap-8481	33	2	demonstrated	demonstrate	VERB
ap-8481	33	3	that	that	SCONJ
ap-8481	33	4	the	the	DET
ap-8481	33	5	attenuation	attenuation	NOUN
ap-8481	33	6	coefficient	coefficient	NOUN
ap-8481	33	7	would	would	AUX
ap-8481	33	8	impact	impact	VERB
ap-8481	33	9	the	the	DET
ap-8481	33	10	system	system	NOUN
ap-8481	33	11	’s	’s	PART
ap-8481	33	12	efficiency	efficiency	NOUN
ap-8481	33	13	when	when	SCONJ
ap-8481	33	14	there	there	PRON
ap-8481	33	15	is	be	VERB
ap-8481	33	16	a	a	DET
ap-8481	33	17	significant	significant	ADJ
ap-8481	33	18	height	height	NOUN
ap-8481	33	19	difference	difference	NOUN
ap-8481	33	20	between	between	ADP
ap-8481	33	21	the	the	DET
ap-8481	33	22	transmitter	transmitter	NOUN
ap-8481	33	23	and	and	CCONJ
ap-8481	33	24	receiver	receiver	NOUN
ap-8481	33	25	.	.	PUNCT
ap-8481	34	1	in	in	ADP
ap-8481	34	2	[	[	X
ap-8481	34	3	11	11	NUM
ap-8481	34	4	]	]	PUNCT
ap-8481	34	5	,	,	PUNCT
ap-8481	34	6	a	a	DET
ap-8481	34	7	geometrical	geometrical	ADJ
ap-8481	34	8	channel	channel	NOUN
ap-8481	34	9	model	model	NOUN
ap-8481	34	10	for	for	ADP
ap-8481	34	11	the	the	DET
ap-8481	34	12	propagation	propagation	NOUN
ap-8481	34	13	delay	delay	NOUN
ap-8481	34	14	of	of	ADP
ap-8481	34	15	multipath	multipath	NOUN
ap-8481	34	16	scattering	scattering	NOUN
ap-8481	34	17	based	base	VERB
ap-8481	34	18	on	on	ADP
ap-8481	34	19	the	the	DET
ap-8481	34	20	angles	angle	NOUN
ap-8481	34	21	of	of	ADP
ap-8481	34	22	departure	departure	NOUN
ap-8481	34	23	and	and	CCONJ
ap-8481	34	24	arrival	arrival	NOUN
ap-8481	34	25	in	in	ADP
ap-8481	34	26	uwa	uwa	PROPN
ap-8481	34	27	communication	communication	NOUN
ap-8481	34	28	was	be	AUX
ap-8481	34	29	introduced	introduce	VERB
ap-8481	34	30	.	.	PUNCT
ap-8481	35	1	the	the	DET
ap-8481	35	2	researchers	researcher	NOUN
ap-8481	35	3	pretend	pretend	VERB
ap-8481	35	4	that	that	SCONJ
ap-8481	35	5	the	the	DET
ap-8481	35	6	multipath	multipath	NOUN
ap-8481	35	7	scatterers	scatterer	NOUN
ap-8481	35	8	are	be	AUX
ap-8481	35	9	spread	spread	VERB
ap-8481	35	10	out	out	ADP
ap-8481	35	11	on	on	ADP
ap-8481	35	12	the	the	DET
ap-8481	35	13	ocean	ocean	NOUN
ap-8481	35	14	surface	surface	NOUN
ap-8481	35	15	and	and	CCONJ
ap-8481	35	16	floor	floor	NOUN
ap-8481	35	17	.	.	PUNCT
ap-8481	36	1	in	in	ADP
ap-8481	36	2	[	[	X
ap-8481	36	3	12	12	NUM
ap-8481	36	4	]	]	X
ap-8481	36	5	,	,	PUNCT
ap-8481	36	6	a	a	DET
ap-8481	36	7	non	non	ADJ
ap-8481	36	8	-	-	ADJ
ap-8481	36	9	stationary	stationary	ADJ
ap-8481	36	10	wideband	wideband	NOUN
ap-8481	36	11	channel	channel	NOUN
ap-8481	36	12	model	model	NOUN
ap-8481	36	13	in	in	ADP
ap-8481	36	14	shallow	shallow	ADJ
ap-8481	36	15	water	water	NOUN
ap-8481	36	16	environments	environment	NOUN
ap-8481	36	17	is	be	AUX
ap-8481	36	18	proposed	propose	VERB
ap-8481	36	19	based	base	VERB
ap-8481	36	20	on	on	ADP
ap-8481	36	21	the	the	DET
ap-8481	36	22	angles	angle	NOUN
ap-8481	36	23	of	of	ADP
ap-8481	36	24	departure	departure	NOUN
ap-8481	36	25	and	and	CCONJ
ap-8481	36	26	angle	angle	NOUN
ap-8481	36	27	of	of	ADP
ap-8481	36	28	arrival	arrival	NOUN
ap-8481	36	29	.	.	PUNCT
ap-8481	37	1	the	the	DET
ap-8481	37	2	researchers	researcher	NOUN
ap-8481	37	3	demonstrated	demonstrate	VERB
ap-8481	37	4	that	that	SCONJ
ap-8481	37	5	the	the	DET
ap-8481	37	6	suggested	suggest	VERB
ap-8481	37	7	model	model	NOUN
ap-8481	37	8	was	be	AUX
ap-8481	37	9	realistic	realistic	ADJ
ap-8481	37	10	and	and	CCONJ
ap-8481	37	11	effective	effective	ADJ
ap-8481	37	12	in	in	ADP
ap-8481	37	13	enabling	enable	VERB
ap-8481	37	14	extended	extended	ADJ
ap-8481	37	15	time	time	NOUN
ap-8481	37	16	/	/	SYM
ap-8481	37	17	distance	distance	NOUN
ap-8481	37	18	simulations	simulation	NOUN
ap-8481	37	19	because	because	SCONJ
ap-8481	37	20	it	it	PRON
ap-8481	37	21	takes	take	VERB
ap-8481	37	22	into	into	ADP
ap-8481	37	23	account	account	NOUN
ap-8481	37	24	numerous	numerous	ADJ
ap-8481	37	25	motion	motion	NOUN
ap-8481	37	26	effects	effect	NOUN
ap-8481	37	27	,	,	PUNCT
ap-8481	37	28	such	such	ADJ
ap-8481	37	29	as	as	ADP
ap-8481	37	30	time	time	NOUN
ap-8481	37	31	-	-	PUNCT
ap-8481	37	32	varying	vary	VERB
ap-8481	37	33	angles	angle	NOUN
ap-8481	37	34	,	,	PUNCT
ap-8481	37	35	distances	distance	NOUN
ap-8481	37	36	,	,	PUNCT
ap-8481	37	37	and	and	CCONJ
ap-8481	37	38	clusters	cluster	NOUN
ap-8481	37	39	’	'	PUNCT
ap-8481	37	40	positions	position	NOUN
ap-8481	37	41	with	with	ADP
ap-8481	37	42	the	the	DET
ap-8481	37	43	channel	channel	NOUN
ap-8481	37	44	geometry	geometry	NOUN
ap-8481	37	45	caused	cause	VERB
ap-8481	37	46	by	by	ADP
ap-8481	37	47	various	various	ADJ
ap-8481	37	48	motion	motion	NOUN
ap-8481	37	49	factors	factor	NOUN
ap-8481	37	50	that	that	PRON
ap-8481	37	51	impact	impact	VERB
ap-8481	37	52	uwa	uwa	NOUN
ap-8481	37	53	channels	channel	NOUN
ap-8481	37	54	.	.	PUNCT
ap-8481	38	1	in	in	ADP
ap-8481	38	2	[	[	X
ap-8481	38	3	13	13	NUM
ap-8481	38	4	]	]	PUNCT
ap-8481	38	5	,	,	PUNCT
ap-8481	38	6	researchers	researcher	NOUN
ap-8481	38	7	offered	offer	VERB
ap-8481	38	8	a	a	DET
ap-8481	38	9	geometry	geometry	NOUN
ap-8481	38	10	model	model	NOUN
ap-8481	38	11	describing	describe	VERB
ap-8481	38	12	the	the	DET
ap-8481	38	13	propagation	propagation	NOUN
ap-8481	38	14	range	range	NOUN
ap-8481	38	15	and	and	CCONJ
ap-8481	38	16	delay	delay	VERB
ap-8481	38	17	for	for	ADP
ap-8481	38	18	direct	direct	ADJ
ap-8481	38	19	and	and	CCONJ
ap-8481	38	20	multipath	multipath	NOUN
ap-8481	38	21	reflected	reflect	VERB
ap-8481	38	22	from	from	ADP
ap-8481	38	23	surface	surface	NOUN
ap-8481	38	24	and	and	CCONJ
ap-8481	38	25	bottom	bottom	NOUN
ap-8481	38	26	in	in	ADP
ap-8481	38	27	a	a	DET
ap-8481	38	28	tank	tank	NOUN
ap-8481	38	29	environment	environment	NOUN
ap-8481	38	30	with	with	ADP
ap-8481	38	31	taking	take	VERB
ap-8481	38	32	into	into	ADP
ap-8481	38	33	account	account	NOUN
ap-8481	38	34	chemical	chemical	NOUN
ap-8481	38	35	constituents	constituent	NOUN
ap-8481	38	36	of	of	ADP
ap-8481	38	37	water	water	NOUN
ap-8481	38	38	and	and	CCONJ
ap-8481	38	39	sodium	sodium	NOUN
ap-8481	38	40	chloride	chloride	NOUN
ap-8481	38	41	with	with	ADP
ap-8481	38	42	other	other	ADJ
ap-8481	38	43	factors	factor	NOUN
ap-8481	38	44	of	of	ADP
ap-8481	38	45	attenuation	attenuation	NOUN
ap-8481	38	46	.	.	PUNCT
ap-8481	39	1	they	they	PRON
ap-8481	39	2	demonstrated	demonstrate	VERB
ap-8481	39	3	that	that	SCONJ
ap-8481	39	4	the	the	DET
ap-8481	39	5	transmission	transmission	NOUN
ap-8481	39	6	in	in	ADP
ap-8481	39	7	the	the	DET
ap-8481	39	8	tank	tank	NOUN
ap-8481	39	9	is	be	AUX
ap-8481	39	10	substantially	substantially	ADV
ap-8481	39	11	strong	strong	ADJ
ap-8481	39	12	due	due	ADP
ap-8481	39	13	to	to	ADP
ap-8481	39	14	the	the	DET
ap-8481	39	15	enclosed	enclose	VERB
ap-8481	39	16	space	space	NOUN
ap-8481	39	17	and	and	CCONJ
ap-8481	39	18	the	the	DET
ap-8481	39	19	reflections	reflection	NOUN
ap-8481	39	20	from	from	ADP
ap-8481	39	21	the	the	DET
ap-8481	39	22	tank	tank	NOUN
ap-8481	39	23	wall	wall	NOUN
ap-8481	39	24	and	and	CCONJ
ap-8481	39	25	the	the	DET
ap-8481	39	26	surface	surface	NOUN
ap-8481	39	27	and	and	CCONJ
ap-8481	39	28	floor	floor	NOUN
ap-8481	39	29	.	.	PUNCT
ap-8481	40	1	based	base	VERB
ap-8481	40	2	on	on	ADP
ap-8481	40	3	the	the	DET
ap-8481	40	4	previous	previous	ADJ
ap-8481	40	5	literature	literature	NOUN
ap-8481	40	6	,	,	PUNCT
ap-8481	40	7	the	the	DET
ap-8481	40	8	previous	previous	ADJ
ap-8481	40	9	models	model	NOUN
ap-8481	40	10	suffered	suffer	VERB
ap-8481	40	11	from	from	ADP
ap-8481	40	12	the	the	DET
ap-8481	40	13	complexity	complexity	NOUN
ap-8481	40	14	in	in	ADP
ap-8481	40	15	geometry	geometry	NOUN
ap-8481	40	16	models	model	NOUN
ap-8481	40	17	and	and	CCONJ
ap-8481	40	18	the	the	DET
ap-8481	40	19	direction	direction	NOUN
ap-8481	40	20	of	of	ADP
ap-8481	40	21	communication	communication	NOUN
ap-8481	40	22	between	between	ADP
ap-8481	40	23	the	the	DET
ap-8481	40	24	transmitter	transmitter	NOUN
ap-8481	40	25	and	and	CCONJ
ap-8481	40	26	the	the	DET
ap-8481	40	27	recipient	recipient	NOUN
ap-8481	40	28	is	be	AUX
ap-8481	40	29	required	require	VERB
ap-8481	40	30	to	to	PART
ap-8481	40	31	be	be	AUX
ap-8481	40	32	in	in	ADP
ap-8481	40	33	the	the	DET
ap-8481	40	34	horizontal	horizontal	ADJ
ap-8481	40	35	direction	direction	NOUN
ap-8481	40	36	only	only	ADV
ap-8481	40	37	.	.	PUNCT
ap-8481	41	1	in	in	ADP
ap-8481	41	2	[	[	X
ap-8481	41	3	14	14	NUM
ap-8481	41	4	]	]	PUNCT
ap-8481	41	5	,	,	PUNCT
ap-8481	41	6	researchers	researcher	NOUN
ap-8481	41	7	presented	present	VERB
ap-8481	41	8	a	a	DET
ap-8481	41	9	digital	digital	ADJ
ap-8481	41	10	sic	sic	NOUN
ap-8481	41	11	based	base	VERB
ap-8481	41	12	on	on	ADP
ap-8481	41	13	non	non	ADJ
ap-8481	41	14	-	-	ADJ
ap-8481	41	15	parametric	parametric	ADJ
ap-8481	41	16	-	-	PUNCT
ap-8481	41	17	maximum	maximum	ADJ
ap-8481	41	18	-	-	PUNCT
ap-8481	41	19	likelihood	likelihood	NOUN
ap-8481	41	20	(	(	PUNCT
ap-8481	41	21	npml	npml	NOUN
ap-8481	41	22	)	)	PUNCT
ap-8481	41	23	with	with	ADP
ap-8481	41	24	a	a	DET
ap-8481	41	25	sparse	sparse	ADJ
ap-8481	41	26	constraints	constraint	NOUN
ap-8481	41	27	approach	approach	VERB
ap-8481	41	28	to	to	PART
ap-8481	41	29	estimate	estimate	VERB
ap-8481	41	30	the	the	DET
ap-8481	41	31	si	si	PROPN
ap-8481	41	32	channel	channel	NOUN
ap-8481	41	33	considering	consider	VERB
ap-8481	41	34	ofdm	ofdm	PROPN
ap-8481	41	35	intended	intend	VERB
ap-8481	41	36	signal	signal	NOUN
ap-8481	41	37	after	after	SCONJ
ap-8481	41	38	peak	peak	NOUN
ap-8481	41	39	-	-	PUNCT
ap-8481	41	40	to	to	ADP
ap-8481	41	41	-	-	PUNCT
ap-8481	41	42	average	average	ADJ
ap-8481	41	43	power	power	NOUN
ap-8481	41	44	ratio	ratio	NOUN
ap-8481	41	45	(	(	PUNCT
ap-8481	41	46	papr	papr	PROPN
ap-8481	41	47	)	)	PUNCT
ap-8481	41	48	treated	treat	VERB
ap-8481	41	49	as	as	ADP
ap-8481	41	50	non	non	ADJ
ap-8481	41	51	-	-	ADJ
ap-8481	41	52	gaussian	gaussian	ADJ
ap-8481	41	53	noise	noise	NOUN
ap-8481	41	54	.	.	PUNCT
ap-8481	42	1	the	the	DET
ap-8481	42	2	suggested	suggest	VERB
ap-8481	42	3	method	method	NOUN
ap-8481	42	4	outperformed	outperform	VERB
ap-8481	42	5	both	both	DET
ap-8481	42	6	standard	standard	ADJ
ap-8481	42	7	npml	npml	NOUN
ap-8481	42	8	and	and	CCONJ
ap-8481	42	9	ls	ls	ADJ
ap-8481	42	10	in	in	ADP
ap-8481	42	11	simulations	simulation	NOUN
ap-8481	42	12	and	and	CCONJ
ap-8481	42	13	experiments	experiment	NOUN
ap-8481	42	14	,	,	PUNCT
ap-8481	42	15	with	with	ADP
ap-8481	42	16	a	a	DET
ap-8481	42	17	quicker	quick	ADJ
ap-8481	42	18	convergence	convergence	NOUN
ap-8481	42	19	rate	rate	NOUN
ap-8481	42	20	,	,	PUNCT
ap-8481	42	21	more	more	ADV
ap-8481	42	22	accurate	accurate	ADJ
ap-8481	42	23	si	si	PROPN
ap-8481	42	24	channel	channel	NOUN
ap-8481	42	25	estimate	estimate	NOUN
ap-8481	42	26	,	,	PUNCT
ap-8481	42	27	and	and	CCONJ
ap-8481	42	28	superior	superior	ADJ
ap-8481	42	29	si	si	NOUN
ap-8481	42	30	cancelation	cancelation	NOUN
ap-8481	42	31	performance	performance	NOUN
ap-8481	42	32	.	.	PUNCT
ap-8481	43	1	in	in	ADP
ap-8481	43	2	[	[	X
ap-8481	43	3	15	15	NUM
ap-8481	43	4	]	]	PUNCT
ap-8481	43	5	,	,	PUNCT
ap-8481	43	6	researchers	researcher	NOUN
ap-8481	43	7	suggested	suggest	VERB
ap-8481	43	8	a	a	DET
ap-8481	43	9	digital	digital	ADJ
ap-8481	43	10	rf	rf	PRON
ap-8481	43	11	sic	sic	ADJ
ap-8481	43	12	system	system	NOUN
ap-8481	43	13	model	model	NOUN
ap-8481	43	14	of	of	ADP
ap-8481	43	15	a	a	DET
ap-8481	43	16	transmitter	transmitter	NOUN
ap-8481	43	17	and	and	CCONJ
ap-8481	43	18	two	two	NUM
ap-8481	43	19	receivers	receiver	NOUN
ap-8481	43	20	within	within	ADP
ap-8481	43	21	the	the	DET
ap-8481	43	22	same	same	ADJ
ap-8481	43	23	equipment	equipment	NOUN
ap-8481	43	24	,	,	PUNCT
ap-8481	43	25	used	use	VERB
ap-8481	43	26	to	to	PART
ap-8481	43	27	collect	collect	VERB
ap-8481	43	28	a	a	DET
ap-8481	43	29	copy	copy	NOUN
ap-8481	43	30	of	of	ADP
ap-8481	43	31	the	the	DET
ap-8481	43	32	transmitted	transmit	VERB
ap-8481	43	33	signal	signal	NOUN
ap-8481	43	34	,	,	PUNCT
ap-8481	43	35	which	which	PRON
ap-8481	43	36	is	be	AUX
ap-8481	43	37	then	then	ADV
ap-8481	43	38	subtracted	subtract	VERB
ap-8481	43	39	from	from	ADP
ap-8481	43	40	the	the	DET
ap-8481	43	41	signal	signal	NOUN
ap-8481	43	42	at	at	ADP
ap-8481	43	43	the	the	DET
ap-8481	43	44	primary	primary	ADJ
ap-8481	43	45	receiver	receiver	NOUN
ap-8481	43	46	.	.	PUNCT
ap-8481	44	1	a	a	DET
ap-8481	44	2	kalman	kalman	NOUN
ap-8481	44	3	filter	filter	NOUN
ap-8481	44	4	is	be	AUX
ap-8481	44	5	derived	derive	VERB
ap-8481	44	6	to	to	PART
ap-8481	44	7	estimate	estimate	VERB
ap-8481	44	8	the	the	DET
ap-8481	44	9	correlated	correlate	VERB
ap-8481	44	10	main	main	ADJ
ap-8481	44	11	channel	channel	NOUN
ap-8481	44	12	and	and	CCONJ
ap-8481	44	13	the	the	DET
ap-8481	44	14	auxiliary	auxiliary	ADJ
ap-8481	44	15	channel	channel	NOUN
ap-8481	44	16	of	of	ADP
ap-8481	44	17	both	both	DET
ap-8481	44	18	receivers	receiver	NOUN
ap-8481	44	19	in	in	ADP
ap-8481	44	20	the	the	DET
ap-8481	44	21	presence	presence	NOUN
ap-8481	44	22	of	of	ADP
ap-8481	44	23	two	two	NUM
ap-8481	44	24	forms	form	NOUN
ap-8481	44	25	of	of	ADP
ap-8481	44	26	noise	noise	NOUN
ap-8481	44	27	.	.	PUNCT
ap-8481	45	1	in	in	ADP
ap-8481	45	2	[	[	X
ap-8481	45	3	16	16	NUM
ap-8481	45	4	]	]	PUNCT
ap-8481	45	5	,	,	PUNCT
ap-8481	45	6	researchers	researcher	NOUN
ap-8481	45	7	offered	offer	VERB
ap-8481	45	8	an	an	DET
ap-8481	45	9	sic	sic	ADJ
ap-8481	45	10	system	system	NOUN
ap-8481	45	11	model	model	NOUN
ap-8481	45	12	in	in	ADP
ap-8481	45	13	co	co	NOUN
ap-8481	45	14	-	-	NOUN
ap-8481	45	15	time	time	ADJ
ap-8481	45	16	co	co	NOUN
ap-8481	45	17	-	-	NOUN
ap-8481	45	18	frequency	frequency	ADJ
ap-8481	45	19	fd	fd	NOUN
ap-8481	45	20	(	(	PUNCT
ap-8481	45	21	ccfd	ccfd	NOUN
ap-8481	45	22	)	)	PUNCT
ap-8481	45	23	uwa	uwa	NOUN
ap-8481	45	24	communication	communication	NOUN
ap-8481	45	25	.	.	PUNCT
ap-8481	46	1	to	to	PART
ap-8481	46	2	improve	improve	VERB
ap-8481	46	3	the	the	DET
ap-8481	46	4	performance	performance	NOUN
ap-8481	46	5	of	of	ADP
ap-8481	46	6	digital	digital	ADJ
ap-8481	46	7	sic	sic	NOUN
ap-8481	46	8	by	by	ADP
ap-8481	46	9	using	use	VERB
ap-8481	46	10	the	the	DET
ap-8481	46	11	reconstructed	reconstructed	ADJ
ap-8481	46	12	si	si	NOUN
ap-8481	46	13	signal	signal	NOUN
ap-8481	46	14	from	from	ADP
ap-8481	46	15	the	the	DET
ap-8481	46	16	si	si	PROPN
ap-8481	46	17	channel	channel	NOUN
ap-8481	46	18	obtained	obtain	VERB
ap-8481	46	19	using	use	VERB
ap-8481	46	20	an	an	DET
ap-8481	46	21	adaptive	adaptive	ADJ
ap-8481	46	22	filter	filter	NOUN
ap-8481	46	23	,	,	PUNCT
ap-8481	46	24	they	they	PRON
ap-8481	46	25	suggested	suggest	VERB
ap-8481	46	26	using	use	VERB
ap-8481	46	27	the	the	DET
ap-8481	46	28	si	si	PROPN
ap-8481	46	29	signal	signal	NOUN
ap-8481	46	30	combined	combine	VERB
ap-8481	46	31	with	with	ADP
ap-8481	46	32	the	the	DET
ap-8481	46	33	intended	intend	VERB
ap-8481	46	34	signal	signal	NOUN
ap-8481	46	35	in	in	ADP
ap-8481	46	36	the	the	DET
ap-8481	46	37	estimation	estimation	NOUN
ap-8481	46	38	of	of	ADP
ap-8481	46	39	the	the	DET
ap-8481	46	40	si	si	PROPN
ap-8481	46	41	channel	channel	NOUN
ap-8481	46	42	.	.	PUNCT
ap-8481	47	1	in	in	ADP
ap-8481	47	2	[	[	X
ap-8481	47	3	17	17	NUM
ap-8481	47	4	]	]	X
ap-8481	47	5	,	,	PUNCT
ap-8481	47	6	an	an	DET
ap-8481	47	7	sic	sic	ADJ
ap-8481	47	8	model	model	NOUN
ap-8481	47	9	to	to	PART
ap-8481	47	10	estimate	estimate	VERB
ap-8481	47	11	the	the	DET
ap-8481	47	12	si	si	NOUN
ap-8481	47	13	and	and	CCONJ
ap-8481	47	14	communication	communication	NOUN
ap-8481	47	15	channels	channel	NOUN
ap-8481	47	16	concurrently	concurrently	ADV
ap-8481	47	17	across	across	ADP
ap-8481	47	18	a	a	DET
ap-8481	47	19	fd	fd	PROPN
ap-8481	47	20	connection	connection	NOUN
ap-8481	47	21	utilising	utilise	VERB
ap-8481	47	22	orthogonal	orthogonal	ADJ
ap-8481	47	23	pilot	pilot	NOUN
ap-8481	47	24	sequences	sequence	NOUN
ap-8481	47	25	was	be	AUX
ap-8481	47	26	proposed	propose	VERB
ap-8481	47	27	.	.	PUNCT
ap-8481	48	1	the	the	DET
ap-8481	48	2	hd	hd	PROPN
ap-8481	48	3	and	and	CCONJ
ap-8481	48	4	fd	fd	PROPN
ap-8481	48	5	of	of	ADP
ap-8481	48	6	both	both	DET
ap-8481	48	7	channel	channel	NOUN
ap-8481	48	8	estimators	estimator	NOUN
ap-8481	48	9	using	use	VERB
ap-8481	48	10	the	the	DET
ap-8481	48	11	cramer	cramer	NOUN
ap-8481	48	12	-	-	PUNCT
ap-8481	48	13	rao	rao	NOUN
ap-8481	48	14	lower	lower	ADV
ap-8481	48	15	bound	bind	VERB
ap-8481	48	16	were	be	AUX
ap-8481	48	17	compared	compare	VERB
ap-8481	48	18	.	.	PUNCT
ap-8481	49	1	the	the	DET
ap-8481	49	2	estimators	estimator	NOUN
ap-8481	49	3	’	'	PUNCT
ap-8481	49	4	effectiveness	effectiveness	NOUN
ap-8481	49	5	depends	depend	VERB
ap-8481	49	6	on	on	ADP
ap-8481	49	7	the	the	DET
ap-8481	49	8	sequence	sequence	NOUN
ap-8481	49	9	length	length	NOUN
ap-8481	49	10	and	and	CCONJ
ap-8481	49	11	number	number	NOUN
ap-8481	49	12	of	of	ADP
ap-8481	49	13	channel	channel	NOUN
ap-8481	49	14	taps	tap	NOUN
ap-8481	49	15	.	.	PUNCT
ap-8481	50	1	maintaining	maintain	VERB
ap-8481	50	2	sequence	sequence	NOUN
ap-8481	50	3	orthogonality	orthogonality	NOUN
ap-8481	50	4	and	and	CCONJ
ap-8481	50	5	synchronisation	synchronisation	NOUN
ap-8481	50	6	through	through	ADP
ap-8481	50	7	correlation	correlation	NOUN
ap-8481	50	8	characteristics	characteristic	NOUN
ap-8481	50	9	is	be	AUX
ap-8481	50	10	crucial	crucial	ADJ
ap-8481	50	11	to	to	ADP
ap-8481	50	12	the	the	DET
ap-8481	50	13	efficacy	efficacy	NOUN
ap-8481	50	14	of	of	ADP
ap-8481	50	15	channel	channel	NOUN
ap-8481	50	16	estimators	estimator	NOUN
ap-8481	50	17	.	.	PUNCT
ap-8481	51	1	both	both	DET
ap-8481	51	2	channel	channel	NOUN
ap-8481	51	3	estimators	estimator	NOUN
ap-8481	51	4	are	be	AUX
ap-8481	51	5	impacted	impact	VERB
ap-8481	51	6	by	by	ADP
ap-8481	51	7	the	the	DET
ap-8481	51	8	cross	cross	ADJ
ap-8481	51	9	-	-	ADJ
ap-8481	51	10	correlation	correlation	ADJ
ap-8481	51	11	deviation	deviation	NOUN
ap-8481	51	12	,	,	PUNCT
ap-8481	51	13	whose	whose	DET
ap-8481	51	14	sequences	sequence	NOUN
ap-8481	51	15	that	that	PRON
ap-8481	51	16	are	be	AUX
ap-8481	51	17	not	not	PART
ap-8481	51	18	synchronised	synchronise	VERB
ap-8481	51	19	at	at	ADP
ap-8481	51	20	the	the	DET
ap-8481	51	21	receiver	receiver	NOUN
ap-8481	51	22	will	will	AUX
ap-8481	51	23	determine	determine	VERB
ap-8481	51	24	the	the	DET
ap-8481	51	25	impact	impact	NOUN
ap-8481	51	26	on	on	ADP
ap-8481	51	27	the	the	DET
ap-8481	51	28	performance	performance	NOUN
ap-8481	51	29	.	.	PUNCT
ap-8481	52	1	the	the	DET
ap-8481	52	2	results	result	NOUN
ap-8481	52	3	also	also	ADV
ap-8481	52	4	indicated	indicate	VERB
ap-8481	52	5	a	a	DET
ap-8481	52	6	degradation	degradation	NOUN
ap-8481	52	7	of	of	ADP
ap-8481	52	8	the	the	DET
ap-8481	52	9	estimator	estimator	NOUN
ap-8481	52	10	’s	’s	PART
ap-8481	52	11	performance	performance	NOUN
ap-8481	52	12	with	with	ADP
ap-8481	52	13	increasing	increase	VERB
ap-8481	52	14	channel	channel	NOUN
ap-8481	52	15	length	length	NOUN
ap-8481	52	16	.	.	PUNCT
ap-8481	53	1	additionally	additionally	ADV
ap-8481	53	2	,	,	PUNCT
ap-8481	53	3	most	most	ADJ
ap-8481	53	4	existing	exist	VERB
ap-8481	53	5	works	work	NOUN
ap-8481	53	6	suffer	suffer	VERB
ap-8481	53	7	from	from	ADP
ap-8481	53	8	overhead	overhead	NOUN
ap-8481	53	9	and	and	CCONJ
ap-8481	53	10	complexity	complexity	NOUN
ap-8481	53	11	caused	cause	VERB
ap-8481	53	12	by	by	ADP
ap-8481	53	13	iterations	iteration	NOUN
ap-8481	53	14	of	of	ADP
ap-8481	53	15	an	an	DET
ap-8481	53	16	adaptive	adaptive	ADJ
ap-8481	53	17	filter	filter	NOUN
ap-8481	53	18	;	;	PUNCT
ap-8481	53	19	also	also	ADV
ap-8481	53	20	,	,	PUNCT
ap-8481	53	21	any	any	DET
ap-8481	53	22	small	small	ADJ
ap-8481	53	23	error	error	NOUN
ap-8481	53	24	in	in	ADP
ap-8481	53	25	si	si	X
ap-8481	53	26	residual	residual	ADJ
ap-8481	53	27	will	will	AUX
ap-8481	53	28	affect	affect	VERB
ap-8481	53	29	the	the	DET
ap-8481	53	30	sic	sic	ADJ
ap-8481	53	31	performance	performance	NOUN
ap-8481	53	32	.	.	PUNCT
ap-8481	54	1	below	below	ADV
ap-8481	54	2	is	be	AUX
ap-8481	54	3	a	a	DET
ap-8481	54	4	description	description	NOUN
ap-8481	54	5	of	of	ADP
ap-8481	54	6	the	the	DET
ap-8481	54	7	paper	paper	NOUN
ap-8481	54	8	’s	’s	PART
ap-8481	54	9	contribution	contribution	NOUN
ap-8481	54	10	.	.	PUNCT
ap-8481	55	1	we	we	PRON
ap-8481	55	2	proposed	propose	VERB
ap-8481	55	3	a	a	DET
ap-8481	55	4	system	system	NOUN
ap-8481	55	5	model	model	NOUN
ap-8481	55	6	that	that	PRON
ap-8481	55	7	can	can	AUX
ap-8481	55	8	eliminate	eliminate	VERB
ap-8481	55	9	selfinterference	selfinterference	NOUN
ap-8481	55	10	signal	signal	NOUN
ap-8481	55	11	in	in	ADP
ap-8481	55	12	the	the	DET
ap-8481	55	13	digital	digital	ADJ
ap-8481	55	14	domain	domain	NOUN
ap-8481	55	15	in	in	ADP
ap-8481	55	16	an	an	DET
ap-8481	55	17	fd	fd	ADJ
ap-8481	55	18	configuration	configuration	NOUN
ap-8481	55	19	by	by	ADP
ap-8481	55	20	separating	separate	VERB
ap-8481	55	21	the	the	DET
ap-8481	55	22	self	self	NOUN
ap-8481	55	23	signal	signal	NOUN
ap-8481	55	24	from	from	ADP
ap-8481	55	25	the	the	DET
ap-8481	55	26	far	far	ADJ
ap-8481	55	27	signal	signal	NOUN
ap-8481	55	28	without	without	ADP
ap-8481	55	29	needing	need	VERB
ap-8481	55	30	a	a	DET
ap-8481	55	31	complex	complex	ADJ
ap-8481	55	32	overhead	overhead	ADJ
ap-8481	55	33	adaptive	adaptive	ADJ
ap-8481	55	34	filter	filter	NOUN
ap-8481	55	35	.	.	PUNCT
ap-8481	56	1	the	the	DET
ap-8481	56	2	proposed	propose	VERB
ap-8481	56	3	system	system	NOUN
ap-8481	56	4	for	for	ADP
ap-8481	56	5	cancelling	cancel	VERB
ap-8481	56	6	self	self	NOUN
ap-8481	56	7	-	-	PUNCT
ap-8481	56	8	interference	interference	NOUN
ap-8481	56	9	employs	employ	VERB
ap-8481	56	10	two	two	NUM
ap-8481	56	11	orthogonal	orthogonal	ADJ
ap-8481	56	12	ofdm	ofdm	NOUN
ap-8481	56	13	blocks	block	NOUN
ap-8481	56	14	by	by	ADP
ap-8481	56	15	creating	create	VERB
ap-8481	56	16	an	an	DET
ap-8481	56	17	orthogonality	orthogonality	NOUN
ap-8481	56	18	between	between	ADP
ap-8481	56	19	the	the	DET
ap-8481	56	20	self	self	NOUN
ap-8481	56	21	signal	signal	NOUN
ap-8481	56	22	and	and	CCONJ
ap-8481	56	23	the	the	DET
ap-8481	56	24	far	far	ADJ
ap-8481	56	25	signal	signal	NOUN
ap-8481	56	26	,	,	PUNCT
ap-8481	56	27	resulting	result	VERB
ap-8481	56	28	in	in	ADP
ap-8481	56	29	the	the	DET
ap-8481	56	30	complete	complete	ADJ
ap-8481	56	31	separation	separation	NOUN
ap-8481	56	32	of	of	ADP
ap-8481	56	33	the	the	DET
ap-8481	56	34	two	two	NUM
ap-8481	56	35	signals	signal	NOUN
ap-8481	56	36	,	,	PUNCT
ap-8481	56	37	proved	prove	VERB
ap-8481	56	38	mathematically	mathematically	ADV
ap-8481	56	39	,	,	PUNCT
ap-8481	56	40	and	and	CCONJ
ap-8481	56	41	the	the	DET
ap-8481	56	42	complete	complete	ADJ
ap-8481	56	43	cancelation	cancelation	NOUN
ap-8481	56	44	of	of	ADP
ap-8481	56	45	self	self	NOUN
ap-8481	56	46	-	-	PUNCT
ap-8481	56	47	interference	interference	NOUN
ap-8481	56	48	.	.	PUNCT
ap-8481	57	1	the	the	DET
ap-8481	57	2	proposed	propose	VERB
ap-8481	57	3	model	model	NOUN
ap-8481	57	4	does	do	AUX
ap-8481	57	5	not	not	PART
ap-8481	57	6	depend	depend	VERB
ap-8481	57	7	on	on	ADP
ap-8481	57	8	the	the	DET
ap-8481	57	9	channel	channel	NOUN
ap-8481	57	10	length	length	NOUN
ap-8481	57	11	or	or	CCONJ
ap-8481	57	12	the	the	DET
ap-8481	57	13	tap	tap	NOUN
ap-8481	57	14	number	number	NOUN
ap-8481	57	15	of	of	ADP
ap-8481	57	16	the	the	DET
ap-8481	57	17	channel	channel	NOUN
ap-8481	57	18	impulse	impulse	ADJ
ap-8481	57	19	response	response	NOUN
ap-8481	57	20	and	and	CCONJ
ap-8481	57	21	also	also	ADV
ap-8481	57	22	applied	apply	VERB
ap-8481	57	23	efficiency	efficiency	NOUN
ap-8481	57	24	with	with	ADP
ap-8481	57	25	fixed	fix	VERB
ap-8481	57	26	fd	fd	PROPN
ap-8481	57	27	and	and	CCONJ
ap-8481	57	28	shifted	shift	VERB
ap-8481	57	29	fd	fd	PROPN
ap-8481	57	30	.	.	PUNCT
ap-8481	58	1	additionally	additionally	ADV
ap-8481	58	2	,	,	PUNCT
ap-8481	58	3	we	we	PRON
ap-8481	58	4	proposed	propose	VERB
ap-8481	58	5	a	a	DET
ap-8481	58	6	simple	simple	ADJ
ap-8481	58	7	geometrical	geometrical	ADJ
ap-8481	58	8	model	model	NOUN
ap-8481	58	9	for	for	ADP
ap-8481	58	10	the	the	DET
ap-8481	58	11	far	far	ADJ
ap-8481	58	12	channel	channel	NOUN
ap-8481	58	13	based	base	VERB
ap-8481	58	14	on	on	ADP
ap-8481	58	15	a	a	DET
ap-8481	58	16	triangle	triangle	NOUN
ap-8481	58	17	to	to	PART
ap-8481	58	18	describe	describe	VERB
ap-8481	58	19	the	the	DET
ap-8481	58	20	multipath	multipath	NOUN
ap-8481	58	21	propagation	propagation	NOUN
ap-8481	58	22	of	of	ADP
ap-8481	58	23	shallow	shallow	ADJ
ap-8481	58	24	underwater	underwater	ADJ
ap-8481	58	25	acoustic	acoustic	ADJ
ap-8481	58	26	communication	communication	NOUN
ap-8481	58	27	.	.	PUNCT
ap-8481	59	1	the	the	DET
ap-8481	59	2	suggested	suggest	VERB
ap-8481	59	3	model	model	NOUN
ap-8481	59	4	provides	provide	VERB
ap-8481	59	5	flexibility	flexibility	NOUN
ap-8481	59	6	to	to	ADP
ap-8481	59	7	the	the	DET
ap-8481	59	8	direction	direction	NOUN
ap-8481	59	9	between	between	ADP
ap-8481	59	10	the	the	DET
ap-8481	59	11	transmitter	transmitter	NOUN
ap-8481	59	12	and	and	CCONJ
ap-8481	59	13	receiver	receiver	NOUN
ap-8481	59	14	and	and	CCONJ
ap-8481	59	15	consists	consist	VERB
ap-8481	59	16	of	of	ADP
ap-8481	59	17	the	the	DET
ap-8481	59	18	direct	direct	ADJ
ap-8481	59	19	path	path	NOUN
ap-8481	59	20	,	,	PUNCT
ap-8481	59	21	multipath	multipath	NOUN
ap-8481	59	22	propagated	propagate	VERB
ap-8481	59	23	by	by	ADP
ap-8481	59	24	reflections	reflection	NOUN
ap-8481	59	25	on	on	ADP
ap-8481	59	26	the	the	DET
ap-8481	59	27	sea	sea	NOUN
ap-8481	59	28	surface	surface	NOUN
ap-8481	59	29	,	,	PUNCT
ap-8481	59	30	and	and	CCONJ
ap-8481	59	31	multipath	multipath	NOUN
ap-8481	59	32	propagated	propagate	VERB
ap-8481	59	33	by	by	ADP
ap-8481	59	34	reflections	reflection	NOUN
ap-8481	59	35	on	on	ADP
ap-8481	59	36	the	the	DET
ap-8481	59	37	sea	sea	NOUN
ap-8481	59	38	floor	floor	NOUN
ap-8481	59	39	.	.	PUNCT
ap-8481	60	1	the	the	DET
ap-8481	60	2	outline	outline	NOUN
ap-8481	60	3	for	for	ADP
ap-8481	60	4	this	this	DET
ap-8481	60	5	paper	paper	NOUN
ap-8481	60	6	is	be	AUX
ap-8481	60	7	as	as	SCONJ
ap-8481	60	8	follows	follow	VERB
ap-8481	60	9	:	:	PUNCT
ap-8481	60	10	in	in	ADP
ap-8481	60	11	section	section	NOUN
ap-8481	60	12	3	3	NUM
ap-8481	60	13	,	,	PUNCT
ap-8481	60	14	we	we	PRON
ap-8481	60	15	dissect	dissect	VERB
ap-8481	60	16	the	the	DET
ap-8481	60	17	proposed	propose	VERB
ap-8481	60	18	system	system	NOUN
ap-8481	60	19	model	model	NOUN
ap-8481	60	20	for	for	ADP
ap-8481	60	21	channel	channel	NOUN
ap-8481	60	22	model	model	NOUN
ap-8481	60	23	and	and	CCONJ
ap-8481	60	24	si	si	PROPN
ap-8481	60	25	cancellation	cancellation	NOUN
ap-8481	60	26	.	.	PUNCT
ap-8481	61	1	the	the	DET
ap-8481	61	2	simulation	simulation	NOUN
ap-8481	61	3	results	result	NOUN
ap-8481	61	4	and	and	CCONJ
ap-8481	61	5	discussion	discussion	NOUN
ap-8481	61	6	are	be	AUX
ap-8481	61	7	described	describe	VERB
ap-8481	61	8	in	in	ADP
ap-8481	61	9	section	section	NOUN
ap-8481	61	10	4	4	NUM
ap-8481	61	11	.	.	PUNCT
ap-8481	61	12	section	section	NOUN
ap-8481	61	13	5	5	NUM
ap-8481	61	14	offers	offer	VERB
ap-8481	61	15	a	a	DET
ap-8481	61	16	summary	summary	NOUN
ap-8481	61	17	of	of	ADP
ap-8481	61	18	the	the	DET
ap-8481	61	19	paper	paper	NOUN
ap-8481	61	20	.	.	PUNCT
ap-8481	62	1	3	3	X
ap-8481	62	2	.	.	X
ap-8481	62	3	system	system	NOUN
ap-8481	62	4	model	model	NOUN
ap-8481	62	5	in	in	ADP
ap-8481	62	6	this	this	DET
ap-8481	62	7	section	section	NOUN
ap-8481	62	8	,	,	PUNCT
ap-8481	62	9	we	we	PRON
ap-8481	62	10	introduce	introduce	VERB
ap-8481	62	11	the	the	DET
ap-8481	62	12	architecture	architecture	NOUN
ap-8481	62	13	of	of	ADP
ap-8481	62	14	the	the	DET
ap-8481	62	15	sic	sic	ADJ
ap-8481	62	16	model	model	NOUN
ap-8481	62	17	for	for	ADP
ap-8481	62	18	the	the	DET
ap-8481	62	19	ibfd	ibfd	VERB
ap-8481	62	20	-	-	PUNCT
ap-8481	62	21	uwa	uwa	NOUN
ap-8481	62	22	communication	communication	NOUN
ap-8481	62	23	system	system	NOUN
ap-8481	62	24	along	along	ADP
ap-8481	62	25	with	with	ADP
ap-8481	62	26	the	the	DET
ap-8481	62	27	channel	channel	NOUN
ap-8481	62	28	model	model	NOUN
ap-8481	62	29	,	,	PUNCT
ap-8481	62	30	including	include	VERB
ap-8481	62	31	both	both	PRON
ap-8481	62	32	si	si	X
ap-8481	62	33	and	and	CCONJ
ap-8481	62	34	far	far	ADJ
ap-8481	62	35	channels	channel	NOUN
ap-8481	62	36	and	and	CCONJ
ap-8481	62	37	the	the	DET
ap-8481	62	38	measurements	measurement	NOUN
ap-8481	62	39	.	.	PUNCT
ap-8481	63	1	24	24	NUM
ap-8481	63	2	vol	vol	NOUN
ap-8481	63	3	.	.	PUNCT
ap-8481	64	1	63	63	NUM
ap-8481	64	2	no	no	NOUN
ap-8481	64	3	.	.	PUNCT
ap-8481	65	1	1/2023	1/2023	NUM
ap-8481	65	2	self	self	NOUN
ap-8481	65	3	-	-	PUNCT
ap-8481	65	4	interference	interference	NOUN
ap-8481	65	5	cancellation	cancellation	NOUN
ap-8481	65	6	in	in	ADP
ap-8481	65	7	underwater	underwater	ADJ
ap-8481	65	8	acoustic	acoustic	ADJ
ap-8481	65	9	communications	communication	NOUN
ap-8481	65	10	.	.	PUNCT
ap-8481	65	11	.	.	PUNCT
ap-8481	65	12	.	.	PUNCT
ap-8481	66	1	3.1	3.1	NUM
ap-8481	66	2	.	.	PUNCT
ap-8481	66	3	structure	structure	NOUN
ap-8481	66	4	of	of	ADP
ap-8481	66	5	both	both	DET
ap-8481	66	6	transmitters	transmitter	NOUN
ap-8481	66	7	this	this	DET
ap-8481	66	8	work	work	NOUN
ap-8481	66	9	explores	explore	VERB
ap-8481	66	10	a	a	DET
ap-8481	66	11	scenario	scenario	NOUN
ap-8481	66	12	in	in	ADP
ap-8481	66	13	which	which	PRON
ap-8481	66	14	two	two	NUM
ap-8481	66	15	uwa	uwa	NOUN
ap-8481	66	16	nodes	node	NOUN
ap-8481	66	17	communicate	communicate	VERB
ap-8481	66	18	in	in	ADP
ap-8481	66	19	ibfd	ibfd	ADJ
ap-8481	66	20	mode	mode	NOUN
ap-8481	66	21	where	where	SCONJ
ap-8481	66	22	the	the	DET
ap-8481	66	23	far	far	ADJ
ap-8481	66	24	node	node	NOUN
ap-8481	66	25	is	be	AUX
ap-8481	66	26	a	a	DET
ap-8481	66	27	transmitter	transmitter	NOUN
ap-8481	66	28	,	,	PUNCT
ap-8481	66	29	and	and	CCONJ
ap-8481	66	30	the	the	DET
ap-8481	66	31	self	self	NOUN
ap-8481	66	32	node	node	NOUN
ap-8481	66	33	is	be	AUX
ap-8481	66	34	a	a	DET
ap-8481	66	35	receiver	receiver	NOUN
ap-8481	66	36	.	.	PUNCT
ap-8481	67	1	ofdm	ofdm	PROPN
ap-8481	67	2	is	be	AUX
ap-8481	67	3	used	use	VERB
ap-8481	67	4	with	with	ADP
ap-8481	67	5	quadrature	quadrature	NOUN
ap-8481	67	6	phase	phase	NOUN
ap-8481	67	7	shift	shift	NOUN
ap-8481	67	8	keying	keying	NOUN
ap-8481	67	9	(	(	PUNCT
ap-8481	67	10	qpsk	qpsk	NOUN
ap-8481	67	11	)	)	PUNCT
ap-8481	67	12	modulation	modulation	NOUN
ap-8481	67	13	method	method	NOUN
ap-8481	67	14	with	with	ADP
ap-8481	67	15	n	n	ADP
ap-8481	67	16	subcarriers	subcarrier	NOUN
ap-8481	67	17	and	and	CCONJ
ap-8481	67	18	equispaced	equispace	VERB
ap-8481	67	19	comb	comb	NOUN
ap-8481	67	20	-	-	PUNCT
ap-8481	67	21	type	type	NOUN
ap-8481	67	22	pilot	pilot	NOUN
ap-8481	67	23	patterns	pattern	NOUN
ap-8481	67	24	for	for	ADP
ap-8481	67	25	channel	channel	NOUN
ap-8481	67	26	estimation	estimation	NOUN
ap-8481	67	27	with	with	ADP
ap-8481	67	28	data	datum	NOUN
ap-8481	67	29	index	index	NOUN
ap-8481	67	30	d	d	PROPN
ap-8481	67	31	and	and	CCONJ
ap-8481	67	32	pilot	pilot	NOUN
ap-8481	67	33	index	index	NOUN
ap-8481	67	34	p.	p.	NOUN
ap-8481	67	35	the	the	DET
ap-8481	67	36	ofdm	ofdm	PROPN
ap-8481	67	37	block	block	NOUN
ap-8481	67	38	x	x	VERB
ap-8481	67	39	has	have	AUX
ap-8481	67	40	been	be	AUX
ap-8481	67	41	obtained	obtain	VERB
ap-8481	67	42	by	by	ADP
ap-8481	67	43	ifft	ifft	NOUN
ap-8481	67	44	of	of	ADP
ap-8481	67	45	baseband	baseband	NOUN
ap-8481	67	46	transmitted	transmit	VERB
ap-8481	67	47	signal	signal	PROPN
ap-8481	67	48	x	x	NOUN
ap-8481	67	49	,	,	PUNCT
ap-8481	67	50	which	which	PRON
ap-8481	67	51	contains	contain	VERB
ap-8481	67	52	data	datum	NOUN
ap-8481	67	53	and	and	CCONJ
ap-8481	67	54	pilot	pilot	NOUN
ap-8481	67	55	subcarriers	subcarrier	NOUN
ap-8481	67	56	.	.	PUNCT
ap-8481	68	1	x	x	X
ap-8481	68	2	=	=	PRON
ap-8481	68	3	ifft	ifft	NOUN
ap-8481	68	4	{	{	PUNCT
ap-8481	68	5	x	x	NOUN
ap-8481	68	6	}	}	PUNCT
ap-8481	68	7	=	=	SYM
ap-8481	68	8	1	1	NUM
ap-8481	68	9	n	n	NUM
ap-8481	68	10	n−1∑	n−1∑	NUM
ap-8481	68	11	k=0	k=0	PROPN
ap-8481	68	12	x	x	PUNCT
ap-8481	69	1	[	[	X
ap-8481	69	2	k	k	X
ap-8481	69	3	]	]	X
ap-8481	69	4	exp	exp	NOUN
ap-8481	69	5	(	(	PUNCT
ap-8481	69	6	−j2πkn	−j2πkn	PROPN
ap-8481	69	7	n	n	NOUN
ap-8481	69	8	)	)	PUNCT
ap-8481	69	9	(	(	PUNCT
ap-8481	69	10	1	1	X
ap-8481	69	11	)	)	PUNCT
ap-8481	69	12	for	for	ADP
ap-8481	69	13	each	each	DET
ap-8481	69	14	ofdm	ofdm	NOUN
ap-8481	69	15	block	block	NOUN
ap-8481	69	16	,	,	PUNCT
ap-8481	69	17	the	the	DET
ap-8481	69	18	cyclic	cyclic	ADJ
ap-8481	69	19	prefix	prefix	NOUN
ap-8481	69	20	selected	select	VERB
ap-8481	69	21	of	of	ADP
ap-8481	69	22	length	length	NOUN
ap-8481	69	23	longer	long	ADV
ap-8481	69	24	than	than	ADP
ap-8481	69	25	the	the	DET
ap-8481	69	26	propagation	propagation	NOUN
ap-8481	69	27	of	of	ADP
ap-8481	69	28	the	the	DET
ap-8481	69	29	excessive	excessive	ADJ
ap-8481	69	30	delay	delay	NOUN
ap-8481	69	31	of	of	ADP
ap-8481	69	32	the	the	DET
ap-8481	69	33	impulse	impulse	ADJ
ap-8481	69	34	response	response	NOUN
ap-8481	69	35	has	have	AUX
ap-8481	69	36	been	be	AUX
ap-8481	69	37	considered	consider	VERB
ap-8481	69	38	to	to	PART
ap-8481	69	39	overcome	overcome	VERB
ap-8481	69	40	isi	isi	PROPN
ap-8481	69	41	caused	cause	VERB
ap-8481	69	42	by	by	ADP
ap-8481	69	43	multipath	multipath	NOUN
ap-8481	69	44	propagation	propagation	NOUN
ap-8481	69	45	.	.	PUNCT
ap-8481	70	1	in	in	ADP
ap-8481	70	2	the	the	DET
ap-8481	70	3	proposed	propose	VERB
ap-8481	70	4	system	system	NOUN
ap-8481	70	5	for	for	ADP
ap-8481	70	6	full	full	ADJ
ap-8481	70	7	-	-	PUNCT
ap-8481	70	8	duplex	duplex	NOUN
ap-8481	70	9	sic	sic	ADJ
ap-8481	70	10	,	,	PUNCT
ap-8481	70	11	it	it	PRON
ap-8481	70	12	is	be	AUX
ap-8481	70	13	assumed	assume	VERB
ap-8481	70	14	that	that	SCONJ
ap-8481	70	15	the	the	DET
ap-8481	70	16	self	self	NOUN
ap-8481	70	17	and	and	CCONJ
ap-8481	70	18	far	far	ADJ
ap-8481	70	19	nodes	node	NOUN
ap-8481	70	20	use	use	VERB
ap-8481	70	21	real	real	ADV
ap-8481	70	22	-	-	PUNCT
ap-8481	70	23	valued	value	VERB
ap-8481	70	24	equispaced	equispace	VERB
ap-8481	70	25	comb	comb	NOUN
ap-8481	70	26	-	-	PUNCT
ap-8481	70	27	type	type	NOUN
ap-8481	70	28	pilot	pilot	NOUN
ap-8481	70	29	patterns	pattern	NOUN
ap-8481	70	30	with	with	ADP
ap-8481	70	31	the	the	DET
ap-8481	70	32	same	same	ADJ
ap-8481	70	33	subcarriers	subcarrier	NOUN
ap-8481	70	34	with	with	ADP
ap-8481	70	35	index	index	NOUN
ap-8481	70	36	p	p	NOUN
ap-8481	70	37	as	as	SCONJ
ap-8481	70	38	shown	show	VERB
ap-8481	70	39	in	in	ADP
ap-8481	70	40	figure	figure	NOUN
ap-8481	70	41	1	1	NUM
ap-8481	70	42	.	.	PUNCT
ap-8481	70	43	figure	figure	NOUN
ap-8481	70	44	1	1	NUM
ap-8481	70	45	.	.	PUNCT
ap-8481	70	46	pilot	pilot	NOUN
ap-8481	70	47	pattern	pattern	NOUN
ap-8481	70	48	.	.	PUNCT
ap-8481	71	1	pilot	pilot	NOUN
ap-8481	71	2	vector	vector	NOUN
ap-8481	71	3	xp	xp	NOUN
ap-8481	72	1	=	=	PUNCT
ap-8481	72	2	[	[	PUNCT
ap-8481	72	3	p1	p1	NOUN
ap-8481	72	4	,	,	PUNCT
ap-8481	72	5	p2	p2	NOUN
ap-8481	72	6	,	,	PUNCT
ap-8481	72	7	.	.	PUNCT
ap-8481	72	8	.	.	PUNCT
ap-8481	73	1	.	.	PUNCT
ap-8481	74	1	,	,	PUNCT
ap-8481	74	2	pnp	pnp	PROPN
ap-8481	74	3	]	]	PUNCT
ap-8481	74	4	t	t	NOUN
ap-8481	74	5	with	with	ADP
ap-8481	74	6	the	the	DET
ap-8481	74	7	length	length	NOUN
ap-8481	74	8	np	np	INTJ
ap-8481	74	9	has	have	AUX
ap-8481	74	10	been	be	AUX
ap-8481	74	11	used	use	VERB
ap-8481	74	12	for	for	ADP
ap-8481	74	13	both	both	DET
ap-8481	74	14	self	self	NOUN
ap-8481	74	15	and	and	CCONJ
ap-8481	74	16	far	far	ADJ
ap-8481	74	17	nodes	node	NOUN
ap-8481	74	18	.	.	PUNCT
ap-8481	75	1	at	at	ADP
ap-8481	75	2	the	the	DET
ap-8481	75	3	self	self	NOUN
ap-8481	75	4	node	node	ADJ
ap-8481	75	5	part	part	NOUN
ap-8481	75	6	,	,	PUNCT
ap-8481	75	7	after	after	ADP
ap-8481	75	8	the	the	DET
ap-8481	75	9	combination	combination	NOUN
ap-8481	75	10	of	of	ADP
ap-8481	75	11	data	datum	NOUN
ap-8481	75	12	xd	xd	INTJ
ap-8481	75	13	at	at	ADP
ap-8481	75	14	index	index	NOUN
ap-8481	75	15	d	d	PROPN
ap-8481	75	16	and	and	CCONJ
ap-8481	75	17	pilot	pilot	PROPN
ap-8481	75	18	xp	xp	INTJ
ap-8481	75	19	at	at	ADP
ap-8481	75	20	index	index	NOUN
ap-8481	75	21	p	p	NOUN
ap-8481	75	22	,	,	PUNCT
ap-8481	75	23	the	the	DET
ap-8481	75	24	data	data	NOUN
ap-8481	75	25	xs	xs	PROPN
ap-8481	75	26	were	be	AUX
ap-8481	75	27	created	create	VERB
ap-8481	75	28	.	.	PUNCT
ap-8481	76	1	then	then	ADV
ap-8481	76	2	,	,	PUNCT
ap-8481	76	3	data	datum	NOUN
ap-8481	76	4	xs	xs	PROPN
ap-8481	76	5	passed	pass	VERB
ap-8481	76	6	through	through	ADP
ap-8481	76	7	ifft	ifft	PROPN
ap-8481	76	8	and	and	CCONJ
ap-8481	76	9	cyclic	cyclic	ADJ
ap-8481	76	10	prefix	prefix	NOUN
ap-8481	76	11	blocks	block	NOUN
ap-8481	76	12	and	and	CCONJ
ap-8481	76	13	xscp	xscp	PROPN
ap-8481	76	14	has	have	AUX
ap-8481	76	15	been	be	AUX
ap-8481	76	16	obtained	obtain	VERB
ap-8481	76	17	.	.	PUNCT
ap-8481	77	1	by	by	ADP
ap-8481	77	2	using	use	VERB
ap-8481	77	3	a	a	DET
ap-8481	77	4	similar	similar	ADJ
ap-8481	77	5	way	way	NOUN
ap-8481	77	6	,	,	PUNCT
ap-8481	77	7	xfcp	xfcp	PROPN
ap-8481	77	8	has	have	AUX
ap-8481	77	9	been	be	AUX
ap-8481	77	10	obtained	obtain	VERB
ap-8481	77	11	at	at	ADP
ap-8481	77	12	the	the	DET
ap-8481	77	13	far	far	ADV
ap-8481	77	14	node	node	ADJ
ap-8481	77	15	part	part	NOUN
ap-8481	77	16	.	.	PUNCT
ap-8481	78	1	these	these	DET
ap-8481	78	2	two	two	NUM
ap-8481	78	3	signals	signal	NOUN
ap-8481	78	4	are	be	AUX
ap-8481	78	5	subsequently	subsequently	ADV
ap-8481	78	6	sent	send	VERB
ap-8481	78	7	through	through	ADP
ap-8481	78	8	the	the	DET
ap-8481	78	9	si	si	NOUN
ap-8481	78	10	and	and	CCONJ
ap-8481	78	11	communication	communication	NOUN
ap-8481	78	12	channels	channel	NOUN
ap-8481	78	13	.	.	PUNCT
ap-8481	79	1	the	the	DET
ap-8481	79	2	following	follow	VERB
ap-8481	79	3	subsection	subsection	NOUN
ap-8481	79	4	shows	show	VERB
ap-8481	79	5	the	the	DET
ap-8481	79	6	model	model	NOUN
ap-8481	79	7	of	of	ADP
ap-8481	79	8	si	si	X
ap-8481	79	9	and	and	CCONJ
ap-8481	79	10	far	far	ADJ
ap-8481	79	11	channels	channel	NOUN
ap-8481	79	12	.	.	PUNCT
ap-8481	80	1	3.2	3.2	NUM
ap-8481	80	2	.	.	PUNCT
ap-8481	81	1	the	the	DET
ap-8481	81	2	model	model	NOUN
ap-8481	81	3	of	of	ADP
ap-8481	81	4	the	the	DET
ap-8481	81	5	channel	channel	NOUN
ap-8481	81	6	we	we	PRON
ap-8481	81	7	construct	construct	VERB
ap-8481	81	8	a	a	DET
ap-8481	81	9	propagation	propagation	NOUN
ap-8481	81	10	channel	channel	NOUN
ap-8481	81	11	model	model	NOUN
ap-8481	81	12	in	in	ADP
ap-8481	81	13	this	this	DET
ap-8481	81	14	subsection	subsection	NOUN
ap-8481	81	15	,	,	PUNCT
ap-8481	81	16	assuming	assume	VERB
ap-8481	81	17	a	a	DET
ap-8481	81	18	typical	typical	ADJ
ap-8481	81	19	shallow	shallow	ADJ
ap-8481	81	20	water	water	NOUN
ap-8481	81	21	setting	set	VERB
ap-8481	81	22	with	with	ADP
ap-8481	81	23	water	water	NOUN
ap-8481	81	24	column	column	NOUN
ap-8481	81	25	level	level	NOUN
ap-8481	81	26	dw	dw	NOUN
ap-8481	81	27	shown	show	VERB
ap-8481	81	28	in	in	ADP
ap-8481	81	29	figure	figure	NOUN
ap-8481	81	30	2	2	NUM
ap-8481	81	31	.	.	PUNCT
ap-8481	81	32	figure	figure	NOUN
ap-8481	81	33	2	2	NUM
ap-8481	81	34	.	.	PUNCT
ap-8481	81	35	an	an	DET
ap-8481	81	36	acoustic	acoustic	ADJ
ap-8481	81	37	ibfd	ibfd	VERB
ap-8481	81	38	shallow	shallow	ADJ
ap-8481	81	39	water	water	NOUN
ap-8481	81	40	communication	communication	NOUN
ap-8481	81	41	system	system	NOUN
ap-8481	81	42	.	.	PUNCT
ap-8481	82	1	the	the	DET
ap-8481	82	2	two	two	NUM
ap-8481	82	3	transmitted	transmit	VERB
ap-8481	82	4	signals	signal	NOUN
ap-8481	82	5	pass	pass	VERB
ap-8481	82	6	through	through	ADP
ap-8481	82	7	their	their	PRON
ap-8481	82	8	separate	separate	ADJ
ap-8481	82	9	channels	channel	NOUN
ap-8481	82	10	,	,	PUNCT
ap-8481	82	11	indicated	indicate	VERB
ap-8481	82	12	by	by	ADP
ap-8481	82	13	the	the	DET
ap-8481	82	14	si	si	PROPN
ap-8481	82	15	channel	channel	PROPN
ap-8481	82	16	and	and	CCONJ
ap-8481	82	17	far	far	ADJ
ap-8481	82	18	channel	channel	NOUN
ap-8481	82	19	,	,	PUNCT
ap-8481	82	20	respectively	respectively	ADV
ap-8481	82	21	.	.	PUNCT
ap-8481	83	1	the	the	DET
ap-8481	83	2	uwa	uwa	PROPN
ap-8481	83	3	channel	channel	PROPN
ap-8481	83	4	has	have	VERB
ap-8481	83	5	a	a	DET
ap-8481	83	6	significant	significant	ADJ
ap-8481	83	7	impact	impact	NOUN
ap-8481	83	8	on	on	ADP
ap-8481	83	9	the	the	DET
ap-8481	83	10	performance	performance	NOUN
ap-8481	83	11	of	of	ADP
ap-8481	83	12	the	the	DET
ap-8481	83	13	ibfd	ibfd	ADJ
ap-8481	83	14	underwater	underwater	ADJ
ap-8481	83	15	wireless	wireless	ADJ
ap-8481	83	16	communication	communication	NOUN
ap-8481	83	17	system	system	NOUN
ap-8481	83	18	.	.	PUNCT
ap-8481	84	1	due	due	ADP
ap-8481	84	2	to	to	ADP
ap-8481	84	3	the	the	DET
ap-8481	84	4	strong	strong	ADJ
ap-8481	84	5	self	self	NOUN
ap-8481	84	6	-	-	PUNCT
ap-8481	84	7	interference	interference	NOUN
ap-8481	84	8	and	and	CCONJ
ap-8481	84	9	multipath	multipath	NOUN
ap-8481	84	10	propagation	propagation	NOUN
ap-8481	84	11	,	,	PUNCT
ap-8481	84	12	reliable	reliable	ADJ
ap-8481	84	13	information	information	NOUN
ap-8481	84	14	about	about	ADP
ap-8481	84	15	the	the	DET
ap-8481	84	16	si	si	NOUN
ap-8481	84	17	and	and	CCONJ
ap-8481	84	18	communication	communication	NOUN
ap-8481	84	19	channels	channel	NOUN
ap-8481	84	20	are	be	AUX
ap-8481	84	21	required	require	VERB
ap-8481	84	22	to	to	PART
ap-8481	84	23	develop	develop	VERB
ap-8481	84	24	si	si	NOUN
ap-8481	84	25	cancellation	cancellation	NOUN
ap-8481	84	26	strategies	strategy	NOUN
ap-8481	84	27	successfully	successfully	ADV
ap-8481	84	28	.	.	PUNCT
ap-8481	85	1	3.2.1	3.2.1	X
ap-8481	85	2	.	.	X
ap-8481	85	3	far	far	ADJ
ap-8481	85	4	channel	channel	NOUN
ap-8481	85	5	model	model	NOUN
ap-8481	85	6	characterising	characterise	VERB
ap-8481	85	7	the	the	DET
ap-8481	85	8	propagation	propagation	NOUN
ap-8481	85	9	delay	delay	NOUN
ap-8481	85	10	,	,	PUNCT
ap-8481	85	11	spreading	spread	VERB
ap-8481	85	12	loss	loss	NOUN
ap-8481	85	13	,	,	PUNCT
ap-8481	85	14	transmission	transmission	NOUN
ap-8481	85	15	loss	loss	NOUN
ap-8481	85	16	,	,	PUNCT
ap-8481	85	17	and	and	CCONJ
ap-8481	85	18	absorption	absorption	NOUN
ap-8481	85	19	loss	loss	NOUN
ap-8481	85	20	of	of	ADP
ap-8481	85	21	the	the	DET
ap-8481	85	22	vertical	vertical	ADJ
ap-8481	85	23	channel	channel	NOUN
ap-8481	85	24	is	be	AUX
ap-8481	85	25	essential	essential	ADJ
ap-8481	85	26	for	for	ADP
ap-8481	85	27	developing	develop	VERB
ap-8481	85	28	a	a	DET
ap-8481	85	29	fundamental	fundamental	ADJ
ap-8481	85	30	model	model	NOUN
ap-8481	85	31	of	of	ADP
ap-8481	85	32	the	the	DET
ap-8481	85	33	channel	channel	NOUN
ap-8481	85	34	.	.	PUNCT
ap-8481	86	1	distance	distance	NOUN
ap-8481	86	2	-	-	PUNCT
ap-8481	86	3	related	relate	VERB
ap-8481	86	4	weakening	weakening	NOUN
ap-8481	86	5	of	of	ADP
ap-8481	86	6	signal	signal	ADJ
ap-8481	86	7	strength	strength	NOUN
ap-8481	86	8	is	be	AUX
ap-8481	86	9	expressed	express	VERB
ap-8481	86	10	as	as	ADP
ap-8481	86	11	a	a	DET
ap-8481	86	12	decibel	decibel	NOUN
ap-8481	86	13	(	(	PUNCT
ap-8481	86	14	db	db	NOUN
ap-8481	86	15	)	)	PUNCT
ap-8481	86	16	value	value	NOUN
ap-8481	86	17	called	call	VERB
ap-8481	86	18	transmission	transmission	NOUN
ap-8481	86	19	loss	loss	NOUN
ap-8481	86	20	(	(	PUNCT
ap-8481	86	21	tl	tl	PROPN
ap-8481	86	22	)	)	PUNCT
ap-8481	86	23	.	.	PUNCT
ap-8481	87	1	attributable	attributable	ADJ
ap-8481	87	2	to	to	ADP
ap-8481	87	3	a	a	DET
ap-8481	87	4	combination	combination	NOUN
ap-8481	87	5	of	of	ADP
ap-8481	87	6	25	25	NUM
ap-8481	87	7	hala	hala	PROPN
ap-8481	87	8	a.	a.	PROPN
ap-8481	87	9	naman	naman	PROPN
ap-8481	87	10	,	,	PUNCT
ap-8481	87	11	ammar	ammar	PROPN
ap-8481	87	12	e.	e.	PROPN
ap-8481	87	13	abdelkareem	abdelkareem	PROPN
ap-8481	87	14	acta	acta	PROPN
ap-8481	87	15	polytechnica	polytechnica	PROPN
ap-8481	87	16	spreading	spread	VERB
ap-8481	87	17	loss	loss	NOUN
ap-8481	87	18	and	and	CCONJ
ap-8481	87	19	attenuation	attenuation	NOUN
ap-8481	87	20	,	,	PUNCT
ap-8481	87	21	it	it	PRON
ap-8481	87	22	is	be	AUX
ap-8481	87	23	quantified	quantify	VERB
ap-8481	87	24	by	by	ADP
ap-8481	87	25	[	[	X
ap-8481	87	26	18	18	NUM
ap-8481	87	27	]	]	PUNCT
ap-8481	87	28	.	.	PUNCT
ap-8481	88	1	the	the	DET
ap-8481	88	2	latter	latter	ADJ
ap-8481	88	3	is	be	AUX
ap-8481	88	4	what	what	PRON
ap-8481	88	5	would	would	AUX
ap-8481	88	6	happen	happen	VERB
ap-8481	88	7	if	if	SCONJ
ap-8481	88	8	the	the	DET
ap-8481	88	9	sound	sound	NOUN
ap-8481	88	10	was	be	AUX
ap-8481	88	11	transmitted	transmit	VERB
ap-8481	88	12	and	and	CCONJ
ap-8481	88	13	immediately	immediately	ADV
ap-8481	88	14	converted	convert	VERB
ap-8481	88	15	into	into	ADP
ap-8481	88	16	heat	heat	NOUN
ap-8481	88	17	due	due	ADP
ap-8481	88	18	to	to	ADP
ap-8481	88	19	friction	friction	NOUN
ap-8481	88	20	.	.	PUNCT
ap-8481	89	1	tl	tl	PROPN
ap-8481	89	2	(	(	PUNCT
ap-8481	89	3	f	f	X
ap-8481	89	4	)	)	PUNCT
ap-8481	89	5	=	=	NOUN
ap-8481	90	1	2αz	2αz	NOUN
ap-8481	90	2	+	+	CCONJ
ap-8481	90	3	k	k	PROPN
ap-8481	90	4	log10	log10	PROPN
ap-8481	90	5	(	(	PUNCT
ap-8481	90	6	r	r	NOUN
ap-8481	90	7	)	)	PUNCT
ap-8481	90	8	+	+	CCONJ
ap-8481	90	9	a	a	DET
ap-8481	90	10	(	(	PUNCT
ap-8481	90	11	f	f	X
ap-8481	90	12	)	)	PUNCT
ap-8481	90	13	r	r	NOUN
ap-8481	90	14	,	,	PUNCT
ap-8481	90	15	(	(	PUNCT
ap-8481	90	16	2	2	X
ap-8481	90	17	)	)	PUNCT
ap-8481	90	18	where	where	SCONJ
ap-8481	90	19	αz	αz	PROPN
ap-8481	90	20	denotes	denote	VERB
ap-8481	90	21	the	the	DET
ap-8481	90	22	15	15	NUM
ap-8481	90	23	db	db	PROPN
ap-8481	90	24	attenuation	attenuation	NOUN
ap-8481	90	25	in	in	ADP
ap-8481	90	26	the	the	DET
ap-8481	90	27	zy	zy	PROPN
ap-8481	90	28	and	and	CCONJ
ap-8481	90	29	zx	zx	PROPN
ap-8481	90	30	planes	plane	NOUN
ap-8481	90	31	.	.	PUNCT
ap-8481	91	1	this	this	PRON
ap-8481	91	2	is	be	AUX
ap-8481	91	3	due	due	ADJ
ap-8481	91	4	to	to	ADP
ap-8481	91	5	the	the	DET
ap-8481	91	6	fact	fact	NOUN
ap-8481	91	7	that	that	SCONJ
ap-8481	91	8	both	both	CCONJ
ap-8481	91	9	the	the	DET
ap-8481	91	10	transducer	transducer	NOUN
ap-8481	91	11	and	and	CCONJ
ap-8481	91	12	the	the	DET
ap-8481	91	13	receiver	receiver	NOUN
ap-8481	91	14	employ	employ	VERB
ap-8481	91	15	toroidal	toroidal	ADJ
ap-8481	91	16	transducers	transducer	NOUN
ap-8481	91	17	with	with	ADP
ap-8481	91	18	a	a	DET
ap-8481	91	19	beam	beam	NOUN
ap-8481	91	20	pattern	pattern	NOUN
ap-8481	91	21	,	,	PUNCT
ap-8481	91	22	r	r	NOUN
ap-8481	91	23	represents	represent	VERB
ap-8481	91	24	the	the	DET
ap-8481	91	25	propagation	propagation	NOUN
ap-8481	91	26	range	range	NOUN
ap-8481	91	27	in	in	ADP
ap-8481	91	28	meters	meter	NOUN
ap-8481	91	29	,	,	PUNCT
ap-8481	91	30	and	and	CCONJ
ap-8481	91	31	k	k	PROPN
ap-8481	91	32	is	be	AUX
ap-8481	91	33	the	the	DET
ap-8481	91	34	spreading	spread	VERB
ap-8481	91	35	factor	factor	NOUN
ap-8481	91	36	,	,	PUNCT
ap-8481	91	37	which	which	PRON
ap-8481	91	38	is	be	AUX
ap-8481	91	39	10	10	NUM
ap-8481	91	40	for	for	ADP
ap-8481	91	41	spherical	spherical	ADJ
ap-8481	91	42	spreading	spreading	NOUN
ap-8481	91	43	and	and	CCONJ
ap-8481	91	44	20	20	NUM
ap-8481	91	45	for	for	ADP
ap-8481	91	46	free	free	ADJ
ap-8481	91	47	-	-	PUNCT
ap-8481	91	48	field	field	NOUN
ap-8481	91	49	spreading	spread	VERB
ap-8481	91	50	.	.	PUNCT
ap-8481	92	1	in	in	ADP
ap-8481	92	2	this	this	DET
ap-8481	92	3	computation	computation	NOUN
ap-8481	92	4	,	,	PUNCT
ap-8481	92	5	a	a	DET
ap-8481	92	6	practical	practical	ADJ
ap-8481	92	7	law	law	NOUN
ap-8481	92	8	that	that	PRON
ap-8481	92	9	lies	lie	VERB
ap-8481	92	10	between	between	ADP
ap-8481	92	11	both	both	CCONJ
ap-8481	92	12	the	the	DET
ap-8481	92	13	spherical	spherical	ADJ
ap-8481	92	14	and	and	CCONJ
ap-8481	92	15	cylindrical	cylindrical	ADJ
ap-8481	92	16	laws	law	NOUN
ap-8481	92	17	is	be	AUX
ap-8481	92	18	selected	select	VERB
ap-8481	92	19	.	.	PUNCT
ap-8481	93	1	the	the	DET
ap-8481	93	2	presence	presence	NOUN
ap-8481	93	3	of	of	ADP
ap-8481	93	4	magnesium	magnesium	NOUN
ap-8481	93	5	sulphate	sulphate	NOUN
ap-8481	93	6	in	in	ADP
ap-8481	93	7	saltwater	saltwater	NOUN
ap-8481	93	8	begins	begin	VERB
ap-8481	93	9	to	to	PART
ap-8481	93	10	contribute	contribute	VERB
ap-8481	93	11	extra	extra	ADJ
ap-8481	93	12	attenuation	attenuation	NOUN
ap-8481	93	13	at	at	ADP
ap-8481	93	14	frequencies	frequency	NOUN
ap-8481	93	15	lower	low	ADJ
ap-8481	93	16	than	than	ADP
ap-8481	93	17	500	500	NUM
ap-8481	93	18	khz	khz	NOUN
ap-8481	93	19	.	.	PUNCT
ap-8481	94	1	despite	despite	SCONJ
ap-8481	94	2	its	its	PRON
ap-8481	94	3	low	low	ADJ
ap-8481	94	4	quantity	quantity	NOUN
ap-8481	94	5	in	in	ADP
ap-8481	94	6	saltwater	saltwater	NOUN
ap-8481	94	7	,	,	PUNCT
ap-8481	94	8	boric	boric	ADJ
ap-8481	94	9	acid	acid	NOUN
ap-8481	94	10	contributes	contribute	VERB
ap-8481	94	11	at	at	ADP
ap-8481	94	12	frequencies	frequency	NOUN
ap-8481	94	13	lower	low	ADJ
ap-8481	94	14	than	than	ADP
ap-8481	94	15	700	700	NUM
ap-8481	94	16	hz	hz	NOUN
ap-8481	94	17	,	,	PUNCT
ap-8481	94	18	and	and	CCONJ
ap-8481	94	19	the	the	DET
ap-8481	94	20	equations	equation	NOUN
ap-8481	94	21	that	that	PRON
ap-8481	94	22	follow	follow	VERB
ap-8481	94	23	are	be	AUX
ap-8481	94	24	related	relate	VERB
ap-8481	94	25	to	to	ADP
ap-8481	94	26	the	the	DET
ap-8481	94	27	computation	computation	NOUN
ap-8481	94	28	of	of	ADP
ap-8481	94	29	α(f	α(f	PROPN
ap-8481	94	30	)	)	PUNCT
ap-8481	95	1	where	where	SCONJ
ap-8481	95	2	:	:	PUNCT
ap-8481	95	3	α(f	α(f	NUM
ap-8481	95	4	)	)	PUNCT
ap-8481	95	5	=	=	SYM
ap-8481	96	1	α1	α1	PROPN
ap-8481	96	2	+	+	CCONJ
ap-8481	96	3	α2	α2	ADJ
ap-8481	96	4	+	+	CCONJ
ap-8481	96	5	α3	α3	ADJ
ap-8481	96	6	,	,	PUNCT
ap-8481	96	7	(	(	PUNCT
ap-8481	96	8	3	3	X
ap-8481	96	9	)	)	PUNCT
ap-8481	96	10	(	(	PUNCT
ap-8481	96	11	freshwater	freshwater	NOUN
ap-8481	96	12	attenuation	attenuation	NOUN
ap-8481	96	13	)	)	PUNCT
ap-8481	96	14	α1	α1	PROPN
ap-8481	96	15	=	=	SYM
ap-8481	96	16	af2	af2	PROPN
ap-8481	96	17	,	,	PUNCT
ap-8481	96	18	(	(	PUNCT
ap-8481	96	19	4	4	NUM
ap-8481	96	20	)	)	PUNCT
ap-8481	96	21	(	(	PUNCT
ap-8481	96	22	mgso4relaxation	mgso4relaxation	NOUN
ap-8481	96	23	)	)	PUNCT
ap-8481	96	24	α2	α2	PROPN
ap-8481	96	25	=	=	SYM
ap-8481	97	1	b	b	NOUN
ap-8481	97	2	f0/(1	f0/(1	PROPN
ap-8481	97	3	+	+	CCONJ
ap-8481	97	4	(	(	PUNCT
ap-8481	97	5	f0	f0	PROPN
ap-8481	97	6	/	/	SYM
ap-8481	97	7	f)2	f)2	PROPN
ap-8481	97	8	)	)	PUNCT
ap-8481	97	9	,	,	PUNCT
ap-8481	97	10	(	(	PUNCT
ap-8481	97	11	5	5	X
ap-8481	97	12	)	)	PUNCT
ap-8481	97	13	(	(	PUNCT
ap-8481	97	14	boric	boric	ADJ
ap-8481	97	15	acid	acid	NOUN
ap-8481	97	16	relaxation	relaxation	NOUN
ap-8481	97	17	)	)	PUNCT
ap-8481	97	18	α3	α3	NOUN
ap-8481	97	19	=	=	SYM
ap-8481	97	20	c	c	PROPN
ap-8481	97	21	f1/(1	f1/(1	NOUN
ap-8481	97	22	+	+	CCONJ
ap-8481	97	23	(	(	PUNCT
ap-8481	97	24	f1	f1	PROPN
ap-8481	97	25	/	/	SYM
ap-8481	97	26	f)2	f)2	PROPN
ap-8481	97	27	)	)	PUNCT
ap-8481	97	28	,	,	PUNCT
ap-8481	97	29	(	(	PUNCT
ap-8481	97	30	6	6	X
ap-8481	97	31	)	)	PUNCT
ap-8481	97	32	a	a	DET
ap-8481	97	33	=	=	SYM
ap-8481	97	34	1.3	1.3	NUM
ap-8481	97	35	×	×	NOUN
ap-8481	97	36	(	(	PUNCT
ap-8481	97	37	10	10	NUM
ap-8481	97	38	∗	∗	NOUN
ap-8481	97	39	exp(−7	exp(−7	NUM
ap-8481	97	40	)	)	PUNCT
ap-8481	97	41	)	)	PUNCT
ap-8481	98	1	+	+	CCONJ
ap-8481	98	2	2.1	2.1	NUM
ap-8481	98	3	×	×	NOUN
ap-8481	98	4	(	(	PUNCT
ap-8481	98	5	(	(	PUNCT
ap-8481	98	6	10	10	NUM
ap-8481	98	7	∗	∗	NOUN
ap-8481	98	8	exp(−10	exp(−10	ADJ
ap-8481	98	9	)	)	PUNCT
ap-8481	98	10	)	)	PUNCT
ap-8481	98	11	(	(	PUNCT
ap-8481	98	12	t	t	PROPN
ap-8481	98	13	−	−	PROPN
ap-8481	98	14	38)2	38)2	NUM
ap-8481	98	15	,	,	PUNCT
ap-8481	98	16	(	(	PUNCT
ap-8481	98	17	7	7	X
ap-8481	98	18	)	)	PUNCT
ap-8481	98	19	b	b	NOUN
ap-8481	98	20	=	=	SYM
ap-8481	98	21	2s	2s	NUM
ap-8481	98	22	×	×	NOUN
ap-8481	98	23	(	(	PUNCT
ap-8481	98	24	10	10	NUM
ap-8481	98	25	∗	∗	NOUN
ap-8481	98	26	exp(−5	exp(−5	PROPN
ap-8481	98	27	)	)	PUNCT
ap-8481	98	28	)	)	PUNCT
ap-8481	98	29	,	,	PUNCT
ap-8481	98	30	(	(	PUNCT
ap-8481	98	31	8)	8)	NUM
ap-8481	98	32	c	c	NOUN
ap-8481	98	33	=	=	SYM
ap-8481	98	34	1.2	1.2	NUM
ap-8481	98	35	×	×	NOUN
ap-8481	98	36	10−4	10−4	NUM
ap-8481	98	37	,	,	PUNCT
ap-8481	98	38	(	(	PUNCT
ap-8481	98	39	9	9	X
ap-8481	98	40	)	)	PUNCT
ap-8481	98	41	f0	f0	NOUN
ap-8481	98	42	=	=	NOUN
ap-8481	98	43	50	50	NUM
ap-8481	98	44	×	×	NOUN
ap-8481	98	45	(	(	PUNCT
ap-8481	98	46	t	t	NOUN
ap-8481	98	47	+	+	NOUN
ap-8481	98	48	1	1	NUM
ap-8481	98	49	)	)	PUNCT
ap-8481	98	50	,	,	PUNCT
ap-8481	98	51	(	(	PUNCT
ap-8481	98	52	10	10	NUM
ap-8481	98	53	)	)	PUNCT
ap-8481	98	54	f1	f1	NOUN
ap-8481	98	55	=	=	SYM
ap-8481	98	56	(	(	PUNCT
ap-8481	98	57	10)(t	10)(t	PROPN
ap-8481	98	58	−4)/100	−4)/100	PROPN
ap-8481	98	59	,	,	PUNCT
ap-8481	98	60	(	(	PUNCT
ap-8481	98	61	11	11	NUM
ap-8481	98	62	)	)	PUNCT
ap-8481	98	63	where	where	SCONJ
ap-8481	98	64	s	s	NOUN
ap-8481	98	65	=	=	SYM
ap-8481	98	66	35	35	NUM
ap-8481	98	67	represents	represent	VERB
ap-8481	98	68	salinity	salinity	NOUN
ap-8481	98	69	in	in	ADP
ap-8481	98	70	h	h	NOUN
ap-8481	98	71	,	,	PUNCT
ap-8481	98	72	t	t	PROPN
ap-8481	98	73	=	=	SYM
ap-8481	98	74	14	14	NUM
ap-8481	98	75	means	mean	VERB
ap-8481	98	76	temperature	temperature	NOUN
ap-8481	98	77	in	in	ADP
ap-8481	98	78	degrees	degree	NOUN
ap-8481	98	79	of	of	ADP
ap-8481	98	80	celsius	celsius	NOUN
ap-8481	98	81	,	,	PUNCT
ap-8481	98	82	and	and	CCONJ
ap-8481	98	83	f=12	f=12	NOUN
ap-8481	98	84	khz	khz	NOUN
ap-8481	98	85	indicates	indicate	VERB
ap-8481	98	86	frequency	frequency	NOUN
ap-8481	98	87	band	band	NOUN
ap-8481	98	88	.	.	PUNCT
ap-8481	99	1	to	to	PART
ap-8481	99	2	model	model	VERB
ap-8481	99	3	the	the	DET
ap-8481	99	4	communication	communication	NOUN
ap-8481	99	5	channel	channel	NOUN
ap-8481	99	6	between	between	ADP
ap-8481	99	7	the	the	DET
ap-8481	99	8	self	self	NOUN
ap-8481	99	9	and	and	CCONJ
ap-8481	99	10	far	far	ADJ
ap-8481	99	11	nodes	node	NOUN
ap-8481	99	12	,	,	PUNCT
ap-8481	99	13	we	we	PRON
ap-8481	99	14	propose	propose	VERB
ap-8481	99	15	a	a	DET
ap-8481	99	16	geometry	geometry	NOUN
ap-8481	99	17	model	model	NOUN
ap-8481	99	18	to	to	PART
ap-8481	99	19	represent	represent	VERB
ap-8481	99	20	the	the	DET
ap-8481	99	21	multipath	multipath	NOUN
ap-8481	99	22	propagation	propagation	NOUN
ap-8481	99	23	in	in	ADP
ap-8481	99	24	the	the	DET
ap-8481	99	25	far	far	ADJ
ap-8481	99	26	channel	channel	NOUN
ap-8481	99	27	based	base	VERB
ap-8481	99	28	on	on	ADP
ap-8481	99	29	a	a	DET
ap-8481	99	30	triangle	triangle	NOUN
ap-8481	99	31	by	by	ADP
ap-8481	99	32	setting	set	VERB
ap-8481	99	33	the	the	DET
ap-8481	99	34	angle	angle	NOUN
ap-8481	99	35	between	between	ADP
ap-8481	99	36	the	the	DET
ap-8481	99	37	fd	fd	PROPN
ap-8481	99	38	modem	modem	NOUN
ap-8481	99	39	direction	direction	NOUN
ap-8481	99	40	and	and	CCONJ
ap-8481	99	41	water	water	NOUN
ap-8481	99	42	column	column	NOUN
ap-8481	99	43	θ	θ	NOUN
ap-8481	99	44	=	=	PUNCT
ap-8481	99	45	90	90	NUM
ap-8481	99	46	°	°	NUM
ap-8481	99	47	.	.	PUNCT
ap-8481	100	1	direct	direct	ADJ
ap-8481	100	2	path	path	NOUN
ap-8481	100	3	propagation	propagation	NOUN
ap-8481	100	4	delay	delay	NOUN
ap-8481	100	5	td	td	NOUN
ap-8481	100	6	is	be	AUX
ap-8481	100	7	determined	determine	VERB
ap-8481	100	8	by	by	ADP
ap-8481	100	9	using	use	VERB
ap-8481	100	10	the	the	DET
ap-8481	100	11	velocity	velocity	NOUN
ap-8481	100	12	formula	formula	NOUN
ap-8481	100	13	:	:	PUNCT
ap-8481	100	14	td	td	NOUN
ap-8481	100	15	=	=	SYM
ap-8481	100	16	(	(	PUNCT
ap-8481	100	17	dt	dt	X
ap-8481	100	18	−	−	PROPN
ap-8481	100	19	dr)/c	dr)/c	ADJ
ap-8481	100	20	,	,	PUNCT
ap-8481	100	21	(	(	PUNCT
ap-8481	100	22	12	12	NUM
ap-8481	100	23	)	)	PUNCT
ap-8481	100	24	where	where	SCONJ
ap-8481	100	25	the	the	DET
ap-8481	100	26	transmitter	transmitter	NOUN
ap-8481	100	27	depth	depth	NOUN
ap-8481	100	28	,	,	PUNCT
ap-8481	100	29	denoted	denote	VERB
ap-8481	100	30	by	by	ADP
ap-8481	100	31	dt	dt	PUNCT
ap-8481	100	32	,	,	PUNCT
ap-8481	100	33	and	and	CCONJ
ap-8481	100	34	the	the	DET
ap-8481	100	35	reception	reception	NOUN
ap-8481	100	36	depth	depth	NOUN
ap-8481	100	37	,	,	PUNCT
ap-8481	100	38	indicated	indicate	VERB
ap-8481	100	39	by	by	ADP
ap-8481	100	40	dr	dr	PROPN
ap-8481	100	41	and	and	CCONJ
ap-8481	100	42	c	c	PROPN
ap-8481	100	43	=	=	SYM
ap-8481	100	44	1500	1500	NUM
ap-8481	100	45	means	mean	VERB
ap-8481	100	46	the	the	DET
ap-8481	100	47	sound	sound	ADJ
ap-8481	100	48	speed	speed	NOUN
ap-8481	100	49	.	.	PUNCT
ap-8481	101	1	this	this	DET
ap-8481	101	2	model	model	NOUN
ap-8481	101	3	posits	posit	NOUN
ap-8481	101	4	that	that	PRON
ap-8481	101	5	dr	dr	PROPN
ap-8481	101	6	is	be	AUX
ap-8481	101	7	not	not	PART
ap-8481	101	8	constant	constant	ADJ
ap-8481	101	9	,	,	PUNCT
ap-8481	101	10	and	and	CCONJ
ap-8481	101	11	its	its	PRON
ap-8481	101	12	value	value	NOUN
ap-8481	101	13	varies	vary	VERB
ap-8481	101	14	with	with	ADP
ap-8481	101	15	respect	respect	NOUN
ap-8481	101	16	to	to	ADP
ap-8481	101	17	dt	dt	PROPN
ap-8481	101	18	.	.	PUNCT
ap-8481	102	1	as	as	SCONJ
ap-8481	102	2	seen	see	VERB
ap-8481	102	3	in	in	ADP
ap-8481	102	4	figure	figure	NOUN
ap-8481	102	5	3	3	NUM
ap-8481	102	6	,	,	PUNCT
ap-8481	102	7	the	the	DET
ap-8481	102	8	angle	angle	NOUN
ap-8481	102	9	θ	θ	NOUN
ap-8481	102	10	=	=	SYM
ap-8481	103	1	90	90	NUM
ap-8481	103	2	°	°	NOUN
ap-8481	103	3	is	be	AUX
ap-8481	103	4	between	between	ADP
ap-8481	103	5	a	a	DET
ap-8481	103	6	column	column	NOUN
ap-8481	103	7	of	of	ADP
ap-8481	103	8	water	water	NOUN
ap-8481	103	9	and	and	CCONJ
ap-8481	103	10	the	the	DET
ap-8481	103	11	fd	fd	PROPN
ap-8481	103	12	direction	direction	NOUN
ap-8481	103	13	.	.	PUNCT
ap-8481	104	1	dr	dr	PROPN
ap-8481	104	2	=	=	PROPN
ap-8481	104	3	dt	dt	PROPN
ap-8481	105	1	−	−	PROPN
ap-8481	105	2	l	l	NOUN
ap-8481	105	3	∗	∗	X
ap-8481	105	4	cos	cos	X
ap-8481	105	5	(	(	PUNCT
ap-8481	105	6	θ	θ	NOUN
ap-8481	105	7	)	)	PUNCT
ap-8481	105	8	,	,	PUNCT
ap-8481	105	9	(	(	PUNCT
ap-8481	105	10	13	13	NUM
ap-8481	105	11	)	)	PUNCT
ap-8481	105	12	where	where	SCONJ
ap-8481	105	13	the	the	DET
ap-8481	105	14	distance	distance	NOUN
ap-8481	105	15	l	l	NOUN
ap-8481	105	16	is	be	AUX
ap-8481	105	17	separated	separate	VERB
ap-8481	105	18	between	between	ADP
ap-8481	105	19	the	the	DET
ap-8481	105	20	transmitter	transmitter	NOUN
ap-8481	105	21	and	and	CCONJ
ap-8481	105	22	receiver	receiver	NOUN
ap-8481	105	23	.	.	PUNCT
ap-8481	106	1	according	accord	VERB
ap-8481	106	2	to	to	PART
ap-8481	106	3	figure	figure	NOUN
ap-8481	106	4	3	3	NUM
ap-8481	106	5	,	,	PUNCT
ap-8481	106	6	the	the	DET
ap-8481	106	7	delay	delay	NOUN
ap-8481	106	8	in	in	ADP
ap-8481	106	9	the	the	DET
ap-8481	106	10	propagation	propagation	NOUN
ap-8481	106	11	between	between	ADP
ap-8481	106	12	the	the	DET
ap-8481	106	13	transmitter	transmitter	NOUN
ap-8481	106	14	and	and	CCONJ
ap-8481	106	15	the	the	DET
ap-8481	106	16	receiver	receiver	NOUN
ap-8481	106	17	may	may	AUX
ap-8481	106	18	be	be	AUX
ap-8481	106	19	calculated	calculate	VERB
ap-8481	106	20	using	use	VERB
ap-8481	106	21	the	the	DET
ap-8481	106	22	pythagorean	pythagorean	PROPN
ap-8481	106	23	theorem	theorem	NOUN
ap-8481	106	24	of	of	ADP
ap-8481	106	25	right	right	ADJ
ap-8481	106	26	triangles	triangle	NOUN
ap-8481	106	27	,	,	PUNCT
ap-8481	106	28	whether	whether	SCONJ
ap-8481	106	29	the	the	DET
ap-8481	106	30	signal	signal	NOUN
ap-8481	106	31	is	be	AUX
ap-8481	106	32	traveling	travel	VERB
ap-8481	106	33	over	over	ADP
ap-8481	106	34	a	a	DET
ap-8481	106	35	straight	straight	ADJ
ap-8481	106	36	path	path	NOUN
ap-8481	106	37	or	or	CCONJ
ap-8481	106	38	multipath	multipath	NOUN
ap-8481	106	39	.	.	PUNCT
ap-8481	107	1	in	in	ADP
ap-8481	107	2	this	this	DET
ap-8481	107	3	case	case	NOUN
ap-8481	107	4	,	,	PUNCT
ap-8481	107	5	the	the	DET
ap-8481	107	6	hypotenuse	hypotenuse	NOUN
ap-8481	107	7	reflects	reflect	VERB
ap-8481	107	8	the	the	DET
ap-8481	107	9	time	time	NOUN
ap-8481	107	10	it	it	PRON
ap-8481	107	11	takes	take	VERB
ap-8481	107	12	for	for	SCONJ
ap-8481	107	13	each	each	DET
ap-8481	107	14	reflection	reflection	NOUN
ap-8481	107	15	to	to	PART
ap-8481	107	16	complete	complete	VERB
ap-8481	107	17	its	its	PRON
ap-8481	107	18	propagation	propagation	NOUN
ap-8481	107	19	.	.	PUNCT
ap-8481	108	1	there	there	PRON
ap-8481	108	2	are	be	VERB
ap-8481	108	3	two	two	NUM
ap-8481	108	4	sorts	sort	NOUN
ap-8481	108	5	of	of	ADP
ap-8481	108	6	assumed	assume	VERB
ap-8481	108	7	reverberations	reverberation	NOUN
ap-8481	108	8	:	:	PUNCT
ap-8481	108	9	surface	surface	NOUN
ap-8481	108	10	reflections	reflection	NOUN
ap-8481	108	11	,	,	PUNCT
ap-8481	108	12	in	in	ADP
ap-8481	108	13	which	which	PRON
ap-8481	108	14	the	the	DET
ap-8481	108	15	initial	initial	ADJ
ap-8481	108	16	reflection	reflection	NOUN
ap-8481	108	17	occurs	occur	VERB
ap-8481	108	18	on	on	ADP
ap-8481	108	19	the	the	DET
ap-8481	108	20	surface	surface	NOUN
ap-8481	108	21	,	,	PUNCT
ap-8481	108	22	and	and	CCONJ
ap-8481	108	23	bottom	bottom	ADJ
ap-8481	108	24	reflections	reflection	NOUN
ap-8481	108	25	,	,	PUNCT
ap-8481	108	26	in	in	ADP
ap-8481	108	27	which	which	PRON
ap-8481	108	28	the	the	DET
ap-8481	108	29	initial	initial	ADJ
ap-8481	108	30	reflection	reflection	NOUN
ap-8481	108	31	occurs	occur	VERB
ap-8481	108	32	on	on	ADP
ap-8481	108	33	the	the	DET
ap-8481	108	34	seafloor	seafloor	NOUN
ap-8481	108	35	.	.	PUNCT
ap-8481	109	1	according	accord	VERB
ap-8481	109	2	to	to	ADP
ap-8481	109	3	the	the	DET
ap-8481	109	4	pythagorean	pythagorean	PROPN
ap-8481	109	5	theorem	theorem	NOUN
ap-8481	109	6	in	in	ADP
ap-8481	109	7	a	a	DET
ap-8481	109	8	vast	vast	ADJ
ap-8481	109	9	triangle	triangle	NOUN
ap-8481	109	10	,	,	PUNCT
ap-8481	109	11	s	s	PART
ap-8481	109	12	constitutes	constitute	VERB
ap-8481	109	13	d1	d1	PROPN
ap-8481	109	14	,	,	PUNCT
ap-8481	109	15	which	which	PRON
ap-8481	109	16	shows	show	VERB
ap-8481	109	17	the	the	DET
ap-8481	109	18	propagation	propagation	NOUN
ap-8481	109	19	range	range	NOUN
ap-8481	109	20	by	by	ADP
ap-8481	109	21	the	the	DET
ap-8481	109	22	initial	initial	ADJ
ap-8481	109	23	reflection	reflection	NOUN
ap-8481	109	24	between	between	ADP
ap-8481	109	25	the	the	DET
ap-8481	109	26	transmitter	transmitter	NOUN
ap-8481	109	27	and	and	CCONJ
ap-8481	109	28	the	the	DET
ap-8481	109	29	surface	surface	NOUN
ap-8481	109	30	(	(	PUNCT
ap-8481	109	31	the	the	DET
ap-8481	109	32	magnitude	magnitude	NOUN
ap-8481	109	33	of	of	ADP
ap-8481	109	34	the	the	DET
ap-8481	109	35	vertical	vertical	ADJ
ap-8481	109	36	motion	motion	NOUN
ap-8481	109	37	on	on	ADP
ap-8481	109	38	26	26	NUM
ap-8481	109	39	vol	vol	NOUN
ap-8481	109	40	.	.	PUNCT
ap-8481	110	1	63	63	NUM
ap-8481	110	2	no	no	NOUN
ap-8481	110	3	.	.	PUNCT
ap-8481	111	1	1/2023	1/2023	NUM
ap-8481	111	2	self	self	NOUN
ap-8481	111	3	-	-	PUNCT
ap-8481	111	4	interference	interference	NOUN
ap-8481	111	5	cancellation	cancellation	NOUN
ap-8481	111	6	in	in	ADP
ap-8481	111	7	underwater	underwater	ADJ
ap-8481	111	8	acoustic	acoustic	ADJ
ap-8481	111	9	communications	communication	NOUN
ap-8481	111	10	.	.	PUNCT
ap-8481	111	11	.	.	PUNCT
ap-8481	111	12	.	.	PUNCT
ap-8481	112	1	(	(	PUNCT
ap-8481	112	2	a	a	X
ap-8481	112	3	)	)	PUNCT
ap-8481	112	4	.	.	PUNCT
ap-8481	113	1	surface	surface	NOUN
ap-8481	113	2	reflections	reflection	NOUN
ap-8481	113	3	.	.	PUNCT
ap-8481	114	1	(	(	PUNCT
ap-8481	114	2	b	b	NOUN
ap-8481	114	3	)	)	PUNCT
ap-8481	114	4	.	.	PUNCT
ap-8481	115	1	bottom	bottom	ADJ
ap-8481	115	2	reflections	reflection	NOUN
ap-8481	115	3	.	.	PUNCT
ap-8481	116	1	figure	figure	NOUN
ap-8481	116	2	3	3	NUM
ap-8481	116	3	.	.	PUNCT
ap-8481	117	1	multipath	multipath	NOUN
ap-8481	117	2	reflections	reflection	NOUN
ap-8481	117	3	in	in	ADP
ap-8481	117	4	far	far	ADJ
ap-8481	117	5	channel	channel	NOUN
ap-8481	117	6	.	.	PUNCT
ap-8481	118	1	the	the	DET
ap-8481	118	2	first	first	ADJ
ap-8481	118	3	reflection	reflection	NOUN
ap-8481	118	4	line	line	NOUN
ap-8481	118	5	segment	segment	NOUN
ap-8481	118	6	is	be	AUX
ap-8481	118	7	equal	equal	ADJ
ap-8481	118	8	to	to	ADP
ap-8481	118	9	dt	dt	PROPN
ap-8481	118	10	)	)	PUNCT
ap-8481	118	11	and	and	CCONJ
ap-8481	118	12	then	then	ADV
ap-8481	118	13	to	to	ADP
ap-8481	118	14	the	the	DET
ap-8481	118	15	receiver	receiver	NOUN
ap-8481	118	16	,	,	PUNCT
ap-8481	118	17	d2	d2	PROPN
ap-8481	118	18	(	(	PUNCT
ap-8481	118	19	the	the	DET
ap-8481	118	20	magnitude	magnitude	NOUN
ap-8481	118	21	of	of	ADP
ap-8481	118	22	the	the	DET
ap-8481	118	23	vertical	vertical	ADJ
ap-8481	118	24	motion	motion	NOUN
ap-8481	118	25	on	on	ADP
ap-8481	118	26	the	the	DET
ap-8481	118	27	second	second	ADJ
ap-8481	118	28	reflection	reflection	NOUN
ap-8481	118	29	line	line	NOUN
ap-8481	118	30	segment	segment	NOUN
ap-8481	118	31	is	be	AUX
ap-8481	118	32	equal	equal	ADJ
ap-8481	118	33	to	to	ADP
ap-8481	118	34	dr	dr	PROPN
ap-8481	118	35	)	)	PUNCT
ap-8481	118	36	after	after	ADP
ap-8481	118	37	drawing	draw	VERB
ap-8481	118	38	the	the	DET
ap-8481	118	39	reflected	reflect	VERB
ap-8481	118	40	distance	distance	NOUN
ap-8481	118	41	,	,	PUNCT
ap-8481	118	42	d2	d2	PROPN
ap-8481	118	43	is	be	AUX
ap-8481	118	44	supplied	supply	VERB
ap-8481	118	45	to	to	ADP
ap-8481	118	46	d1	d1	PROPN
ap-8481	118	47	as	as	ADP
ap-8481	118	48	an	an	DET
ap-8481	118	49	extension	extension	NOUN
ap-8481	118	50	.	.	PUNCT
ap-8481	119	1	so	so	ADV
ap-8481	119	2	the	the	DET
ap-8481	119	3	sum	sum	NOUN
ap-8481	119	4	of	of	ADP
ap-8481	119	5	the	the	DET
ap-8481	119	6	vertical	vertical	ADJ
ap-8481	119	7	motion	motion	NOUN
ap-8481	119	8	on	on	ADP
ap-8481	119	9	these	these	DET
ap-8481	119	10	two	two	NUM
ap-8481	119	11	line	line	NOUN
ap-8481	119	12	segments	segment	NOUN
ap-8481	119	13	d1	d1	PROPN
ap-8481	119	14	and	and	CCONJ
ap-8481	119	15	d2	d2	PROPN
ap-8481	119	16	is	be	AUX
ap-8481	119	17	equal	equal	ADJ
ap-8481	119	18	to	to	ADP
ap-8481	119	19	dt	dt	PROPN
ap-8481	119	20	+	+	CCONJ
ap-8481	119	21	dr	dr	PROPN
ap-8481	119	22	.	.	PROPN
ap-8481	120	1	the	the	DET
ap-8481	120	2	side	side	NOUN
ap-8481	120	3	indicated	indicate	VERB
ap-8481	120	4	by	by	ADP
ap-8481	120	5	sy	sy	PROPN
ap-8481	120	6	is	be	AUX
ap-8481	120	7	perpendicular	perpendicular	ADJ
ap-8481	120	8	to	to	ADP
ap-8481	120	9	the	the	DET
ap-8481	120	10	hypotenuse	hypotenuse	NOUN
ap-8481	120	11	,	,	PUNCT
ap-8481	120	12	while	while	SCONJ
ap-8481	120	13	the	the	DET
ap-8481	120	14	side	side	NOUN
ap-8481	120	15	indicated	indicate	VERB
ap-8481	120	16	by	by	ADP
ap-8481	120	17	sx	sx	PROPN
ap-8481	120	18	is	be	AUX
ap-8481	120	19	next	next	ADJ
ap-8481	120	20	to	to	ADP
ap-8481	120	21	it	it	PRON
ap-8481	120	22	.	.	PUNCT
ap-8481	121	1	s	s	PART
ap-8481	122	1	=	=	PUNCT
ap-8481	122	2	√	√	PROPN
ap-8481	122	3	sx	sx	PROPN
ap-8481	122	4	2	2	NUM
ap-8481	123	1	+	+	CCONJ
ap-8481	123	2	sy	sy	PROPN
ap-8481	123	3	2	2	NUM
ap-8481	123	4	(	(	PUNCT
ap-8481	123	5	14	14	NUM
ap-8481	123	6	)	)	PUNCT
ap-8481	123	7	sy	sy	NOUN
ap-8481	124	1	=	=	PUNCT
ap-8481	124	2	dt	dt	PROPN
ap-8481	125	1	+	+	CCONJ
ap-8481	125	2	dr	dr	PROPN
ap-8481	125	3	(	(	PUNCT
ap-8481	125	4	15	15	NUM
ap-8481	125	5	)	)	PUNCT
ap-8481	125	6	sx	sx	NOUN
ap-8481	125	7	=	=	PUNCT
ap-8481	125	8	(	(	PUNCT
ap-8481	125	9	dt	dt	X
ap-8481	125	10	+	+	CCONJ
ap-8481	125	11	dr	dr	PROPN
ap-8481	125	12	)	)	PUNCT
ap-8481	125	13	tan	tan	PROPN
ap-8481	125	14	θ	θ	PROPN
ap-8481	125	15	(	(	PUNCT
ap-8481	125	16	16	16	NUM
ap-8481	125	17	)	)	PUNCT
ap-8481	125	18	for	for	ADP
ap-8481	125	19	every	every	DET
ap-8481	125	20	number	number	NOUN
ap-8481	125	21	of	of	ADP
ap-8481	125	22	surface	surface	NOUN
ap-8481	125	23	reflections	reflection	NOUN
ap-8481	125	24	,	,	PUNCT
ap-8481	125	25	n	n	CCONJ
ap-8481	125	26	,	,	PUNCT
ap-8481	125	27	between	between	ADP
ap-8481	125	28	1	1	NUM
ap-8481	125	29	and	and	CCONJ
ap-8481	125	30	n	n	NOUN
ap-8481	125	31	,	,	PUNCT
ap-8481	125	32	the	the	DET
ap-8481	125	33	propagation	propagation	NOUN
ap-8481	125	34	delay	delay	NOUN
ap-8481	125	35	is	be	AUX
ap-8481	125	36	calculated	calculate	VERB
ap-8481	125	37	as	as	ADP
ap-8481	125	38	:	:	PUNCT
ap-8481	125	39	syn	syn	NOUN
ap-8481	125	40	=	=	PUNCT
ap-8481	125	41	dt	dt	PROPN
ap-8481	126	1	+	+	PUNCT
ap-8481	127	1	[	[	X
ap-8481	127	2	n	n	X
ap-8481	127	3	2	2	NUM
ap-8481	127	4	]	]	PUNCT
ap-8481	127	5	2dw	2dw	ADJ
ap-8481	127	6	+	+	CCONJ
ap-8481	127	7	(	(	PUNCT
ap-8481	127	8	−1)n+1	−1)n+1	PROPN
ap-8481	127	9	dr	dr	PROPN
ap-8481	127	10	,	,	PUNCT
ap-8481	127	11	(	(	PUNCT
ap-8481	127	12	17	17	NUM
ap-8481	127	13	)	)	PUNCT
ap-8481	127	14	where	where	SCONJ
ap-8481	127	15	dw	dw	PROPN
ap-8481	127	16	is	be	AUX
ap-8481	127	17	the	the	DET
ap-8481	127	18	water	water	NOUN
ap-8481	127	19	depth	depth	NOUN
ap-8481	127	20	.	.	PUNCT
ap-8481	128	1	tsn	tsn	PROPN
ap-8481	129	1	=	=	PUNCT
ap-8481	130	1	(	(	PUNCT
ap-8481	130	2	√	√	NUM
ap-8481	130	3	(	(	PUNCT
ap-8481	130	4	dt	dt	X
ap-8481	130	5	+	+	CCONJ
ap-8481	130	6	dr)2	dr)2	PROPN
ap-8481	130	7	tan2	tan2	NOUN
ap-8481	130	8	θ	θ	PROPN
ap-8481	131	1	+	+	CCONJ
ap-8481	131	2	(	(	PUNCT
ap-8481	131	3	dt	dt	X
ap-8481	131	4	+	+	PUNCT
ap-8481	132	1	[	[	X
ap-8481	132	2	n	n	X
ap-8481	132	3	2	2	NUM
ap-8481	132	4	]	]	PUNCT
ap-8481	132	5	2dw	2dw	ADJ
ap-8481	132	6	+	+	CCONJ
ap-8481	132	7	(	(	PUNCT
ap-8481	132	8	−1)n+1	−1)n+1	VERB
ap-8481	132	9	dr	dr	PROPN
ap-8481	132	10	)	)	PUNCT
ap-8481	132	11	2	2	NUM
ap-8481	132	12	)	)	PUNCT
ap-8481	132	13	/c	/c	PUNCT
ap-8481	133	1	(	(	PUNCT
ap-8481	133	2	18	18	NUM
ap-8481	133	3	)	)	PUNCT
ap-8481	133	4	the	the	DET
ap-8481	133	5	same	same	ADJ
ap-8481	133	6	method	method	NOUN
ap-8481	133	7	is	be	AUX
ap-8481	133	8	used	use	VERB
ap-8481	133	9	to	to	PART
ap-8481	133	10	calculate	calculate	VERB
ap-8481	133	11	the	the	DET
ap-8481	133	12	time	time	NOUN
ap-8481	133	13	taken	take	VERB
ap-8481	133	14	for	for	ADP
ap-8481	133	15	a	a	DET
ap-8481	133	16	single	single	ADJ
ap-8481	133	17	bottom	bottom	ADJ
ap-8481	133	18	reflection	reflection	NOUN
ap-8481	133	19	to	to	PART
ap-8481	133	20	propagate	propagate	VERB
ap-8481	133	21	.	.	PUNCT
ap-8481	134	1	as	as	SCONJ
ap-8481	134	2	illustrated	illustrate	VERB
ap-8481	134	3	in	in	ADP
ap-8481	134	4	figure	figure	NOUN
ap-8481	134	5	9	9	NUM
ap-8481	134	6	and	and	CCONJ
ap-8481	134	7	the	the	DET
ap-8481	134	8	corresponding	corresponding	ADJ
ap-8481	134	9	equation	equation	NOUN
ap-8481	134	10	,	,	PUNCT
ap-8481	134	11	bx	bx	PROPN
ap-8481	134	12	is	be	AUX
ap-8481	134	13	unaffected	unaffected	ADJ
ap-8481	134	14	by	by	ADP
ap-8481	134	15	the	the	DET
ap-8481	134	16	number	number	NOUN
ap-8481	134	17	of	of	ADP
ap-8481	134	18	reflections	reflection	NOUN
ap-8481	134	19	,	,	PUNCT
ap-8481	134	20	whereas	whereas	SCONJ
ap-8481	134	21	by	by	ADP
ap-8481	134	22	does	do	AUX
ap-8481	134	23	change	change	VERB
ap-8481	134	24	.	.	PUNCT
ap-8481	135	1	b	b	X
ap-8481	135	2	=	=	PUNCT
ap-8481	135	3	√	√	PROPN
ap-8481	135	4	bx	bx	NOUN
ap-8481	135	5	2	2	NUM
ap-8481	135	6	+	+	CCONJ
ap-8481	135	7	by	by	ADP
ap-8481	135	8	2	2	NUM
ap-8481	135	9	(	(	PUNCT
ap-8481	135	10	19	19	NUM
ap-8481	135	11	)	)	PUNCT
ap-8481	135	12	by	by	ADP
ap-8481	135	13	=	=	PUNCT
ap-8481	135	14	dt	dt	PROPN
ap-8481	136	1	+	+	CCONJ
ap-8481	136	2	dr	dr	PROPN
ap-8481	136	3	(	(	PUNCT
ap-8481	136	4	20	20	NUM
ap-8481	136	5	)	)	PUNCT
ap-8481	136	6	bx	bx	NOUN
ap-8481	136	7	=	=	PUNCT
ap-8481	136	8	(	(	PUNCT
ap-8481	136	9	dt	dt	X
ap-8481	136	10	−	−	PROPN
ap-8481	136	11	dr	dr	PROPN
ap-8481	136	12	)	)	PUNCT
ap-8481	136	13	tan	tan	PROPN
ap-8481	136	14	θ	θ	PROPN
ap-8481	136	15	(	(	PUNCT
ap-8481	136	16	21	21	NUM
ap-8481	136	17	)	)	PUNCT
ap-8481	136	18	for	for	ADP
ap-8481	136	19	every	every	DET
ap-8481	136	20	number	number	NOUN
ap-8481	136	21	of	of	ADP
ap-8481	136	22	bottom	bottom	ADJ
ap-8481	136	23	reflections	reflection	NOUN
ap-8481	136	24	,	,	PUNCT
ap-8481	136	25	n	n	CCONJ
ap-8481	136	26	,	,	PUNCT
ap-8481	136	27	between	between	ADP
ap-8481	136	28	1	1	NUM
ap-8481	136	29	and	and	CCONJ
ap-8481	136	30	n	n	NOUN
ap-8481	136	31	,	,	PUNCT
ap-8481	136	32	the	the	DET
ap-8481	136	33	propagation	propagation	NOUN
ap-8481	136	34	delay	delay	NOUN
ap-8481	136	35	is	be	AUX
ap-8481	136	36	calculated	calculate	VERB
ap-8481	136	37	as	as	ADP
ap-8481	136	38	:	:	PUNCT
ap-8481	136	39	byn	byn	PROPN
ap-8481	136	40	=	=	PUNCT
ap-8481	137	1	[	[	X
ap-8481	137	2	n	n	X
ap-8481	137	3	2	2	NUM
ap-8481	137	4	]	]	PUNCT
ap-8481	137	5	2dw	2dw	ADJ
ap-8481	137	6	−	−	PROPN
ap-8481	137	7	(	(	PUNCT
ap-8481	137	8	dt	dt	X
ap-8481	137	9	+	+	CCONJ
ap-8481	137	10	(	(	PUNCT
ap-8481	137	11	−1)n+1	−1)n+1	PROPN
ap-8481	137	12	dr	dr	PROPN
ap-8481	137	13	)	)	PUNCT
ap-8481	137	14	(	(	PUNCT
ap-8481	137	15	22	22	NUM
ap-8481	137	16	)	)	PUNCT
ap-8481	137	17	27	27	NUM
ap-8481	137	18	hala	hala	PROPN
ap-8481	137	19	a.	a.	PROPN
ap-8481	137	20	naman	naman	PROPN
ap-8481	137	21	,	,	PUNCT
ap-8481	137	22	ammar	ammar	PROPN
ap-8481	137	23	e.	e.	PROPN
ap-8481	137	24	abdelkareem	abdelkareem	PROPN
ap-8481	137	25	acta	acta	PROPN
ap-8481	137	26	polytechnica	polytechnica	PROPN
ap-8481	137	27	the	the	DET
ap-8481	137	28	propagation	propagation	NOUN
ap-8481	137	29	delay	delay	NOUN
ap-8481	137	30	for	for	ADP
ap-8481	137	31	any	any	DET
ap-8481	137	32	number	number	NOUN
ap-8481	137	33	of	of	ADP
ap-8481	137	34	reflections	reflection	NOUN
ap-8481	137	35	is	be	AUX
ap-8481	137	36	computed	compute	VERB
ap-8481	137	37	depending	depend	VERB
ap-8481	137	38	on	on	ADP
ap-8481	137	39	the	the	DET
ap-8481	137	40	velocity	velocity	NOUN
ap-8481	137	41	formula	formula	NOUN
ap-8481	137	42	:	:	PUNCT
ap-8481	138	1	tbn	tbn	NOUN
ap-8481	138	2	=	=	SYM
ap-8481	138	3	(	(	PUNCT
ap-8481	138	4	√	√	NUM
ap-8481	138	5	(	(	PUNCT
ap-8481	138	6	dt	dt	NOUN
ap-8481	138	7	−	−	PROPN
ap-8481	138	8	dr)2	dr)2	PROPN
ap-8481	138	9	tan2	tan2	PROPN
ap-8481	138	10	θ	θ	PROPN
ap-8481	139	1	+	+	PUNCT
ap-8481	139	2	(	(	PUNCT
ap-8481	139	3	[	[	X
ap-8481	139	4	n	n	X
ap-8481	139	5	2	2	NUM
ap-8481	139	6	]	]	PUNCT
ap-8481	140	1	2dw	2dw	ADJ
ap-8481	140	2	−	−	PROPN
ap-8481	140	3	(	(	PUNCT
ap-8481	140	4	dt	dt	X
ap-8481	140	5	+	+	CCONJ
ap-8481	140	6	(	(	PUNCT
ap-8481	140	7	−1)n+1	−1)n+1	PROPN
ap-8481	140	8	dr	dr	PROPN
ap-8481	140	9	)	)	PUNCT
ap-8481	140	10	)	)	PUNCT
ap-8481	140	11	2	2	X
ap-8481	140	12	)	)	PUNCT
ap-8481	140	13	/c	/c	PUNCT
ap-8481	140	14	(	(	PUNCT
ap-8481	140	15	23	23	NUM
ap-8481	140	16	)	)	PUNCT
ap-8481	140	17	for	for	ADP
ap-8481	140	18	normal	normal	ADJ
ap-8481	140	19	incidence	incidence	NOUN
ap-8481	140	20	waves	wave	NOUN
ap-8481	140	21	at	at	ADP
ap-8481	140	22	the	the	DET
ap-8481	140	23	ocean	ocean	NOUN
ap-8481	140	24	’s	’s	PART
ap-8481	140	25	surface	surface	NOUN
ap-8481	140	26	boundary	boundary	NOUN
ap-8481	140	27	,	,	PUNCT
ap-8481	140	28	the	the	DET
ap-8481	140	29	pressure	pressure	NOUN
ap-8481	140	30	reflection	reflection	NOUN
ap-8481	140	31	coefficient	coefficient	NOUN
ap-8481	140	32	is	be	AUX
ap-8481	140	33	around	around	ADV
ap-8481	140	34	-1	-1	PUNCT
ap-8481	140	35	,	,	PUNCT
ap-8481	140	36	whereas	whereas	SCONJ
ap-8481	140	37	for	for	ADP
ap-8481	140	38	waves	wave	NOUN
ap-8481	140	39	reflected	reflect	VERB
ap-8481	140	40	off	off	ADP
ap-8481	140	41	the	the	DET
ap-8481	140	42	ocean	ocean	NOUN
ap-8481	140	43	floor	floor	NOUN
ap-8481	140	44	,	,	PUNCT
ap-8481	140	45	it	it	PRON
ap-8481	140	46	is	be	AUX
ap-8481	140	47	roughly	roughly	ADV
ap-8481	140	48	1	1	NUM
ap-8481	140	49	.	.	PUNCT
ap-8481	140	50	reflections	reflection	NOUN
ap-8481	140	51	from	from	ADP
ap-8481	140	52	surfaces	surface	NOUN
ap-8481	140	53	that	that	PRON
ap-8481	140	54	are	be	AUX
ap-8481	140	55	evenly	evenly	ADV
ap-8481	140	56	spaced	space	VERB
ap-8481	140	57	contribute	contribute	NOUN
ap-8481	140	58	positively	positively	ADV
ap-8481	140	59	at	at	ADP
ap-8481	140	60	the	the	DET
ap-8481	140	61	receiver	receiver	NOUN
ap-8481	140	62	,	,	PUNCT
ap-8481	140	63	whereas	whereas	SCONJ
ap-8481	140	64	reflections	reflection	NOUN
ap-8481	140	65	from	from	ADP
ap-8481	140	66	uneven	uneven	ADJ
ap-8481	140	67	surfaces	surface	NOUN
ap-8481	140	68	or	or	CCONJ
ap-8481	140	69	the	the	DET
ap-8481	140	70	bottom	bottom	NOUN
ap-8481	140	71	negatively	negatively	ADV
ap-8481	140	72	.	.	PUNCT
ap-8481	141	1	figure	figure	VERB
ap-8481	141	2	4	4	NUM
ap-8481	141	3	shows	show	VERB
ap-8481	141	4	the	the	DET
ap-8481	141	5	far	far	ADJ
ap-8481	141	6	channel	channel	NOUN
ap-8481	141	7	response	response	NOUN
ap-8481	141	8	of	of	ADP
ap-8481	141	9	the	the	DET
ap-8481	141	10	multipath	multipath	NOUN
ap-8481	141	11	between	between	ADP
ap-8481	141	12	the	the	DET
ap-8481	141	13	source	source	NOUN
ap-8481	141	14	and	and	CCONJ
ap-8481	141	15	the	the	DET
ap-8481	141	16	receiver	receiver	NOUN
ap-8481	141	17	.	.	PUNCT
ap-8481	142	1	the	the	DET
ap-8481	142	2	delay	delay	NOUN
ap-8481	142	3	spread	spread	VERB
ap-8481	142	4	of	of	ADP
ap-8481	142	5	the	the	DET
ap-8481	142	6	echoes	echo	NOUN
ap-8481	142	7	in	in	ADP
ap-8481	142	8	the	the	DET
ap-8481	142	9	far	far	ADJ
ap-8481	142	10	channel	channel	NOUN
ap-8481	142	11	was	be	AUX
ap-8481	142	12	as	as	ADV
ap-8481	142	13	high	high	ADJ
ap-8481	142	14	as	as	ADP
ap-8481	142	15	79	79	NUM
ap-8481	142	16	ms	ms	NOUN
ap-8481	142	17	because	because	SCONJ
ap-8481	142	18	of	of	ADP
ap-8481	142	19	the	the	DET
ap-8481	142	20	multipath	multipath	NOUN
ap-8481	142	21	propagation	propagation	NOUN
ap-8481	142	22	.	.	PUNCT
ap-8481	143	1	this	this	PRON
ap-8481	143	2	is	be	AUX
ap-8481	143	3	because	because	SCONJ
ap-8481	143	4	the	the	DET
ap-8481	143	5	arrival	arrival	NOUN
ap-8481	143	6	times	time	NOUN
ap-8481	143	7	,	,	PUNCT
ap-8481	143	8	amplitudes	amplitude	NOUN
ap-8481	143	9	,	,	PUNCT
ap-8481	143	10	and	and	CCONJ
ap-8481	143	11	phases	phase	NOUN
ap-8481	143	12	of	of	ADP
ap-8481	143	13	signals	signal	NOUN
ap-8481	143	14	change	change	VERB
ap-8481	143	15	depending	depend	VERB
ap-8481	143	16	on	on	ADP
ap-8481	143	17	the	the	DET
ap-8481	143	18	lengths	length	NOUN
ap-8481	143	19	of	of	ADP
ap-8481	143	20	their	their	PRON
ap-8481	143	21	original	original	ADJ
ap-8481	143	22	signal	signal	NOUN
ap-8481	143	23	routes	route	NOUN
ap-8481	143	24	and	and	CCONJ
ap-8481	143	25	the	the	DET
ap-8481	143	26	delay	delay	NOUN
ap-8481	143	27	spread	spread	VERB
ap-8481	143	28	.	.	PUNCT
ap-8481	144	1	intersymbol	intersymbol	NOUN
ap-8481	144	2	interference	interference	NOUN
ap-8481	144	3	is	be	AUX
ap-8481	144	4	caused	cause	VERB
ap-8481	144	5	by	by	ADP
ap-8481	144	6	the	the	DET
ap-8481	144	7	delayed	delay	VERB
ap-8481	144	8	receiver	receiver	ADJ
ap-8481	144	9	copies	copy	NOUN
ap-8481	144	10	;	;	PUNCT
ap-8481	144	11	hence	hence	ADV
ap-8481	144	12	,	,	PUNCT
ap-8481	144	13	the	the	DET
ap-8481	144	14	propagation	propagation	NOUN
ap-8481	144	15	delay	delay	NOUN
ap-8481	144	16	of	of	ADP
ap-8481	144	17	the	the	DET
ap-8481	144	18	multipath	multipath	NOUN
ap-8481	144	19	compared	compare	VERB
ap-8481	144	20	to	to	ADP
ap-8481	144	21	the	the	DET
ap-8481	144	22	direct	direct	ADJ
ap-8481	144	23	path	path	NOUN
ap-8481	144	24	is	be	AUX
ap-8481	144	25	an	an	DET
ap-8481	144	26	important	important	ADJ
ap-8481	144	27	feature	feature	NOUN
ap-8481	144	28	of	of	ADP
ap-8481	144	29	the	the	DET
ap-8481	144	30	underwater	underwater	ADJ
ap-8481	144	31	channel	channel	NOUN
ap-8481	144	32	.	.	PUNCT
ap-8481	145	1	figure	figure	VERB
ap-8481	145	2	4	4	NUM
ap-8481	145	3	.	.	PUNCT
ap-8481	145	4	far	far	ADJ
ap-8481	145	5	magnitude	magnitude	NOUN
ap-8481	145	6	cir	cir	NOUN
ap-8481	145	7	with	with	ADP
ap-8481	145	8	l=1000	l=1000	PROPN
ap-8481	145	9	.	.	PUNCT
ap-8481	146	1	the	the	DET
ap-8481	146	2	bellhop	bellhop	PROPN
ap-8481	146	3	simulator	simulator	NOUN
ap-8481	146	4	[	[	X
ap-8481	146	5	19	19	NUM
ap-8481	146	6	]	]	PUNCT
ap-8481	146	7	is	be	AUX
ap-8481	146	8	used	use	VERB
ap-8481	146	9	to	to	PART
ap-8481	146	10	evaluate	evaluate	VERB
ap-8481	146	11	the	the	DET
ap-8481	146	12	effectiveness	effectiveness	NOUN
ap-8481	146	13	of	of	ADP
ap-8481	146	14	the	the	DET
ap-8481	146	15	proposed	propose	VERB
ap-8481	146	16	model	model	NOUN
ap-8481	146	17	with	with	ADP
ap-8481	146	18	the	the	DET
ap-8481	146	19	same	same	ADJ
ap-8481	146	20	configuration	configuration	NOUN
ap-8481	146	21	parameters	parameter	NOUN
ap-8481	146	22	(	(	PUNCT
ap-8481	146	23	dw	dw	PROPN
ap-8481	146	24	,	,	PUNCT
ap-8481	146	25	dr	dr	PROPN
ap-8481	146	26	,	,	PUNCT
ap-8481	146	27	dt	dt	X
ap-8481	146	28	,	,	PUNCT
ap-8481	146	29	l	l	NOUN
ap-8481	146	30	,	,	PUNCT
ap-8481	146	31	f	f	NOUN
ap-8481	146	32	)	)	PUNCT
ap-8481	146	33	as	as	SCONJ
ap-8481	146	34	shown	show	VERB
ap-8481	146	35	in	in	ADP
ap-8481	146	36	figures	figure	NOUN
ap-8481	146	37	5a	5a	NUM
ap-8481	146	38	and	and	CCONJ
ap-8481	146	39	5b	5b	NUM
ap-8481	146	40	,	,	PUNCT
ap-8481	146	41	where	where	SCONJ
ap-8481	146	42	the	the	DET
ap-8481	146	43	red	red	ADJ
ap-8481	146	44	path	path	NOUN
ap-8481	146	45	indicates	indicate	VERB
ap-8481	146	46	a	a	DET
ap-8481	146	47	direct	direct	ADJ
ap-8481	146	48	path	path	NOUN
ap-8481	146	49	or	or	CCONJ
ap-8481	146	50	a	a	DET
ap-8481	146	51	signal	signal	NOUN
ap-8481	146	52	that	that	SCONJ
ap-8481	146	53	originates	originate	NOUN
ap-8481	146	54	at	at	ADP
ap-8481	146	55	the	the	DET
ap-8481	146	56	sea	sea	NOUN
ap-8481	146	57	floor	floor	NOUN
ap-8481	146	58	and	and	CCONJ
ap-8481	146	59	refracts	refract	NOUN
ap-8481	146	60	or	or	CCONJ
ap-8481	146	61	diverges	diverge	VERB
ap-8481	146	62	upwards	upwards	ADV
ap-8481	146	63	until	until	SCONJ
ap-8481	146	64	it	it	PRON
ap-8481	146	65	encounters	encounter	VERB
ap-8481	146	66	a	a	DET
ap-8481	146	67	steep	steep	ADJ
ap-8481	146	68	positive	positive	ADJ
ap-8481	146	69	sound	sound	NOUN
ap-8481	146	70	speed	speed	NOUN
ap-8481	146	71	gradient	gradient	NOUN
ap-8481	146	72	at	at	ADP
ap-8481	146	73	which	which	DET
ap-8481	146	74	point	point	NOUN
ap-8481	146	75	it	it	PRON
ap-8481	146	76	refracts	refract	VERB
ap-8481	146	77	downwards	downwards	ADV
ap-8481	146	78	.	.	PUNCT
ap-8481	147	1	by	by	ADP
ap-8481	147	2	reflecting	reflect	VERB
ap-8481	147	3	off	off	ADP
ap-8481	147	4	of	of	ADP
ap-8481	147	5	the	the	DET
ap-8481	147	6	water	water	NOUN
ap-8481	147	7	’s	’s	PART
ap-8481	147	8	surface	surface	NOUN
ap-8481	147	9	and/or	and/or	CCONJ
ap-8481	147	10	bottom	bottom	NOUN
ap-8481	147	11	,	,	PUNCT
ap-8481	147	12	the	the	DET
ap-8481	147	13	signal	signal	NOUN
ap-8481	147	14	may	may	AUX
ap-8481	147	15	make	make	VERB
ap-8481	147	16	its	its	PRON
ap-8481	147	17	way	way	NOUN
ap-8481	147	18	to	to	ADP
ap-8481	147	19	the	the	DET
ap-8481	147	20	receiver	receiver	NOUN
ap-8481	147	21	via	via	ADP
ap-8481	147	22	the	the	DET
ap-8481	147	23	water	water	NOUN
ap-8481	147	24	’s	’s	PART
ap-8481	147	25	green	green	ADJ
ap-8481	147	26	route	route	NOUN
ap-8481	147	27	.	.	PUNCT
ap-8481	148	1	in	in	ADP
ap-8481	148	2	this	this	DET
ap-8481	148	3	case	case	NOUN
ap-8481	148	4	,	,	PUNCT
ap-8481	148	5	the	the	DET
ap-8481	148	6	black	black	ADJ
ap-8481	148	7	routes	route	NOUN
ap-8481	148	8	indicate	indicate	VERB
ap-8481	148	9	an	an	DET
ap-8481	148	10	increase	increase	NOUN
ap-8481	148	11	in	in	ADP
ap-8481	148	12	multipath	multipath	NOUN
ap-8481	148	13	components	component	NOUN
ap-8481	148	14	at	at	ADP
ap-8481	148	15	the	the	DET
ap-8481	148	16	receiver	receiver	NOUN
ap-8481	148	17	as	as	ADP
ap-8481	148	18	a	a	DET
ap-8481	148	19	result	result	NOUN
ap-8481	148	20	of	of	ADP
ap-8481	148	21	a	a	DET
ap-8481	148	22	more	more	ADV
ap-8481	148	23	significant	significant	ADJ
ap-8481	148	24	number	number	NOUN
ap-8481	148	25	of	of	ADP
ap-8481	148	26	potential	potential	ADJ
ap-8481	148	27	paths	path	NOUN
ap-8481	148	28	reflected	reflect	VERB
ap-8481	148	29	off	off	ADP
ap-8481	148	30	of	of	ADP
ap-8481	148	31	the	the	DET
ap-8481	148	32	sea	sea	NOUN
ap-8481	148	33	surface	surface	NOUN
ap-8481	148	34	and	and	CCONJ
ap-8481	148	35	the	the	DET
ap-8481	148	36	uneven	uneven	ADJ
ap-8481	148	37	sea	sea	NOUN
ap-8481	148	38	bottom	bottom	NOUN
ap-8481	148	39	.	.	PUNCT
ap-8481	149	1	results	result	NOUN
ap-8481	149	2	are	be	AUX
ap-8481	149	3	relatively	relatively	ADV
ap-8481	149	4	comparable	comparable	ADJ
ap-8481	149	5	when	when	SCONJ
ap-8481	149	6	comparing	compare	VERB
ap-8481	149	7	the	the	DET
ap-8481	149	8	delay	delay	NOUN
ap-8481	149	9	spread	spread	NOUN
ap-8481	149	10	of	of	ADP
ap-8481	149	11	the	the	DET
ap-8481	149	12	suggested	suggest	VERB
ap-8481	149	13	model	model	NOUN
ap-8481	149	14	(	(	PUNCT
ap-8481	149	15	79	79	NUM
ap-8481	149	16	ms	ms	NOUN
ap-8481	149	17	)	)	PUNCT
ap-8481	149	18	to	to	ADP
ap-8481	149	19	those	those	PRON
ap-8481	149	20	of	of	ADP
ap-8481	149	21	the	the	DET
ap-8481	149	22	bellhop	bellhop	PROPN
ap-8481	149	23	simulator	simulator	NOUN
ap-8481	149	24	[	[	X
ap-8481	149	25	19	19	NUM
ap-8481	149	26	]	]	X
ap-8481	149	27	(	(	PUNCT
ap-8481	149	28	78	78	NUM
ap-8481	149	29	ms	ms	NOUN
ap-8481	149	30	)	)	PUNCT
ap-8481	149	31	.	.	PUNCT
ap-8481	150	1	(	(	PUNCT
ap-8481	150	2	a	a	X
ap-8481	150	3	)	)	PUNCT
ap-8481	150	4	.	.	PUNCT
ap-8481	151	1	ray	ray	NOUN
ap-8481	151	2	trace	trace	NOUN
ap-8481	151	3	.	.	PUNCT
ap-8481	152	1	(	(	PUNCT
ap-8481	152	2	b	b	NOUN
ap-8481	152	3	)	)	PUNCT
ap-8481	152	4	.	.	PUNCT
ap-8481	153	1	cir	cir	PROPN
ap-8481	153	2	.	.	PUNCT
ap-8481	153	3	figure	figure	NOUN
ap-8481	153	4	5	5	NUM
ap-8481	153	5	.	.	PUNCT
ap-8481	154	1	bellhop	bellhop	PROPN
ap-8481	154	2	’s	’s	PART
ap-8481	154	3	multipath	multipath	NOUN
ap-8481	154	4	propagation	propagation	NOUN
ap-8481	154	5	setting	set	VERB
ap-8481	154	6	in	in	ADP
ap-8481	154	7	underwater	underwater	NOUN
ap-8481	154	8	.	.	PUNCT
ap-8481	155	1	28	28	NUM
ap-8481	155	2	vol	vol	NOUN
ap-8481	155	3	.	.	PUNCT
ap-8481	155	4	63	63	NUM
ap-8481	155	5	no	no	NOUN
ap-8481	155	6	.	.	PUNCT
ap-8481	156	1	1/2023	1/2023	NUM
ap-8481	156	2	self	self	NOUN
ap-8481	156	3	-	-	PUNCT
ap-8481	156	4	interference	interference	NOUN
ap-8481	156	5	cancellation	cancellation	NOUN
ap-8481	156	6	in	in	ADP
ap-8481	156	7	underwater	underwater	ADJ
ap-8481	156	8	acoustic	acoustic	ADJ
ap-8481	156	9	communications	communication	NOUN
ap-8481	156	10	.	.	PUNCT
ap-8481	156	11	.	.	PUNCT
ap-8481	156	12	.	.	PUNCT
ap-8481	157	1	3.2.2	3.2.2	X
ap-8481	157	2	.	.	PUNCT
ap-8481	157	3	si	si	PROPN
ap-8481	157	4	channel	channel	PROPN
ap-8481	157	5	model	model	NOUN
ap-8481	157	6	the	the	DET
ap-8481	157	7	channel	channel	NOUN
ap-8481	157	8	coefficients	coefficient	NOUN
ap-8481	157	9	and	and	CCONJ
ap-8481	157	10	the	the	DET
ap-8481	157	11	magnitude	magnitude	NOUN
ap-8481	157	12	channel	channel	NOUN
ap-8481	157	13	impulse	impulse	ADJ
ap-8481	157	14	response	response	NOUN
ap-8481	157	15	,	,	PUNCT
ap-8481	157	16	in	in	ADP
ap-8481	157	17	seconds	second	NOUN
ap-8481	157	18	,	,	PUNCT
ap-8481	157	19	for	for	ADP
ap-8481	157	20	the	the	DET
ap-8481	157	21	self	self	NOUN
ap-8481	157	22	node	node	NOUN
ap-8481	157	23	are	be	AUX
ap-8481	157	24	generated	generate	VERB
ap-8481	157	25	based	base	VERB
ap-8481	157	26	on	on	ADP
ap-8481	157	27	the	the	DET
ap-8481	157	28	proposed	propose	VERB
ap-8481	157	29	modelr	modelr	NOUN
ap-8481	157	30	[	[	X
ap-8481	157	31	20	20	NUM
ap-8481	157	32	]	]	PUNCT
ap-8481	157	33	.	.	PUNCT
ap-8481	158	1	due	due	ADP
ap-8481	158	2	to	to	ADP
ap-8481	158	3	the	the	DET
ap-8481	158	4	fluid	fluid	ADJ
ap-8481	158	5	nature	nature	NOUN
ap-8481	158	6	of	of	ADP
ap-8481	158	7	the	the	DET
ap-8481	158	8	marine	marine	PROPN
ap-8481	158	9	environment	environment	NOUN
ap-8481	158	10	,	,	PUNCT
ap-8481	158	11	including	include	VERB
ap-8481	158	12	the	the	DET
ap-8481	158	13	movement	movement	NOUN
ap-8481	158	14	of	of	ADP
ap-8481	158	15	organisms	organism	NOUN
ap-8481	158	16	and	and	CCONJ
ap-8481	158	17	ships	ship	NOUN
ap-8481	158	18	,	,	PUNCT
ap-8481	158	19	the	the	DET
ap-8481	158	20	fd	fd	PROPN
ap-8481	158	21	may	may	AUX
ap-8481	158	22	be	be	AUX
ap-8481	158	23	displaced	displace	VERB
ap-8481	158	24	from	from	ADP
ap-8481	158	25	the	the	DET
ap-8481	158	26	vertical	vertical	ADJ
ap-8481	158	27	direction	direction	NOUN
ap-8481	158	28	at	at	ADP
ap-8481	158	29	varying	vary	VERB
ap-8481	158	30	angles	angle	NOUN
ap-8481	158	31	with	with	ADP
ap-8481	158	32	the	the	DET
ap-8481	158	33	water	water	NOUN
ap-8481	158	34	column	column	NOUN
ap-8481	158	35	.	.	PUNCT
ap-8481	159	1	this	this	DET
ap-8481	159	2	research	research	NOUN
ap-8481	159	3	assumes	assume	VERB
ap-8481	159	4	two	two	NUM
ap-8481	159	5	situations	situation	NOUN
ap-8481	159	6	to	to	PART
ap-8481	159	7	describe	describe	VERB
ap-8481	159	8	a	a	DET
ap-8481	159	9	self	self	NOUN
ap-8481	159	10	-	-	PUNCT
ap-8481	159	11	interference	interference	NOUN
ap-8481	159	12	channel	channel	NOUN
ap-8481	159	13	:	:	PUNCT
ap-8481	159	14	one	one	NUM
ap-8481	159	15	in	in	ADP
ap-8481	159	16	which	which	PRON
ap-8481	159	17	the	the	DET
ap-8481	159	18	angle	angle	NOUN
ap-8481	159	19	between	between	ADP
ap-8481	159	20	the	the	DET
ap-8481	159	21	water	water	NOUN
ap-8481	159	22	column	column	NOUN
ap-8481	159	23	and	and	CCONJ
ap-8481	159	24	the	the	DET
ap-8481	159	25	fd	fd	PROPN
ap-8481	159	26	direction	direction	NOUN
ap-8481	159	27	is	be	AUX
ap-8481	159	28	0	0	NUM
ap-8481	159	29	degrees	degree	NOUN
ap-8481	159	30	and	and	CCONJ
ap-8481	159	31	another	another	PRON
ap-8481	159	32	in	in	ADP
ap-8481	159	33	which	which	PRON
ap-8481	159	34	it	it	PRON
ap-8481	159	35	is	be	AUX
ap-8481	159	36	4	4	NUM
ap-8481	159	37	degrees	degree	NOUN
ap-8481	159	38	,	,	PUNCT
ap-8481	159	39	as	as	SCONJ
ap-8481	159	40	seen	see	VERB
ap-8481	159	41	in	in	ADP
ap-8481	159	42	figure	figure	NOUN
ap-8481	159	43	6	6	NUM
ap-8481	159	44	.	.	PUNCT
ap-8481	160	1	(	(	PUNCT
ap-8481	160	2	a	a	NOUN
ap-8481	160	3	)	)	PUNCT
ap-8481	160	4	.	.	PUNCT
ap-8481	161	1	θ	θ	X
ap-8481	161	2	=	=	PUNCT
ap-8481	162	1	0	0	NUM
ap-8481	162	2	°	°	NUM
ap-8481	162	3	.	.	PUNCT
ap-8481	163	1	(	(	PUNCT
ap-8481	163	2	b	b	NOUN
ap-8481	163	3	)	)	PUNCT
ap-8481	163	4	.	.	PUNCT
ap-8481	164	1	θ	θ	X
ap-8481	164	2	=	=	PUNCT
ap-8481	164	3	4	4	NUM
ap-8481	164	4	°	°	NUM
ap-8481	164	5	.	.	PUNCT
ap-8481	165	1	figure	figure	VERB
ap-8481	165	2	6	6	NUM
ap-8481	165	3	.	.	PUNCT
ap-8481	166	1	si	si	PROPN
ap-8481	166	2	magnitude	magnitude	NOUN
ap-8481	166	3	cir	cir	NOUN
ap-8481	166	4	with	with	ADP
ap-8481	166	5	l=30	l=30	PROPN
ap-8481	166	6	.	.	PUNCT
ap-8481	167	1	3.3	3.3	NUM
ap-8481	167	2	.	.	PUNCT
ap-8481	167	3	structure	structure	NOUN
ap-8481	167	4	of	of	ADP
ap-8481	167	5	the	the	DET
ap-8481	167	6	receiver	receiver	NOUN
ap-8481	167	7	in	in	ADP
ap-8481	167	8	this	this	DET
ap-8481	167	9	section	section	NOUN
ap-8481	167	10	,	,	PUNCT
ap-8481	167	11	we	we	PRON
ap-8481	167	12	propose	propose	VERB
ap-8481	167	13	a	a	DET
ap-8481	167	14	model	model	NOUN
ap-8481	167	15	that	that	PRON
ap-8481	167	16	can	can	AUX
ap-8481	167	17	remove	remove	VERB
ap-8481	167	18	self	self	NOUN
ap-8481	167	19	-	-	PUNCT
ap-8481	167	20	interference	interference	NOUN
ap-8481	167	21	in	in	ADP
ap-8481	167	22	a	a	DET
ap-8481	167	23	full	full	ADJ
ap-8481	167	24	-	-	PUNCT
ap-8481	167	25	duplex	duplex	NOUN
ap-8481	167	26	system	system	NOUN
ap-8481	167	27	by	by	ADP
ap-8481	167	28	separating	separate	VERB
ap-8481	167	29	the	the	DET
ap-8481	167	30	self	self	NOUN
ap-8481	167	31	signal	signal	NOUN
ap-8481	167	32	from	from	ADP
ap-8481	167	33	the	the	DET
ap-8481	167	34	far	far	ADJ
ap-8481	167	35	signal	signal	NOUN
ap-8481	167	36	.	.	PUNCT
ap-8481	168	1	as	as	SCONJ
ap-8481	168	2	mentioned	mention	VERB
ap-8481	168	3	previously	previously	ADV
ap-8481	168	4	,	,	PUNCT
ap-8481	168	5	the	the	DET
ap-8481	168	6	two	two	NUM
ap-8481	168	7	transmitted	transmit	VERB
ap-8481	168	8	signals	signal	NOUN
ap-8481	168	9	pass	pass	VERB
ap-8481	168	10	through	through	ADP
ap-8481	168	11	their	their	PRON
ap-8481	168	12	separate	separate	ADJ
ap-8481	168	13	channels	channel	NOUN
ap-8481	168	14	denoted	denote	VERB
ap-8481	168	15	si	si	NOUN
ap-8481	168	16	channel	channel	NOUN
ap-8481	168	17	and	and	CCONJ
ap-8481	168	18	far	far	ADJ
ap-8481	168	19	channel	channel	NOUN
ap-8481	168	20	,	,	PUNCT
ap-8481	168	21	respectively	respectively	ADV
ap-8481	168	22	,	,	PUNCT
ap-8481	168	23	and	and	CCONJ
ap-8481	168	24	the	the	DET
ap-8481	168	25	summation	summation	NOUN
ap-8481	168	26	of	of	ADP
ap-8481	168	27	them	they	PRON
ap-8481	168	28	with	with	ADP
ap-8481	168	29	awgn	awgn	NOUN
ap-8481	168	30	noise	noise	NOUN
ap-8481	168	31	is	be	AUX
ap-8481	168	32	received	receive	VERB
ap-8481	168	33	by	by	ADP
ap-8481	168	34	the	the	DET
ap-8481	168	35	receiver	receiver	ADJ
ap-8481	168	36	antenna	antenna	NOUN
ap-8481	168	37	of	of	ADP
ap-8481	168	38	the	the	DET
ap-8481	168	39	self	self	NOUN
ap-8481	168	40	node	node	NOUN
ap-8481	168	41	,	,	PUNCT
ap-8481	168	42	rcp	rcp	VERB
ap-8481	168	43	as	as	SCONJ
ap-8481	168	44	shown	show	VERB
ap-8481	168	45	in	in	ADP
ap-8481	168	46	figure	figure	NOUN
ap-8481	168	47	7	7	NUM
ap-8481	168	48	.	.	PUNCT
ap-8481	168	49	figure	figure	NOUN
ap-8481	168	50	7	7	NUM
ap-8481	168	51	.	.	PUNCT
ap-8481	168	52	received	receive	VERB
ap-8481	168	53	signals	signal	NOUN
ap-8481	168	54	.	.	PUNCT
ap-8481	169	1	after	after	ADP
ap-8481	169	2	removing	remove	VERB
ap-8481	169	3	the	the	DET
ap-8481	169	4	cyclic	cyclic	ADJ
ap-8481	169	5	prefix	prefix	NOUN
ap-8481	169	6	and	and	CCONJ
ap-8481	169	7	getting	get	VERB
ap-8481	169	8	fft	fft	NOUN
ap-8481	169	9	from	from	ADP
ap-8481	169	10	the	the	DET
ap-8481	169	11	received	receive	VERB
ap-8481	169	12	signal	signal	NOUN
ap-8481	169	13	rcp	rcp	VERB
ap-8481	169	14	as	as	SCONJ
ap-8481	169	15	illustrated	illustrate	VERB
ap-8481	169	16	in	in	ADP
ap-8481	169	17	figure	figure	NOUN
ap-8481	169	18	8	8	NUM
ap-8481	169	19	,	,	PUNCT
ap-8481	169	20	with	with	ADP
ap-8481	169	21	an	an	DET
ap-8481	169	22	indication	indication	NOUN
ap-8481	169	23	to	to	ADP
ap-8481	169	24	number	number	NOUN
ap-8481	169	25	of	of	ADP
ap-8481	169	26	subcarriers	subcarrier	NOUN
ap-8481	169	27	at	at	ADP
ap-8481	169	28	each	each	DET
ap-8481	169	29	block	block	NOUN
ap-8481	169	30	,	,	PUNCT
ap-8481	169	31	we	we	PRON
ap-8481	169	32	have	have	VERB
ap-8481	169	33	:	:	PUNCT
ap-8481	169	34	r	r	NOUN
ap-8481	169	35	=	=	SYM
ap-8481	169	36	x̃shs	x̃sh	NOUN
ap-8481	170	1	+	+	CCONJ
ap-8481	170	2	x̃f	x̃f	NOUN
ap-8481	170	3	hf	hf	NOUN
ap-8481	170	4	+	+	CCONJ
ap-8481	170	5	n	n	X
ap-8481	170	6	.	.	PUNCT
ap-8481	171	1	(	(	PUNCT
ap-8481	171	2	24	24	NUM
ap-8481	171	3	)	)	PUNCT
ap-8481	171	4	29	29	NUM
ap-8481	171	5	hala	hala	PROPN
ap-8481	171	6	a.	a.	PROPN
ap-8481	171	7	naman	naman	PROPN
ap-8481	171	8	,	,	PUNCT
ap-8481	171	9	ammar	ammar	PROPN
ap-8481	171	10	e.	e.	PROPN
ap-8481	171	11	abdelkareem	abdelkareem	PROPN
ap-8481	171	12	acta	acta	PROPN
ap-8481	171	13	polytechnica	polytechnica	PROPN
ap-8481	171	14	figure	figure	NOUN
ap-8481	171	15	8	8	NUM
ap-8481	171	16	.	.	PUNCT
ap-8481	171	17	structure	structure	NOUN
ap-8481	171	18	of	of	ADP
ap-8481	171	19	sic	sic	ADV
ap-8481	171	20	-	-	PUNCT
ap-8481	171	21	based	base	VERB
ap-8481	171	22	ofdm	ofdm	NOUN
ap-8481	171	23	ibfd	ibfd	VERB
ap-8481	171	24	-	-	PUNCT
ap-8481	171	25	uwa	uwa	NOUN
ap-8481	171	26	communication	communication	NOUN
ap-8481	171	27	system	system	NOUN
ap-8481	171	28	.	.	PUNCT
ap-8481	172	1	whose	whose	DET
ap-8481	172	2	x̃	x̃	PROPN
ap-8481	172	3	referred	refer	VERB
ap-8481	172	4	to	to	ADP
ap-8481	172	5	the	the	DET
ap-8481	172	6	diagonal	diagonal	ADJ
ap-8481	172	7	matrix	matrix	NOUN
ap-8481	172	8	created	create	VERB
ap-8481	172	9	by	by	ADP
ap-8481	172	10	x.	x.	NOUN
ap-8481	172	11	x	x	PUNCT
ap-8481	173	1	=	=	PUNCT
ap-8481	174	1	[	[	X
ap-8481	174	2	x1	x1	PROPN
ap-8481	174	3	,	,	PUNCT
ap-8481	174	4	x2	x2	PROPN
ap-8481	174	5	,	,	PUNCT
ap-8481	174	6	.	.	PUNCT
ap-8481	174	7	.	.	PUNCT
ap-8481	175	1	.	.	PUNCT
ap-8481	176	1	,	,	PUNCT
ap-8481	176	2	xn	xn	PROPN
ap-8481	177	1	]	]	X
ap-8481	177	2	t	t	X
ap-8481	177	3	x̃	x̃	PROPN
ap-8481	177	4	=	=	PUNCT
ap-8481	177	5			PROPN
ap-8481	177	6	x1	x1	NOUN
ap-8481	177	7	0	0	NUM
ap-8481	177	8	0	0	NUM
ap-8481	177	9	0	0	NUM
ap-8481	177	10	0	0	NUM
ap-8481	178	1	x2	x2	NOUN
ap-8481	178	2	0	0	NUM
ap-8481	178	3	0	0	NUM
ap-8481	178	4	0	0	NUM
ap-8481	178	5	0	0	NUM
ap-8481	178	6	.	.	PUNCT
ap-8481	178	7	.	.	PUNCT
ap-8481	178	8	.	.	PUNCT
ap-8481	179	1	...	...	PUNCT
ap-8481	180	1	0	0	NUM
ap-8481	180	2	0	0	NUM
ap-8481	180	3	.	.	PUNCT
ap-8481	180	4	.	.	PUNCT
ap-8481	180	5	.	.	PUNCT
ap-8481	181	1	xn	xn	PROPN
ap-8481	181	2			PROPN
ap-8481	181	3	(	(	PUNCT
ap-8481	181	4	25	25	NUM
ap-8481	181	5	)	)	PUNCT
ap-8481	181	6	the	the	DET
ap-8481	181	7	proposed	propose	VERB
ap-8481	181	8	system	system	NOUN
ap-8481	181	9	assumed	assume	VERB
ap-8481	181	10	that	that	SCONJ
ap-8481	181	11	the	the	DET
ap-8481	181	12	self	self	NOUN
ap-8481	181	13	and	and	CCONJ
ap-8481	181	14	far	far	ADJ
ap-8481	181	15	channels	channel	NOUN
ap-8481	181	16	are	be	AUX
ap-8481	181	17	fixed	fix	VERB
ap-8481	181	18	for	for	ADP
ap-8481	181	19	two	two	NUM
ap-8481	181	20	ofdm	ofdm	NOUN
ap-8481	181	21	blocks	block	NOUN
ap-8481	181	22	,	,	PUNCT
ap-8481	181	23	and	and	CCONJ
ap-8481	181	24	the	the	DET
ap-8481	181	25	self	self	NOUN
ap-8481	181	26	node	node	NOUN
ap-8481	181	27	uses	use	VERB
ap-8481	181	28	the	the	DET
ap-8481	181	29	pilot	pilot	NOUN
ap-8481	181	30	vector	vector	NOUN
ap-8481	181	31	xp	xp	INTJ
ap-8481	181	32	for	for	ADP
ap-8481	181	33	the	the	DET
ap-8481	181	34	first	first	ADJ
ap-8481	181	35	ofdm	ofdm	NOUN
ap-8481	181	36	block	block	NOUN
ap-8481	181	37	,	,	PUNCT
ap-8481	181	38	same	same	ADJ
ap-8481	181	39	as	as	ADP
ap-8481	181	40	the	the	DET
ap-8481	181	41	far	far	ADJ
ap-8481	181	42	node	node	NOUN
ap-8481	181	43	,	,	PUNCT
ap-8481	181	44	but	but	CCONJ
ap-8481	181	45	it	it	PRON
ap-8481	181	46	uses	use	VERB
ap-8481	181	47	−xp	−xp	NOUN
ap-8481	181	48	as	as	ADP
ap-8481	181	49	the	the	DET
ap-8481	181	50	pilot	pilot	NOUN
ap-8481	181	51	vector	vector	NOUN
ap-8481	181	52	for	for	ADP
ap-8481	181	53	the	the	DET
ap-8481	181	54	second	second	ADJ
ap-8481	181	55	ofdm	ofdm	NOUN
ap-8481	181	56	block	block	NOUN
ap-8481	181	57	,	,	PUNCT
ap-8481	181	58	unlike	unlike	ADP
ap-8481	181	59	the	the	DET
ap-8481	181	60	far	far	ADJ
ap-8481	181	61	node	node	NOUN
ap-8481	181	62	that	that	PRON
ap-8481	181	63	uses	use	VERB
ap-8481	181	64	the	the	DET
ap-8481	181	65	same	same	ADJ
ap-8481	181	66	xp	xp	NOUN
ap-8481	181	67	as	as	ADP
ap-8481	181	68	the	the	DET
ap-8481	181	69	first	first	ADJ
ap-8481	181	70	block	block	NOUN
ap-8481	181	71	.	.	PUNCT
ap-8481	182	1	so	so	ADV
ap-8481	182	2	we	we	PRON
ap-8481	182	3	have	have	VERB
ap-8481	182	4	r1	r1	PROPN
ap-8481	182	5	=	=	PUNCT
ap-8481	182	6	x̃s1hs	x̃s1hs	PROPN
ap-8481	183	1	+	+	NUM
ap-8481	183	2	x̃f1hf	x̃f1hf	PROPN
ap-8481	183	3	+	+	CCONJ
ap-8481	183	4	n1	n1	NOUN
ap-8481	183	5	,	,	PUNCT
ap-8481	183	6	r2	r2	PROPN
ap-8481	183	7	=	=	PUNCT
ap-8481	183	8	x̃s2hs	x̃s2hs	PROPN
ap-8481	184	1	+	+	CCONJ
ap-8481	184	2	x̃f2hf	x̃f2hf	X
ap-8481	184	3	+	+	ADJ
ap-8481	184	4	n2	n2	ADJ
ap-8481	184	5	.	.	PUNCT
ap-8481	185	1	(	(	PUNCT
ap-8481	185	2	26	26	NUM
ap-8481	185	3	)	)	PUNCT
ap-8481	185	4	in	in	ADP
ap-8481	185	5	matrix	matrix	NOUN
ap-8481	185	6	form	form	NOUN
ap-8481	185	7	,	,	PUNCT
ap-8481	185	8	we	we	PRON
ap-8481	185	9	have	have	VERB
ap-8481	185	10	[	[	PUNCT
ap-8481	185	11	r1	r1	PROPN
ap-8481	185	12	r2	r2	PROPN
ap-8481	185	13	]	]	PUNCT
ap-8481	186	1	=	=	PUNCT
ap-8481	186	2	[	[	PUNCT
ap-8481	186	3	x̃s1	x̃s1	PROPN
ap-8481	186	4	x̃f1	x̃f1	PROPN
ap-8481	186	5	x̃s2	x̃s2	PROPN
ap-8481	186	6	x̃f2	x̃f2	PROPN
ap-8481	186	7	]	]	PUNCT
ap-8481	187	1	[	[	PUNCT
ap-8481	187	2	hs	hs	X
ap-8481	187	3	hf	hf	X
ap-8481	187	4	]	]	PUNCT
ap-8481	188	1	+	+	CCONJ
ap-8481	188	2	[	[	PUNCT
ap-8481	188	3	n1	n1	ADJ
ap-8481	188	4	n2	n2	NOUN
ap-8481	188	5	]	]	PUNCT
ap-8481	188	6	(	(	PUNCT
ap-8481	188	7	27	27	NUM
ap-8481	188	8	)	)	PUNCT
ap-8481	188	9	if	if	SCONJ
ap-8481	188	10	only	only	ADV
ap-8481	188	11	pilot	pilot	NOUN
ap-8481	188	12	subcarriers	subcarrier	NOUN
ap-8481	188	13	for	for	ADP
ap-8481	188	14	two	two	NUM
ap-8481	188	15	received	receive	VERB
ap-8481	188	16	ofdm	ofdm	NOUN
ap-8481	188	17	blocks	block	NOUN
ap-8481	188	18	r1	r1	PROPN
ap-8481	188	19	and	and	CCONJ
ap-8481	188	20	r2	r2	PROPN
ap-8481	188	21	have	have	AUX
ap-8481	188	22	been	be	AUX
ap-8481	188	23	chosen	choose	VERB
ap-8481	188	24	,	,	PUNCT
ap-8481	188	25	we	we	PRON
ap-8481	188	26	have	have	VERB
ap-8481	188	27	[	[	PUNCT
ap-8481	188	28	rp1	rp1	PROPN
ap-8481	188	29	rp2	rp2	PROPN
ap-8481	188	30	]	]	PUNCT
ap-8481	189	1	=	=	PUNCT
ap-8481	189	2	[	[	PUNCT
ap-8481	189	3	x̃p	x̃p	PROPN
ap-8481	189	4	x̃p	x̃p	PROPN
ap-8481	189	5	−x̃p	−x̃p	PROPN
ap-8481	189	6	x̃p	x̃p	PROPN
ap-8481	189	7	]	]	X
ap-8481	190	1	[	[	PUNCT
ap-8481	190	2	hps	hps	NOUN
ap-8481	190	3	hpf	hpf	NOUN
ap-8481	190	4	]	]	PUNCT
ap-8481	191	1	+	+	CCONJ
ap-8481	191	2	[	[	PUNCT
ap-8481	191	3	np1	np1	NOUN
ap-8481	191	4	np2	np2	NOUN
ap-8481	191	5	]	]	PUNCT
ap-8481	191	6	=	=	PUNCT
ap-8481	191	7	a	a	DET
ap-8481	191	8	[	[	PUNCT
ap-8481	191	9	hps	hps	NOUN
ap-8481	191	10	hpf	hpf	NOUN
ap-8481	191	11	]	]	PUNCT
ap-8481	192	1	+	+	CCONJ
ap-8481	192	2	[	[	PUNCT
ap-8481	192	3	np1	np1	NOUN
ap-8481	192	4	np2	np2	PROPN
ap-8481	192	5	]	]	X
ap-8481	192	6	(	(	PUNCT
ap-8481	192	7	28	28	NUM
ap-8481	192	8	)	)	PUNCT
ap-8481	192	9	the	the	DET
ap-8481	192	10	matrix	matrix	NOUN
ap-8481	192	11	a	a	PRON
ap-8481	192	12	is	be	AUX
ap-8481	192	13	a	a	DET
ap-8481	192	14	2np	2np	ADJ
ap-8481	192	15	×	×	NOUN
ap-8481	192	16	2np	2np	ADJ
ap-8481	192	17	real	real	ADV
ap-8481	192	18	-	-	PUNCT
ap-8481	192	19	valued	value	VERB
ap-8481	192	20	unitary	unitary	ADJ
ap-8481	192	21	matrix	matrix	NOUN
ap-8481	192	22	[	[	X
ap-8481	192	23	]	]	X
ap-8481	192	24	,	,	PUNCT
ap-8481	192	25	at	at	ADP
ap-8481	192	26	a	a	DET
ap-8481	192	27	=	=	SYM
ap-8481	192	28	i	i	PROPN
ap-8481	192	29	,	,	PUNCT
ap-8481	192	30	so	so	CCONJ
ap-8481	192	31	the	the	DET
ap-8481	192	32	channel	channel	NOUN
ap-8481	192	33	frequency	frequency	NOUN
ap-8481	192	34	response	response	NOUN
ap-8481	192	35	(	(	PUNCT
ap-8481	192	36	cfr	cfr	NOUN
ap-8481	192	37	)	)	PUNCT
ap-8481	192	38	of	of	ADP
ap-8481	192	39	self	self	NOUN
ap-8481	192	40	and	and	CCONJ
ap-8481	192	41	far	far	ADJ
ap-8481	192	42	channels	channel	NOUN
ap-8481	192	43	in	in	ADP
ap-8481	192	44	pilot	pilot	NOUN
ap-8481	192	45	subcarriers	subcarrier	NOUN
ap-8481	192	46	can	can	AUX
ap-8481	192	47	be	be	AUX
ap-8481	192	48	estimated	estimate	VERB
ap-8481	192	49	by	by	ADP
ap-8481	192	50	:	:	PUNCT
ap-8481	192	51	[	[	PUNCT
ap-8481	192	52	ĥps	ĥps	X
ap-8481	192	53	ĥpf	ĥpf	X
ap-8481	192	54	]	]	PUNCT
ap-8481	193	1	=	=	PUNCT
ap-8481	193	2	[	[	PUNCT
ap-8481	193	3	x̃p	x̃p	PROPN
ap-8481	193	4	x̃p	x̃p	PROPN
ap-8481	194	1	−x̃p	−x̃p	PROPN
ap-8481	195	1	x̃t	x̃t	PRON
ap-8481	195	2	p	p	X
ap-8481	195	3	]	]	X
ap-8481	195	4	t	t	X
ap-8481	195	5	[	[	PUNCT
ap-8481	195	6	rp1	rp1	PROPN
ap-8481	195	7	rp2	rp2	PROPN
ap-8481	195	8	]	]	X
ap-8481	195	9	(	(	PUNCT
ap-8481	195	10	29	29	NUM
ap-8481	195	11	)	)	PUNCT
ap-8481	195	12	with	with	ADP
ap-8481	195	13	an	an	DET
ap-8481	195	14	interpolation	interpolation	NOUN
ap-8481	195	15	,	,	PUNCT
ap-8481	195	16	self	self	NOUN
ap-8481	195	17	,	,	PUNCT
ap-8481	195	18	and	and	CCONJ
ap-8481	195	19	far	far	ADV
ap-8481	195	20	cfrs	cfr	VERB
ap-8481	195	21	,	,	PUNCT
ap-8481	195	22	ĥs	ĥs	PROPN
ap-8481	195	23	and	and	CCONJ
ap-8481	195	24	ĥf	ĥf	NOUN
ap-8481	195	25	are	be	AUX
ap-8481	195	26	estimated	estimate	VERB
ap-8481	195	27	and	and	CCONJ
ap-8481	195	28	because	because	SCONJ
ap-8481	195	29	x̃s1	x̃s1	PROPN
ap-8481	195	30	and	and	CCONJ
ap-8481	195	31	x̃s2	x̃s2	PROPN
ap-8481	195	32	are	be	AUX
ap-8481	195	33	known	know	VERB
ap-8481	195	34	by	by	ADP
ap-8481	195	35	the	the	DET
ap-8481	195	36	self	self	NOUN
ap-8481	195	37	node	node	NOUN
ap-8481	195	38	we	we	PRON
ap-8481	195	39	have	have	VERB
ap-8481	195	40	;	;	PUNCT
ap-8481	195	41	therefore	therefore	ADV
ap-8481	195	42	,	,	PUNCT
ap-8481	195	43	si	si	PROPN
ap-8481	195	44	x̂f1	x̂f1	PROPN
ap-8481	195	45	and	and	CCONJ
ap-8481	195	46	x̂f2	x̂f2	PROPN
ap-8481	195	47	can	can	AUX
ap-8481	195	48	be	be	AUX
ap-8481	195	49	obtained	obtain	VERB
ap-8481	195	50	by	by	ADP
ap-8481	195	51	[	[	PUNCT
ap-8481	195	52	x̂f1	x̂f1	PROPN
ap-8481	195	53	x̂f2	x̂f2	PROPN
ap-8481	195	54	]	]	X
ap-8481	196	1	=	=	PUNCT
ap-8481	196	2	˜̂	˜̂	NOUN
ap-8481	196	3	h−1	h−1	PROPN
ap-8481	196	4	f	f	X
ap-8481	196	5	(	(	PUNCT
ap-8481	196	6	[	[	PUNCT
ap-8481	196	7	r1	r1	PROPN
ap-8481	196	8	r2	r2	PROPN
ap-8481	196	9	]	]	PUNCT
ap-8481	196	10	−	−	PROPN
ap-8481	197	1	[	[	PUNCT
ap-8481	197	2	x̃s1	x̃s1	PROPN
ap-8481	197	3	x̃s2	x̃s2	PROPN
ap-8481	197	4	]	]	PUNCT
ap-8481	197	5	ĥs	ĥs	PROPN
ap-8481	197	6	)	)	PUNCT
ap-8481	197	7	(	(	PUNCT
ap-8481	197	8	30	30	NUM
ap-8481	197	9	)	)	PUNCT
ap-8481	197	10	in	in	ADP
ap-8481	197	11	the	the	DET
ap-8481	197	12	proposed	propose	VERB
ap-8481	197	13	system	system	NOUN
ap-8481	197	14	,	,	PUNCT
ap-8481	197	15	it	it	PRON
ap-8481	197	16	can	can	AUX
ap-8481	197	17	be	be	AUX
ap-8481	197	18	seen	see	VERB
ap-8481	197	19	that	that	SCONJ
ap-8481	197	20	at	at	ADP
ap-8481	197	21	the	the	DET
ap-8481	197	22	self	self	NOUN
ap-8481	197	23	node	node	NOUN
ap-8481	197	24	,	,	PUNCT
ap-8481	197	25	the	the	DET
ap-8481	197	26	separation	separation	NOUN
ap-8481	197	27	of	of	ADP
ap-8481	197	28	two	two	NUM
ap-8481	197	29	self	self	NOUN
ap-8481	197	30	and	and	CCONJ
ap-8481	197	31	far	far	ADJ
ap-8481	197	32	signals	signal	NOUN
ap-8481	197	33	has	have	AUX
ap-8481	197	34	been	be	AUX
ap-8481	197	35	done	do	VERB
ap-8481	197	36	completely	completely	ADV
ap-8481	197	37	,	,	PUNCT
ap-8481	197	38	and	and	CCONJ
ap-8481	197	39	si	si	X
ap-8481	197	40	cancellation	cancellation	NOUN
ap-8481	197	41	from	from	ADP
ap-8481	197	42	the	the	DET
ap-8481	197	43	far	far	ADV
ap-8481	197	44	node	node	NOUN
ap-8481	197	45	signal	signal	NOUN
ap-8481	197	46	is	be	AUX
ap-8481	197	47	made	make	VERB
ap-8481	197	48	perfectly	perfectly	ADV
ap-8481	197	49	.	.	PUNCT
ap-8481	198	1	30	30	NUM
ap-8481	198	2	vol	vol	NOUN
ap-8481	198	3	.	.	PUNCT
ap-8481	198	4	63	63	NUM
ap-8481	198	5	no	no	NOUN
ap-8481	198	6	.	.	PUNCT
ap-8481	199	1	1/2023	1/2023	NUM
ap-8481	199	2	self	self	NOUN
ap-8481	199	3	-	-	PUNCT
ap-8481	199	4	interference	interference	NOUN
ap-8481	199	5	cancellation	cancellation	NOUN
ap-8481	199	6	in	in	ADP
ap-8481	199	7	underwater	underwater	ADJ
ap-8481	199	8	acoustic	acoustic	ADJ
ap-8481	199	9	communications	communication	NOUN
ap-8481	199	10	.	.	PUNCT
ap-8481	199	11	.	.	PUNCT
ap-8481	199	12	.	.	PUNCT
ap-8481	200	1	4	4	X
ap-8481	200	2	.	.	X
ap-8481	200	3	simulation	simulation	NOUN
ap-8481	200	4	results	result	VERB
ap-8481	200	5	in	in	ADP
ap-8481	200	6	this	this	DET
ap-8481	200	7	section	section	NOUN
ap-8481	200	8	,	,	PUNCT
ap-8481	200	9	the	the	DET
ap-8481	200	10	simulation	simulation	NOUN
ap-8481	200	11	results	result	NOUN
ap-8481	200	12	of	of	ADP
ap-8481	200	13	the	the	DET
ap-8481	200	14	proposed	propose	VERB
ap-8481	200	15	method	method	NOUN
ap-8481	200	16	for	for	ADP
ap-8481	200	17	full	full	ADJ
ap-8481	200	18	-	-	PUNCT
ap-8481	200	19	duplex	duplex	NOUN
ap-8481	200	20	systems	system	NOUN
ap-8481	200	21	will	will	AUX
ap-8481	200	22	be	be	AUX
ap-8481	200	23	discussed	discuss	VERB
ap-8481	200	24	.	.	PUNCT
ap-8481	201	1	the	the	DET
ap-8481	201	2	proposed	propose	VERB
ap-8481	201	3	orthogonal	orthogonal	ADJ
ap-8481	201	4	self	self	NOUN
ap-8481	201	5	-	-	PUNCT
ap-8481	201	6	interference	interference	NOUN
ap-8481	201	7	cancelation	cancelation	NOUN
ap-8481	201	8	method	method	NOUN
ap-8481	201	9	based	base	VERB
ap-8481	201	10	on	on	ADP
ap-8481	201	11	mathematical	mathematical	ADJ
ap-8481	201	12	proofs	proof	NOUN
ap-8481	201	13	has	have	VERB
ap-8481	201	14	no	no	DET
ap-8481	201	15	restrictions	restriction	NOUN
ap-8481	201	16	on	on	ADP
ap-8481	201	17	the	the	DET
ap-8481	201	18	channel	channel	NOUN
ap-8481	201	19	characteristics	characteristic	NOUN
ap-8481	201	20	and	and	CCONJ
ap-8481	201	21	all	all	DET
ap-8481	201	22	the	the	DET
ap-8481	201	23	channels	channel	NOUN
ap-8481	201	24	that	that	PRON
ap-8481	201	25	can	can	AUX
ap-8481	201	26	be	be	AUX
ap-8481	201	27	used	use	VERB
ap-8481	201	28	in	in	ADP
ap-8481	201	29	the	the	DET
ap-8481	201	30	ofdm	ofdm	NOUN
ap-8481	201	31	system	system	NOUN
ap-8481	201	32	can	can	AUX
ap-8481	201	33	be	be	AUX
ap-8481	201	34	used	use	VERB
ap-8481	201	35	in	in	ADP
ap-8481	201	36	the	the	DET
ap-8481	201	37	proposed	propose	VERB
ap-8481	201	38	full	full	ADJ
ap-8481	201	39	-	-	PUNCT
ap-8481	201	40	duplex	duplex	NOUN
ap-8481	201	41	system	system	NOUN
ap-8481	201	42	.	.	PUNCT
ap-8481	202	1	therefore	therefore	ADV
ap-8481	202	2	,	,	PUNCT
ap-8481	202	3	the	the	DET
ap-8481	202	4	proposed	propose	VERB
ap-8481	202	5	method	method	NOUN
ap-8481	202	6	for	for	ADP
ap-8481	202	7	eliminating	eliminate	VERB
ap-8481	202	8	self	self	NOUN
ap-8481	202	9	-	-	PUNCT
ap-8481	202	10	interference	interference	NOUN
ap-8481	202	11	from	from	ADP
ap-8481	202	12	far	far	ADJ
ap-8481	202	13	signal	signal	NOUN
ap-8481	202	14	is	be	AUX
ap-8481	202	15	independent	independent	ADJ
ap-8481	202	16	of	of	ADP
ap-8481	202	17	the	the	DET
ap-8481	202	18	number	number	NOUN
ap-8481	202	19	of	of	ADP
ap-8481	202	20	channel	channel	NOUN
ap-8481	202	21	taps	tap	NOUN
ap-8481	202	22	unlike	unlike	ADP
ap-8481	202	23	method	method	NOUN
ap-8481	202	24	of	of	ADP
ap-8481	202	25	[	[	X
ap-8481	202	26	17	17	NUM
ap-8481	202	27	]	]	PUNCT
ap-8481	202	28	,	,	PUNCT
ap-8481	202	29	where	where	SCONJ
ap-8481	202	30	the	the	DET
ap-8481	202	31	orthogonality	orthogonality	NOUN
ap-8481	202	32	condition	condition	NOUN
ap-8481	202	33	is	be	AUX
ap-8481	202	34	satisfied	satisfied	ADJ
ap-8481	202	35	only	only	ADV
ap-8481	202	36	in	in	ADP
ap-8481	202	37	a	a	DET
ap-8481	202	38	certain	certain	ADJ
ap-8481	202	39	number	number	NOUN
ap-8481	202	40	of	of	ADP
ap-8481	202	41	channel	channel	NOUN
ap-8481	202	42	taps	tap	NOUN
ap-8481	202	43	.	.	PUNCT
ap-8481	203	1	of	of	ADP
ap-8481	203	2	course	course	NOUN
ap-8481	203	3	,	,	PUNCT
ap-8481	203	4	similar	similar	ADJ
ap-8481	203	5	to	to	ADP
ap-8481	203	6	other	other	ADJ
ap-8481	203	7	communication	communication	NOUN
ap-8481	203	8	systems	system	NOUN
ap-8481	203	9	,	,	PUNCT
ap-8481	203	10	the	the	DET
ap-8481	203	11	characteristics	characteristic	NOUN
ap-8481	203	12	of	of	ADP
ap-8481	203	13	the	the	DET
ap-8481	203	14	channel	channel	NOUN
ap-8481	203	15	,	,	PUNCT
ap-8481	203	16	the	the	DET
ap-8481	203	17	length	length	NOUN
ap-8481	203	18	of	of	ADP
ap-8481	203	19	the	the	DET
ap-8481	203	20	channel	channel	NOUN
ap-8481	203	21	impulse	impulse	ADJ
ap-8481	203	22	response	response	NOUN
ap-8481	203	23	,	,	PUNCT
ap-8481	203	24	the	the	DET
ap-8481	203	25	number	number	NOUN
ap-8481	203	26	of	of	ADP
ap-8481	203	27	pilots	pilot	NOUN
ap-8481	203	28	used	use	VERB
ap-8481	203	29	for	for	ADP
ap-8481	203	30	the	the	DET
ap-8481	203	31	channel	channel	NOUN
ap-8481	203	32	estimation	estimation	NOUN
ap-8481	203	33	and	and	CCONJ
ap-8481	203	34	the	the	DET
ap-8481	203	35	type	type	NOUN
ap-8481	203	36	of	of	ADP
ap-8481	203	37	the	the	DET
ap-8481	203	38	method	method	NOUN
ap-8481	203	39	used	use	VERB
ap-8481	203	40	for	for	ADP
ap-8481	203	41	channel	channel	NOUN
ap-8481	203	42	estimation	estimation	NOUN
ap-8481	203	43	will	will	AUX
ap-8481	203	44	be	be	AUX
ap-8481	203	45	important	important	ADJ
ap-8481	203	46	and	and	CCONJ
ap-8481	203	47	influential	influential	ADJ
ap-8481	203	48	for	for	ADP
ap-8481	203	49	the	the	DET
ap-8481	203	50	channel	channel	NOUN
ap-8481	203	51	estimation	estimation	NOUN
ap-8481	203	52	efficiency	efficiency	NOUN
ap-8481	203	53	of	of	ADP
ap-8481	203	54	the	the	DET
ap-8481	203	55	proposed	propose	VERB
ap-8481	203	56	system	system	NOUN
ap-8481	203	57	and	and	CCONJ
ap-8481	203	58	the	the	DET
ap-8481	203	59	mse	mse	NOUN
ap-8481	203	60	and	and	CCONJ
ap-8481	203	61	ber	ber	NOUN
ap-8481	203	62	curves	curve	NOUN
ap-8481	203	63	,	,	PUNCT
ap-8481	203	64	but	but	CCONJ
ap-8481	203	65	it	it	PRON
ap-8481	203	66	will	will	AUX
ap-8481	203	67	not	not	PART
ap-8481	203	68	have	have	VERB
ap-8481	203	69	any	any	DET
ap-8481	203	70	effect	effect	NOUN
ap-8481	203	71	on	on	ADP
ap-8481	203	72	the	the	DET
ap-8481	203	73	main	main	ADJ
ap-8481	203	74	goal	goal	NOUN
ap-8481	203	75	of	of	ADP
ap-8481	203	76	the	the	DET
ap-8481	203	77	proposed	propose	VERB
ap-8481	203	78	paper	paper	NOUN
ap-8481	203	79	,	,	PUNCT
ap-8481	203	80	which	which	PRON
ap-8481	203	81	is	be	AUX
ap-8481	203	82	the	the	DET
ap-8481	203	83	complete	complete	ADJ
ap-8481	203	84	and	and	CCONJ
ap-8481	203	85	accurate	accurate	ADJ
ap-8481	203	86	removal	removal	NOUN
ap-8481	203	87	of	of	ADP
ap-8481	203	88	self	self	NOUN
ap-8481	203	89	-	-	PUNCT
ap-8481	203	90	interference	interference	NOUN
ap-8481	203	91	signal	signal	NOUN
ap-8481	203	92	from	from	ADP
ap-8481	203	93	the	the	DET
ap-8481	203	94	far	far	ADJ
ap-8481	203	95	signal	signal	NOUN
ap-8481	203	96	.	.	PUNCT
ap-8481	204	1	all	all	DET
ap-8481	204	2	simulations	simulation	NOUN
ap-8481	204	3	are	be	AUX
ap-8481	204	4	done	do	VERB
ap-8481	204	5	in	in	ADP
ap-8481	204	6	matlab	matlab	PROPN
ap-8481	204	7	based	base	VERB
ap-8481	204	8	on	on	ADP
ap-8481	204	9	the	the	DET
ap-8481	204	10	system	system	NOUN
ap-8481	204	11	model	model	NOUN
ap-8481	204	12	shown	show	VERB
ap-8481	204	13	in	in	ADP
ap-8481	204	14	the	the	DET
ap-8481	204	15	figure	figure	NOUN
ap-8481	204	16	8	8	NUM
ap-8481	204	17	and	and	CCONJ
ap-8481	204	18	table	table	NOUN
ap-8481	204	19	1	1	NUM
ap-8481	204	20	and	and	CCONJ
ap-8481	204	21	the	the	DET
ap-8481	204	22	simulation	simulation	NOUN
ap-8481	204	23	results	result	NOUN
ap-8481	204	24	are	be	AUX
ap-8481	204	25	the	the	DET
ap-8481	204	26	average	average	NOUN
ap-8481	204	27	of	of	ADP
ap-8481	204	28	1000	1000	NUM
ap-8481	204	29	simulation	simulation	NOUN
ap-8481	204	30	repetitions	repetition	NOUN
ap-8481	204	31	.	.	PUNCT
ap-8481	205	1	in	in	ADP
ap-8481	205	2	the	the	DET
ap-8481	205	3	following	follow	VERB
ap-8481	205	4	figures	figure	NOUN
ap-8481	205	5	,	,	PUNCT
ap-8481	205	6	the	the	DET
ap-8481	205	7	efficiency	efficiency	NOUN
ap-8481	205	8	of	of	ADP
ap-8481	205	9	the	the	DET
ap-8481	205	10	proposed	propose	VERB
ap-8481	205	11	method	method	NOUN
ap-8481	205	12	for	for	ADP
ap-8481	205	13	self	self	NOUN
ap-8481	205	14	-	-	PUNCT
ap-8481	205	15	interference	interference	NOUN
ap-8481	205	16	cancelation	cancelation	NOUN
ap-8481	205	17	and	and	CCONJ
ap-8481	205	18	channel	channel	NOUN
ap-8481	205	19	estimation	estimation	NOUN
ap-8481	205	20	is	be	AUX
ap-8481	205	21	well	well	ADV
ap-8481	205	22	illustrated	illustrate	VERB
ap-8481	205	23	by	by	ADP
ap-8481	205	24	mse	mse	NOUN
ap-8481	205	25	and	and	CCONJ
ap-8481	205	26	ber	ber	PROPN
ap-8481	205	27	parameters	parameter	NOUN
ap-8481	205	28	.	.	PUNCT
ap-8481	206	1	parameter	parameter	NOUN
ap-8481	206	2	value	value	NOUN
ap-8481	206	3	bandwidth	bandwidth	NOUN
ap-8481	206	4	b	b	PROPN
ap-8481	206	5	6	6	NUM
ap-8481	206	6	khz	khz	NOUN
ap-8481	206	7	number	number	NOUN
ap-8481	206	8	of	of	ADP
ap-8481	206	9	sub	sub	ADJ
ap-8481	206	10	-	-	ADJ
ap-8481	206	11	carrier	carrier	ADJ
ap-8481	206	12	nc	nc	PROPN
ap-8481	206	13	1024	1024	NUM
ap-8481	206	14	signal	signal	PROPN
ap-8481	206	15	constellation	constellation	NOUN
ap-8481	206	16	qpsk	qpsk	NOUN
ap-8481	206	17	cp	cp	PROPN
ap-8481	206	18	interval	interval	NOUN
ap-8481	206	19	256	256	NUM
ap-8481	206	20	(	(	PUNCT
ap-8481	206	21	1024/4	1024/4	NUM
ap-8481	206	22	)	)	PUNCT
ap-8481	206	23	carrier	carrier	NOUN
ap-8481	206	24	frequency	frequency	NOUN
ap-8481	206	25	12	12	NUM
ap-8481	206	26	khz	khz	NOUN
ap-8481	206	27	sampling	sample	VERB
ap-8481	206	28	frequency	frequency	NOUN
ap-8481	206	29	48	48	NUM
ap-8481	206	30	khz	khz	NOUN
ap-8481	206	31	pilot	pilot	NOUN
ap-8481	206	32	arrangement	arrangement	NOUN
ap-8481	206	33	comb	comb	NOUN
ap-8481	206	34	type	type	NOUN
ap-8481	206	35	table	table	NOUN
ap-8481	206	36	1	1	NUM
ap-8481	206	37	.	.	PUNCT
ap-8481	206	38	simulation	simulation	NOUN
ap-8481	206	39	parameters	parameter	NOUN
ap-8481	206	40	.	.	PUNCT
ap-8481	207	1	in	in	ADP
ap-8481	207	2	the	the	DET
ap-8481	207	3	following	follow	VERB
ap-8481	207	4	figures	figure	NOUN
ap-8481	207	5	,	,	PUNCT
ap-8481	207	6	the	the	DET
ap-8481	207	7	simulation	simulation	NOUN
ap-8481	207	8	results	result	NOUN
ap-8481	207	9	of	of	ADP
ap-8481	207	10	the	the	DET
ap-8481	207	11	proposed	propose	VERB
ap-8481	207	12	self	self	NOUN
ap-8481	207	13	-	-	PUNCT
ap-8481	207	14	interference	interference	NOUN
ap-8481	207	15	cancelation	cancelation	NOUN
ap-8481	207	16	method	method	NOUN
ap-8481	207	17	for	for	ADP
ap-8481	207	18	full	full	ADJ
ap-8481	207	19	-	-	PUNCT
ap-8481	207	20	duplex	duplex	NOUN
ap-8481	207	21	systems	system	NOUN
ap-8481	207	22	are	be	AUX
ap-8481	207	23	shown	show	VERB
ap-8481	207	24	based	base	VERB
ap-8481	207	25	on	on	ADP
ap-8481	207	26	establishing	establish	VERB
ap-8481	207	27	orthogonality	orthogonality	NOUN
ap-8481	207	28	between	between	ADP
ap-8481	207	29	two	two	NUM
ap-8481	207	30	self	self	NOUN
ap-8481	207	31	signals	signal	NOUN
ap-8481	207	32	and	and	CCONJ
ap-8481	207	33	far	far	ADJ
ap-8481	207	34	signals	signal	NOUN
ap-8481	207	35	in	in	ADP
ap-8481	207	36	different	different	ADJ
ap-8481	207	37	modes	mode	NOUN
ap-8481	207	38	and	and	CCONJ
ap-8481	207	39	the	the	DET
ap-8481	207	40	efficiency	efficiency	NOUN
ap-8481	207	41	and	and	CCONJ
ap-8481	207	42	performance	performance	NOUN
ap-8481	207	43	of	of	ADP
ap-8481	207	44	the	the	DET
ap-8481	207	45	proposed	propose	VERB
ap-8481	207	46	system	system	NOUN
ap-8481	207	47	have	have	AUX
ap-8481	207	48	been	be	AUX
ap-8481	207	49	evaluated	evaluate	VERB
ap-8481	207	50	.	.	PUNCT
ap-8481	208	1	as	as	SCONJ
ap-8481	208	2	shown	show	VERB
ap-8481	208	3	in	in	ADP
ap-8481	208	4	figure	figure	NOUN
ap-8481	208	5	9	9	NUM
ap-8481	208	6	,	,	PUNCT
ap-8481	208	7	the	the	DET
ap-8481	208	8	mse	mse	NOUN
ap-8481	208	9	curve	curve	NOUN
ap-8481	208	10	of	of	ADP
ap-8481	208	11	the	the	DET
ap-8481	208	12	far	far	ADJ
ap-8481	208	13	channel	channel	NOUN
ap-8481	208	14	estimation	estimation	NOUN
ap-8481	208	15	in	in	ADP
ap-8481	208	16	the	the	DET
ap-8481	208	17	two	two	NUM
ap-8481	208	18	modes	mode	NOUN
ap-8481	208	19	of	of	ADP
ap-8481	208	20	the	the	DET
ap-8481	208	21	proposed	propose	VERB
ap-8481	208	22	full	full	ADJ
ap-8481	208	23	-	-	PUNCT
ap-8481	208	24	duplex	duplex	NOUN
ap-8481	208	25	and	and	CCONJ
ap-8481	208	26	the	the	DET
ap-8481	208	27	conventional	conventional	ADJ
ap-8481	208	28	half	half	ADJ
ap-8481	208	29	-	-	PUNCT
ap-8481	208	30	duplex	duplex	NOUN
ap-8481	208	31	completely	completely	ADV
ap-8481	208	32	coincide	coincide	NOUN
ap-8481	208	33	,	,	PUNCT
ap-8481	208	34	and	and	CCONJ
ap-8481	208	35	this	this	DET
ap-8481	208	36	figure	figure	NOUN
ap-8481	208	37	shows	show	VERB
ap-8481	208	38	the	the	DET
ap-8481	208	39	accuracy	accuracy	NOUN
ap-8481	208	40	and	and	CCONJ
ap-8481	208	41	efficiency	efficiency	NOUN
ap-8481	208	42	of	of	ADP
ap-8481	208	43	the	the	DET
ap-8481	208	44	proposed	propose	VERB
ap-8481	208	45	method	method	NOUN
ap-8481	208	46	,	,	PUNCT
ap-8481	208	47	which	which	PRON
ap-8481	208	48	results	result	VERB
ap-8481	208	49	in	in	ADP
ap-8481	208	50	the	the	DET
ap-8481	208	51	correct	correct	ADJ
ap-8481	208	52	separation	separation	NOUN
ap-8481	208	53	of	of	ADP
ap-8481	208	54	the	the	DET
ap-8481	208	55	self	self	NOUN
ap-8481	208	56	and	and	CCONJ
ap-8481	208	57	far	far	ADJ
ap-8481	208	58	channels	channel	NOUN
ap-8481	208	59	that	that	PRON
ap-8481	208	60	is	be	AUX
ap-8481	208	61	obtained	obtain	VERB
ap-8481	208	62	based	base	VERB
ap-8481	208	63	on	on	ADP
ap-8481	208	64	orthogonality	orthogonality	NOUN
ap-8481	208	65	and	and	CCONJ
ap-8481	208	66	is	be	AUX
ap-8481	208	67	the	the	DET
ap-8481	208	68	main	main	ADJ
ap-8481	208	69	goal	goal	NOUN
ap-8481	208	70	and	and	CCONJ
ap-8481	208	71	contribution	contribution	NOUN
ap-8481	208	72	of	of	ADP
ap-8481	208	73	this	this	DET
ap-8481	208	74	paper	paper	NOUN
ap-8481	208	75	.	.	PUNCT
ap-8481	209	1	in	in	ADP
ap-8481	209	2	the	the	DET
ap-8481	209	3	mse	mse	NOUN
ap-8481	209	4	curves	curve	NOUN
ap-8481	209	5	,	,	PUNCT
ap-8481	209	6	the	the	DET
ap-8481	209	7	estimation	estimation	NOUN
ap-8481	209	8	efficiency	efficiency	NOUN
ap-8481	209	9	of	of	ADP
ap-8481	209	10	the	the	DET
ap-8481	209	11	self	self	NOUN
ap-8481	209	12	channel	channel	NOUN
ap-8481	209	13	is	be	AUX
ap-8481	209	14	better	well	ADJ
ap-8481	209	15	than	than	ADP
ap-8481	209	16	that	that	PRON
ap-8481	209	17	of	of	ADP
ap-8481	209	18	the	the	DET
ap-8481	209	19	far	far	ADJ
ap-8481	209	20	channel	channel	NOUN
ap-8481	209	21	because	because	SCONJ
ap-8481	209	22	the	the	DET
ap-8481	209	23	self	self	NOUN
ap-8481	209	24	channel	channel	NOUN
ap-8481	209	25	has	have	VERB
ap-8481	209	26	better	well	ADJ
ap-8481	209	27	conditions	condition	NOUN
ap-8481	209	28	due	due	ADP
ap-8481	209	29	to	to	ADP
ap-8481	209	30	the	the	DET
ap-8481	209	31	proximity	proximity	NOUN
ap-8481	209	32	of	of	ADP
ap-8481	209	33	the	the	DET
ap-8481	209	34	transmitter	transmitter	NOUN
ap-8481	209	35	and	and	CCONJ
ap-8481	209	36	receiver	receiver	NOUN
ap-8481	209	37	.	.	PUNCT
ap-8481	210	1	(	(	PUNCT
ap-8481	210	2	a	a	NOUN
ap-8481	210	3	)	)	PUNCT
ap-8481	210	4	.	.	PUNCT
ap-8481	211	1	θ	θ	X
ap-8481	211	2	=	=	PUNCT
ap-8481	212	1	0	0	NUM
ap-8481	212	2	°	°	NUM
ap-8481	212	3	.	.	PUNCT
ap-8481	213	1	(	(	PUNCT
ap-8481	213	2	b	b	NOUN
ap-8481	213	3	)	)	PUNCT
ap-8481	213	4	.	.	PUNCT
ap-8481	214	1	θ	θ	X
ap-8481	214	2	=	=	PUNCT
ap-8481	214	3	4	4	NUM
ap-8481	214	4	°	°	NUM
ap-8481	214	5	.	.	PUNCT
ap-8481	215	1	figure	figure	NOUN
ap-8481	215	2	9	9	NUM
ap-8481	215	3	.	.	PUNCT
ap-8481	216	1	mse	mse	NOUN
ap-8481	216	2	of	of	ADP
ap-8481	216	3	the	the	DET
ap-8481	216	4	mmse	mmse	ADJ
ap-8481	216	5	channel	channel	NOUN
ap-8481	216	6	estimation	estimation	NOUN
ap-8481	216	7	at	at	ADP
ap-8481	216	8	different	different	ADJ
ap-8481	216	9	angles	angle	NOUN
ap-8481	216	10	.	.	PUNCT
ap-8481	217	1	31	31	NUM
ap-8481	217	2	hala	hala	PROPN
ap-8481	217	3	a.	a.	PROPN
ap-8481	217	4	naman	naman	PROPN
ap-8481	217	5	,	,	PUNCT
ap-8481	217	6	ammar	ammar	PROPN
ap-8481	217	7	e.	e.	PROPN
ap-8481	217	8	abdelkareem	abdelkareem	PROPN
ap-8481	217	9	acta	acta	PROPN
ap-8481	217	10	polytechnica	polytechnica	PROPN
ap-8481	217	11	in	in	ADP
ap-8481	217	12	figure	figure	NOUN
ap-8481	217	13	10	10	NUM
ap-8481	217	14	,	,	PUNCT
ap-8481	217	15	the	the	DET
ap-8481	217	16	ber	ber	NOUN
ap-8481	217	17	curves	curve	VERB
ap-8481	217	18	for	for	ADP
ap-8481	217	19	two	two	NUM
ap-8481	217	20	full	full	ADJ
ap-8481	217	21	-	-	PUNCT
ap-8481	217	22	duplex	duplex	NOUN
ap-8481	217	23	and	and	CCONJ
ap-8481	217	24	half	half	ADJ
ap-8481	217	25	-	-	PUNCT
ap-8481	217	26	duplex	duplex	NOUN
ap-8481	217	27	systems	system	NOUN
ap-8481	217	28	are	be	AUX
ap-8481	217	29	illustrated	illustrate	VERB
ap-8481	217	30	.	.	PUNCT
ap-8481	218	1	it	it	PRON
ap-8481	218	2	can	can	AUX
ap-8481	218	3	be	be	AUX
ap-8481	218	4	seen	see	VERB
ap-8481	218	5	that	that	SCONJ
ap-8481	218	6	the	the	DET
ap-8481	218	7	two	two	NUM
ap-8481	218	8	curves	curve	NOUN
ap-8481	218	9	are	be	AUX
ap-8481	218	10	not	not	PART
ap-8481	218	11	exactly	exactly	ADV
ap-8481	218	12	identical	identical	ADJ
ap-8481	218	13	and	and	CCONJ
ap-8481	218	14	there	there	PRON
ap-8481	218	15	is	be	VERB
ap-8481	218	16	a	a	DET
ap-8481	218	17	slight	slight	ADJ
ap-8481	218	18	difference	difference	NOUN
ap-8481	218	19	between	between	ADP
ap-8481	218	20	them	they	PRON
ap-8481	218	21	.	.	PUNCT
ap-8481	219	1	but	but	CCONJ
ap-8481	219	2	this	this	DET
ap-8481	219	3	difference	difference	NOUN
ap-8481	219	4	is	be	AUX
ap-8481	219	5	inevitable	inevitable	ADJ
ap-8481	219	6	and	and	CCONJ
ap-8481	219	7	is	be	AUX
ap-8481	219	8	not	not	PART
ap-8481	219	9	the	the	DET
ap-8481	219	10	reason	reason	NOUN
ap-8481	219	11	for	for	ADP
ap-8481	219	12	the	the	DET
ap-8481	219	13	inefficiency	inefficiency	NOUN
ap-8481	219	14	of	of	ADP
ap-8481	219	15	the	the	DET
ap-8481	219	16	proposed	propose	VERB
ap-8481	219	17	method	method	NOUN
ap-8481	219	18	.	.	PUNCT
ap-8481	220	1	according	accord	VERB
ap-8481	220	2	to	to	ADP
ap-8481	220	3	the	the	DET
ap-8481	220	4	ber	ber	NOUN
ap-8481	220	5	curve	curve	NOUN
ap-8481	220	6	,	,	PUNCT
ap-8481	220	7	the	the	DET
ap-8481	220	8	performance	performance	NOUN
ap-8481	220	9	of	of	ADP
ap-8481	220	10	the	the	DET
ap-8481	220	11	half	half	ADJ
ap-8481	220	12	-	-	PUNCT
ap-8481	220	13	duplex	duplex	NOUN
ap-8481	220	14	system	system	NOUN
ap-8481	220	15	is	be	AUX
ap-8481	220	16	slightly	slightly	ADV
ap-8481	220	17	better	well	ADJ
ap-8481	220	18	than	than	ADP
ap-8481	220	19	the	the	DET
ap-8481	220	20	full	full	ADJ
ap-8481	220	21	-	-	PUNCT
ap-8481	220	22	duplex	duplex	NOUN
ap-8481	220	23	system	system	NOUN
ap-8481	220	24	,	,	PUNCT
ap-8481	220	25	which	which	PRON
ap-8481	220	26	is	be	AUX
ap-8481	220	27	related	relate	VERB
ap-8481	220	28	to	to	ADP
ap-8481	220	29	the	the	DET
ap-8481	220	30	overall	overall	ADJ
ap-8481	220	31	structure	structure	NOUN
ap-8481	220	32	of	of	ADP
ap-8481	220	33	the	the	DET
ap-8481	220	34	full	full	ADJ
ap-8481	220	35	-	-	PUNCT
ap-8481	220	36	duplex	duplex	NOUN
ap-8481	220	37	system	system	NOUN
ap-8481	220	38	.	.	PUNCT
ap-8481	221	1	in	in	ADP
ap-8481	221	2	the	the	DET
ap-8481	221	3	half	half	ADJ
ap-8481	221	4	-	-	PUNCT
ap-8481	221	5	duplex	duplex	NOUN
ap-8481	221	6	system	system	NOUN
ap-8481	221	7	,	,	PUNCT
ap-8481	221	8	the	the	DET
ap-8481	221	9	far	far	ADJ
ap-8481	221	10	channel	channel	NOUN
ap-8481	221	11	is	be	AUX
ap-8481	221	12	first	first	ADV
ap-8481	221	13	estimated	estimate	VERB
ap-8481	221	14	,	,	PUNCT
ap-8481	221	15	then	then	ADV
ap-8481	221	16	the	the	DET
ap-8481	221	17	far	far	ADJ
ap-8481	221	18	data	datum	NOUN
ap-8481	221	19	are	be	AUX
ap-8481	221	20	extracted	extract	VERB
ap-8481	221	21	.	.	PUNCT
ap-8481	222	1	but	but	CCONJ
ap-8481	222	2	in	in	ADP
ap-8481	222	3	the	the	DET
ap-8481	222	4	full	full	ADJ
ap-8481	222	5	-	-	PUNCT
ap-8481	222	6	duplex	duplex	NOUN
ap-8481	222	7	system	system	NOUN
ap-8481	222	8	,	,	PUNCT
ap-8481	222	9	in	in	ADP
ap-8481	222	10	general	general	ADJ
ap-8481	222	11	,	,	PUNCT
ap-8481	222	12	the	the	DET
ap-8481	222	13	self	self	NOUN
ap-8481	222	14	channel	channel	NOUN
ap-8481	222	15	is	be	AUX
ap-8481	222	16	estimated	estimate	VERB
ap-8481	222	17	first	first	ADV
ap-8481	222	18	.	.	PUNCT
ap-8481	223	1	then	then	ADV
ap-8481	223	2	the	the	DET
ap-8481	223	3	product	product	NOUN
ap-8481	223	4	of	of	ADP
ap-8481	223	5	the	the	DET
ap-8481	223	6	estimated	estimate	VERB
ap-8481	223	7	self	self	NOUN
ap-8481	223	8	channel	channel	NOUN
ap-8481	223	9	by	by	ADP
ap-8481	223	10	the	the	DET
ap-8481	223	11	self	self	NOUN
ap-8481	223	12	data	datum	NOUN
ap-8481	223	13	is	be	AUX
ap-8481	223	14	calculated	calculate	VERB
ap-8481	223	15	and	and	CCONJ
ap-8481	223	16	is	be	AUX
ap-8481	223	17	subtracted	subtract	VERB
ap-8481	223	18	from	from	ADP
ap-8481	223	19	the	the	DET
ap-8481	223	20	received	receive	VERB
ap-8481	223	21	data	datum	NOUN
ap-8481	223	22	.	.	PUNCT
ap-8481	224	1	finally	finally	ADV
ap-8481	224	2	,	,	PUNCT
ap-8481	224	3	according	accord	VERB
ap-8481	224	4	to	to	ADP
ap-8481	224	5	the	the	DET
ap-8481	224	6	data	datum	NOUN
ap-8481	224	7	obtained	obtain	VERB
ap-8481	224	8	from	from	ADP
ap-8481	224	9	the	the	DET
ap-8481	224	10	previous	previous	ADJ
ap-8481	224	11	step	step	NOUN
ap-8481	224	12	,	,	PUNCT
ap-8481	224	13	the	the	DET
ap-8481	224	14	far	far	ADJ
ap-8481	224	15	channel	channel	NOUN
ap-8481	224	16	is	be	AUX
ap-8481	224	17	estimated	estimate	VERB
ap-8481	224	18	and	and	CCONJ
ap-8481	224	19	the	the	DET
ap-8481	224	20	far	far	ADJ
ap-8481	224	21	data	datum	NOUN
ap-8481	224	22	are	be	AUX
ap-8481	224	23	extracted	extract	VERB
ap-8481	224	24	,	,	PUNCT
ap-8481	224	25	according	accord	VERB
ap-8481	224	26	to	to	ADP
ap-8481	224	27	equation	equation	NOUN
ap-8481	224	28	30	30	NUM
ap-8481	224	29	(	(	PUNCT
ap-8481	224	30	of	of	ADP
ap-8481	224	31	course	course	NOUN
ap-8481	224	32	,	,	PUNCT
ap-8481	224	33	in	in	ADP
ap-8481	224	34	the	the	DET
ap-8481	224	35	proposed	propose	VERB
ap-8481	224	36	method	method	NOUN
ap-8481	224	37	,	,	PUNCT
ap-8481	224	38	due	due	ADP
ap-8481	224	39	to	to	ADP
ap-8481	224	40	the	the	DET
ap-8481	224	41	existence	existence	NOUN
ap-8481	224	42	of	of	ADP
ap-8481	224	43	orthogonality	orthogonality	NOUN
ap-8481	224	44	,	,	PUNCT
ap-8481	224	45	both	both	DET
ap-8481	224	46	self	self	NOUN
ap-8481	224	47	and	and	CCONJ
ap-8481	224	48	far	far	ADJ
ap-8481	224	49	channels	channel	NOUN
ap-8481	224	50	are	be	AUX
ap-8481	224	51	estimated	estimate	VERB
ap-8481	224	52	simultaneously	simultaneously	ADV
ap-8481	224	53	)	)	PUNCT
ap-8481	224	54	.	.	PUNCT
ap-8481	225	1	that	that	PRON
ap-8481	225	2	is	be	AUX
ap-8481	225	3	why	why	SCONJ
ap-8481	225	4	the	the	DET
ap-8481	225	5	bit	bit	NOUN
ap-8481	225	6	error	error	NOUN
ap-8481	225	7	efficiency	efficiency	NOUN
ap-8481	225	8	of	of	ADP
ap-8481	225	9	the	the	DET
ap-8481	225	10	half	half	ADJ
ap-8481	225	11	-	-	PUNCT
ap-8481	225	12	duplex	duplex	NOUN
ap-8481	225	13	system	system	NOUN
ap-8481	225	14	is	be	AUX
ap-8481	225	15	slightly	slightly	ADV
ap-8481	225	16	better	well	ADJ
ap-8481	225	17	than	than	ADP
ap-8481	225	18	that	that	PRON
ap-8481	225	19	of	of	ADP
ap-8481	225	20	the	the	DET
ap-8481	225	21	full	full	ADJ
ap-8481	225	22	-	-	PUNCT
ap-8481	225	23	duplex	duplex	NOUN
ap-8481	225	24	system	system	NOUN
ap-8481	225	25	.	.	PUNCT
ap-8481	226	1	of	of	ADP
ap-8481	226	2	course	course	NOUN
ap-8481	226	3	,	,	PUNCT
ap-8481	226	4	it	it	PRON
ap-8481	226	5	should	should	AUX
ap-8481	226	6	be	be	AUX
ap-8481	226	7	mentioned	mention	VERB
ap-8481	226	8	again	again	ADV
ap-8481	226	9	that	that	SCONJ
ap-8481	226	10	the	the	DET
ap-8481	226	11	bandwidth	bandwidth	ADJ
ap-8481	226	12	usage	usage	NOUN
ap-8481	226	13	of	of	ADP
ap-8481	226	14	the	the	DET
ap-8481	226	15	full	full	ADJ
ap-8481	226	16	-	-	PUNCT
ap-8481	226	17	duplex	duplex	NOUN
ap-8481	226	18	system	system	NOUN
ap-8481	226	19	is	be	AUX
ap-8481	226	20	twice	twice	ADV
ap-8481	226	21	that	that	PRON
ap-8481	226	22	of	of	ADP
ap-8481	226	23	the	the	DET
ap-8481	226	24	half	half	ADJ
ap-8481	226	25	-	-	PUNCT
ap-8481	226	26	duplex	duplex	NOUN
ap-8481	226	27	system	system	NOUN
ap-8481	226	28	.	.	PUNCT
ap-8481	227	1	(	(	PUNCT
ap-8481	227	2	a	a	NOUN
ap-8481	227	3	)	)	PUNCT
ap-8481	227	4	.	.	PUNCT
ap-8481	228	1	θ	θ	X
ap-8481	228	2	=	=	PUNCT
ap-8481	229	1	0	0	NUM
ap-8481	229	2	°	°	NUM
ap-8481	229	3	.	.	PUNCT
ap-8481	230	1	(	(	PUNCT
ap-8481	230	2	b	b	NOUN
ap-8481	230	3	)	)	PUNCT
ap-8481	230	4	.	.	PUNCT
ap-8481	231	1	θ	θ	X
ap-8481	231	2	=	=	PUNCT
ap-8481	231	3	4	4	NUM
ap-8481	231	4	°	°	NUM
ap-8481	231	5	.	.	PUNCT
ap-8481	232	1	figure	figure	NOUN
ap-8481	232	2	10	10	NUM
ap-8481	232	3	.	.	PUNCT
ap-8481	233	1	ber	ber	NOUN
ap-8481	233	2	of	of	ADP
ap-8481	233	3	the	the	DET
ap-8481	233	4	mmse	mmse	ADJ
ap-8481	233	5	channel	channel	NOUN
ap-8481	233	6	estimation	estimation	NOUN
ap-8481	233	7	at	at	ADP
ap-8481	233	8	different	different	ADJ
ap-8481	233	9	angles	angle	NOUN
ap-8481	233	10	.	.	PUNCT
ap-8481	234	1	in	in	ADP
ap-8481	234	2	figure	figure	NOUN
ap-8481	234	3	11	11	NUM
ap-8481	234	4	and	and	CCONJ
ap-8481	234	5	figure	figure	NOUN
ap-8481	234	6	12	12	NUM
ap-8481	234	7	,	,	PUNCT
ap-8481	234	8	the	the	DET
ap-8481	234	9	mse	mse	NOUN
ap-8481	234	10	and	and	CCONJ
ap-8481	234	11	ber	ber	PROPN
ap-8481	234	12	curves	curve	NOUN
ap-8481	234	13	were	be	AUX
ap-8481	234	14	displayed	display	VERB
ap-8481	234	15	using	use	VERB
ap-8481	234	16	the	the	DET
ap-8481	234	17	mmse	mmse	ADJ
ap-8481	234	18	channel	channel	NOUN
ap-8481	234	19	estimation	estimation	NOUN
ap-8481	234	20	method	method	NOUN
ap-8481	234	21	for	for	ADP
ap-8481	234	22	different	different	ADJ
ap-8481	234	23	channels	channel	NOUN
ap-8481	234	24	with	with	ADP
ap-8481	234	25	different	different	ADJ
ap-8481	234	26	channel	channel	NOUN
ap-8481	234	27	lengths	length	NOUN
ap-8481	234	28	.	.	PUNCT
ap-8481	235	1	as	as	SCONJ
ap-8481	235	2	can	can	AUX
ap-8481	235	3	be	be	AUX
ap-8481	235	4	concluded	conclude	VERB
ap-8481	235	5	from	from	ADP
ap-8481	235	6	these	these	DET
ap-8481	235	7	figures	figure	NOUN
ap-8481	235	8	,	,	PUNCT
ap-8481	235	9	the	the	DET
ap-8481	235	10	proposed	propose	VERB
ap-8481	235	11	method	method	NOUN
ap-8481	235	12	for	for	ADP
ap-8481	235	13	cancelling	cancel	VERB
ap-8481	235	14	self	self	NOUN
ap-8481	235	15	-	-	PUNCT
ap-8481	235	16	interference	interference	NOUN
ap-8481	235	17	has	have	VERB
ap-8481	235	18	no	no	DET
ap-8481	235	19	limitations	limitation	NOUN
ap-8481	235	20	and	and	CCONJ
ap-8481	235	21	is	be	AUX
ap-8481	235	22	suitable	suitable	ADJ
ap-8481	235	23	for	for	ADP
ap-8481	235	24	each	each	DET
ap-8481	235	25	channel	channel	NOUN
ap-8481	235	26	with	with	ADP
ap-8481	235	27	different	different	ADJ
ap-8481	235	28	characteristics	characteristic	NOUN
ap-8481	235	29	.	.	PUNCT
ap-8481	236	1	also	also	ADV
ap-8481	236	2	,	,	PUNCT
ap-8481	236	3	we	we	PRON
ap-8481	236	4	can	can	AUX
ap-8481	236	5	see	see	VERB
ap-8481	236	6	from	from	ADP
ap-8481	236	7	figure	figure	NOUN
ap-8481	236	8	13	13	NUM
ap-8481	236	9	and	and	CCONJ
ap-8481	236	10	figure	figure	VERB
ap-8481	236	11	14	14	NUM
ap-8481	236	12	that	that	SCONJ
ap-8481	236	13	the	the	DET
ap-8481	236	14	proposed	propose	VERB
ap-8481	236	15	orthogonal	orthogonal	ADJ
ap-8481	236	16	full	full	ADJ
ap-8481	236	17	-	-	PUNCT
ap-8481	236	18	duplex	duplex	NOUN
ap-8481	236	19	method	method	NOUN
ap-8481	236	20	has	have	VERB
ap-8481	236	21	a	a	DET
ap-8481	236	22	high	high	ADJ
ap-8481	236	23	efficiency	efficiency	NOUN
ap-8481	236	24	in	in	ADP
ap-8481	236	25	dealing	deal	VERB
ap-8481	236	26	with	with	ADP
ap-8481	236	27	different	different	ADJ
ap-8481	236	28	self	self	NOUN
ap-8481	236	29	-	-	PUNCT
ap-8481	236	30	node	node	ADJ
ap-8481	236	31	and	and	CCONJ
ap-8481	236	32	far	far	ADV
ap-8481	236	33	-	-	PUNCT
ap-8481	236	34	node	node	ADJ
ap-8481	236	35	distances	distance	NOUN
ap-8481	236	36	,	,	PUNCT
ap-8481	236	37	and	and	CCONJ
ap-8481	236	38	changes	change	NOUN
ap-8481	236	39	in	in	ADP
ap-8481	236	40	the	the	DET
ap-8481	236	41	distance	distance	NOUN
ap-8481	236	42	do	do	AUX
ap-8481	236	43	not	not	PART
ap-8481	236	44	affect	affect	VERB
ap-8481	236	45	the	the	DET
ap-8481	236	46	system	system	NOUN
ap-8481	236	47	’s	’s	PART
ap-8481	236	48	efficiency	efficiency	NOUN
ap-8481	236	49	.	.	PUNCT
ap-8481	237	1	figure	figure	VERB
ap-8481	237	2	11	11	NUM
ap-8481	237	3	.	.	PUNCT
ap-8481	238	1	mse	mse	NOUN
ap-8481	238	2	of	of	ADP
ap-8481	238	3	the	the	DET
ap-8481	238	4	si	si	PROPN
ap-8481	238	5	mmse	mmse	PROPN
ap-8481	238	6	channel	channel	NOUN
ap-8481	238	7	estimation	estimation	NOUN
ap-8481	238	8	with	with	ADP
ap-8481	238	9	different	different	ADJ
ap-8481	238	10	cir	cir	NOUN
ap-8481	238	11	length	length	NOUN
ap-8481	238	12	.	.	PUNCT
ap-8481	239	1	32	32	NUM
ap-8481	239	2	vol	vol	NOUN
ap-8481	239	3	.	.	PUNCT
ap-8481	239	4	63	63	NUM
ap-8481	239	5	no	no	NOUN
ap-8481	239	6	.	.	PUNCT
ap-8481	240	1	1/2023	1/2023	NUM
ap-8481	240	2	self	self	NOUN
ap-8481	240	3	-	-	PUNCT
ap-8481	240	4	interference	interference	NOUN
ap-8481	240	5	cancellation	cancellation	NOUN
ap-8481	240	6	in	in	ADP
ap-8481	240	7	underwater	underwater	ADJ
ap-8481	240	8	acoustic	acoustic	ADJ
ap-8481	240	9	communications	communication	NOUN
ap-8481	240	10	.	.	PUNCT
ap-8481	240	11	.	.	PUNCT
ap-8481	240	12	.	.	PUNCT
ap-8481	241	1	figure	figure	NOUN
ap-8481	241	2	12	12	NUM
ap-8481	241	3	.	.	PUNCT
ap-8481	242	1	ber	ber	NOUN
ap-8481	242	2	of	of	ADP
ap-8481	242	3	the	the	DET
ap-8481	242	4	far	far	ADV
ap-8481	242	5	mmse	mmse	ADJ
ap-8481	242	6	channel	channel	NOUN
ap-8481	242	7	estimation	estimation	NOUN
ap-8481	242	8	with	with	ADP
ap-8481	242	9	different	different	ADJ
ap-8481	242	10	cir	cir	NOUN
ap-8481	242	11	length	length	NOUN
ap-8481	242	12	.	.	PUNCT
ap-8481	243	1	figure	figure	NOUN
ap-8481	243	2	13	13	NUM
ap-8481	243	3	.	.	PUNCT
ap-8481	244	1	mse	mse	PROPN
ap-8481	244	2	of	of	ADP
ap-8481	244	3	the	the	DET
ap-8481	244	4	si	si	PROPN
ap-8481	244	5	mmse	mmse	PROPN
ap-8481	244	6	channel	channel	NOUN
ap-8481	244	7	estimation	estimation	NOUN
ap-8481	244	8	with	with	ADP
ap-8481	244	9	different	different	ADJ
ap-8481	244	10	distances	distance	NOUN
ap-8481	244	11	.	.	PUNCT
ap-8481	245	1	figure	figure	VERB
ap-8481	245	2	14	14	NUM
ap-8481	245	3	.	.	PUNCT
ap-8481	246	1	ber	ber	NOUN
ap-8481	246	2	of	of	ADP
ap-8481	246	3	the	the	DET
ap-8481	246	4	far	far	ADV
ap-8481	246	5	mmse	mmse	ADJ
ap-8481	246	6	channel	channel	NOUN
ap-8481	246	7	estimation	estimation	NOUN
ap-8481	246	8	with	with	ADP
ap-8481	246	9	different	different	ADJ
ap-8481	246	10	distances	distance	NOUN
ap-8481	246	11	.	.	PUNCT
ap-8481	247	1	33	33	NUM
ap-8481	247	2	hala	hala	PROPN
ap-8481	247	3	a.	a.	PROPN
ap-8481	247	4	naman	naman	PROPN
ap-8481	247	5	,	,	PUNCT
ap-8481	247	6	ammar	ammar	PROPN
ap-8481	247	7	e.	e.	PROPN
ap-8481	247	8	abdelkareem	abdelkareem	PROPN
ap-8481	247	9	acta	acta	PROPN
ap-8481	247	10	polytechnica	polytechnica	PROPN
ap-8481	247	11	finally	finally	ADV
ap-8481	247	12	,	,	PUNCT
ap-8481	247	13	figure	figure	VERB
ap-8481	247	14	15	15	NUM
ap-8481	247	15	shows	show	VERB
ap-8481	247	16	the	the	DET
ap-8481	247	17	actual	actual	ADJ
ap-8481	247	18	and	and	CCONJ
ap-8481	247	19	estimated	estimated	ADJ
ap-8481	247	20	channel	channel	NOUN
ap-8481	247	21	frequency	frequency	NOUN
ap-8481	247	22	response	response	NOUN
ap-8481	247	23	for	for	ADP
ap-8481	247	24	both	both	CCONJ
ap-8481	247	25	the	the	DET
ap-8481	247	26	self	self	NOUN
ap-8481	247	27	-	-	PUNCT
ap-8481	247	28	channel	channel	NOUN
ap-8481	247	29	and	and	CCONJ
ap-8481	247	30	the	the	DET
ap-8481	247	31	far	far	ADV
ap-8481	247	32	-	-	PUNCT
ap-8481	247	33	channel	channel	NOUN
ap-8481	247	34	.	.	PUNCT
ap-8481	248	1	as	as	SCONJ
ap-8481	248	2	can	can	AUX
ap-8481	248	3	be	be	AUX
ap-8481	248	4	seen	see	VERB
ap-8481	248	5	,	,	PUNCT
ap-8481	248	6	the	the	DET
ap-8481	248	7	channel	channel	NOUN
ap-8481	248	8	estimation	estimation	NOUN
ap-8481	248	9	accuracy	accuracy	NOUN
ap-8481	248	10	is	be	AUX
ap-8481	248	11	excellent	excellent	ADJ
ap-8481	248	12	in	in	ADP
ap-8481	248	13	both	both	DET
ap-8481	248	14	channels	channel	NOUN
ap-8481	248	15	,	,	PUNCT
ap-8481	248	16	and	and	CCONJ
ap-8481	248	17	this	this	PRON
ap-8481	248	18	is	be	AUX
ap-8481	248	19	due	due	ADJ
ap-8481	248	20	to	to	ADP
ap-8481	248	21	the	the	DET
ap-8481	248	22	accurate	accurate	ADJ
ap-8481	248	23	separation	separation	NOUN
ap-8481	248	24	of	of	ADP
ap-8481	248	25	the	the	DET
ap-8481	248	26	two	two	NUM
ap-8481	248	27	self	self	NOUN
ap-8481	248	28	signal	signal	NOUN
ap-8481	248	29	and	and	CCONJ
ap-8481	248	30	far	far	ADJ
ap-8481	248	31	signal	signal	NOUN
ap-8481	248	32	.	.	PUNCT
ap-8481	249	1	in	in	ADP
ap-8481	249	2	the	the	DET
ap-8481	249	3	proposed	propose	VERB
ap-8481	249	4	system	system	NOUN
ap-8481	249	5	,	,	PUNCT
ap-8481	249	6	by	by	ADP
ap-8481	249	7	establishing	establish	VERB
ap-8481	249	8	orthogonality	orthogonality	NOUN
ap-8481	249	9	conditions	condition	NOUN
ap-8481	249	10	between	between	ADP
ap-8481	249	11	two	two	NUM
ap-8481	249	12	signals	signal	NOUN
ap-8481	249	13	,	,	PUNCT
ap-8481	249	14	the	the	DET
ap-8481	249	15	estimation	estimation	NOUN
ap-8481	249	16	of	of	ADP
ap-8481	249	17	both	both	DET
ap-8481	249	18	channels	channel	NOUN
ap-8481	249	19	occurs	occur	VERB
ap-8481	249	20	simultaneously	simultaneously	ADV
ap-8481	249	21	and	and	CCONJ
ap-8481	249	22	the	the	DET
ap-8481	249	23	elimination	elimination	NOUN
ap-8481	249	24	of	of	ADP
ap-8481	249	25	self	self	NOUN
ap-8481	249	26	-	-	PUNCT
ap-8481	249	27	interference	interference	NOUN
ap-8481	249	28	is	be	AUX
ap-8481	249	29	done	do	VERB
ap-8481	249	30	effectively	effectively	ADV
ap-8481	249	31	,	,	PUNCT
ap-8481	249	32	which	which	PRON
ap-8481	249	33	is	be	AUX
ap-8481	249	34	a	a	DET
ap-8481	249	35	big	big	ADJ
ap-8481	249	36	problem	problem	NOUN
ap-8481	249	37	in	in	ADP
ap-8481	249	38	full	full	ADJ
ap-8481	249	39	-	-	PUNCT
ap-8481	249	40	duplex	duplex	NOUN
ap-8481	249	41	systems	system	NOUN
ap-8481	249	42	,	,	PUNCT
ap-8481	249	43	and	and	CCONJ
ap-8481	249	44	the	the	DET
ap-8481	249	45	proposed	propose	VERB
ap-8481	249	46	method	method	NOUN
ap-8481	249	47	of	of	ADP
ap-8481	249	48	this	this	DET
ap-8481	249	49	paper	paper	NOUN
ap-8481	249	50	can	can	AUX
ap-8481	249	51	be	be	AUX
ap-8481	249	52	a	a	DET
ap-8481	249	53	suitable	suitable	ADJ
ap-8481	249	54	solution	solution	NOUN
ap-8481	249	55	of	of	ADP
ap-8481	249	56	this	this	DET
ap-8481	249	57	problem	problem	NOUN
ap-8481	249	58	.	.	PUNCT
ap-8481	250	1	(	(	PUNCT
ap-8481	250	2	a	a	X
ap-8481	250	3	)	)	PUNCT
ap-8481	250	4	.	.	PUNCT
ap-8481	251	1	self	self	NOUN
ap-8481	251	2	channel	channel	PROPN
ap-8481	251	3	.	.	PUNCT
ap-8481	252	1	(	(	PUNCT
ap-8481	252	2	b	b	NOUN
ap-8481	252	3	)	)	PUNCT
ap-8481	252	4	.	.	PUNCT
ap-8481	253	1	far	far	ADJ
ap-8481	253	2	channel	channel	NOUN
ap-8481	253	3	.	.	PUNCT
ap-8481	254	1	figure	figure	NOUN
ap-8481	254	2	15	15	NUM
ap-8481	254	3	.	.	PUNCT
ap-8481	255	1	estimation	estimation	NOUN
ap-8481	255	2	of	of	ADP
ap-8481	255	3	cfr	cfr	PROPN
ap-8481	255	4	.	.	PUNCT
ap-8481	256	1	5	5	NUM
ap-8481	256	2	.	.	X
ap-8481	256	3	conclusion	conclusion	NOUN
ap-8481	256	4	in	in	ADP
ap-8481	256	5	this	this	DET
ap-8481	256	6	paper	paper	NOUN
ap-8481	256	7	,	,	PUNCT
ap-8481	256	8	the	the	DET
ap-8481	256	9	separation	separation	NOUN
ap-8481	256	10	of	of	ADP
ap-8481	256	11	self	self	NOUN
ap-8481	256	12	signal	signal	NOUN
ap-8481	256	13	from	from	ADP
ap-8481	256	14	far	far	ADJ
ap-8481	256	15	signal	signal	NOUN
ap-8481	256	16	in	in	ADP
ap-8481	256	17	full	full	ADJ
ap-8481	256	18	-	-	PUNCT
ap-8481	256	19	duplex	duplex	NOUN
ap-8481	256	20	systems	system	NOUN
ap-8481	256	21	is	be	AUX
ap-8481	256	22	presented	present	VERB
ap-8481	256	23	.	.	PUNCT
ap-8481	257	1	the	the	DET
ap-8481	257	2	proposed	propose	VERB
ap-8481	257	3	self	self	NOUN
ap-8481	257	4	-	-	PUNCT
ap-8481	257	5	interference	interference	NOUN
ap-8481	257	6	cancelation	cancelation	NOUN
ap-8481	257	7	method	method	NOUN
ap-8481	257	8	uses	use	VERB
ap-8481	257	9	two	two	NUM
ap-8481	257	10	received	receive	VERB
ap-8481	257	11	ofdm	ofdm	NOUN
ap-8481	257	12	blocks	block	NOUN
ap-8481	257	13	and	and	CCONJ
ap-8481	257	14	provides	provide	VERB
ap-8481	257	15	orthogonality	orthogonality	NOUN
ap-8481	257	16	between	between	ADP
ap-8481	257	17	the	the	DET
ap-8481	257	18	self	self	NOUN
ap-8481	257	19	signal	signal	NOUN
ap-8481	257	20	and	and	CCONJ
ap-8481	257	21	the	the	DET
ap-8481	257	22	far	far	ADJ
ap-8481	257	23	signal	signal	NOUN
ap-8481	257	24	,	,	PUNCT
ap-8481	257	25	and	and	CCONJ
ap-8481	257	26	in	in	ADP
ap-8481	257	27	this	this	DET
ap-8481	257	28	way	way	NOUN
ap-8481	257	29	separates	separate	VERB
ap-8481	257	30	the	the	DET
ap-8481	257	31	far	far	ADJ
ap-8481	257	32	signal	signal	NOUN
ap-8481	257	33	from	from	ADP
ap-8481	257	34	the	the	DET
ap-8481	257	35	self	self	NOUN
ap-8481	257	36	-	-	PUNCT
ap-8481	257	37	interference	interference	NOUN
ap-8481	257	38	signal	signal	NOUN
ap-8481	257	39	.	.	PUNCT
ap-8481	258	1	the	the	DET
ap-8481	258	2	main	main	ADJ
ap-8481	258	3	contribution	contribution	NOUN
ap-8481	258	4	of	of	ADP
ap-8481	258	5	this	this	DET
ap-8481	258	6	paper	paper	NOUN
ap-8481	258	7	is	be	AUX
ap-8481	258	8	the	the	DET
ap-8481	258	9	complete	complete	ADJ
ap-8481	258	10	and	and	CCONJ
ap-8481	258	11	accurate	accurate	ADJ
ap-8481	258	12	cancelation	cancelation	NOUN
ap-8481	258	13	of	of	ADP
ap-8481	258	14	self	self	NOUN
ap-8481	258	15	-	-	PUNCT
ap-8481	258	16	interference	interference	NOUN
ap-8481	258	17	from	from	ADP
ap-8481	258	18	the	the	DET
ap-8481	258	19	far	far	ADJ
ap-8481	258	20	signal	signal	NOUN
ap-8481	258	21	without	without	ADP
ap-8481	258	22	the	the	DET
ap-8481	258	23	conditions	condition	NOUN
ap-8481	258	24	of	of	ADP
ap-8481	258	25	the	the	DET
ap-8481	258	26	self	self	NOUN
ap-8481	258	27	and	and	CCONJ
ap-8481	259	1	far	far	ADJ
ap-8481	259	2	channels	channel	NOUN
ap-8481	259	3	affecting	affect	VERB
ap-8481	259	4	the	the	DET
ap-8481	259	5	efficiency	efficiency	NOUN
ap-8481	259	6	of	of	ADP
ap-8481	259	7	the	the	DET
ap-8481	259	8	proposed	propose	VERB
ap-8481	259	9	method	method	NOUN
ap-8481	259	10	,	,	PUNCT
ap-8481	259	11	unlike	unlike	ADP
ap-8481	259	12	previous	previous	ADJ
ap-8481	259	13	works	work	NOUN
ap-8481	259	14	that	that	PRON
ap-8481	259	15	had	have	VERB
ap-8481	259	16	these	these	DET
ap-8481	259	17	problems	problem	NOUN
ap-8481	259	18	.	.	PUNCT
ap-8481	260	1	the	the	DET
ap-8481	260	2	correctness	correctness	NOUN
ap-8481	260	3	of	of	ADP
ap-8481	260	4	the	the	DET
ap-8481	260	5	proposed	propose	VERB
ap-8481	260	6	method	method	NOUN
ap-8481	260	7	has	have	AUX
ap-8481	260	8	been	be	AUX
ap-8481	260	9	proved	prove	VERB
ap-8481	260	10	mathematically	mathematically	ADV
ap-8481	260	11	and	and	CCONJ
ap-8481	260	12	it	it	PRON
ap-8481	260	13	has	have	AUX
ap-8481	260	14	been	be	AUX
ap-8481	260	15	shown	show	VERB
ap-8481	260	16	by	by	ADP
ap-8481	260	17	a	a	DET
ap-8481	260	18	simulation	simulation	NOUN
ap-8481	260	19	and	and	CCONJ
ap-8481	260	20	comparison	comparison	NOUN
ap-8481	260	21	with	with	ADP
ap-8481	260	22	the	the	DET
ap-8481	260	23	half	half	ADJ
ap-8481	260	24	-	-	PUNCT
ap-8481	260	25	duplex	duplex	NOUN
ap-8481	260	26	system	system	NOUN
ap-8481	260	27	that	that	PRON
ap-8481	260	28	the	the	DET
ap-8481	260	29	efficiency	efficiency	NOUN
ap-8481	260	30	of	of	ADP
ap-8481	260	31	channel	channel	NOUN
ap-8481	260	32	estimation	estimation	NOUN
ap-8481	260	33	and	and	CCONJ
ap-8481	260	34	receiving	receive	VERB
ap-8481	260	35	far	far	ADV
ap-8481	260	36	-	-	PUNCT
ap-8481	260	37	node	node	NOUN
ap-8481	260	38	data	datum	NOUN
ap-8481	260	39	in	in	ADP
ap-8481	260	40	the	the	DET
ap-8481	260	41	proposed	propose	VERB
ap-8481	260	42	full	full	ADJ
ap-8481	260	43	-	-	PUNCT
ap-8481	260	44	duplex	duplex	NOUN
ap-8481	260	45	system	system	NOUN
ap-8481	260	46	are	be	AUX
ap-8481	260	47	the	the	DET
ap-8481	260	48	same	same	ADJ
ap-8481	260	49	as	as	ADP
ap-8481	260	50	that	that	PRON
ap-8481	260	51	of	of	ADP
ap-8481	260	52	the	the	DET
ap-8481	260	53	half	half	ADJ
ap-8481	260	54	-	-	PUNCT
ap-8481	260	55	duplex	duplex	NOUN
ap-8481	260	56	system	system	NOUN
ap-8481	260	57	.	.	PUNCT
ap-8481	261	1	it	it	PRON
ap-8481	261	2	is	be	AUX
ap-8481	261	3	also	also	ADV
ap-8481	261	4	shown	show	VERB
ap-8481	261	5	that	that	SCONJ
ap-8481	261	6	the	the	DET
ap-8481	261	7	proposed	propose	VERB
ap-8481	261	8	method	method	NOUN
ap-8481	261	9	has	have	VERB
ap-8481	261	10	a	a	DET
ap-8481	261	11	good	good	ADJ
ap-8481	261	12	performance	performance	NOUN
ap-8481	261	13	with	with	ADP
ap-8481	261	14	fixed	fix	VERB
ap-8481	261	15	or	or	CCONJ
ap-8481	261	16	shifted	shift	VERB
ap-8481	261	17	fd	fd	PROPN
ap-8481	262	1	and	and	CCONJ
ap-8481	262	2	no	no	DET
ap-8481	262	3	dependence	dependence	NOUN
ap-8481	262	4	on	on	ADP
ap-8481	262	5	the	the	DET
ap-8481	262	6	channel	channel	NOUN
ap-8481	262	7	length	length	NOUN
ap-8481	262	8	or	or	CCONJ
ap-8481	262	9	distance	distance	NOUN
ap-8481	262	10	.	.	PUNCT
ap-8481	263	1	as	as	ADP
ap-8481	263	2	a	a	DET
ap-8481	263	3	result	result	NOUN
ap-8481	263	4	,	,	PUNCT
ap-8481	263	5	the	the	DET
ap-8481	263	6	proposed	propose	VERB
ap-8481	263	7	method	method	NOUN
ap-8481	263	8	can	can	AUX
ap-8481	263	9	be	be	AUX
ap-8481	263	10	considered	consider	VERB
ap-8481	263	11	a	a	DET
ap-8481	263	12	good	good	ADJ
ap-8481	263	13	solution	solution	NOUN
ap-8481	263	14	for	for	ADP
ap-8481	263	15	full	full	ADJ
ap-8481	263	16	-	-	PUNCT
ap-8481	263	17	duplex	duplex	NOUN
ap-8481	263	18	systems	system	NOUN
ap-8481	263	19	with	with	ADP
ap-8481	263	20	much	much	ADV
ap-8481	263	21	better	well	ADJ
ap-8481	263	22	spectral	spectral	ADJ
ap-8481	263	23	performance	performance	NOUN
ap-8481	263	24	than	than	ADP
ap-8481	263	25	half	half	ADJ
ap-8481	263	26	-	-	PUNCT
ap-8481	263	27	duplex	duplex	NOUN
ap-8481	263	28	systems	system	NOUN
ap-8481	263	29	.	.	PUNCT
ap-8481	264	1	the	the	DET
ap-8481	264	2	findings	finding	NOUN
ap-8481	264	3	also	also	ADV
ap-8481	264	4	indicate	indicate	VERB
ap-8481	264	5	that	that	SCONJ
ap-8481	264	6	the	the	DET
ap-8481	264	7	proposed	propose	VERB
ap-8481	264	8	channel	channel	NOUN
ap-8481	264	9	model	model	NOUN
ap-8481	264	10	correctly	correctly	ADV
ap-8481	264	11	represents	represent	VERB
ap-8481	264	12	the	the	DET
ap-8481	264	13	behaviour	behaviour	NOUN
ap-8481	264	14	of	of	ADP
ap-8481	264	15	multipath	multipath	NOUN
ap-8481	264	16	propagation	propagation	NOUN
ap-8481	264	17	in	in	ADP
ap-8481	264	18	a	a	DET
ap-8481	264	19	shallow	shallow	ADJ
ap-8481	264	20	water	water	NOUN
ap-8481	264	21	environment	environment	NOUN
ap-8481	264	22	in	in	ADP
ap-8481	264	23	a	a	DET
ap-8481	264	24	delay	delay	NOUN
ap-8481	264	25	spread	spread	VERB
ap-8481	264	26	as	as	ADP
ap-8481	264	27	compared	compare	VERB
ap-8481	264	28	with	with	ADP
ap-8481	264	29	the	the	DET
ap-8481	264	30	traditional	traditional	ADJ
ap-8481	264	31	works	work	NOUN
ap-8481	264	32	in	in	ADP
ap-8481	264	33	horizontal	horizontal	ADJ
ap-8481	264	34	communications	communication	NOUN
ap-8481	264	35	,	,	PUNCT
ap-8481	264	36	where	where	SCONJ
ap-8481	264	37	the	the	DET
ap-8481	264	38	results	result	NOUN
ap-8481	264	39	at	at	ADP
ap-8481	264	40	θ	θ	PROPN
ap-8481	264	41	=	=	SYM
ap-8481	264	42	90	90	NUM
ap-8481	264	43	°	°	NOUN
ap-8481	264	44	are	be	AUX
ap-8481	264	45	very	very	ADV
ap-8481	264	46	close	close	ADJ
ap-8481	264	47	with	with	ADP
ap-8481	264	48	bellhop	bellhop	ADJ
ap-8481	264	49	simulator	simulator	NOUN
ap-8481	264	50	for	for	ADP
ap-8481	264	51	delay	delay	NOUN
ap-8481	264	52	spread	spread	PROPN
ap-8481	264	53	measurement	measurement	NOUN
ap-8481	264	54	.	.	PUNCT
ap-8481	265	1	references	reference	NOUN
ap-8481	265	2	[	[	X
ap-8481	265	3	1	1	NUM
ap-8481	265	4	]	]	PUNCT
ap-8481	265	5	m.	m.	NOUN
ap-8481	265	6	stojanovic	stojanovic	PROPN
ap-8481	265	7	,	,	PUNCT
ap-8481	265	8	j.	j.	PROPN
ap-8481	265	9	preisig	preisig	PROPN
ap-8481	265	10	.	.	PUNCT
ap-8481	266	1	underwater	underwater	ADJ
ap-8481	266	2	acoustic	acoustic	ADJ
ap-8481	266	3	communication	communication	NOUN
ap-8481	266	4	channels	channel	NOUN
ap-8481	266	5	:	:	PUNCT
ap-8481	266	6	propagation	propagation	NOUN
ap-8481	266	7	models	model	NOUN
ap-8481	266	8	and	and	CCONJ
ap-8481	266	9	statistical	statistical	ADJ
ap-8481	266	10	characterization	characterization	NOUN
ap-8481	266	11	.	.	PUNCT
ap-8481	267	1	ieee	ieee	NOUN
ap-8481	267	2	communications	communications	PROPN
ap-8481	267	3	magazine	magazine	NOUN
ap-8481	267	4	47(1):84–89	47(1):84–89	NUM
ap-8481	267	5	,	,	PUNCT
ap-8481	267	6	2009	2009	NUM
ap-8481	267	7	.	.	PUNCT
ap-8481	268	1	https://doi.org/10.1109/mcom.2009.4752682	https://doi.org/10.1109/mcom.2009.4752682	PROPN
ap-8481	269	1	[	[	X
ap-8481	269	2	2	2	NUM
ap-8481	269	3	]	]	PUNCT
ap-8481	269	4	a.	a.	PROPN
ap-8481	269	5	e.	e.	PROPN
ap-8481	269	6	abdelkareem	abdelkareem	PROPN
ap-8481	269	7	,	,	PUNCT
ap-8481	269	8	b.	b.	PROPN
ap-8481	269	9	s.	s.	PROPN
ap-8481	269	10	sharif	sharif	PROPN
ap-8481	269	11	,	,	PUNCT
ap-8481	269	12	c.	c.	PROPN
ap-8481	269	13	c.	c.	PROPN
ap-8481	269	14	tsimenidis	tsimenidis	PROPN
ap-8481	269	15	,	,	PUNCT
ap-8481	269	16	j.	j.	PROPN
ap-8481	269	17	a.	a.	PROPN
ap-8481	269	18	neasham	neasham	PROPN
ap-8481	269	19	.	.	PUNCT
ap-8481	270	1	compensation	compensation	NOUN
ap-8481	270	2	of	of	ADP
ap-8481	270	3	linear	linear	PROPN
ap-8481	270	4	multiscale	multiscale	ADJ
ap-8481	270	5	doppler	doppler	NOUN
ap-8481	270	6	for	for	ADP
ap-8481	270	7	ofdm	ofdm	NOUN
ap-8481	270	8	-	-	PUNCT
ap-8481	270	9	based	base	VERB
ap-8481	270	10	underwater	underwater	ADJ
ap-8481	270	11	acoustic	acoustic	ADJ
ap-8481	270	12	communication	communication	NOUN
ap-8481	270	13	systems	system	NOUN
ap-8481	270	14	.	.	PUNCT
ap-8481	271	1	compensation	compensation	NOUN
ap-8481	271	2	of	of	ADP
ap-8481	271	3	linear	linear	PROPN
ap-8481	271	4	multiscale	multiscale	ADJ
ap-8481	271	5	doppler	doppler	NOUN
ap-8481	271	6	for	for	ADP
ap-8481	271	7	ofdmbased	ofdmbase	VERB
ap-8481	271	8	underwater	underwater	ADJ
ap-8481	271	9	acoustic	acoustic	ADJ
ap-8481	271	10	communication	communication	NOUN
ap-8481	271	11	systems	system	NOUN
ap-8481	271	12	2012:139416	2012:139416	NUM
ap-8481	271	13	,	,	PUNCT
ap-8481	271	14	2012	2012	NUM
ap-8481	271	15	.	.	PUNCT
ap-8481	272	1	https://doi.org/10.1155/2012/139416	https://doi.org/10.1155/2012/139416	X
ap-8481	273	1	[	[	X
ap-8481	273	2	3	3	X
ap-8481	273	3	]	]	PUNCT
ap-8481	273	4	m.	m.	NOUN
ap-8481	273	5	c.	c.	PROPN
ap-8481	273	6	domingo	domingo	PROPN
ap-8481	273	7	.	.	PUNCT
ap-8481	274	1	overview	overview	NOUN
ap-8481	274	2	of	of	ADP
ap-8481	274	3	channel	channel	NOUN
ap-8481	274	4	models	model	NOUN
ap-8481	274	5	for	for	ADP
ap-8481	274	6	underwater	underwater	ADJ
ap-8481	274	7	wireless	wireless	ADJ
ap-8481	274	8	communication	communication	NOUN
ap-8481	274	9	networks	network	NOUN
ap-8481	274	10	.	.	PUNCT
ap-8481	275	1	physical	physical	ADJ
ap-8481	275	2	communication	communication	NOUN
ap-8481	275	3	1(3):163–182	1(3):163–182	NUM
ap-8481	275	4	,	,	PUNCT
ap-8481	275	5	2008	2008	NUM
ap-8481	275	6	.	.	PUNCT
ap-8481	276	1	https://doi.org/10.1016/j.phycom.2008.09.001	https://doi.org/10.1016/j.phycom.2008.09.001	ADJ
ap-8481	276	2	[	[	X
ap-8481	276	3	4	4	NUM
ap-8481	276	4	]	]	PUNCT
ap-8481	276	5	z.	z.	PROPN
ap-8481	276	6	zhang	zhang	PROPN
ap-8481	276	7	,	,	PUNCT
ap-8481	276	8	k.	k.	PROPN
ap-8481	276	9	long	long	ADV
ap-8481	276	10	,	,	PUNCT
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ap-8481	277	4	wireless	wireless	ADJ
ap-8481	277	5	communications	communication	NOUN
ap-8481	277	6	:	:	PUNCT
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ap-8481	279	14	s.	s.	PROPN
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ap-8481	280	2	-	-	PUNCT
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ap-8481	280	4	full	full	ADJ
ap-8481	280	5	-	-	PUNCT
ap-8481	280	6	duplex	duplex	NOUN
ap-8481	280	7	technology	technology	NOUN
ap-8481	280	8	:	:	PUNCT
ap-8481	280	9	techniques	technique	NOUN
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ap-8481	280	11	systems	system	NOUN
ap-8481	280	12	survey	survey	NOUN
ap-8481	280	13	.	.	PUNCT
ap-8481	281	1	ieee	ieee	NOUN
ap-8481	281	2	transactions	transaction	NOUN
ap-8481	281	3	on	on	ADP
ap-8481	281	4	microwave	microwave	NOUN
ap-8481	281	5	theory	theory	NOUN
ap-8481	281	6	and	and	CCONJ
ap-8481	281	7	techniques	technique	NOUN
ap-8481	281	8	67(7):3025–3041	67(7):3025–3041	PROPN
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ap-8481	281	11	.	.	PUNCT
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ap-8481	285	8	acoustic	acoustic	ADJ
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ap-8481	287	2	-	-	PUNCT
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ap-8481	287	4	,	,	PUNCT
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ap-8481	287	6	-	-	NOUN
ap-8481	287	7	user	user	NOUN
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ap-8481	287	11	underwater	underwater	ADJ
ap-8481	287	12	acoustic	acoustic	ADJ
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ap-8481	291	3	]	]	PUNCT
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ap-8481	293	8	pp	pp	X
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ap-8481	294	2	.	.	PUNCT
ap-8481	295	1	2013	2013	NUM
ap-8481	295	2	.	.	PUNCT
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ap-8481	305	12	acoustic	acoustic	ADJ
ap-8481	305	13	communication	communication	NOUN
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ap-8481	306	6	intelligent	intelligent	ADJ
ap-8481	306	7	technology	technology	NOUN
ap-8481	306	8	and	and	CCONJ
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ap-8481	306	11	(	(	PUNCT
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ap-8481	306	14	,	,	PUNCT
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ap-8481	307	1	345–350	345–350	NUM
ap-8481	307	2	.	.	PUNCT
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ap-8481	307	4	.	.	PUNCT
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ap-8481	310	8	acoustic	acoustic	ADJ
ap-8481	310	9	communication	communication	NOUN
ap-8481	310	10	environments	environment	NOUN
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ap-8481	318	3	13	13	NUM
ap-8481	318	4	]	]	PUNCT
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ap-8481	318	11	s.	s.	PROPN
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ap-8481	319	8	underwater	underwater	ADJ
ap-8481	319	9	acoustic	acoustic	ADJ
ap-8481	319	10	wireless	wireless	ADJ
ap-8481	319	11	communication	communication	NOUN
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ap-8481	319	13	a	a	DET
ap-8481	319	14	tank	tank	NOUN
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