id	sid	tid	token	lemma	pos
ajst-234	1	1	academic	academic	ADJ
ajst-234	1	2	journal	journal	NOUN
ajst-234	1	3	of	of	ADP
ajst-234	1	4	science	science	NOUN
ajst-234	1	5	and	and	CCONJ
ajst-234	1	6	technology	technology	NOUN
ajst-234	1	7	issn	issn	NOUN
ajst-234	1	8	:	:	PUNCT
ajst-234	1	9	2771	2771	NUM
ajst-234	1	10	-	-	SYM
ajst-234	1	11	3032	3032	NUM
ajst-234	1	12	|	|	NOUN
ajst-234	1	13	vol	vol	NOUN
ajst-234	1	14	.	.	PROPN
ajst-234	2	1	1	1	NUM
ajst-234	2	2	,	,	PUNCT
ajst-234	2	3	no	no	INTJ
ajst-234	2	4	.	.	NOUN
ajst-234	2	5	1	1	NUM
ajst-234	2	6	,	,	PUNCT
ajst-234	2	7	2022	2022	NUM
ajst-234	2	8	5	5	NUM
ajst-234	2	9	underwater	underwater	ADJ
ajst-234	2	10	optical	optical	ADJ
ajst-234	2	11	wireless	wireless	NOUN
ajst-234	2	12	networking	networking	NOUN
ajst-234	2	13	based	base	VERB
ajst-234	2	14	on	on	ADP
ajst-234	2	15	multiple	multiple	ADJ
ajst-234	2	16	transmission‐hops	transmission‐hop	NOUN
ajst-234	2	17	luyao	luyao	PROPN
ajst-234	2	18	li	li	PROPN
ajst-234	2	19	key	key	PROPN
ajst-234	2	20	laboratory	laboratory	NOUN
ajst-234	2	21	of	of	ADP
ajst-234	2	22	electronic	electronic	ADJ
ajst-234	2	23	and	and	CCONJ
ajst-234	2	24	information	information	NOUN
ajst-234	2	25	engineering	engineering	NOUN
ajst-234	2	26	(	(	PUNCT
ajst-234	2	27	southwest	southwest	PROPN
ajst-234	2	28	minzu	minzu	PROPN
ajst-234	2	29	university	university	PROPN
ajst-234	2	30	)	)	PUNCT
ajst-234	2	31	,	,	PUNCT
ajst-234	2	32	state	state	NOUN
ajst-234	2	33	ethnic	ethnic	PROPN
ajst-234	2	34	affairs	affairs	PROPN
ajst-234	2	35	commission	commission	PROPN
ajst-234	2	36	,	,	PUNCT
ajst-234	2	37	college	college	NOUN
ajst-234	2	38	of	of	ADP
ajst-234	2	39	electronic	electronic	ADJ
ajst-234	2	40	and	and	CCONJ
ajst-234	2	41	information	information	NOUN
ajst-234	2	42	,	,	PUNCT
ajst-234	2	43	southwest	southwest	PROPN
ajst-234	2	44	minzu	minzu	PROPN
ajst-234	2	45	university	university	PROPN
ajst-234	2	46	,	,	PUNCT
ajst-234	2	47	chengdu	chengdu	PROPN
ajst-234	2	48	,	,	PUNCT
ajst-234	2	49	china	china	PROPN
ajst-234	2	50	abstract	abstract	PROPN
ajst-234	2	51	:	:	PUNCT
ajst-234	2	52	in	in	ADP
ajst-234	2	53	recent	recent	ADJ
ajst-234	2	54	years	year	NOUN
ajst-234	2	55	,	,	PUNCT
ajst-234	2	56	the	the	DET
ajst-234	2	57	demand	demand	NOUN
ajst-234	2	58	for	for	ADP
ajst-234	2	59	underwater	underwater	ADJ
ajst-234	2	60	wireless	wireless	ADJ
ajst-234	2	61	communication	communication	NOUN
ajst-234	2	62	is	be	AUX
ajst-234	2	63	increasing	increase	VERB
ajst-234	2	64	day	day	NOUN
ajst-234	2	65	by	by	ADP
ajst-234	2	66	day	day	NOUN
ajst-234	2	67	,	,	PUNCT
ajst-234	2	68	and	and	CCONJ
ajst-234	2	69	marine	marine	ADJ
ajst-234	2	70	exploration	exploration	NOUN
ajst-234	2	71	is	be	AUX
ajst-234	2	72	carried	carry	VERB
ajst-234	2	73	out	out	ADP
ajst-234	2	74	continuously	continuously	ADV
ajst-234	2	75	.	.	PUNCT
ajst-234	3	1	underwater	underwater	ADJ
ajst-234	3	2	wireless	wireless	ADJ
ajst-234	3	3	communication	communication	NOUN
ajst-234	3	4	is	be	AUX
ajst-234	3	5	mainly	mainly	ADV
ajst-234	3	6	used	use	VERB
ajst-234	3	7	in	in	ADP
ajst-234	3	8	military	military	ADJ
ajst-234	3	9	,	,	PUNCT
ajst-234	3	10	industrial	industrial	ADJ
ajst-234	3	11	and	and	CCONJ
ajst-234	3	12	scientific	scientific	ADJ
ajst-234	3	13	research	research	NOUN
ajst-234	3	14	fields	field	NOUN
ajst-234	3	15	.	.	PUNCT
ajst-234	4	1	it	it	PRON
ajst-234	4	2	plays	play	VERB
ajst-234	4	3	an	an	DET
ajst-234	4	4	important	important	ADJ
ajst-234	4	5	role	role	NOUN
ajst-234	4	6	in	in	ADP
ajst-234	4	7	the	the	DET
ajst-234	4	8	fields	field	NOUN
ajst-234	4	9	of	of	ADP
ajst-234	4	10	marine	marine	ADJ
ajst-234	4	11	environment	environment	NOUN
ajst-234	4	12	detection	detection	NOUN
ajst-234	4	13	,	,	PUNCT
ajst-234	4	14	oil	oil	NOUN
ajst-234	4	15	control	control	NOUN
ajst-234	4	16	,	,	PUNCT
ajst-234	4	17	oceanographic	oceanographic	ADJ
ajst-234	4	18	research	research	NOUN
ajst-234	4	19	and	and	CCONJ
ajst-234	4	20	tactical	tactical	ADJ
ajst-234	4	21	monitoring	monitoring	NOUN
ajst-234	4	22	.	.	PUNCT
ajst-234	5	1	wired	wire	VERB
ajst-234	5	2	or	or	CCONJ
ajst-234	5	3	optical	optical	ADJ
ajst-234	5	4	fiber	fiber	NOUN
ajst-234	5	5	technology	technology	NOUN
ajst-234	5	6	is	be	AUX
ajst-234	5	7	usually	usually	ADV
ajst-234	5	8	used	use	VERB
ajst-234	5	9	to	to	PART
ajst-234	5	10	achieve	achieve	VERB
ajst-234	5	11	high	high	ADJ
ajst-234	5	12	data	datum	NOUN
ajst-234	5	13	rate	rate	NOUN
ajst-234	5	14	and	and	CCONJ
ajst-234	5	15	reliable	reliable	ADJ
ajst-234	5	16	communication	communication	NOUN
ajst-234	5	17	.	.	PUNCT
ajst-234	6	1	however	however	ADV
ajst-234	6	2	,	,	PUNCT
ajst-234	6	3	in	in	ADP
ajst-234	6	4	the	the	DET
ajst-234	6	5	deep	deep	ADJ
ajst-234	6	6	sea	sea	NOUN
ajst-234	6	7	,	,	PUNCT
ajst-234	6	8	these	these	DET
ajst-234	6	9	optical	optical	ADJ
ajst-234	6	10	fibers	fiber	NOUN
ajst-234	6	11	or	or	CCONJ
ajst-234	6	12	cables	cable	NOUN
ajst-234	6	13	face	face	VERB
ajst-234	6	14	many	many	ADJ
ajst-234	6	15	challenges	challenge	NOUN
ajst-234	6	16	,	,	PUNCT
ajst-234	6	17	such	such	ADJ
ajst-234	6	18	as	as	ADP
ajst-234	6	19	maintenance	maintenance	NOUN
ajst-234	6	20	problems	problem	NOUN
ajst-234	6	21	,	,	PUNCT
ajst-234	6	22	physical	physical	ADJ
ajst-234	6	23	damage	damage	NOUN
ajst-234	6	24	and	and	CCONJ
ajst-234	6	25	vulnerability	vulnerability	NOUN
ajst-234	6	26	.	.	PUNCT
ajst-234	7	1	in	in	ADP
ajst-234	7	2	some	some	DET
ajst-234	7	3	places	place	NOUN
ajst-234	7	4	,	,	PUNCT
ajst-234	7	5	it	it	PRON
ajst-234	7	6	is	be	AUX
ajst-234	7	7	very	very	ADV
ajst-234	7	8	difficult	difficult	ADJ
ajst-234	7	9	to	to	PART
ajst-234	7	10	install	install	VERB
ajst-234	7	11	cables	cable	NOUN
ajst-234	7	12	or	or	CCONJ
ajst-234	7	13	optical	optical	ADJ
ajst-234	7	14	fibers	fiber	NOUN
ajst-234	7	15	.	.	PUNCT
ajst-234	8	1	in	in	ADP
ajst-234	8	2	this	this	DET
ajst-234	8	3	case	case	NOUN
ajst-234	8	4	,	,	PUNCT
ajst-234	8	5	people	people	NOUN
ajst-234	8	6	are	be	AUX
ajst-234	8	7	very	very	ADV
ajst-234	8	8	interested	interested	ADJ
ajst-234	8	9	in	in	ADP
ajst-234	8	10	wireless	wireless	ADJ
ajst-234	8	11	communication	communication	NOUN
ajst-234	8	12	technology	technology	NOUN
ajst-234	8	13	.	.	PUNCT
ajst-234	9	1	at	at	ADP
ajst-234	9	2	present	present	ADJ
ajst-234	9	3	,	,	PUNCT
ajst-234	9	4	underwater	underwater	ADJ
ajst-234	9	5	wireless	wireless	ADJ
ajst-234	9	6	communication	communication	NOUN
ajst-234	9	7	technology	technology	NOUN
ajst-234	9	8	mainly	mainly	ADV
ajst-234	9	9	includes	include	VERB
ajst-234	9	10	acoustic	acoustic	ADJ
ajst-234	9	11	signal	signal	NOUN
ajst-234	9	12	,	,	PUNCT
ajst-234	9	13	rf	rf	NOUN
ajst-234	9	14	signal	signal	NOUN
ajst-234	9	15	and	and	CCONJ
ajst-234	9	16	optical	optical	ADJ
ajst-234	9	17	signal	signal	NOUN
ajst-234	9	18	.	.	PUNCT
ajst-234	10	1	however	however	ADV
ajst-234	10	2	,	,	PUNCT
ajst-234	10	3	with	with	ADP
ajst-234	10	4	the	the	DET
ajst-234	10	5	increase	increase	NOUN
ajst-234	10	6	of	of	ADP
ajst-234	10	7	application	application	NOUN
ajst-234	10	8	requirements	requirement	NOUN
ajst-234	10	9	,	,	PUNCT
ajst-234	10	10	underwater	underwater	ADJ
ajst-234	10	11	acoustic	acoustic	ADJ
ajst-234	10	12	communication	communication	NOUN
ajst-234	10	13	and	and	CCONJ
ajst-234	10	14	electromagnetic	electromagnetic	ADJ
ajst-234	10	15	wave	wave	NOUN
ajst-234	10	16	communication	communication	NOUN
ajst-234	10	17	have	have	VERB
ajst-234	10	18	many	many	ADJ
ajst-234	10	19	limitations	limitation	NOUN
ajst-234	10	20	,	,	PUNCT
ajst-234	10	21	which	which	PRON
ajst-234	10	22	can	can	AUX
ajst-234	10	23	not	not	PART
ajst-234	10	24	meet	meet	VERB
ajst-234	10	25	our	our	PRON
ajst-234	10	26	needs	need	NOUN
ajst-234	10	27	,	,	PUNCT
ajst-234	10	28	and	and	CCONJ
ajst-234	10	29	optical	optical	ADJ
ajst-234	10	30	fiber	fiber	NOUN
ajst-234	10	31	and	and	CCONJ
ajst-234	10	32	cable	cable	NOUN
ajst-234	10	33	can	can	AUX
ajst-234	10	34	not	not	PART
ajst-234	10	35	be	be	AUX
ajst-234	10	36	installed	instal	VERB
ajst-234	10	37	in	in	ADP
ajst-234	10	38	a	a	DET
ajst-234	10	39	large	large	ADJ
ajst-234	10	40	area	area	NOUN
ajst-234	10	41	.	.	PUNCT
ajst-234	11	1	therefore	therefore	ADV
ajst-234	11	2	,	,	PUNCT
ajst-234	11	3	the	the	DET
ajst-234	11	4	research	research	NOUN
ajst-234	11	5	on	on	ADP
ajst-234	11	6	underwater	underwater	ADJ
ajst-234	11	7	wireless	wireless	ADJ
ajst-234	11	8	optical	optical	ADJ
ajst-234	11	9	communication	communication	NOUN
ajst-234	11	10	is	be	AUX
ajst-234	11	11	very	very	ADV
ajst-234	11	12	useful	useful	ADJ
ajst-234	11	13	.	.	PUNCT
ajst-234	12	1	on	on	ADP
ajst-234	12	2	the	the	DET
ajst-234	12	3	other	other	ADJ
ajst-234	12	4	hand	hand	NOUN
ajst-234	12	5	,	,	PUNCT
ajst-234	12	6	underwater	underwater	ADJ
ajst-234	12	7	optical	optical	ADJ
ajst-234	12	8	communication	communication	NOUN
ajst-234	12	9	(	(	PUNCT
ajst-234	12	10	uowc	uowc	NOUN
ajst-234	12	11	)	)	PUNCT
ajst-234	12	12	has	have	VERB
ajst-234	12	13	the	the	DET
ajst-234	12	14	advantages	advantage	NOUN
ajst-234	12	15	of	of	ADP
ajst-234	12	16	high	high	ADJ
ajst-234	12	17	bandwidth	bandwidth	NOUN
ajst-234	12	18	,	,	PUNCT
ajst-234	12	19	low	low	ADJ
ajst-234	12	20	delay	delay	NOUN
ajst-234	12	21	and	and	CCONJ
ajst-234	12	22	enhanced	enhance	VERB
ajst-234	12	23	security	security	NOUN
ajst-234	12	24	.	.	PUNCT
ajst-234	13	1	however	however	ADV
ajst-234	13	2	,	,	PUNCT
ajst-234	13	3	light	light	ADJ
ajst-234	13	4	pulses	pulse	NOUN
ajst-234	13	5	propagating	propagate	VERB
ajst-234	13	6	in	in	ADP
ajst-234	13	7	seawater	seawater	NOUN
ajst-234	13	8	will	will	AUX
ajst-234	13	9	be	be	AUX
ajst-234	13	10	damaged	damage	VERB
ajst-234	13	11	by	by	ADP
ajst-234	13	12	adverse	adverse	ADJ
ajst-234	13	13	channels	channel	NOUN
ajst-234	13	14	,	,	PUNCT
ajst-234	13	15	including	include	VERB
ajst-234	13	16	absorption	absorption	NOUN
ajst-234	13	17	and	and	CCONJ
ajst-234	13	18	scattering	scattering	NOUN
ajst-234	13	19	.	.	PUNCT
ajst-234	14	1	it	it	PRON
ajst-234	14	2	is	be	AUX
ajst-234	14	3	also	also	ADV
ajst-234	14	4	susceptible	susceptible	ADJ
ajst-234	14	5	to	to	ADP
ajst-234	14	6	many	many	ADJ
ajst-234	14	7	noise	noise	NOUN
ajst-234	14	8	sources	source	NOUN
ajst-234	14	9	on	on	ADP
ajst-234	14	10	the	the	DET
ajst-234	14	11	receiver	receiver	ADJ
ajst-234	14	12	side	side	NOUN
ajst-234	14	13	,	,	PUNCT
ajst-234	14	14	such	such	ADJ
ajst-234	14	15	as	as	ADP
ajst-234	14	16	sunlight	sunlight	NOUN
ajst-234	14	17	,	,	PUNCT
ajst-234	14	18	turbulence	turbulence	NOUN
ajst-234	14	19	,	,	PUNCT
ajst-234	14	20	thermal	thermal	ADJ
ajst-234	14	21	noise	noise	NOUN
ajst-234	14	22	and	and	CCONJ
ajst-234	14	23	dark	dark	ADJ
ajst-234	14	24	wireless	wireless	ADJ
ajst-234	14	25	current	current	ADJ
ajst-234	14	26	noise	noise	NOUN
ajst-234	14	27	.	.	PUNCT
ajst-234	15	1	using	use	VERB
ajst-234	15	2	sufficiently	sufficiently	ADV
ajst-234	15	3	dense	dense	ADJ
ajst-234	15	4	network	network	NOUN
ajst-234	15	5	deployment	deployment	NOUN
ajst-234	15	6	,	,	PUNCT
ajst-234	15	7	long	long	ADJ
ajst-234	15	8	-	-	PUNCT
ajst-234	15	9	distance	distance	NOUN
ajst-234	15	10	broadband	broadband	NOUN
ajst-234	15	11	communication	communication	NOUN
ajst-234	15	12	can	can	AUX
ajst-234	15	13	be	be	AUX
ajst-234	15	14	realized	realize	VERB
ajst-234	15	15	,	,	PUNCT
ajst-234	15	16	in	in	ADP
ajst-234	15	17	which	which	PRON
ajst-234	15	18	information	information	NOUN
ajst-234	15	19	can	can	AUX
ajst-234	15	20	be	be	AUX
ajst-234	15	21	transmitted	transmit	VERB
ajst-234	15	22	through	through	ADP
ajst-234	15	23	a	a	DET
ajst-234	15	24	series	series	NOUN
ajst-234	15	25	of	of	ADP
ajst-234	15	26	relays	relay	NOUN
ajst-234	15	27	.	.	PUNCT
ajst-234	16	1	therefore	therefore	ADV
ajst-234	16	2	,	,	PUNCT
ajst-234	16	3	in	in	ADP
ajst-234	16	4	practical	practical	ADJ
ajst-234	16	5	applications	application	NOUN
ajst-234	16	6	,	,	PUNCT
ajst-234	16	7	it	it	PRON
ajst-234	16	8	is	be	AUX
ajst-234	16	9	necessary	necessary	ADJ
ajst-234	16	10	to	to	PART
ajst-234	16	11	describe	describe	VERB
ajst-234	16	12	end	end	NOUN
ajst-234	16	13	-	-	PUNCT
ajst-234	16	14	toend	toend	NOUN
ajst-234	16	15	(	(	PUNCT
ajst-234	16	16	e2e	e2e	NOUN
ajst-234	16	17	)	)	PUNCT
ajst-234	16	18	paths	path	NOUN
ajst-234	16	19	and	and	CCONJ
ajst-234	16	20	develop	develop	VERB
ajst-234	16	21	effective	effective	ADJ
ajst-234	16	22	routing	routing	NOUN
ajst-234	16	23	mechanisms	mechanism	NOUN
ajst-234	16	24	.	.	PUNCT
ajst-234	17	1	this	this	DET
ajst-234	17	2	paper	paper	NOUN
ajst-234	17	3	studies	study	VERB
ajst-234	17	4	the	the	DET
ajst-234	17	5	routing	routing	NOUN
ajst-234	17	6	of	of	ADP
ajst-234	17	7	underwater	underwater	ADJ
ajst-234	17	8	wireless	wireless	ADJ
ajst-234	17	9	sensor	sensor	NOUN
ajst-234	17	10	networks	network	NOUN
ajst-234	17	11	.	.	PUNCT
ajst-234	18	1	this	this	DET
ajst-234	18	2	paper	paper	NOUN
ajst-234	18	3	summarizes	summarize	VERB
ajst-234	18	4	several	several	ADJ
ajst-234	18	5	existing	exist	VERB
ajst-234	18	6	main	main	ADJ
ajst-234	18	7	routing	routing	NOUN
ajst-234	18	8	methods	method	NOUN
ajst-234	18	9	,	,	PUNCT
ajst-234	18	10	and	and	CCONJ
ajst-234	18	11	studies	study	NOUN
ajst-234	18	12	and	and	CCONJ
ajst-234	18	13	analyzes	analyze	VERB
ajst-234	18	14	their	their	PRON
ajst-234	18	15	practical	practical	ADJ
ajst-234	18	16	significance	significance	NOUN
ajst-234	18	17	.	.	PUNCT
ajst-234	19	1	keywords	keyword	NOUN
ajst-234	19	2	:	:	PUNCT
ajst-234	19	3	underwater	underwater	ADJ
ajst-234	19	4	optical	optical	ADJ
ajst-234	19	5	wireless	wireless	ADJ
ajst-234	19	6	communication	communication	NOUN
ajst-234	19	7	,	,	PUNCT
ajst-234	19	8	multi	multi	ADJ
ajst-234	19	9	-	-	ADJ
ajst-234	19	10	hop	hop	ADJ
ajst-234	19	11	,	,	PUNCT
ajst-234	19	12	routing	routing	NOUN
ajst-234	19	13	.	.	PUNCT
ajst-234	20	1	1	1	X
ajst-234	20	2	.	.	X
ajst-234	20	3	introduction	introduction	NOUN
ajst-234	20	4	october	october	PROPN
ajst-234	20	5	2019	2019	NUM
ajst-234	20	6	,	,	PUNCT
ajst-234	20	7	the	the	DET
ajst-234	20	8	ministry	ministry	PROPN
ajst-234	20	9	of	of	ADP
ajst-234	20	10	natural	natural	ADJ
ajst-234	20	11	resources	resource	NOUN
ajst-234	20	12	and	and	CCONJ
ajst-234	20	13	the	the	DET
ajst-234	20	14	national	national	PROPN
ajst-234	20	15	development	development	PROPN
ajst-234	20	16	and	and	CCONJ
ajst-234	20	17	reform	reform	NOUN
ajst-234	20	18	commission	commission	NOUN
ajst-234	20	19	jointly	jointly	ADV
ajst-234	20	20	organized	organize	VERB
ajst-234	20	21	the	the	DET
ajst-234	20	22	preparation	preparation	NOUN
ajst-234	20	23	of	of	ADP
ajst-234	20	24	china	china	PROPN
ajst-234	20	25	's	's	PART
ajst-234	20	26	marine	marine	ADJ
ajst-234	20	27	economic	economic	ADJ
ajst-234	20	28	development	development	NOUN
ajst-234	20	29	report	report	NOUN
ajst-234	20	30	2019	2019	NUM
ajst-234	20	31	[	[	X
ajst-234	20	32	1	1	NUM
ajst-234	20	33	,	,	PUNCT
ajst-234	20	34	2	2	NUM
ajst-234	20	35	]	]	PUNCT
ajst-234	20	36	,	,	PUNCT
ajst-234	20	37	the	the	DET
ajst-234	20	38	article	article	NOUN
ajst-234	20	39	mentioned	mention	VERB
ajst-234	20	40	that	that	SCONJ
ajst-234	20	41	china	china	PROPN
ajst-234	20	42	's	's	PART
ajst-234	20	43	total	total	ADJ
ajst-234	20	44	marine	marine	ADJ
ajst-234	20	45	economy	economy	NOUN
ajst-234	20	46	reached	reach	VERB
ajst-234	20	47	8.3	8.3	NUM
ajst-234	20	48	trillion	trillion	NUM
ajst-234	20	49	yuan	yuan	NOUN
ajst-234	20	50	in	in	ADP
ajst-234	20	51	2018	2018	NUM
ajst-234	20	52	,	,	PUNCT
ajst-234	20	53	accounting	account	VERB
ajst-234	20	54	for	for	ADP
ajst-234	20	55	more	more	ADJ
ajst-234	20	56	than	than	ADP
ajst-234	20	57	9	9	NUM
ajst-234	20	58	%	%	NOUN
ajst-234	20	59	of	of	ADP
ajst-234	20	60	gdp	gdp	NOUN
ajst-234	20	61	,	,	PUNCT
ajst-234	20	62	maintaining	maintain	VERB
ajst-234	20	63	a	a	DET
ajst-234	20	64	basically	basically	ADV
ajst-234	20	65	stable	stable	ADJ
ajst-234	20	66	proportion	proportion	NOUN
ajst-234	20	67	in	in	ADP
ajst-234	20	68	the	the	DET
ajst-234	20	69	development	development	NOUN
ajst-234	20	70	of	of	ADP
ajst-234	20	71	the	the	DET
ajst-234	20	72	national	national	ADJ
ajst-234	20	73	economy	economy	NOUN
ajst-234	20	74	.	.	PUNCT
ajst-234	21	1	generally	generally	ADV
ajst-234	21	2	speaking	speak	VERB
ajst-234	21	3	,	,	PUNCT
ajst-234	21	4	china	china	PROPN
ajst-234	21	5	's	's	PART
ajst-234	21	6	marine	marine	ADJ
ajst-234	21	7	economy	economy	NOUN
ajst-234	21	8	is	be	AUX
ajst-234	21	9	gradually	gradually	ADV
ajst-234	21	10	changing	change	VERB
ajst-234	21	11	from	from	ADP
ajst-234	21	12	high	high	ADJ
ajst-234	21	13	-	-	PUNCT
ajst-234	21	14	speed	speed	NOUN
ajst-234	21	15	development	development	NOUN
ajst-234	21	16	to	to	ADP
ajst-234	21	17	highquality	highquality	NOUN
ajst-234	21	18	development	development	NOUN
ajst-234	21	19	.	.	PUNCT
ajst-234	22	1	china	china	PROPN
ajst-234	22	2	's	's	PART
ajst-234	22	3	marine	marine	ADJ
ajst-234	22	4	related	relate	VERB
ajst-234	22	5	science	science	NOUN
ajst-234	22	6	and	and	CCONJ
ajst-234	22	7	technology	technology	NOUN
ajst-234	22	8	will	will	AUX
ajst-234	22	9	achieve	achieve	VERB
ajst-234	22	10	more	more	ADV
ajst-234	22	11	rapid	rapid	ADJ
ajst-234	22	12	development	development	NOUN
ajst-234	22	13	in	in	ADP
ajst-234	22	14	the	the	DET
ajst-234	22	15	fields	field	NOUN
ajst-234	22	16	of	of	ADP
ajst-234	22	17	green	green	ADJ
ajst-234	22	18	and	and	CCONJ
ajst-234	22	19	safe	safe	ADJ
ajst-234	22	20	technology	technology	NOUN
ajst-234	22	21	under	under	ADP
ajst-234	22	22	the	the	DET
ajst-234	22	23	guidance	guidance	NOUN
ajst-234	22	24	of	of	ADP
ajst-234	22	25	the	the	DET
ajst-234	22	26	national	national	ADJ
ajst-234	22	27	innovation	innovation	NOUN
ajst-234	22	28	strategy	strategy	NOUN
ajst-234	22	29	and	and	CCONJ
ajst-234	22	30	the	the	DET
ajst-234	22	31	strategy	strategy	NOUN
ajst-234	22	32	of	of	ADP
ajst-234	22	33	revitalizing	revitalize	VERB
ajst-234	22	34	the	the	DET
ajst-234	22	35	sea	sea	NOUN
ajst-234	22	36	through	through	ADP
ajst-234	22	37	science	science	NOUN
ajst-234	22	38	and	and	CCONJ
ajst-234	22	39	technology	technology	NOUN
ajst-234	22	40	.	.	PUNCT
ajst-234	23	1	in	in	ADP
ajst-234	23	2	the	the	DET
ajst-234	23	3	process	process	NOUN
ajst-234	23	4	of	of	ADP
ajst-234	23	5	promoting	promote	VERB
ajst-234	23	6	the	the	DET
ajst-234	23	7	transformation	transformation	NOUN
ajst-234	23	8	and	and	CCONJ
ajst-234	23	9	upgrading	upgrading	NOUN
ajst-234	23	10	of	of	ADP
ajst-234	23	11	marine	marine	ADJ
ajst-234	23	12	economy	economy	NOUN
ajst-234	23	13	,	,	PUNCT
ajst-234	23	14	some	some	DET
ajst-234	23	15	key	key	ADJ
ajst-234	23	16	technologies	technology	NOUN
ajst-234	23	17	,	,	PUNCT
ajst-234	23	18	core	core	NOUN
ajst-234	23	19	technologies	technology	NOUN
ajst-234	23	20	and	and	CCONJ
ajst-234	23	21	common	common	ADJ
ajst-234	23	22	technologies	technology	NOUN
ajst-234	23	23	have	have	AUX
ajst-234	23	24	also	also	ADV
ajst-234	23	25	made	make	VERB
ajst-234	23	26	greater	great	ADJ
ajst-234	23	27	breakthroughs	breakthrough	NOUN
ajst-234	23	28	and	and	CCONJ
ajst-234	23	29	innovations	innovation	NOUN
ajst-234	23	30	[	[	X
ajst-234	23	31	2	2	NUM
ajst-234	23	32	]	]	PUNCT
ajst-234	23	33	.	.	PUNCT
ajst-234	24	1	the	the	DET
ajst-234	24	2	total	total	ADJ
ajst-234	24	3	area	area	NOUN
ajst-234	24	4	of	of	ADP
ajst-234	24	5	the	the	DET
ajst-234	24	6	ocean	ocean	NOUN
ajst-234	24	7	accounts	account	VERB
ajst-234	24	8	for	for	ADP
ajst-234	24	9	about	about	ADV
ajst-234	24	10	71	71	NUM
ajst-234	24	11	%	%	NOUN
ajst-234	24	12	of	of	ADP
ajst-234	24	13	the	the	DET
ajst-234	24	14	total	total	ADJ
ajst-234	24	15	surface	surface	NOUN
ajst-234	24	16	area	area	NOUN
ajst-234	24	17	of	of	ADP
ajst-234	24	18	the	the	DET
ajst-234	24	19	earth	earth	NOUN
ajst-234	24	20	,	,	PUNCT
ajst-234	24	21	and	and	CCONJ
ajst-234	24	22	contains	contain	VERB
ajst-234	24	23	extremely	extremely	ADV
ajst-234	24	24	rich	rich	ADJ
ajst-234	24	25	but	but	CCONJ
ajst-234	24	26	untapped	untapped	ADJ
ajst-234	24	27	resources	resource	NOUN
ajst-234	24	28	.	.	PUNCT
ajst-234	25	1	with	with	ADP
ajst-234	25	2	the	the	DET
ajst-234	25	3	continuous	continuous	ADJ
ajst-234	25	4	growth	growth	NOUN
ajst-234	25	5	of	of	ADP
ajst-234	25	6	social	social	ADJ
ajst-234	25	7	population	population	NOUN
ajst-234	25	8	and	and	CCONJ
ajst-234	25	9	the	the	DET
ajst-234	25	10	gradual	gradual	ADJ
ajst-234	25	11	deterioration	deterioration	NOUN
ajst-234	25	12	of	of	ADP
ajst-234	25	13	the	the	DET
ajst-234	25	14	environment	environment	NOUN
ajst-234	25	15	,	,	PUNCT
ajst-234	25	16	the	the	DET
ajst-234	25	17	land	land	NOUN
ajst-234	25	18	natural	natural	ADJ
ajst-234	25	19	resources	resource	NOUN
ajst-234	25	20	are	be	AUX
ajst-234	25	21	drying	dry	VERB
ajst-234	25	22	up	up	ADP
ajst-234	25	23	day	day	NOUN
ajst-234	25	24	by	by	ADP
ajst-234	25	25	day	day	NOUN
ajst-234	25	26	.	.	PUNCT
ajst-234	26	1	how	how	SCONJ
ajst-234	26	2	to	to	PART
ajst-234	26	3	reasonably	reasonably	ADV
ajst-234	26	4	and	and	CCONJ
ajst-234	26	5	effectively	effectively	ADV
ajst-234	26	6	develop	develop	VERB
ajst-234	26	7	,	,	PUNCT
ajst-234	26	8	utilize	utilize	VERB
ajst-234	26	9	and	and	CCONJ
ajst-234	26	10	protect	protect	VERB
ajst-234	26	11	marine	marine	ADJ
ajst-234	26	12	resources	resource	NOUN
ajst-234	26	13	has	have	AUX
ajst-234	26	14	gradually	gradually	ADV
ajst-234	26	15	become	become	VERB
ajst-234	26	16	the	the	DET
ajst-234	26	17	scientific	scientific	ADJ
ajst-234	26	18	and	and	CCONJ
ajst-234	26	19	technological	technological	ADJ
ajst-234	26	20	development	development	NOUN
ajst-234	26	21	plan	plan	NOUN
ajst-234	26	22	and	and	CCONJ
ajst-234	26	23	important	important	ADJ
ajst-234	26	24	strategic	strategic	ADJ
ajst-234	26	25	deployment	deployment	NOUN
ajst-234	26	26	of	of	ADP
ajst-234	26	27	various	various	ADJ
ajst-234	26	28	coastal	coastal	ADJ
ajst-234	26	29	countries	country	NOUN
ajst-234	26	30	.	.	PUNCT
ajst-234	27	1	underwater	underwater	ADJ
ajst-234	27	2	communication	communication	NOUN
ajst-234	27	3	is	be	AUX
ajst-234	27	4	an	an	DET
ajst-234	27	5	indispensable	indispensable	ADJ
ajst-234	27	6	part	part	NOUN
ajst-234	27	7	of	of	ADP
ajst-234	27	8	all	all	DET
ajst-234	27	9	kinds	kind	NOUN
ajst-234	27	10	of	of	ADP
ajst-234	27	11	underwater	underwater	ADJ
ajst-234	27	12	operations	operation	NOUN
ajst-234	27	13	in	in	ADP
ajst-234	27	14	the	the	DET
ajst-234	27	15	process	process	NOUN
ajst-234	27	16	of	of	ADP
ajst-234	27	17	exploring	explore	VERB
ajst-234	27	18	and	and	CCONJ
ajst-234	27	19	developing	develop	VERB
ajst-234	27	20	marine	marine	ADJ
ajst-234	27	21	resources	resource	NOUN
ajst-234	27	22	.	.	PUNCT
ajst-234	28	1	with	with	ADP
ajst-234	28	2	the	the	DET
ajst-234	28	3	development	development	NOUN
ajst-234	28	4	of	of	ADP
ajst-234	28	5	ocean	ocean	PROPN
ajst-234	28	6	exploration	exploration	NOUN
ajst-234	28	7	technology	technology	NOUN
ajst-234	28	8	,	,	PUNCT
ajst-234	28	9	the	the	DET
ajst-234	28	10	research	research	NOUN
ajst-234	28	11	on	on	ADP
ajst-234	28	12	underwater	underwater	ADJ
ajst-234	28	13	communication	communication	NOUN
ajst-234	28	14	system	system	NOUN
ajst-234	28	15	has	have	VERB
ajst-234	28	16	extremely	extremely	ADV
ajst-234	28	17	broad	broad	ADJ
ajst-234	28	18	application	application	NOUN
ajst-234	28	19	prospects	prospect	NOUN
ajst-234	28	20	and	and	CCONJ
ajst-234	28	21	great	great	ADJ
ajst-234	28	22	scientific	scientific	ADJ
ajst-234	28	23	research	research	NOUN
ajst-234	28	24	significance	significance	NOUN
ajst-234	28	25	,	,	PUNCT
ajst-234	28	26	so	so	SCONJ
ajst-234	28	27	as	as	SCONJ
ajst-234	28	28	to	to	PART
ajst-234	28	29	provide	provide	VERB
ajst-234	28	30	information	information	NOUN
ajst-234	28	31	for	for	ADP
ajst-234	28	32	marine	marine	ADJ
ajst-234	28	33	environment	environment	NOUN
ajst-234	28	34	monitoring	monitoring	NOUN
ajst-234	28	35	,	,	PUNCT
ajst-234	28	36	seabed	seabed	ADJ
ajst-234	28	37	salvage	salvage	NOUN
ajst-234	28	38	,	,	PUNCT
ajst-234	28	39	tsunami	tsunami	NOUN
ajst-234	28	40	early	early	ADV
ajst-234	28	41	warning	warn	VERB
ajst-234	28	42	underwater	underwater	ADJ
ajst-234	28	43	investigation	investigation	NOUN
ajst-234	28	44	and	and	CCONJ
ajst-234	28	45	other	other	ADJ
ajst-234	28	46	underwater	underwater	ADJ
ajst-234	28	47	operations	operation	NOUN
ajst-234	28	48	provide	provide	VERB
ajst-234	28	49	effective	effective	ADJ
ajst-234	28	50	technical	technical	ADJ
ajst-234	28	51	support	support	NOUN
ajst-234	28	52	for	for	ADP
ajst-234	28	53	communication	communication	NOUN
ajst-234	28	54	networking	networking	NOUN
ajst-234	28	55	.	.	PUNCT
ajst-234	29	1	the	the	DET
ajst-234	29	2	methods	method	NOUN
ajst-234	29	3	of	of	ADP
ajst-234	29	4	underwater	underwater	ADJ
ajst-234	29	5	communication	communication	NOUN
ajst-234	29	6	technology	technology	NOUN
ajst-234	29	7	are	be	AUX
ajst-234	29	8	mainly	mainly	ADV
ajst-234	29	9	divided	divide	VERB
ajst-234	29	10	into	into	ADP
ajst-234	29	11	wired	wire	VERB
ajst-234	29	12	communication	communication	NOUN
ajst-234	29	13	and	and	CCONJ
ajst-234	29	14	wireless	wireless	ADJ
ajst-234	29	15	communication	communication	NOUN
ajst-234	29	16	technology	technology	NOUN
ajst-234	29	17	:	:	PUNCT
ajst-234	29	18	wired	wire	VERB
ajst-234	29	19	communication	communication	NOUN
ajst-234	29	20	can	can	AUX
ajst-234	29	21	realize	realize	VERB
ajst-234	29	22	the	the	DET
ajst-234	29	23	stable	stable	ADJ
ajst-234	29	24	transmission	transmission	NOUN
ajst-234	29	25	of	of	ADP
ajst-234	29	26	underwater	underwater	ADJ
ajst-234	29	27	communication	communication	NOUN
ajst-234	29	28	signals	signal	NOUN
ajst-234	29	29	through	through	ADP
ajst-234	29	30	optical	optical	ADJ
ajst-234	29	31	cables	cable	NOUN
ajst-234	29	32	and	and	CCONJ
ajst-234	29	33	cables	cable	NOUN
ajst-234	29	34	,	,	PUNCT
ajst-234	29	35	but	but	CCONJ
ajst-234	29	36	laying	lay	VERB
ajst-234	29	37	cables	cable	NOUN
ajst-234	29	38	underwater	underwater	NOUN
ajst-234	29	39	requires	require	VERB
ajst-234	29	40	high	high	ADJ
ajst-234	29	41	cost	cost	NOUN
ajst-234	29	42	and	and	CCONJ
ajst-234	29	43	difficult	difficult	ADJ
ajst-234	29	44	maintenance	maintenance	NOUN
ajst-234	29	45	.	.	PUNCT
ajst-234	30	1	in	in	ADP
ajst-234	30	2	addition	addition	NOUN
ajst-234	30	3	,	,	PUNCT
ajst-234	30	4	the	the	DET
ajst-234	30	5	preset	preset	ADJ
ajst-234	30	6	fixed	fix	VERB
ajst-234	30	7	lines	line	NOUN
ajst-234	30	8	will	will	AUX
ajst-234	30	9	limit	limit	VERB
ajst-234	30	10	the	the	DET
ajst-234	30	11	scope	scope	NOUN
ajst-234	30	12	of	of	ADP
ajst-234	30	13	underwater	underwater	ADJ
ajst-234	30	14	operation	operation	NOUN
ajst-234	30	15	;	;	PUNCT
ajst-234	30	16	wireless	wireless	ADJ
ajst-234	30	17	communication	communication	NOUN
ajst-234	30	18	mainly	mainly	ADV
ajst-234	30	19	uses	use	VERB
ajst-234	30	20	electromagnetic	electromagnetic	ADJ
ajst-234	30	21	wave	wave	NOUN
ajst-234	30	22	,	,	PUNCT
ajst-234	30	23	acoustic	acoustic	ADJ
ajst-234	30	24	wave	wave	NOUN
ajst-234	30	25	and	and	CCONJ
ajst-234	30	26	light	light	ADJ
ajst-234	30	27	wave	wave	NOUN
ajst-234	30	28	as	as	ADP
ajst-234	30	29	the	the	DET
ajst-234	30	30	carrier	carrier	NOUN
ajst-234	30	31	for	for	ADP
ajst-234	30	32	communication	communication	NOUN
ajst-234	30	33	.	.	PUNCT
ajst-234	31	1	compared	compare	VERB
ajst-234	31	2	with	with	ADP
ajst-234	31	3	wired	wired	ADJ
ajst-234	31	4	communication	communication	NOUN
ajst-234	31	5	,	,	PUNCT
ajst-234	31	6	it	it	PRON
ajst-234	31	7	has	have	VERB
ajst-234	31	8	the	the	DET
ajst-234	31	9	advantages	advantage	NOUN
ajst-234	31	10	of	of	ADP
ajst-234	31	11	high	high	ADJ
ajst-234	31	12	flexibility	flexibility	NOUN
ajst-234	31	13	and	and	CCONJ
ajst-234	31	14	low	low	ADJ
ajst-234	31	15	cost	cost	NOUN
ajst-234	31	16	[	[	X
ajst-234	31	17	1	1	NUM
ajst-234	31	18	]	]	PUNCT
ajst-234	31	19	.	.	PUNCT
ajst-234	32	1	marine	marine	ADJ
ajst-234	32	2	resources	resource	NOUN
ajst-234	32	3	are	be	AUX
ajst-234	32	4	extremely	extremely	ADV
ajst-234	32	5	rich	rich	ADJ
ajst-234	32	6	,	,	PUNCT
ajst-234	32	7	but	but	CCONJ
ajst-234	32	8	they	they	PRON
ajst-234	32	9	still	still	ADV
ajst-234	32	10	need	need	VERB
ajst-234	32	11	to	to	PART
ajst-234	32	12	be	be	AUX
ajst-234	32	13	developed	develop	VERB
ajst-234	32	14	,	,	PUNCT
ajst-234	32	15	and	and	CCONJ
ajst-234	32	16	communication	communication	NOUN
ajst-234	32	17	is	be	AUX
ajst-234	32	18	an	an	DET
ajst-234	32	19	indispensable	indispensable	ADJ
ajst-234	32	20	link	link	NOUN
ajst-234	32	21	for	for	ADP
ajst-234	32	22	all	all	DET
ajst-234	32	23	kinds	kind	NOUN
ajst-234	32	24	of	of	ADP
ajst-234	32	25	underwater	underwater	ADJ
ajst-234	32	26	operations	operation	NOUN
ajst-234	32	27	.	.	PUNCT
ajst-234	33	1	in	in	ADP
ajst-234	33	2	recent	recent	ADJ
ajst-234	33	3	years	year	NOUN
ajst-234	33	4	,	,	PUNCT
ajst-234	33	5	underwater	underwater	ADJ
ajst-234	33	6	wireless	wireless	ADJ
ajst-234	33	7	optical	optical	ADJ
ajst-234	33	8	communication	communication	NOUN
ajst-234	33	9	technology	technology	NOUN
ajst-234	33	10	has	have	AUX
ajst-234	33	11	attracted	attract	VERB
ajst-234	33	12	more	more	ADJ
ajst-234	33	13	and	and	CCONJ
ajst-234	33	14	more	more	ADJ
ajst-234	33	15	researchers	researcher	NOUN
ajst-234	33	16	'	'	PART
ajst-234	33	17	attention	attention	NOUN
ajst-234	33	18	because	because	SCONJ
ajst-234	33	19	of	of	ADP
ajst-234	33	20	its	its	PRON
ajst-234	33	21	advantages	advantage	NOUN
ajst-234	33	22	of	of	ADP
ajst-234	33	23	low	low	ADJ
ajst-234	33	24	energy	energy	NOUN
ajst-234	33	25	consumption	consumption	NOUN
ajst-234	33	26	,	,	PUNCT
ajst-234	33	27	high	high	ADJ
ajst-234	33	28	bandwidth	bandwidth	NOUN
ajst-234	33	29	and	and	CCONJ
ajst-234	33	30	strong	strong	ADJ
ajst-234	33	31	anti	anti	ADJ
ajst-234	33	32	-	-	NOUN
ajst-234	33	33	interference	interference	NOUN
ajst-234	33	34	.	.	PUNCT
ajst-234	34	1	however	however	ADV
ajst-234	34	2	,	,	PUNCT
ajst-234	34	3	the	the	DET
ajst-234	34	4	current	current	ADJ
ajst-234	34	5	research	research	NOUN
ajst-234	34	6	on	on	ADP
ajst-234	34	7	underwater	underwater	ADJ
ajst-234	34	8	optical	optical	ADJ
ajst-234	34	9	wireless	wireless	ADJ
ajst-234	34	10	communication	communication	NOUN
ajst-234	34	11	(	(	PUNCT
ajst-234	34	12	uowc	uowc	NOUN
ajst-234	34	13	)	)	PUNCT
ajst-234	34	14	technology	technology	NOUN
ajst-234	34	15	is	be	AUX
ajst-234	34	16	usually	usually	ADV
ajst-234	34	17	oriented	orient	VERB
ajst-234	34	18	to	to	ADP
ajst-234	34	19	the	the	DET
ajst-234	34	20	physical	physical	ADJ
ajst-234	34	21	layer	layer	NOUN
ajst-234	34	22	and	and	CCONJ
ajst-234	34	23	rarely	rarely	ADV
ajst-234	34	24	involves	involve	VERB
ajst-234	34	25	the	the	DET
ajst-234	34	26	network	network	NOUN
ajst-234	34	27	layer	layer	NOUN
ajst-234	34	28	.	.	PUNCT
ajst-234	35	1	routing	routing	NOUN
ajst-234	35	2	protocol	protocol	NOUN
ajst-234	35	3	is	be	AUX
ajst-234	35	4	very	very	ADV
ajst-234	35	5	important	important	ADJ
ajst-234	35	6	to	to	PART
ajst-234	35	7	solve	solve	VERB
ajst-234	35	8	the	the	DET
ajst-234	35	9	network	network	NOUN
ajst-234	35	10	layer	layer	NOUN
ajst-234	35	11	problem	problem	NOUN
ajst-234	35	12	in	in	ADP
ajst-234	35	13	underwater	underwater	ADJ
ajst-234	35	14	6	6	NUM
ajst-234	35	15	wireless	wireless	ADJ
ajst-234	35	16	optical	optical	ADJ
ajst-234	35	17	communication	communication	NOUN
ajst-234	35	18	system	system	NOUN
ajst-234	35	19	.	.	PUNCT
ajst-234	36	1	compared	compare	VERB
ajst-234	36	2	with	with	ADP
ajst-234	36	3	traditional	traditional	ADJ
ajst-234	36	4	land	land	NOUN
ajst-234	36	5	routing	route	VERB
ajst-234	36	6	protocols	protocol	NOUN
ajst-234	36	7	,	,	PUNCT
ajst-234	36	8	special	special	ADJ
ajst-234	36	9	waterway	waterway	NOUN
ajst-234	36	10	conditions	condition	NOUN
ajst-234	36	11	(	(	PUNCT
ajst-234	36	12	such	such	ADJ
ajst-234	36	13	as	as	ADP
ajst-234	36	14	absorption	absorption	NOUN
ajst-234	36	15	,	,	PUNCT
ajst-234	36	16	scattering	scattering	NOUN
ajst-234	36	17	,	,	PUNCT
ajst-234	36	18	ocean	ocean	NOUN
ajst-234	36	19	turbulence	turbulence	NOUN
ajst-234	36	20	,	,	PUNCT
ajst-234	36	21	etc	etc	X
ajst-234	36	22	.	.	X
ajst-234	36	23	)	)	PUNCT
ajst-234	37	1	and	and	CCONJ
ajst-234	37	2	the	the	DET
ajst-234	37	3	high	high	ADJ
ajst-234	37	4	directivity	directivity	NOUN
ajst-234	37	5	of	of	ADP
ajst-234	37	6	underwater	underwater	ADJ
ajst-234	37	7	optical	optical	ADJ
ajst-234	37	8	communication	communication	NOUN
ajst-234	37	9	nodes	node	NOUN
ajst-234	37	10	bring	bring	VERB
ajst-234	37	11	new	new	ADJ
ajst-234	37	12	challenges	challenge	NOUN
ajst-234	37	13	.	.	PUNCT
ajst-234	38	1	in	in	ADP
ajst-234	38	2	addition	addition	NOUN
ajst-234	38	3	to	to	ADP
ajst-234	38	4	modifying	modify	VERB
ajst-234	38	5	the	the	DET
ajst-234	38	6	process	process	NOUN
ajst-234	38	7	of	of	ADP
ajst-234	38	8	route	route	NOUN
ajst-234	38	9	discovery	discovery	PROPN
ajst-234	38	10	and	and	CCONJ
ajst-234	38	11	route	route	NOUN
ajst-234	38	12	maintenance	maintenance	NOUN
ajst-234	38	13	,	,	PUNCT
ajst-234	38	14	selecting	select	VERB
ajst-234	38	15	appropriate	appropriate	ADJ
ajst-234	38	16	route	route	NOUN
ajst-234	38	17	metrics	metric	NOUN
ajst-234	38	18	can	can	AUX
ajst-234	38	19	also	also	ADV
ajst-234	38	20	effectively	effectively	ADV
ajst-234	38	21	improve	improve	VERB
ajst-234	38	22	the	the	DET
ajst-234	38	23	routing	routing	NOUN
ajst-234	38	24	protocol	protocol	NOUN
ajst-234	38	25	,	,	PUNCT
ajst-234	38	26	so	so	SCONJ
ajst-234	38	27	as	as	SCONJ
ajst-234	38	28	to	to	PART
ajst-234	38	29	improve	improve	VERB
ajst-234	38	30	the	the	DET
ajst-234	38	31	performance	performance	NOUN
ajst-234	38	32	of	of	ADP
ajst-234	38	33	underwater	underwater	ADJ
ajst-234	38	34	network	network	NOUN
ajst-234	38	35	.	.	PUNCT
ajst-234	39	1	2	2	X
ajst-234	39	2	.	.	X
ajst-234	39	3	properties	property	NOUN
ajst-234	39	4	of	of	ADP
ajst-234	39	5	underwater	underwater	ADJ
ajst-234	39	6	wireless	wireless	ADJ
ajst-234	39	7	communication	communication	NOUN
ajst-234	39	8	the	the	DET
ajst-234	39	9	existing	exist	VERB
ajst-234	39	10	underwater	underwater	ADJ
ajst-234	39	11	wireless	wireless	ADJ
ajst-234	39	12	communication	communication	NOUN
ajst-234	39	13	mainly	mainly	ADV
ajst-234	39	14	adopts	adopt	VERB
ajst-234	39	15	acoustic	acoustic	ADJ
ajst-234	39	16	wave	wave	NOUN
ajst-234	39	17	,	,	PUNCT
ajst-234	39	18	electromagnetic	electromagnetic	ADJ
ajst-234	39	19	wave	wave	NOUN
ajst-234	39	20	,	,	PUNCT
ajst-234	39	21	light	light	ADJ
ajst-234	39	22	wave	wave	NOUN
ajst-234	39	23	and	and	CCONJ
ajst-234	39	24	other	other	ADJ
ajst-234	39	25	media	medium	NOUN
ajst-234	39	26	.	.	PUNCT
ajst-234	40	1	among	among	ADP
ajst-234	40	2	them	they	PRON
ajst-234	40	3	,	,	PUNCT
ajst-234	40	4	underwater	underwater	ADJ
ajst-234	40	5	acoustic	acoustic	ADJ
ajst-234	40	6	communication	communication	NOUN
ajst-234	40	7	is	be	AUX
ajst-234	40	8	the	the	DET
ajst-234	40	9	most	most	ADV
ajst-234	40	10	widely	widely	ADV
ajst-234	40	11	used	use	VERB
ajst-234	40	12	and	and	CCONJ
ajst-234	40	13	the	the	DET
ajst-234	40	14	technology	technology	NOUN
ajst-234	40	15	is	be	AUX
ajst-234	40	16	the	the	DET
ajst-234	40	17	most	most	ADV
ajst-234	40	18	mature	mature	ADJ
ajst-234	40	19	,	,	PUNCT
ajst-234	40	20	but	but	CCONJ
ajst-234	40	21	it	it	PRON
ajst-234	40	22	has	have	VERB
ajst-234	40	23	many	many	ADJ
ajst-234	40	24	limitations	limitation	NOUN
ajst-234	40	25	in	in	ADP
ajst-234	40	26	application	application	NOUN
ajst-234	40	27	.	.	PUNCT
ajst-234	41	1	compared	compare	VERB
ajst-234	41	2	with	with	ADP
ajst-234	41	3	the	the	DET
ajst-234	41	4	strong	strong	ADJ
ajst-234	41	5	attenuation	attenuation	NOUN
ajst-234	41	6	characteristics	characteristic	NOUN
ajst-234	41	7	of	of	ADP
ajst-234	41	8	electromagnetic	electromagnetic	ADJ
ajst-234	41	9	waves	wave	NOUN
ajst-234	41	10	in	in	ADP
ajst-234	41	11	seawater	seawater	NOUN
ajst-234	41	12	,	,	PUNCT
ajst-234	41	13	the	the	DET
ajst-234	41	14	attenuation	attenuation	NOUN
ajst-234	41	15	of	of	ADP
ajst-234	41	16	sound	sound	ADJ
ajst-234	41	17	waves	wave	NOUN
ajst-234	41	18	propagating	propagate	VERB
ajst-234	41	19	in	in	ADP
ajst-234	41	20	water	water	NOUN
ajst-234	41	21	can	can	AUX
ajst-234	41	22	be	be	AUX
ajst-234	41	23	said	say	VERB
ajst-234	41	24	to	to	PART
ajst-234	41	25	be	be	AUX
ajst-234	41	26	much	much	ADV
ajst-234	41	27	smaller	small	ADJ
ajst-234	41	28	.	.	PUNCT
ajst-234	42	1	at	at	ADP
ajst-234	42	2	low	low	ADJ
ajst-234	42	3	frequency	frequency	NOUN
ajst-234	42	4	,	,	PUNCT
ajst-234	42	5	the	the	DET
ajst-234	42	6	transmission	transmission	NOUN
ajst-234	42	7	range	range	NOUN
ajst-234	42	8	of	of	ADP
ajst-234	42	9	underwater	underwater	ADJ
ajst-234	42	10	acoustic	acoustic	ADJ
ajst-234	42	11	communication	communication	NOUN
ajst-234	42	12	can	can	AUX
ajst-234	42	13	reach	reach	VERB
ajst-234	42	14	more	more	ADJ
ajst-234	42	15	than	than	ADP
ajst-234	42	16	ten	ten	NUM
ajst-234	42	17	kilometers	kilometer	NOUN
ajst-234	42	18	.	.	PUNCT
ajst-234	43	1	even	even	ADV
ajst-234	43	2	for	for	ADP
ajst-234	43	3	transmission	transmission	NOUN
ajst-234	43	4	above	above	ADP
ajst-234	43	5	30hz	30hz	NOUN
ajst-234	43	6	,	,	PUNCT
ajst-234	43	7	it	it	PRON
ajst-234	43	8	can	can	AUX
ajst-234	43	9	have	have	VERB
ajst-234	43	10	a	a	DET
ajst-234	43	11	reliable	reliable	ADJ
ajst-234	43	12	transmission	transmission	NOUN
ajst-234	43	13	distance	distance	NOUN
ajst-234	43	14	of	of	ADP
ajst-234	43	15	1	1	NUM
ajst-234	43	16	-	-	SYM
ajst-234	43	17	2	2	NUM
ajst-234	43	18	km	km	NOUN
ajst-234	43	19	,	,	PUNCT
ajst-234	43	20	as	as	SCONJ
ajst-234	43	21	shown	show	VERB
ajst-234	43	22	in	in	ADP
ajst-234	43	23	figure	figure	NOUN
ajst-234	43	24	1	1	NUM
ajst-234	43	25	.	.	PUNCT
ajst-234	44	1	therefore	therefore	ADV
ajst-234	44	2	,	,	PUNCT
ajst-234	44	3	underwater	underwater	ADJ
ajst-234	44	4	wireless	wireless	ADJ
ajst-234	44	5	acoustic	acoustic	ADJ
ajst-234	44	6	communication	communication	NOUN
ajst-234	44	7	is	be	AUX
ajst-234	44	8	widely	widely	ADV
ajst-234	44	9	used	use	VERB
ajst-234	44	10	in	in	ADP
ajst-234	44	11	commercial	commercial	ADJ
ajst-234	44	12	,	,	PUNCT
ajst-234	44	13	scientific	scientific	ADJ
ajst-234	44	14	and	and	CCONJ
ajst-234	44	15	military	military	ADJ
ajst-234	44	16	fields	field	NOUN
ajst-234	44	17	.	.	PUNCT
ajst-234	45	1	however	however	ADV
ajst-234	45	2	,	,	PUNCT
ajst-234	45	3	due	due	ADP
ajst-234	45	4	to	to	ADP
ajst-234	45	5	the	the	DET
ajst-234	45	6	inherent	inherent	ADJ
ajst-234	45	7	limitations	limitation	NOUN
ajst-234	45	8	of	of	ADP
ajst-234	45	9	omni	omni	ADJ
ajst-234	45	10	-	-	PUNCT
ajst-234	45	11	directional	directional	ADJ
ajst-234	45	12	propagation	propagation	NOUN
ajst-234	45	13	,	,	PUNCT
ajst-234	45	14	remote	remote	ADJ
ajst-234	45	15	communication	communication	NOUN
ajst-234	45	16	,	,	PUNCT
ajst-234	45	17	low	low	ADJ
ajst-234	45	18	achievable	achievable	ADJ
ajst-234	45	19	rate	rate	NOUN
ajst-234	45	20	and	and	CCONJ
ajst-234	45	21	high	high	ADJ
ajst-234	45	22	delay	delay	NOUN
ajst-234	45	23	,	,	PUNCT
ajst-234	45	24	the	the	DET
ajst-234	45	25	underwater	underwater	ADJ
ajst-234	45	26	acoustic	acoustic	ADJ
ajst-234	45	27	communication	communication	NOUN
ajst-234	45	28	system	system	NOUN
ajst-234	45	29	is	be	AUX
ajst-234	45	30	still	still	ADV
ajst-234	45	31	unable	unable	ADJ
ajst-234	45	32	to	to	PART
ajst-234	45	33	provide	provide	VERB
ajst-234	45	34	high	high	ADJ
ajst-234	45	35	-	-	PUNCT
ajst-234	45	36	quality	quality	NOUN
ajst-234	45	37	communication	communication	NOUN
ajst-234	45	38	services	service	NOUN
ajst-234	45	39	,	,	PUNCT
ajst-234	45	40	which	which	PRON
ajst-234	45	41	is	be	AUX
ajst-234	45	42	not	not	PART
ajst-234	45	43	enough	enough	ADJ
ajst-234	45	44	to	to	PART
ajst-234	45	45	meet	meet	VERB
ajst-234	45	46	many	many	ADJ
ajst-234	45	47	underwater	underwater	ADJ
ajst-234	45	48	applications	application	NOUN
ajst-234	45	49	,	,	PUNCT
ajst-234	45	50	and	and	CCONJ
ajst-234	45	51	it	it	PRON
ajst-234	45	52	is	be	AUX
ajst-234	45	53	difficult	difficult	ADJ
ajst-234	45	54	to	to	PART
ajst-234	45	55	be	be	AUX
ajst-234	45	56	used	use	VERB
ajst-234	45	57	for	for	ADP
ajst-234	45	58	real	real	ADJ
ajst-234	45	59	-	-	PUNCT
ajst-234	45	60	time	time	NOUN
ajst-234	45	61	operation	operation	NOUN
ajst-234	45	62	.	.	PUNCT
ajst-234	46	1	because	because	SCONJ
ajst-234	46	2	underwater	underwater	ADJ
ajst-234	46	3	acoustic	acoustic	ADJ
ajst-234	46	4	communication	communication	NOUN
ajst-234	46	5	technology	technology	NOUN
ajst-234	46	6	mainly	mainly	ADV
ajst-234	46	7	relies	rely	VERB
ajst-234	46	8	on	on	ADP
ajst-234	46	9	low	low	ADJ
ajst-234	46	10	-	-	PUNCT
ajst-234	46	11	frequency	frequency	NOUN
ajst-234	46	12	sound	sound	NOUN
ajst-234	46	13	waves	wave	NOUN
ajst-234	46	14	,	,	PUNCT
ajst-234	46	15	the	the	DET
ajst-234	46	16	bandwidth	bandwidth	NOUN
ajst-234	46	17	is	be	AUX
ajst-234	46	18	generally	generally	ADV
ajst-234	46	19	below	below	ADP
ajst-234	46	20	50khz	50khz	NOUN
ajst-234	46	21	due	due	ADP
ajst-234	46	22	to	to	ADP
ajst-234	46	23	the	the	DET
ajst-234	46	24	influence	influence	NOUN
ajst-234	46	25	of	of	ADP
ajst-234	46	26	various	various	ADJ
ajst-234	46	27	underwater	underwater	ADJ
ajst-234	46	28	factors	factor	NOUN
ajst-234	46	29	[	[	X
ajst-234	46	30	4	4	NUM
ajst-234	46	31	]	]	PUNCT
ajst-234	46	32	.	.	PUNCT
ajst-234	47	1	figure	figure	NOUN
ajst-234	47	2	1	1	NUM
ajst-234	47	3	.	.	PUNCT
ajst-234	47	4	data	datum	NOUN
ajst-234	47	5	rate	rate	NOUN
ajst-234	47	6	versus	versus	ADP
ajst-234	47	7	transmission	transmission	NOUN
ajst-234	47	8	range	range	NOUN
ajst-234	47	9	of	of	ADP
ajst-234	47	10	published	publish	VERB
ajst-234	47	11	experimental	experimental	ADJ
ajst-234	47	12	work	work	NOUN
ajst-234	47	13	on	on	ADP
ajst-234	47	14	underwater	underwater	ADJ
ajst-234	47	15	acoustic	acoustic	ADJ
ajst-234	47	16	systems	system	NOUN
ajst-234	47	17	in	in	ADP
ajst-234	47	18	view	view	NOUN
ajst-234	47	19	of	of	ADP
ajst-234	47	20	the	the	DET
ajst-234	47	21	significant	significant	ADJ
ajst-234	47	22	shortcomings	shortcoming	NOUN
ajst-234	47	23	of	of	ADP
ajst-234	47	24	underwater	underwater	ADJ
ajst-234	47	25	acoustic	acoustic	ADJ
ajst-234	47	26	system	system	NOUN
ajst-234	47	27	and	and	CCONJ
ajst-234	47	28	low	low	ADJ
ajst-234	47	29	-	-	PUNCT
ajst-234	47	30	frequency	frequency	NOUN
ajst-234	47	31	electromagnetic	electromagnetic	ADJ
ajst-234	47	32	wave	wave	NOUN
ajst-234	47	33	system	system	NOUN
ajst-234	47	34	in	in	ADP
ajst-234	47	35	low	low	ADJ
ajst-234	47	36	bandwidth	bandwidth	ADJ
ajst-234	47	37	and	and	CCONJ
ajst-234	47	38	low	low	ADJ
ajst-234	47	39	data	datum	NOUN
ajst-234	47	40	rate	rate	NOUN
ajst-234	47	41	,	,	PUNCT
ajst-234	47	42	many	many	ADJ
ajst-234	47	43	scholars	scholar	NOUN
ajst-234	47	44	have	have	AUX
ajst-234	47	45	proposed	propose	VERB
ajst-234	47	46	another	another	DET
ajst-234	47	47	method	method	NOUN
ajst-234	47	48	to	to	PART
ajst-234	47	49	use	use	VERB
ajst-234	47	50	light	light	ADJ
ajst-234	47	51	wave	wave	NOUN
ajst-234	47	52	to	to	PART
ajst-234	47	53	provide	provide	VERB
ajst-234	47	54	low	low	ADJ
ajst-234	47	55	delay	delay	NOUN
ajst-234	47	56	and	and	CCONJ
ajst-234	47	57	high	high	ADJ
ajst-234	47	58	-	-	PUNCT
ajst-234	47	59	speed	speed	NOUN
ajst-234	47	60	underwater	underwater	ADJ
ajst-234	47	61	wireless	wireless	ADJ
ajst-234	47	62	optical	optical	ADJ
ajst-234	47	63	communication	communication	NOUN
ajst-234	47	64	(	(	PUNCT
ajst-234	47	65	uwoc	uwoc	NOUN
ajst-234	47	66	)	)	PUNCT
ajst-234	47	67	in	in	ADP
ajst-234	47	68	a	a	DET
ajst-234	47	69	limited	limited	ADJ
ajst-234	47	70	communication	communication	NOUN
ajst-234	47	71	range	range	NOUN
ajst-234	47	72	,	,	PUNCT
ajst-234	47	73	because	because	SCONJ
ajst-234	47	74	when	when	SCONJ
ajst-234	47	75	light	light	ADJ
ajst-234	47	76	wave	wave	NOUN
ajst-234	47	77	propagates	propagate	VERB
ajst-234	47	78	underwater	underwater	NOUN
ajst-234	47	79	,	,	PUNCT
ajst-234	47	80	different	different	ADJ
ajst-234	47	81	wavelengths	wavelength	NOUN
ajst-234	47	82	show	show	VERB
ajst-234	47	83	unique	unique	ADJ
ajst-234	47	84	characteristics	characteristic	NOUN
ajst-234	48	1	[	[	X
ajst-234	48	2	5	5	NUM
ajst-234	48	3	]	]	PUNCT
ajst-234	48	4	.	.	PUNCT
ajst-234	49	1	among	among	ADP
ajst-234	49	2	various	various	ADJ
ajst-234	49	3	underwater	underwater	ADJ
ajst-234	49	4	transmission	transmission	NOUN
ajst-234	49	5	systems	system	NOUN
ajst-234	49	6	,	,	PUNCT
ajst-234	49	7	high	high	ADJ
ajst-234	49	8	-	-	PUNCT
ajst-234	49	9	speed	speed	NOUN
ajst-234	49	10	link	link	NOUN
ajst-234	49	11	is	be	AUX
ajst-234	49	12	very	very	ADV
ajst-234	49	13	ideal	ideal	ADJ
ajst-234	49	14	.	.	PUNCT
ajst-234	50	1	uowc	uowc	PROPN
ajst-234	50	2	is	be	AUX
ajst-234	50	3	a	a	DET
ajst-234	50	4	promising	promising	ADJ
ajst-234	50	5	technology	technology	NOUN
ajst-234	50	6	to	to	PART
ajst-234	50	7	realize	realize	VERB
ajst-234	50	8	high	high	ADJ
ajst-234	50	9	-	-	PUNCT
ajst-234	50	10	speed	speed	NOUN
ajst-234	50	11	underwater	underwater	ADJ
ajst-234	50	12	wireless	wireless	ADJ
ajst-234	50	13	communication	communication	NOUN
ajst-234	50	14	system	system	NOUN
ajst-234	50	15	.	.	PUNCT
ajst-234	51	1	at	at	ADP
ajst-234	51	2	the	the	DET
ajst-234	51	3	same	same	ADJ
ajst-234	51	4	time	time	NOUN
ajst-234	51	5	,	,	PUNCT
ajst-234	51	6	uowc	uowc	PROPN
ajst-234	51	7	has	have	VERB
ajst-234	51	8	some	some	DET
ajst-234	51	9	other	other	ADJ
ajst-234	51	10	advantages	advantage	NOUN
ajst-234	51	11	.	.	PUNCT
ajst-234	52	1	for	for	ADP
ajst-234	52	2	example	example	NOUN
ajst-234	52	3	,	,	PUNCT
ajst-234	52	4	the	the	DET
ajst-234	52	5	frequency	frequency	NOUN
ajst-234	52	6	of	of	ADP
ajst-234	52	7	light	light	ADJ
ajst-234	52	8	wave	wave	NOUN
ajst-234	52	9	is	be	AUX
ajst-234	52	10	much	much	ADV
ajst-234	52	11	higher	high	ADJ
ajst-234	52	12	than	than	ADP
ajst-234	52	13	that	that	PRON
ajst-234	52	14	of	of	ADP
ajst-234	52	15	electromagnetic	electromagnetic	ADJ
ajst-234	52	16	wave	wave	NOUN
ajst-234	52	17	and	and	CCONJ
ajst-234	52	18	acoustic	acoustic	ADJ
ajst-234	52	19	wave	wave	NOUN
ajst-234	52	20	.	.	PUNCT
ajst-234	53	1	the	the	DET
ajst-234	53	2	lowest	low	ADJ
ajst-234	53	3	frequency	frequency	NOUN
ajst-234	53	4	can	can	AUX
ajst-234	53	5	reach	reach	VERB
ajst-234	53	6	10	10	NUM
ajst-234	53	7	^	^	SYM
ajst-234	53	8	13hz	13hz	NOUN
ajst-234	53	9	and	and	CCONJ
ajst-234	53	10	the	the	DET
ajst-234	53	11	highest	high	ADJ
ajst-234	53	12	frequency	frequency	NOUN
ajst-234	53	13	can	can	AUX
ajst-234	53	14	reach	reach	VERB
ajst-234	53	15	10	10	NUM
ajst-234	53	16	^	^	SYM
ajst-234	53	17	17hz	17hz	NUM
ajst-234	53	18	.	.	PUNCT
ajst-234	54	1	therefore	therefore	ADV
ajst-234	54	2	,	,	PUNCT
ajst-234	54	3	it	it	PRON
ajst-234	54	4	has	have	VERB
ajst-234	54	5	large	large	ADJ
ajst-234	54	6	communication	communication	NOUN
ajst-234	54	7	bandwidth	bandwidth	NOUN
ajst-234	54	8	,	,	PUNCT
ajst-234	54	9	strong	strong	ADJ
ajst-234	54	10	information	information	NOUN
ajst-234	54	11	carrying	carry	VERB
ajst-234	54	12	capacity	capacity	NOUN
ajst-234	54	13	and	and	CCONJ
ajst-234	54	14	high	high	ADJ
ajst-234	54	15	communication	communication	NOUN
ajst-234	54	16	capacity	capacity	NOUN
ajst-234	54	17	.	.	PUNCT
ajst-234	55	1	in	in	ADP
ajst-234	55	2	addition	addition	NOUN
ajst-234	55	3	,	,	PUNCT
ajst-234	55	4	it	it	PRON
ajst-234	55	5	is	be	AUX
ajst-234	55	6	not	not	PART
ajst-234	55	7	easily	easily	ADV
ajst-234	55	8	affected	affect	VERB
ajst-234	55	9	by	by	ADP
ajst-234	55	10	the	the	DET
ajst-234	55	11	changes	change	NOUN
ajst-234	55	12	of	of	ADP
ajst-234	55	13	seawater	seawater	NOUN
ajst-234	55	14	temperature	temperature	NOUN
ajst-234	55	15	and	and	CCONJ
ajst-234	55	16	salinity	salinity	NOUN
ajst-234	55	17	,	,	PUNCT
ajst-234	55	18	and	and	CCONJ
ajst-234	55	19	has	have	VERB
ajst-234	55	20	strong	strong	ADJ
ajst-234	55	21	antiinterference	antiinterference	NOUN
ajst-234	55	22	ability	ability	NOUN
ajst-234	55	23	.	.	PUNCT
ajst-234	56	1	light	light	NOUN
ajst-234	56	2	has	have	VERB
ajst-234	56	3	strong	strong	ADJ
ajst-234	56	4	directionality	directionality	NOUN
ajst-234	56	5	and	and	CCONJ
ajst-234	56	6	is	be	AUX
ajst-234	56	7	often	often	ADV
ajst-234	56	8	carried	carry	VERB
ajst-234	56	9	out	out	ADP
ajst-234	56	10	in	in	ADP
ajst-234	56	11	a	a	DET
ajst-234	56	12	point	point	NOUN
ajst-234	56	13	-	-	PUNCT
ajst-234	56	14	to	to	ADP
ajst-234	56	15	-	-	PUNCT
ajst-234	56	16	point	point	NOUN
ajst-234	56	17	way	way	NOUN
ajst-234	56	18	.	.	PUNCT
ajst-234	57	1	compared	compare	VERB
ajst-234	57	2	with	with	ADP
ajst-234	57	3	omni	omni	ADJ
ajst-234	57	4	-	-	PUNCT
ajst-234	57	5	directional	directional	ADJ
ajst-234	57	6	communication	communication	NOUN
ajst-234	57	7	,	,	PUNCT
ajst-234	57	8	eavesdropping	eavesdropping	NOUN
ajst-234	57	9	becomes	become	VERB
ajst-234	57	10	much	much	ADV
ajst-234	57	11	more	more	ADV
ajst-234	57	12	difficult	difficult	ADJ
ajst-234	57	13	,	,	PUNCT
ajst-234	57	14	which	which	PRON
ajst-234	57	15	undoubtedly	undoubtedly	ADV
ajst-234	57	16	enhances	enhance	VERB
ajst-234	57	17	the	the	DET
ajst-234	57	18	security	security	NOUN
ajst-234	57	19	and	and	CCONJ
ajst-234	57	20	confidentiality	confidentiality	NOUN
ajst-234	57	21	in	in	ADP
ajst-234	57	22	the	the	DET
ajst-234	57	23	process	process	NOUN
ajst-234	57	24	of	of	ADP
ajst-234	57	25	information	information	NOUN
ajst-234	57	26	transmission	transmission	NOUN
ajst-234	57	27	.	.	PUNCT
ajst-234	58	1	underwater	underwater	ADJ
ajst-234	58	2	wireless	wireless	ADJ
ajst-234	58	3	optical	optical	ADJ
ajst-234	58	4	communication	communication	NOUN
ajst-234	58	5	transceiver	transceiver	NOUN
ajst-234	58	6	can	can	AUX
ajst-234	58	7	adopt	adopt	VERB
ajst-234	58	8	low	low	ADJ
ajst-234	58	9	-	-	PUNCT
ajst-234	58	10	cost	cost	NOUN
ajst-234	58	11	,	,	PUNCT
ajst-234	58	12	energy	energy	NOUN
ajst-234	58	13	-	-	PUNCT
ajst-234	58	14	saving	save	VERB
ajst-234	58	15	and	and	CCONJ
ajst-234	58	16	small	small	ADJ
ajst-234	58	17	-	-	PUNCT
ajst-234	58	18	size	size	NOUN
ajst-234	58	19	laser	laser	NOUN
ajst-234	58	20	or	or	CCONJ
ajst-234	58	21	photodiode	photodiode	NOUN
ajst-234	58	22	.	.	PUNCT
ajst-234	59	1	therefore	therefore	ADV
ajst-234	59	2	,	,	PUNCT
ajst-234	59	3	underwater	underwater	ADJ
ajst-234	59	4	optical	optical	ADJ
ajst-234	59	5	communication	communication	NOUN
ajst-234	59	6	has	have	VERB
ajst-234	59	7	high	high	ADJ
ajst-234	59	8	research	research	NOUN
ajst-234	59	9	value	value	NOUN
ajst-234	59	10	.	.	PUNCT
ajst-234	60	1	it	it	PRON
ajst-234	60	2	has	have	VERB
ajst-234	60	3	the	the	DET
ajst-234	60	4	advantages	advantage	NOUN
ajst-234	60	5	of	of	ADP
ajst-234	60	6	low	low	ADJ
ajst-234	60	7	cost	cost	NOUN
ajst-234	60	8	,	,	PUNCT
ajst-234	60	9	simple	simple	ADJ
ajst-234	60	10	equipment	equipment	NOUN
ajst-234	60	11	,	,	PUNCT
ajst-234	60	12	strong	strong	ADJ
ajst-234	60	13	anti	anti	ADJ
ajst-234	60	14	-	-	ADJ
ajst-234	60	15	interference	interference	ADJ
ajst-234	60	16	ability	ability	NOUN
ajst-234	60	17	and	and	CCONJ
ajst-234	60	18	wide	wide	ADJ
ajst-234	60	19	application	application	NOUN
ajst-234	60	20	.	.	PUNCT
ajst-234	61	1	it	it	PRON
ajst-234	61	2	can	can	AUX
ajst-234	61	3	solve	solve	VERB
ajst-234	61	4	many	many	ADJ
ajst-234	61	5	problems	problem	NOUN
ajst-234	61	6	in	in	ADP
ajst-234	61	7	the	the	DET
ajst-234	61	8	field	field	NOUN
ajst-234	61	9	of	of	ADP
ajst-234	61	10	underwater	underwater	ADJ
ajst-234	61	11	communication	communication	NOUN
ajst-234	61	12	.	.	PUNCT
ajst-234	62	1	however	however	ADV
ajst-234	62	2	,	,	PUNCT
ajst-234	62	3	light	light	ADJ
ajst-234	62	4	waves	wave	NOUN
ajst-234	62	5	in	in	ADP
ajst-234	62	6	water	water	NOUN
ajst-234	62	7	will	will	AUX
ajst-234	62	8	have	have	VERB
ajst-234	62	9	problems	problem	NOUN
ajst-234	62	10	such	such	ADJ
ajst-234	62	11	as	as	ADP
ajst-234	62	12	refraction	refraction	NOUN
ajst-234	62	13	,	,	PUNCT
ajst-234	62	14	scattering	scattering	NOUN
ajst-234	62	15	and	and	CCONJ
ajst-234	62	16	absorption	absorption	NOUN
ajst-234	62	17	.	.	PUNCT
ajst-234	63	1	this	this	PRON
ajst-234	63	2	will	will	AUX
ajst-234	63	3	greatly	greatly	ADV
ajst-234	63	4	reduce	reduce	VERB
ajst-234	63	5	the	the	DET
ajst-234	63	6	transmission	transmission	NOUN
ajst-234	63	7	distance	distance	NOUN
ajst-234	63	8	of	of	ADP
ajst-234	63	9	uowc	uowc	NOUN
ajst-234	63	10	.	.	PUNCT
ajst-234	64	1	according	accord	VERB
ajst-234	64	2	to	to	ADP
ajst-234	64	3	the	the	DET
ajst-234	64	4	existing	exist	VERB
ajst-234	64	5	research	research	NOUN
ajst-234	64	6	results	result	NOUN
ajst-234	64	7	,	,	PUNCT
ajst-234	64	8	the	the	DET
ajst-234	64	9	actual	actual	ADJ
ajst-234	64	10	transmission	transmission	NOUN
ajst-234	64	11	range	range	NOUN
ajst-234	64	12	is	be	AUX
ajst-234	64	13	limited	limited	ADJ
ajst-234	64	14	,	,	PUNCT
ajst-234	64	15	usually	usually	ADV
ajst-234	64	16	less	less	ADJ
ajst-234	64	17	than	than	ADP
ajst-234	64	18	100	100	NUM
ajst-234	64	19	m	m	NOUN
ajst-234	64	20	,	,	PUNCT
ajst-234	64	21	as	as	SCONJ
ajst-234	64	22	shown	show	VERB
ajst-234	64	23	in	in	ADP
ajst-234	64	24	figure	figure	NOUN
ajst-234	64	25	2	2	NUM
ajst-234	64	26	.	.	X
ajst-234	64	27	underwater	underwater	ADJ
ajst-234	64	28	wireless	wireless	ADJ
ajst-234	64	29	sensor	sensor	NOUN
ajst-234	64	30	network	network	NOUN
ajst-234	64	31	(	(	PUNCT
ajst-234	64	32	uown	uown	ADJ
ajst-234	64	33	)	)	PUNCT
ajst-234	64	34	can	can	AUX
ajst-234	64	35	extend	extend	VERB
ajst-234	64	36	the	the	DET
ajst-234	64	37	communication	communication	NOUN
ajst-234	64	38	range	range	NOUN
ajst-234	64	39	of	of	ADP
ajst-234	64	40	uowc	uowc	NOUN
ajst-234	64	41	,	,	PUNCT
ajst-234	64	42	so	so	SCONJ
ajst-234	64	43	researchers	researcher	NOUN
ajst-234	64	44	need	need	VERB
ajst-234	64	45	to	to	PART
ajst-234	64	46	study	study	VERB
ajst-234	64	47	the	the	DET
ajst-234	64	48	application	application	NOUN
ajst-234	64	49	of	of	ADP
ajst-234	64	50	multi	multi	ADJ
ajst-234	64	51	hop	hop	NOUN
ajst-234	64	52	routing	route	VERB
ajst-234	64	53	technology	technology	NOUN
ajst-234	64	54	in	in	ADP
ajst-234	64	55	uown	uown	NOUN
ajst-234	64	56	to	to	PART
ajst-234	64	57	extend	extend	VERB
ajst-234	64	58	the	the	DET
ajst-234	64	59	communication	communication	NOUN
ajst-234	64	60	range	range	NOUN
ajst-234	64	61	of	of	ADP
ajst-234	64	62	uowc	uowc	NOUN
ajst-234	64	63	,	,	PUNCT
ajst-234	64	64	as	as	SCONJ
ajst-234	64	65	shown	show	VERB
ajst-234	64	66	in	in	ADP
ajst-234	64	67	figure	figure	NOUN
ajst-234	64	68	3	3	NUM
ajst-234	64	69	.	.	PUNCT
ajst-234	64	70	figure	figure	NOUN
ajst-234	64	71	2	2	NUM
ajst-234	64	72	.	.	PUNCT
ajst-234	64	73	simultaneous	simultaneous	ADJ
ajst-234	64	74	interpreting	interpreting	NOUN
ajst-234	64	75	of	of	ADP
ajst-234	64	76	transmission	transmission	NOUN
ajst-234	64	77	rate	rate	NOUN
ajst-234	64	78	and	and	CCONJ
ajst-234	64	79	transmission	transmission	NOUN
ajst-234	64	80	distance	distance	NOUN
ajst-234	64	81	7	7	NUM
ajst-234	64	82	in	in	ADP
ajst-234	64	83	the	the	DET
ajst-234	64	84	following	follow	VERB
ajst-234	64	85	article	article	NOUN
ajst-234	64	86	,	,	PUNCT
ajst-234	64	87	we	we	PRON
ajst-234	64	88	mainly	mainly	ADV
ajst-234	64	89	introduce	introduce	VERB
ajst-234	64	90	several	several	ADJ
ajst-234	64	91	mainstream	mainstream	NOUN
ajst-234	64	92	multi	multi	ADJ
ajst-234	64	93	hop	hop	NOUN
ajst-234	64	94	routing	routing	NOUN
ajst-234	64	95	methods	method	NOUN
ajst-234	64	96	at	at	ADP
ajst-234	64	97	home	home	NOUN
ajst-234	64	98	and	and	CCONJ
ajst-234	64	99	abroad	abroad	ADV
ajst-234	64	100	.	.	PUNCT
ajst-234	65	1	at	at	ADP
ajst-234	65	2	the	the	DET
ajst-234	65	3	same	same	ADJ
ajst-234	65	4	time	time	NOUN
ajst-234	65	5	,	,	PUNCT
ajst-234	65	6	it	it	PRON
ajst-234	65	7	should	should	AUX
ajst-234	65	8	be	be	AUX
ajst-234	65	9	expanded	expand	VERB
ajst-234	65	10	to	to	PART
ajst-234	65	11	summarize	summarize	VERB
ajst-234	65	12	and	and	CCONJ
ajst-234	65	13	guide	guide	VERB
ajst-234	65	14	future	future	ADJ
ajst-234	65	15	research	research	NOUN
ajst-234	65	16	.	.	PUNCT
ajst-234	66	1	figure	figure	NOUN
ajst-234	66	2	3	3	NUM
ajst-234	66	3	.	.	PUNCT
ajst-234	67	1	the	the	DET
ajst-234	67	2	model	model	NOUN
ajst-234	67	3	of	of	ADP
ajst-234	67	4	underwater	underwater	ADJ
ajst-234	67	5	wireless	wireless	ADJ
ajst-234	67	6	sensor	sensor	NOUN
ajst-234	67	7	network	network	NOUN
ajst-234	67	8	uown	uown	ADJ
ajst-234	67	9	3	3	X
ajst-234	67	10	.	.	X
ajst-234	68	1	underwater	underwater	ADJ
ajst-234	68	2	optical	optical	ADJ
ajst-234	68	3	wireless	wireless	NOUN
ajst-234	68	4	routing	routing	NOUN
ajst-234	68	5	algorithm	algorithm	PROPN
ajst-234	68	6	uown	uown	NOUN
ajst-234	68	7	needs	need	VERB
ajst-234	68	8	to	to	PART
ajst-234	68	9	design	design	VERB
ajst-234	68	10	an	an	DET
ajst-234	68	11	efficient	efficient	ADJ
ajst-234	68	12	and	and	CCONJ
ajst-234	68	13	reliable	reliable	ADJ
ajst-234	68	14	routing	routing	NOUN
ajst-234	68	15	protocol	protocol	NOUN
ajst-234	68	16	,	,	PUNCT
ajst-234	68	17	which	which	PRON
ajst-234	68	18	considers	consider	VERB
ajst-234	68	19	the	the	DET
ajst-234	68	20	channel	channel	NOUN
ajst-234	68	21	parameters	parameter	NOUN
ajst-234	68	22	of	of	ADP
ajst-234	68	23	light	light	ADJ
ajst-234	68	24	propagation	propagation	NOUN
ajst-234	68	25	in	in	ADP
ajst-234	68	26	underwater	underwater	ADJ
ajst-234	68	27	media	medium	NOUN
ajst-234	68	28	.	.	PUNCT
ajst-234	69	1	generally	generally	ADV
ajst-234	69	2	speaking	speak	VERB
ajst-234	69	3	,	,	PUNCT
ajst-234	69	4	there	there	PRON
ajst-234	69	5	are	be	VERB
ajst-234	69	6	few	few	ADJ
ajst-234	69	7	routing	routing	NOUN
ajst-234	69	8	strategies	strategy	NOUN
ajst-234	69	9	developed	develop	VERB
ajst-234	69	10	for	for	ADP
ajst-234	69	11	uown	uown	NOUN
ajst-234	69	12	,	,	PUNCT
ajst-234	69	13	which	which	PRON
ajst-234	69	14	can	can	AUX
ajst-234	69	15	be	be	AUX
ajst-234	69	16	roughly	roughly	ADV
ajst-234	69	17	divided	divide	VERB
ajst-234	69	18	into	into	ADP
ajst-234	69	19	centralized	centralized	ADJ
ajst-234	69	20	and	and	CCONJ
ajst-234	69	21	distributed	distribute	VERB
ajst-234	69	22	from	from	ADP
ajst-234	69	23	the	the	DET
ajst-234	69	24	perspective	perspective	NOUN
ajst-234	69	25	of	of	ADP
ajst-234	69	26	computing	compute	VERB
ajst-234	69	27	operation	operation	NOUN
ajst-234	69	28	.	.	PUNCT
ajst-234	70	1	3.1	3.1	NUM
ajst-234	70	2	.	.	PUNCT
ajst-234	70	3	centralized	centralized	ADJ
ajst-234	70	4	routing	routing	NOUN
ajst-234	70	5	protocols	protocol	NOUN
ajst-234	70	6	the	the	DET
ajst-234	70	7	two	two	NUM
ajst-234	70	8	models	model	NOUN
ajst-234	70	9	have	have	VERB
ajst-234	70	10	their	their	PRON
ajst-234	70	11	own	own	ADJ
ajst-234	70	12	advantages	advantage	NOUN
ajst-234	70	13	and	and	CCONJ
ajst-234	70	14	disadvantages	disadvantage	NOUN
ajst-234	70	15	.	.	PUNCT
ajst-234	71	1	centralized	centralized	ADJ
ajst-234	71	2	routing	routing	NOUN
ajst-234	71	3	protocol	protocol	NOUN
ajst-234	71	4	centralizes	centralize	VERB
ajst-234	71	5	the	the	DET
ajst-234	71	6	calculation	calculation	NOUN
ajst-234	71	7	and	and	CCONJ
ajst-234	71	8	allocation	allocation	NOUN
ajst-234	71	9	of	of	ADP
ajst-234	71	10	routing	route	VERB
ajst-234	71	11	strategy	strategy	NOUN
ajst-234	71	12	to	to	ADP
ajst-234	71	13	the	the	DET
ajst-234	71	14	central	central	ADJ
ajst-234	71	15	node	node	NOUN
ajst-234	71	16	to	to	PART
ajst-234	71	17	improve	improve	VERB
ajst-234	71	18	the	the	DET
ajst-234	71	19	software	software	NOUN
ajst-234	71	20	and	and	CCONJ
ajst-234	71	21	hardware	hardware	NOUN
ajst-234	71	22	performance	performance	NOUN
ajst-234	71	23	of	of	ADP
ajst-234	71	24	the	the	DET
ajst-234	71	25	node	node	NOUN
ajst-234	71	26	,	,	PUNCT
ajst-234	71	27	which	which	PRON
ajst-234	71	28	can	can	AUX
ajst-234	71	29	provide	provide	VERB
ajst-234	71	30	better	well	ADJ
ajst-234	71	31	end	end	VERB
ajst-234	71	32	-	-	PUNCT
ajst-234	71	33	to	to	ADP
ajst-234	71	34	-	-	PUNCT
ajst-234	71	35	end	end	NOUN
ajst-234	71	36	performance	performance	NOUN
ajst-234	71	37	.	.	PUNCT
ajst-234	72	1	however	however	ADV
ajst-234	72	2	,	,	PUNCT
ajst-234	72	3	this	this	PRON
ajst-234	72	4	requires	require	VERB
ajst-234	72	5	a	a	DET
ajst-234	72	6	global	global	ADJ
ajst-234	72	7	network	network	NOUN
ajst-234	72	8	view	view	NOUN
ajst-234	72	9	,	,	PUNCT
ajst-234	72	10	such	such	ADJ
ajst-234	72	11	as	as	ADP
ajst-234	72	12	the	the	DET
ajst-234	72	13	location	location	NOUN
ajst-234	72	14	information	information	NOUN
ajst-234	72	15	of	of	ADP
ajst-234	72	16	nodes	node	NOUN
ajst-234	72	17	,	,	PUNCT
ajst-234	72	18	but	but	CCONJ
ajst-234	72	19	also	also	ADV
ajst-234	72	20	increases	increase	VERB
ajst-234	72	21	the	the	DET
ajst-234	72	22	complexity	complexity	NOUN
ajst-234	72	23	and	and	CCONJ
ajst-234	72	24	energy	energy	NOUN
ajst-234	72	25	consumption	consumption	NOUN
ajst-234	72	26	.	.	PUNCT
ajst-234	73	1	a	a	DET
ajst-234	73	2	centralized	centralized	ADJ
ajst-234	73	3	routing	routing	NOUN
ajst-234	73	4	scheme	scheme	NOUN
ajst-234	73	5	for	for	ADP
ajst-234	73	6	uown	uown	ADJ
ajst-234	73	7	is	be	AUX
ajst-234	73	8	proposed	propose	VERB
ajst-234	73	9	in	in	ADP
ajst-234	73	10	reference	reference	NOUN
ajst-234	73	11	[	[	X
ajst-234	73	12	6	6	NUM
ajst-234	73	13	]	]	PUNCT
ajst-234	73	14	,	,	PUNCT
ajst-234	73	15	which	which	PRON
ajst-234	73	16	considers	consider	VERB
ajst-234	73	17	the	the	DET
ajst-234	73	18	propagation	propagation	NOUN
ajst-234	73	19	characteristics	characteristic	NOUN
ajst-234	73	20	of	of	ADP
ajst-234	73	21	light	light	ADJ
ajst-234	73	22	beams	beam	NOUN
ajst-234	73	23	under	under	ADP
ajst-234	73	24	water	water	NOUN
ajst-234	73	25	.	.	PUNCT
ajst-234	74	1	[	[	X
ajst-234	74	2	6	6	NUM
ajst-234	74	3	]	]	PUNCT
ajst-234	74	4	the	the	DET
ajst-234	74	5	routing	routing	NOUN
ajst-234	74	6	protocol	protocol	NOUN
ajst-234	74	7	proposed	propose	VERB
ajst-234	74	8	in	in	ADP
ajst-234	74	9	assumes	assume	NOUN
ajst-234	74	10	that	that	SCONJ
ajst-234	74	11	the	the	DET
ajst-234	74	12	perfect	perfect	ADJ
ajst-234	74	13	pat	pat	NOUN
ajst-234	74	14	mechanism	mechanism	NOUN
ajst-234	74	15	and	and	CCONJ
ajst-234	74	16	node	node	PROPN
ajst-234	74	17	location	location	NOUN
ajst-234	74	18	information	information	NOUN
ajst-234	74	19	are	be	AUX
ajst-234	74	20	available	available	ADJ
ajst-234	74	21	.	.	PUNCT
ajst-234	75	1	our	our	PRON
ajst-234	75	2	work	work	NOUN
ajst-234	75	3	is	be	AUX
ajst-234	75	4	extended	extend	VERB
ajst-234	75	5	in	in	ADP
ajst-234	75	6	[	[	X
ajst-234	75	7	7	7	NUM
ajst-234	75	8	]	]	PUNCT
ajst-234	75	9	for	for	ADP
ajst-234	75	10	location	location	NOUN
ajst-234	75	11	uncertainty	uncertainty	NOUN
ajst-234	75	12	to	to	PART
ajst-234	75	13	capture	capture	VERB
ajst-234	75	14	the	the	DET
ajst-234	75	15	negative	negative	ADJ
ajst-234	75	16	impact	impact	NOUN
ajst-234	75	17	of	of	ADP
ajst-234	75	18	pointing	pointing	NOUN
ajst-234	75	19	mismatch	mismatch	NOUN
ajst-234	75	20	on	on	ADP
ajst-234	75	21	end	end	NOUN
ajst-234	75	22	-	-	PUNCT
ajst-234	75	23	to	to	ADP
ajst-234	75	24	-	-	PUNCT
ajst-234	75	25	end	end	NOUN
ajst-234	75	26	performance	performance	NOUN
ajst-234	75	27	of	of	ADP
ajst-234	75	28	multi	multi	ADJ
ajst-234	75	29	hop	hop	PROPN
ajst-234	76	1	uowc	uowc	ADV
ajst-234	76	2	in	in	ADP
ajst-234	76	3	order	order	NOUN
ajst-234	76	4	to	to	PART
ajst-234	76	5	achieve	achieve	VERB
ajst-234	76	6	reliable	reliable	ADJ
ajst-234	76	7	and	and	CCONJ
ajst-234	76	8	reliable	reliable	ADJ
ajst-234	76	9	links	link	NOUN
ajst-234	76	10	,	,	PUNCT
ajst-234	76	11	we	we	PRON
ajst-234	76	12	consider	consider	VERB
ajst-234	76	13	adaptive	adaptive	ADJ
ajst-234	76	14	beamwidth	beamwidth	NOUN
ajst-234	76	15	and	and	CCONJ
ajst-234	76	16	derive	derive	VERB
ajst-234	76	17	the	the	DET
ajst-234	76	18	divergence	divergence	NOUN
ajst-234	76	19	angle	angle	NOUN
ajst-234	76	20	in	in	ADP
ajst-234	76	21	the	the	DET
ajst-234	76	22	absence	absence	NOUN
ajst-234	76	23	and	and	CCONJ
ajst-234	76	24	presence	presence	NOUN
ajst-234	76	25	of	of	ADP
ajst-234	76	26	pat	pat	NOUN
ajst-234	76	27	mechanism	mechanism	NOUN
ajst-234	76	28	.	.	PUNCT
ajst-234	77	1	we	we	PRON
ajst-234	77	2	also	also	ADV
ajst-234	77	3	provide	provide	VERB
ajst-234	77	4	endto	endto	NOUN
ajst-234	77	5	-	-	PUNCT
ajst-234	77	6	end	end	NOUN
ajst-234	77	7	performance	performance	NOUN
ajst-234	77	8	analysis	analysis	NOUN
ajst-234	77	9	of	of	ADP
ajst-234	77	10	df	df	NOUN
ajst-234	77	11	and	and	CCONJ
ajst-234	77	12	af	af	PROPN
ajst-234	77	13	relays	relay	NOUN
ajst-234	77	14	to	to	PART
ajst-234	77	15	obtain	obtain	VERB
ajst-234	77	16	data	data	NOUN
ajst-234	77	17	rate	rate	NOUN
ajst-234	77	18	,	,	PUNCT
ajst-234	77	19	bit	bit	NOUN
ajst-234	77	20	error	error	NOUN
ajst-234	77	21	rate	rate	NOUN
ajst-234	77	22	,	,	PUNCT
ajst-234	77	23	transmission	transmission	NOUN
ajst-234	77	24	power	power	NOUN
ajst-234	77	25	and	and	CCONJ
ajst-234	77	26	amplifier	amplifier	ADJ
ajst-234	77	27	gain	gain	NOUN
ajst-234	77	28	.	.	PUNCT
ajst-234	78	1	the	the	DET
ajst-234	78	2	proposed	propose	VERB
ajst-234	78	3	shortest	short	ADJ
ajst-234	78	4	path	path	NOUN
ajst-234	78	5	based	base	VERB
ajst-234	78	6	routing	routing	NOUN
ajst-234	78	7	protocol	protocol	NOUN
ajst-234	78	8	is	be	AUX
ajst-234	78	9	customized	customize	VERB
ajst-234	78	10	to	to	PART
ajst-234	78	11	optimize	optimize	VERB
ajst-234	78	12	specific	specific	ADJ
ajst-234	78	13	performance	performance	NOUN
ajst-234	78	14	indicators	indicator	NOUN
ajst-234	78	15	(	(	PUNCT
ajst-234	78	16	data	data	NOUN
ajst-234	78	17	rate	rate	NOUN
ajst-234	78	18	,	,	PUNCT
ajst-234	78	19	power	power	NOUN
ajst-234	78	20	consumption	consumption	NOUN
ajst-234	78	21	,	,	PUNCT
ajst-234	78	22	bit	bit	NOUN
ajst-234	78	23	error	error	NOUN
ajst-234	78	24	rate	rate	NOUN
ajst-234	78	25	)	)	PUNCT
ajst-234	78	26	,	,	PUNCT
ajst-234	78	27	while	while	SCONJ
ajst-234	78	28	ensuring	ensure	VERB
ajst-234	78	29	the	the	DET
ajst-234	78	30	constraints	constraint	NOUN
ajst-234	78	31	on	on	ADP
ajst-234	78	32	other	other	ADJ
ajst-234	78	33	routing	routing	NOUN
ajst-234	78	34	protocols	protocol	NOUN
ajst-234	78	35	3.2	3.2	NUM
ajst-234	78	36	.	.	PUNCT
ajst-234	79	1	centralized	centralized	ADJ
ajst-234	79	2	routing	routing	NOUN
ajst-234	79	3	protocols	protocol	NOUN
ajst-234	79	4	although	although	SCONJ
ajst-234	79	5	the	the	DET
ajst-234	79	6	centralized	centralized	ADJ
ajst-234	79	7	routing	routing	NOUN
ajst-234	79	8	protocol	protocol	NOUN
ajst-234	79	9	provides	provide	VERB
ajst-234	79	10	better	well	ADJ
ajst-234	79	11	end	end	NOUN
ajst-234	79	12	-	-	PUNCT
ajst-234	79	13	to	to	ADP
ajst-234	79	14	-	-	PUNCT
ajst-234	79	15	end	end	NOUN
ajst-234	79	16	performance	performance	NOUN
ajst-234	79	17	,	,	PUNCT
ajst-234	79	18	it	it	PRON
ajst-234	79	19	requires	require	VERB
ajst-234	79	20	a	a	DET
ajst-234	79	21	global	global	ADJ
ajst-234	79	22	network	network	NOUN
ajst-234	79	23	view	view	NOUN
ajst-234	79	24	,	,	PUNCT
ajst-234	79	25	resulting	result	VERB
ajst-234	79	26	in	in	ADP
ajst-234	79	27	high	high	ADJ
ajst-234	79	28	communication	communication	NOUN
ajst-234	79	29	overhead	overhead	NOUN
ajst-234	79	30	and	and	CCONJ
ajst-234	79	31	energy	energy	NOUN
ajst-234	79	32	consumption	consumption	NOUN
ajst-234	79	33	of	of	ADP
ajst-234	79	34	the	the	DET
ajst-234	79	35	whole	whole	ADJ
ajst-234	79	36	network	network	NOUN
ajst-234	79	37	[	[	X
ajst-234	79	38	8	8	NUM
ajst-234	79	39	]	]	PUNCT
ajst-234	79	40	.	.	PUNCT
ajst-234	80	1	therefore	therefore	ADV
ajst-234	80	2	,	,	PUNCT
ajst-234	80	3	many	many	ADJ
ajst-234	80	4	people	people	NOUN
ajst-234	80	5	have	have	AUX
ajst-234	80	6	developed	develop	VERB
ajst-234	80	7	a	a	DET
ajst-234	80	8	distributed	distribute	VERB
ajst-234	80	9	omnidirectional	omnidirectional	ADJ
ajst-234	80	10	routing	routing	NOUN
ajst-234	80	11	protocol	protocol	NOUN
ajst-234	80	12	,	,	PUNCT
ajst-234	80	13	which	which	PRON
ajst-234	80	14	provides	provide	VERB
ajst-234	80	15	lower	low	ADJ
ajst-234	80	16	complexity	complexity	NOUN
ajst-234	80	17	at	at	ADP
ajst-234	80	18	the	the	DET
ajst-234	80	19	cost	cost	NOUN
ajst-234	80	20	of	of	ADP
ajst-234	80	21	relatively	relatively	ADV
ajst-234	80	22	high	high	ADJ
ajst-234	80	23	end	end	NOUN
ajst-234	80	24	-	-	PUNCT
ajst-234	80	25	to	to	ADP
ajst-234	80	26	-	-	PUNCT
ajst-234	80	27	end	end	NOUN
ajst-234	80	28	bit	bit	NOUN
ajst-234	80	29	error	error	NOUN
ajst-234	80	30	rate	rate	NOUN
ajst-234	80	31	and	and	CCONJ
ajst-234	80	32	delay	delay	NOUN
ajst-234	80	33	compared	compare	VERB
ajst-234	80	34	with	with	ADP
ajst-234	80	35	the	the	DET
ajst-234	80	36	centralized	centralized	ADJ
ajst-234	80	37	solution	solution	NOUN
ajst-234	80	38	[	[	X
ajst-234	80	39	8	8	NUM
ajst-234	80	40	]	]	PUNCT
ajst-234	80	41	.	.	PUNCT
ajst-234	81	1	the	the	DET
ajst-234	81	2	advantage	advantage	NOUN
ajst-234	81	3	of	of	ADP
ajst-234	81	4	distributed	distributed	ADJ
ajst-234	81	5	routing	routing	NOUN
ajst-234	81	6	is	be	AUX
ajst-234	81	7	that	that	SCONJ
ajst-234	81	8	it	it	PRON
ajst-234	81	9	does	do	AUX
ajst-234	81	10	not	not	PART
ajst-234	81	11	need	need	VERB
ajst-234	81	12	to	to	PART
ajst-234	81	13	know	know	VERB
ajst-234	81	14	the	the	DET
ajst-234	81	15	information	information	NOUN
ajst-234	81	16	of	of	ADP
ajst-234	81	17	all	all	DET
ajst-234	81	18	nodes	node	NOUN
ajst-234	81	19	,	,	PUNCT
ajst-234	81	20	the	the	DET
ajst-234	81	21	complexity	complexity	NOUN
ajst-234	81	22	can	can	AUX
ajst-234	81	23	be	be	AUX
ajst-234	81	24	reduced	reduce	VERB
ajst-234	81	25	,	,	PUNCT
ajst-234	81	26	and	and	CCONJ
ajst-234	81	27	it	it	PRON
ajst-234	81	28	can	can	AUX
ajst-234	81	29	meet	meet	VERB
ajst-234	81	30	the	the	DET
ajst-234	81	31	pointing	pointing	NOUN
ajst-234	81	32	requirements	requirement	NOUN
ajst-234	81	33	more	more	ADV
ajst-234	81	34	flexibly	flexibly	ADV
ajst-234	81	35	.	.	PUNCT
ajst-234	82	1	similarly	similarly	ADV
ajst-234	82	2	,	,	PUNCT
ajst-234	82	3	the	the	DET
ajst-234	82	4	optical	optical	ADJ
ajst-234	82	5	routing	routing	NOUN
ajst-234	82	6	protocol	protocol	NOUN
ajst-234	82	7	(	(	PUNCT
ajst-234	82	8	lipar	lipar	NOUN
ajst-234	82	9	)	)	PUNCT
ajst-234	82	10	is	be	AUX
ajst-234	82	11	introduced	introduce	VERB
ajst-234	82	12	in	in	ADP
ajst-234	82	13	[	[	X
ajst-234	82	14	7	7	NUM
ajst-234	82	15	]	]	PUNCT
ajst-234	82	16	,	,	PUNCT
ajst-234	82	17	which	which	PRON
ajst-234	82	18	considers	consider	VERB
ajst-234	82	19	the	the	DET
ajst-234	82	20	distance	distance	NOUN
ajst-234	82	21	beam	beam	NOUN
ajst-234	82	22	width	width	ADJ
ajst-234	82	23	trade	trade	NOUN
ajst-234	82	24	-	-	PUNCT
ajst-234	82	25	off	off	NOUN
ajst-234	82	26	and	and	CCONJ
ajst-234	82	27	provides	provide	VERB
ajst-234	82	28	better	well	ADJ
ajst-234	82	29	end	end	NOUN
ajst-234	82	30	-	-	PUNCT
ajst-234	82	31	toend	toend	NOUN
ajst-234	82	32	performance	performance	NOUN
ajst-234	82	33	without	without	ADP
ajst-234	82	34	pointing	point	VERB
ajst-234	82	35	mismatch	mismatch	NOUN
ajst-234	82	36	.	.	PUNCT
ajst-234	83	1	due	due	ADP
ajst-234	83	2	to	to	ADP
ajst-234	83	3	the	the	DET
ajst-234	83	4	advantages	advantage	NOUN
ajst-234	83	5	of	of	ADP
ajst-234	83	6	distributed	distribute	VERB
ajst-234	83	7	routing	routing	NOUN
ajst-234	83	8	,	,	PUNCT
ajst-234	83	9	this	this	DET
ajst-234	83	10	paper	paper	NOUN
ajst-234	83	11	mainly	mainly	ADV
ajst-234	83	12	discusses	discuss	VERB
ajst-234	83	13	the	the	DET
ajst-234	83	14	existing	exist	VERB
ajst-234	83	15	distributed	distribute	VERB
ajst-234	83	16	routing	routing	NOUN
ajst-234	83	17	strategies	strategy	NOUN
ajst-234	83	18	.	.	PUNCT
ajst-234	84	1	1	1	X
ajst-234	84	2	.	.	X
ajst-234	84	3	routing	routing	NOUN
ajst-234	84	4	protocol	protocol	NOUN
ajst-234	84	5	based	base	VERB
ajst-234	84	6	on	on	ADP
ajst-234	84	7	distributed	distribute	VERB
ajst-234	84	8	sector	sector	NOUN
ajst-234	84	9	(	(	PUNCT
ajst-234	84	10	ds	ds	ADJ
ajst-234	84	11	)	)	PUNCT
ajst-234	84	12	this	this	DET
ajst-234	84	13	route	route	NOUN
ajst-234	84	14	calculates	calculate	VERB
ajst-234	84	15	the	the	DET
ajst-234	84	16	weight	weight	NOUN
ajst-234	84	17	of	of	ADP
ajst-234	84	18	the	the	DET
ajst-234	84	19	inner	inner	ADJ
ajst-234	84	20	edge	edge	NOUN
ajst-234	84	21	of	of	ADP
ajst-234	84	22	its	its	PRON
ajst-234	84	23	transmission	transmission	NOUN
ajst-234	84	24	radius	radius	NOUN
ajst-234	84	25	through	through	ADP
ajst-234	84	26	the	the	DET
ajst-234	84	27	node	node	NOUN
ajst-234	84	28	,	,	PUNCT
ajst-234	84	29	and	and	CCONJ
ajst-234	84	30	selects	select	VERB
ajst-234	84	31	the	the	DET
ajst-234	84	32	next	next	ADJ
ajst-234	84	33	node	node	NOUN
ajst-234	84	34	among	among	ADP
ajst-234	84	35	the	the	DET
ajst-234	84	36	candidate	candidate	NOUN
ajst-234	84	37	nodes	node	NOUN
ajst-234	84	38	through	through	ADP
ajst-234	84	39	the	the	DET
ajst-234	84	40	weight	weight	NOUN
ajst-234	84	41	.	.	PUNCT
ajst-234	85	1	then	then	ADV
ajst-234	85	2	repeat	repeat	VERB
ajst-234	85	3	forwarding	forwarding	NOUN
ajst-234	85	4	and	and	CCONJ
ajst-234	85	5	selection	selection	NOUN
ajst-234	85	6	on	on	ADP
ajst-234	85	7	each	each	DET
ajst-234	85	8	node	node	NOUN
ajst-234	85	9	,	,	PUNCT
ajst-234	85	10	and	and	CCONJ
ajst-234	85	11	finally	finally	ADV
ajst-234	85	12	forward	forward	VERB
ajst-234	85	13	the	the	DET
ajst-234	85	14	information	information	NOUN
ajst-234	85	15	from	from	ADP
ajst-234	85	16	the	the	DET
ajst-234	85	17	source	source	NOUN
ajst-234	85	18	node	node	NOUN
ajst-234	85	19	to	to	ADP
ajst-234	85	20	the	the	DET
ajst-234	85	21	target	target	NOUN
ajst-234	85	22	node	node	NOUN
ajst-234	85	23	,	,	PUNCT
ajst-234	85	24	as	as	SCONJ
ajst-234	85	25	shown	show	VERB
ajst-234	85	26	in	in	ADP
ajst-234	85	27	figure	figure	NOUN
ajst-234	85	28	4	4	NUM
ajst-234	85	29	.	.	NOUN
ajst-234	85	30	8	8	NUM
ajst-234	85	31	figure	figure	NOUN
ajst-234	85	32	4	4	NUM
ajst-234	85	33	.	.	PUNCT
ajst-234	85	34	network	network	NOUN
ajst-234	85	35	model	model	NOUN
ajst-234	85	36	of	of	ADP
ajst-234	85	37	routing	routing	NOUN
ajst-234	85	38	protocol	protocol	NOUN
ajst-234	85	39	based	base	VERB
ajst-234	85	40	on	on	ADP
ajst-234	85	41	distributed	distribute	VERB
ajst-234	85	42	sector	sector	NOUN
ajst-234	85	43	(	(	PUNCT
ajst-234	85	44	ds	ds	ADJ
ajst-234	85	45	)	)	PUNCT
ajst-234	85	46	2	2	NUM
ajst-234	85	47	.	.	PUNCT
ajst-234	85	48	distributed	distribute	VERB
ajst-234	85	49	sweeping	sweeping	ADJ
ajst-234	85	50	-	-	PUNCT
ajst-234	85	51	and	and	CCONJ
ajst-234	85	52	-	-	PUNCT
ajst-234	85	53	sector	sector	NOUN
ajst-234	85	54	-	-	PUNCT
ajst-234	85	55	based	base	VERB
ajst-234	85	56	(	(	PUNCT
ajst-234	85	57	dss	dss	NOUN
ajst-234	85	58	)	)	PUNCT
ajst-234	85	59	routing	routing	NOUN
ajst-234	85	60	protocol	protocol	NOUN
ajst-234	85	61	this	this	DET
ajst-234	85	62	algorithm	algorithm	NOUN
ajst-234	85	63	is	be	AUX
ajst-234	85	64	based	base	VERB
ajst-234	85	65	on	on	ADP
ajst-234	85	66	the	the	DET
ajst-234	85	67	improvement	improvement	NOUN
ajst-234	85	68	of	of	ADP
ajst-234	85	69	the	the	DET
ajst-234	85	70	previous	previous	ADJ
ajst-234	85	71	algorithm	algorithm	NOUN
ajst-234	85	72	.	.	PUNCT
ajst-234	86	1	when	when	SCONJ
ajst-234	86	2	the	the	DET
ajst-234	86	3	light	light	ADJ
ajst-234	86	4	wave	wave	NOUN
ajst-234	86	5	is	be	AUX
ajst-234	86	6	transmitted	transmit	VERB
ajst-234	86	7	,	,	PUNCT
ajst-234	86	8	the	the	DET
ajst-234	86	9	light	light	ADJ
ajst-234	86	10	wave	wave	NOUN
ajst-234	86	11	transmission	transmission	NOUN
ajst-234	86	12	distance	distance	NOUN
ajst-234	86	13	can	can	AUX
ajst-234	86	14	be	be	AUX
ajst-234	86	15	extended	extend	VERB
ajst-234	86	16	by	by	ADP
ajst-234	86	17	adjusting	adjust	VERB
ajst-234	86	18	the	the	DET
ajst-234	86	19	beam	beam	NOUN
ajst-234	86	20	width	width	NOUN
ajst-234	86	21	under	under	ADP
ajst-234	86	22	the	the	DET
ajst-234	86	23	same	same	ADJ
ajst-234	86	24	power	power	NOUN
ajst-234	86	25	.	.	PUNCT
ajst-234	87	1	therefore	therefore	ADV
ajst-234	87	2	,	,	PUNCT
ajst-234	87	3	this	this	DET
ajst-234	87	4	algorithm	algorithm	NOUN
ajst-234	87	5	transmits	transmit	VERB
ajst-234	87	6	in	in	ADP
ajst-234	87	7	a	a	DET
ajst-234	87	8	shorter	short	ADJ
ajst-234	87	9	range	range	NOUN
ajst-234	87	10	with	with	ADP
ajst-234	87	11	a	a	DET
ajst-234	87	12	wider	wide	ADJ
ajst-234	87	13	beam	beam	NOUN
ajst-234	87	14	through	through	ADP
ajst-234	87	15	the	the	DET
ajst-234	87	16	transceiver	transceiver	NOUN
ajst-234	87	17	,	,	PUNCT
ajst-234	87	18	and	and	CCONJ
ajst-234	87	19	transmits	transmit	NOUN
ajst-234	87	20	in	in	ADP
ajst-234	87	21	a	a	DET
ajst-234	87	22	longer	long	ADJ
ajst-234	87	23	distance	distance	NOUN
ajst-234	87	24	with	with	ADP
ajst-234	87	25	a	a	DET
ajst-234	87	26	narrower	narrow	ADJ
ajst-234	87	27	beam	beam	NOUN
ajst-234	87	28	,	,	PUNCT
ajst-234	87	29	and	and	CCONJ
ajst-234	87	30	then	then	ADV
ajst-234	87	31	expands	expand	VERB
ajst-234	87	32	the	the	DET
ajst-234	87	33	transmission	transmission	NOUN
ajst-234	87	34	coverage	coverage	NOUN
ajst-234	87	35	of	of	ADP
ajst-234	87	36	the	the	DET
ajst-234	87	37	node	node	NOUN
ajst-234	87	38	through	through	ADP
ajst-234	87	39	scanning	scanning	NOUN
ajst-234	87	40	,	,	PUNCT
ajst-234	87	41	as	as	SCONJ
ajst-234	87	42	shown	show	VERB
ajst-234	87	43	in	in	ADP
ajst-234	87	44	fig	fig	NOUN
ajst-234	87	45	.	.	PUNCT
ajst-234	88	1	5	5	X
ajst-234	88	2	.	.	X
ajst-234	88	3	figure	figure	NOUN
ajst-234	88	4	5	5	NUM
ajst-234	88	5	.	.	PUNCT
ajst-234	89	1	network	network	NOUN
ajst-234	89	2	model	model	NOUN
ajst-234	89	3	of	of	ADP
ajst-234	89	4	routing	routing	NOUN
ajst-234	89	5	protocol	protocol	NOUN
ajst-234	89	6	based	base	VERB
ajst-234	89	7	on	on	ADP
ajst-234	89	8	dss	dss	NOUN
ajst-234	89	9	3	3	NUM
ajst-234	89	10	.	.	PUNCT
ajst-234	89	11	sector	sector	NOUN
ajst-234	89	12	-	-	PUNCT
ajst-234	89	13	based	base	VERB
ajst-234	89	14	opportunistic	opportunistic	ADJ
ajst-234	89	15	routing	routing	NOUN
ajst-234	89	16	protocol	protocol	NOUN
ajst-234	89	17	this	this	DET
ajst-234	89	18	strategy	strategy	NOUN
ajst-234	89	19	can	can	AUX
ajst-234	89	20	select	select	VERB
ajst-234	89	21	multiple	multiple	ADJ
ajst-234	89	22	routes	route	NOUN
ajst-234	89	23	.	.	PUNCT
ajst-234	90	1	when	when	SCONJ
ajst-234	90	2	the	the	DET
ajst-234	90	3	optimal	optimal	ADJ
ajst-234	90	4	route	route	NOUN
ajst-234	90	5	is	be	AUX
ajst-234	90	6	not	not	PART
ajst-234	90	7	available	available	ADJ
ajst-234	90	8	,	,	PUNCT
ajst-234	90	9	you	you	PRON
ajst-234	90	10	can	can	AUX
ajst-234	90	11	select	select	VERB
ajst-234	90	12	the	the	DET
ajst-234	90	13	standby	standby	ADJ
ajst-234	90	14	route	route	NOUN
ajst-234	90	15	for	for	ADP
ajst-234	90	16	signal	signal	ADJ
ajst-234	90	17	transmission	transmission	NOUN
ajst-234	90	18	,	,	PUNCT
ajst-234	90	19	which	which	PRON
ajst-234	90	20	helps	help	VERB
ajst-234	90	21	to	to	PART
ajst-234	90	22	improve	improve	VERB
ajst-234	90	23	the	the	DET
ajst-234	90	24	reliability	reliability	NOUN
ajst-234	90	25	of	of	ADP
ajst-234	90	26	transmission	transmission	NOUN
ajst-234	90	27	.	.	PUNCT
ajst-234	91	1	but	but	CCONJ
ajst-234	91	2	at	at	ADP
ajst-234	91	3	the	the	DET
ajst-234	91	4	same	same	ADJ
ajst-234	91	5	time	time	NOUN
ajst-234	91	6	,	,	PUNCT
ajst-234	91	7	it	it	PRON
ajst-234	91	8	will	will	AUX
ajst-234	91	9	lose	lose	VERB
ajst-234	91	10	part	part	NOUN
ajst-234	91	11	of	of	ADP
ajst-234	91	12	the	the	DET
ajst-234	91	13	energy	energy	NOUN
ajst-234	91	14	consumption	consumption	NOUN
ajst-234	91	15	and	and	CCONJ
ajst-234	91	16	improve	improve	VERB
ajst-234	91	17	the	the	DET
ajst-234	91	18	delay	delay	NOUN
ajst-234	91	19	,	,	PUNCT
ajst-234	91	20	as	as	SCONJ
ajst-234	91	21	shown	show	VERB
ajst-234	91	22	in	in	ADP
ajst-234	91	23	figure	figure	NOUN
ajst-234	91	24	6	6	NUM
ajst-234	91	25	.	.	PUNCT
ajst-234	91	26	figure	figure	VERB
ajst-234	91	27	6	6	NUM
ajst-234	91	28	.	.	PUNCT
ajst-234	92	1	network	network	NOUN
ajst-234	92	2	model	model	NOUN
ajst-234	92	3	of	of	ADP
ajst-234	92	4	sector	sector	NOUN
ajst-234	92	5	-	-	PUNCT
ajst-234	92	6	based	base	VERB
ajst-234	92	7	opportunistic	opportunistic	ADJ
ajst-234	92	8	routing	routing	NOUN
ajst-234	92	9	protocol	protocol	NOUN
ajst-234	92	10	because	because	SCONJ
ajst-234	92	11	there	there	PRON
ajst-234	92	12	are	be	VERB
ajst-234	92	13	few	few	ADJ
ajst-234	92	14	existing	exist	VERB
ajst-234	92	15	underwater	underwater	ADJ
ajst-234	92	16	wireless	wireless	ADJ
ajst-234	92	17	optical	optical	ADJ
ajst-234	92	18	communication	communication	NOUN
ajst-234	92	19	routes	route	NOUN
ajst-234	93	1	,	,	PUNCT
ajst-234	93	2	researchers	researcher	NOUN
ajst-234	93	3	need	need	VERB
ajst-234	93	4	to	to	PART
ajst-234	93	5	continue	continue	VERB
ajst-234	93	6	to	to	PART
ajst-234	93	7	study	study	VERB
ajst-234	93	8	.	.	PUNCT
ajst-234	94	1	due	due	ADP
ajst-234	94	2	to	to	ADP
ajst-234	94	3	the	the	DET
ajst-234	94	4	relatively	relatively	ADV
ajst-234	94	5	mature	mature	ADJ
ajst-234	94	6	technology	technology	NOUN
ajst-234	94	7	of	of	ADP
ajst-234	94	8	underwater	underwater	ADJ
ajst-234	94	9	acoustic	acoustic	ADJ
ajst-234	94	10	communication	communication	NOUN
ajst-234	94	11	,	,	PUNCT
ajst-234	94	12	there	there	PRON
ajst-234	94	13	are	be	VERB
ajst-234	94	14	many	many	ADJ
ajst-234	94	15	routing	routing	NOUN
ajst-234	94	16	solutions	solution	NOUN
ajst-234	94	17	.	.	PUNCT
ajst-234	95	1	this	this	DET
ajst-234	95	2	paper	paper	NOUN
ajst-234	95	3	summarizes	summarize	VERB
ajst-234	95	4	some	some	DET
ajst-234	95	5	routing	routing	NOUN
ajst-234	95	6	strategies	strategy	NOUN
ajst-234	95	7	based	base	VERB
ajst-234	95	8	on	on	ADP
ajst-234	95	9	underwater	underwater	ADJ
ajst-234	95	10	acoustic	acoustic	ADJ
ajst-234	95	11	communication	communication	NOUN
ajst-234	95	12	.	.	PUNCT
ajst-234	96	1	these	these	DET
ajst-234	96	2	strategies	strategy	NOUN
ajst-234	96	3	are	be	AUX
ajst-234	96	4	potential	potential	ADJ
ajst-234	96	5	uowc	uowc	NOUN
ajst-234	96	6	routing	route	VERB
ajst-234	96	7	protocols	protocol	NOUN
ajst-234	96	8	4	4	NUM
ajst-234	96	9	.	.	X
ajst-234	96	10	location	location	NOUN
ajst-234	96	11	based	base	VERB
ajst-234	96	12	routing	routing	NOUN
ajst-234	96	13	in	in	ADP
ajst-234	96	14	the	the	DET
ajst-234	96	15	location	location	NOUN
ajst-234	96	16	-	-	PUNCT
ajst-234	96	17	based	base	VERB
ajst-234	96	18	routing	routing	NOUN
ajst-234	96	19	strategy	strategy	NOUN
ajst-234	96	20	,	,	PUNCT
ajst-234	96	21	the	the	DET
ajst-234	96	22	location	location	NOUN
ajst-234	96	23	information	information	NOUN
ajst-234	96	24	of	of	ADP
ajst-234	96	25	underwater	underwater	ADJ
ajst-234	96	26	sensors	sensor	NOUN
ajst-234	96	27	is	be	AUX
ajst-234	96	28	used	use	VERB
ajst-234	96	29	to	to	PART
ajst-234	96	30	find	find	VERB
ajst-234	96	31	the	the	DET
ajst-234	96	32	best	good	ADJ
ajst-234	96	33	route	route	NOUN
ajst-234	96	34	from	from	ADP
ajst-234	96	35	the	the	DET
ajst-234	96	36	source	source	NOUN
ajst-234	96	37	node	node	NOUN
ajst-234	96	38	to	to	ADP
ajst-234	96	39	the	the	DET
ajst-234	96	40	destination	destination	NOUN
ajst-234	96	41	node	node	NOUN
ajst-234	96	42	.	.	PUNCT
ajst-234	97	1	in	in	ADP
ajst-234	97	2	location	location	NOUN
ajst-234	97	3	-	-	PUNCT
ajst-234	97	4	based	base	VERB
ajst-234	97	5	routing	routing	NOUN
ajst-234	97	6	,	,	PUNCT
ajst-234	97	7	each	each	DET
ajst-234	97	8	node	node	NOUN
ajst-234	97	9	should	should	AUX
ajst-234	97	10	know	know	VERB
ajst-234	97	11	its	its	PRON
ajst-234	97	12	own	own	ADJ
ajst-234	97	13	location	location	NOUN
ajst-234	97	14	,	,	PUNCT
ajst-234	97	15	target	target	NOUN
ajst-234	97	16	area	area	NOUN
ajst-234	97	17	and	and	CCONJ
ajst-234	97	18	neighbor	neighbor	NOUN
ajst-234	97	19	location	location	NOUN
ajst-234	97	20	.	.	PUNCT
ajst-234	98	1	forward	forward	ADJ
ajst-234	98	2	data	datum	NOUN
ajst-234	98	3	according	accord	VERB
ajst-234	98	4	to	to	ADP
ajst-234	98	5	location	location	NOUN
ajst-234	98	6	information	information	NOUN
ajst-234	98	7	.	.	PUNCT
ajst-234	99	1	this	this	DET
ajst-234	99	2	routing	routing	NOUN
ajst-234	99	3	method	method	NOUN
ajst-234	99	4	needs	need	VERB
ajst-234	99	5	to	to	PART
ajst-234	99	6	know	know	VERB
ajst-234	99	7	its	its	PRON
ajst-234	99	8	location	location	NOUN
ajst-234	99	9	,	,	PUNCT
ajst-234	99	10	target	target	NOUN
ajst-234	99	11	area	area	NOUN
ajst-234	99	12	and	and	CCONJ
ajst-234	99	13	neighbor	neighbor	NOUN
ajst-234	99	14	location	location	NOUN
ajst-234	99	15	.	.	PUNCT
ajst-234	100	1	gps	gps	PROPN
ajst-234	100	2	or	or	CCONJ
ajst-234	100	3	underwater	underwater	ADJ
ajst-234	100	4	local	local	ADJ
ajst-234	100	5	positioning	positioning	NOUN
ajst-234	100	6	system	system	NOUN
ajst-234	100	7	is	be	AUX
ajst-234	100	8	required	require	VERB
ajst-234	100	9	.	.	PUNCT
ajst-234	101	1	however	however	ADV
ajst-234	101	2	,	,	PUNCT
ajst-234	101	3	gps	gps	PROPN
ajst-234	101	4	can	can	AUX
ajst-234	101	5	not	not	PART
ajst-234	101	6	work	work	VERB
ajst-234	101	7	in	in	ADP
ajst-234	101	8	the	the	DET
ajst-234	101	9	underwater	underwater	ADJ
ajst-234	101	10	environment	environment	NOUN
ajst-234	101	11	,	,	PUNCT
ajst-234	101	12	and	and	CCONJ
ajst-234	101	13	the	the	DET
ajst-234	101	14	bad	bad	ADJ
ajst-234	101	15	underwater	underwater	ADJ
ajst-234	101	16	environment	environment	NOUN
ajst-234	101	17	will	will	AUX
ajst-234	101	18	lead	lead	VERB
ajst-234	101	19	to	to	ADP
ajst-234	101	20	positioning	positioning	NOUN
ajst-234	101	21	error	error	NOUN
ajst-234	101	22	.	.	PUNCT
ajst-234	102	1	typical	typical	ADJ
ajst-234	102	2	location	location	NOUN
ajst-234	102	3	-	-	PUNCT
ajst-234	102	4	based	base	VERB
ajst-234	102	5	routing	routing	NOUN
ajst-234	102	6	mechanisms	mechanism	NOUN
ajst-234	102	7	mainly	mainly	ADV
ajst-234	102	8	include	include	VERB
ajst-234	102	9	vector	vector	NOUN
ajst-234	102	10	based	base	VERB
ajst-234	102	11	routing	routing	NOUN
ajst-234	102	12	and	and	CCONJ
ajst-234	102	13	focused	focused	ADJ
ajst-234	102	14	beam	beam	NOUN
ajst-234	102	15	based	base	VERB
ajst-234	102	16	routing	routing	NOUN
ajst-234	102	17	.	.	PUNCT
ajst-234	103	1	the	the	DET
ajst-234	103	2	network	network	NOUN
ajst-234	103	3	model	model	NOUN
ajst-234	103	4	is	be	AUX
ajst-234	103	5	shown	show	VERB
ajst-234	103	6	in	in	ADP
ajst-234	103	7	figure	figure	NOUN
ajst-234	103	8	7	7	NUM
ajst-234	103	9	and	and	CCONJ
ajst-234	103	10	8	8	NUM
ajst-234	103	11	.	.	PUNCT
ajst-234	103	12	.	.	PUNCT
ajst-234	104	1	figure	figure	VERB
ajst-234	104	2	7	7	NUM
ajst-234	104	3	.	.	PUNCT
ajst-234	105	1	network	network	NOUN
ajst-234	105	2	model	model	NOUN
ajst-234	105	3	of	of	ADP
ajst-234	105	4	vector	vector	NOUN
ajst-234	105	5	based	base	VERB
ajst-234	105	6	routing	route	VERB
ajst-234	105	7	9	9	NUM
ajst-234	105	8	figure	figure	NOUN
ajst-234	105	9	8	8	NUM
ajst-234	105	10	.	.	PUNCT
ajst-234	106	1	network	network	NOUN
ajst-234	106	2	model	model	NOUN
ajst-234	106	3	of	of	ADP
ajst-234	106	4	focused	focus	VERB
ajst-234	106	5	beam	beam	NOUN
ajst-234	106	6	based	base	VERB
ajst-234	106	7	routing	route	VERB
ajst-234	106	8	5	5	NUM
ajst-234	106	9	.	.	PUNCT
ajst-234	106	10	source	source	NOUN
ajst-234	106	11	based	base	VERB
ajst-234	106	12	routing	routing	NOUN
ajst-234	106	13	[	[	X
ajst-234	106	14	8	8	NUM
ajst-234	106	15	]	]	PUNCT
ajst-234	106	16	introduces	introduce	VERB
ajst-234	106	17	a	a	DET
ajst-234	106	18	simple	simple	ADJ
ajst-234	106	19	and	and	CCONJ
ajst-234	106	20	energy	energy	NOUN
ajst-234	106	21	-	-	PUNCT
ajst-234	106	22	saving	save	VERB
ajst-234	106	23	source	source	NOUN
ajst-234	106	24	based	base	VERB
ajst-234	106	25	routing	routing	NOUN
ajst-234	106	26	protocol	protocol	NOUN
ajst-234	106	27	.	.	PUNCT
ajst-234	107	1	the	the	DET
ajst-234	107	2	protocol	protocol	NOUN
ajst-234	107	3	in	in	ADP
ajst-234	107	4	[	[	X
ajst-234	107	5	204	204	NUM
ajst-234	107	6	]	]	PUNCT
ajst-234	107	7	selects	select	VERB
ajst-234	107	8	the	the	DET
ajst-234	107	9	route	route	NOUN
ajst-234	107	10	with	with	ADP
ajst-234	107	11	the	the	DET
ajst-234	107	12	least	least	ADJ
ajst-234	107	13	transmission	transmission	NOUN
ajst-234	107	14	delay	delay	NOUN
ajst-234	107	15	from	from	ADP
ajst-234	107	16	the	the	DET
ajst-234	107	17	source	source	NOUN
ajst-234	107	18	node	node	NOUN
ajst-234	107	19	to	to	ADP
ajst-234	107	20	the	the	DET
ajst-234	107	21	receiver	receiver	ADJ
ajst-234	107	22	node	node	NOUN
ajst-234	107	23	.	.	PUNCT
ajst-234	108	1	once	once	ADV
ajst-234	108	2	a	a	DET
ajst-234	108	3	route	route	NOUN
ajst-234	108	4	is	be	AUX
ajst-234	108	5	defined	define	VERB
ajst-234	108	6	,	,	PUNCT
ajst-234	108	7	the	the	DET
ajst-234	108	8	node	node	NOUN
ajst-234	108	9	on	on	ADP
ajst-234	108	10	the	the	DET
ajst-234	108	11	route	route	NOUN
ajst-234	108	12	can	can	AUX
ajst-234	108	13	also	also	ADV
ajst-234	108	14	transmit	transmit	VERB
ajst-234	108	15	data	datum	NOUN
ajst-234	108	16	to	to	ADP
ajst-234	108	17	the	the	DET
ajst-234	108	18	sink	sink	NOUN
ajst-234	108	19	node	node	PROPN
ajst-234	108	20	.	.	PUNCT
ajst-234	109	1	the	the	DET
ajst-234	109	2	average	average	ADJ
ajst-234	109	3	end	end	ADJ
ajst-234	109	4	-	-	PUNCT
ajst-234	109	5	toend	toend	NOUN
ajst-234	109	6	delay	delay	NOUN
ajst-234	109	7	,	,	PUNCT
ajst-234	109	8	average	average	ADJ
ajst-234	109	9	energy	energy	NOUN
ajst-234	109	10	consumption	consumption	NOUN
ajst-234	109	11	and	and	CCONJ
ajst-234	109	12	packet	packet	NOUN
ajst-234	109	13	delivery	delivery	NOUN
ajst-234	109	14	rate	rate	NOUN
ajst-234	109	15	of	of	ADP
ajst-234	109	16	the	the	DET
ajst-234	109	17	protocol	protocol	NOUN
ajst-234	109	18	proposed	propose	VERB
ajst-234	109	19	in	in	ADP
ajst-234	109	20	[	[	X
ajst-234	109	21	8	8	NUM
ajst-234	109	22	]	]	PUNCT
ajst-234	109	23	are	be	AUX
ajst-234	109	24	better	well	ADJ
ajst-234	109	25	than	than	ADP
ajst-234	109	26	other	other	ADJ
ajst-234	109	27	traditional	traditional	ADJ
ajst-234	109	28	routing	route	VERB
ajst-234	109	29	protocols	protocol	NOUN
ajst-234	109	30	.	.	PUNCT
ajst-234	110	1	another	another	DET
ajst-234	110	2	source	source	NOUN
ajst-234	110	3	based	base	VERB
ajst-234	110	4	routing	routing	NOUN
ajst-234	110	5	protocol	protocol	NOUN
ajst-234	110	6	suitable	suitable	ADJ
ajst-234	110	7	for	for	ADP
ajst-234	110	8	small	small	ADJ
ajst-234	110	9	uawc	uawc	ADJ
ajst-234	110	10	networks	network	NOUN
ajst-234	110	11	is	be	AUX
ajst-234	110	12	proposed	propose	VERB
ajst-234	110	13	in	in	ADP
ajst-234	110	14	[	[	X
ajst-234	110	15	9	9	NUM
ajst-234	110	16	]	]	PUNCT
ajst-234	110	17	,	,	PUNCT
ajst-234	110	18	in	in	ADP
ajst-234	110	19	which	which	PRON
ajst-234	110	20	each	each	DET
ajst-234	110	21	node	node	VERB
ajst-234	110	22	only	only	ADV
ajst-234	110	23	shares	share	VERB
ajst-234	110	24	information	information	NOUN
ajst-234	110	25	with	with	ADP
ajst-234	110	26	its	its	PRON
ajst-234	110	27	single	single	ADJ
ajst-234	110	28	hop	hop	NOUN
ajst-234	110	29	neighbor	neighbor	NOUN
ajst-234	110	30	nodes	node	NOUN
ajst-234	110	31	and	and	CCONJ
ajst-234	110	32	finds	find	VERB
ajst-234	110	33	the	the	DET
ajst-234	110	34	minimum	minimum	ADJ
ajst-234	110	35	cost	cost	NOUN
ajst-234	110	36	path	path	NOUN
ajst-234	110	37	from	from	ADP
ajst-234	110	38	source	source	NOUN
ajst-234	110	39	to	to	ADP
ajst-234	110	40	destination	destination	NOUN
ajst-234	110	41	.	.	PUNCT
ajst-234	111	1	6	6	X
ajst-234	111	2	.	.	X
ajst-234	111	3	hop	hop	NOUN
ajst-234	111	4	-	-	PUNCT
ajst-234	111	5	by	by	ADP
ajst-234	111	6	-	-	PUNCT
ajst-234	111	7	hop	hop	NOUN
ajst-234	111	8	routing	routing	NOUN
ajst-234	111	9	in	in	ADP
ajst-234	111	10	hop	hop	NOUN
ajst-234	111	11	-	-	PUNCT
ajst-234	111	12	by	by	ADP
ajst-234	111	13	-	-	PUNCT
ajst-234	111	14	hop	hop	NOUN
ajst-234	111	15	routing	routing	NOUN
ajst-234	111	16	,	,	PUNCT
ajst-234	111	17	the	the	DET
ajst-234	111	18	intermediate	intermediate	ADJ
ajst-234	111	19	node	node	NOUN
ajst-234	111	20	(	(	PUNCT
ajst-234	111	21	or	or	CCONJ
ajst-234	111	22	relay	relay	NOUN
ajst-234	111	23	node	node	NOUN
ajst-234	111	24	)	)	PUNCT
ajst-234	111	25	selects	select	VERB
ajst-234	111	26	the	the	DET
ajst-234	111	27	next	next	ADJ
ajst-234	111	28	hop	hop	NOUN
ajst-234	111	29	by	by	ADP
ajst-234	111	30	itself	itself	PRON
ajst-234	111	31	.	.	PUNCT
ajst-234	112	1	hop	hop	INTJ
ajst-234	112	2	by	by	ADP
ajst-234	112	3	hop	hop	NOUN
ajst-234	112	4	routing	routing	NOUN
ajst-234	112	5	provides	provide	VERB
ajst-234	112	6	flexibility	flexibility	NOUN
ajst-234	112	7	and	and	CCONJ
ajst-234	112	8	scalability	scalability	NOUN
ajst-234	112	9	for	for	ADP
ajst-234	112	10	the	the	DET
ajst-234	112	11	network	network	NOUN
ajst-234	112	12	,	,	PUNCT
ajst-234	112	13	but	but	CCONJ
ajst-234	112	14	routing	routing	NOUN
ajst-234	112	15	may	may	AUX
ajst-234	112	16	not	not	PART
ajst-234	112	17	always	always	ADV
ajst-234	112	18	be	be	AUX
ajst-234	112	19	optimal	optimal	ADJ
ajst-234	112	20	.	.	PUNCT
ajst-234	113	1	[	[	X
ajst-234	113	2	10	10	NUM
ajst-234	113	3	]	]	X
ajst-234	113	4	a	a	DET
ajst-234	113	5	channel	channel	NOUN
ajst-234	113	6	aware	aware	ADJ
ajst-234	113	7	hop	hop	NOUN
ajst-234	113	8	by	by	ADP
ajst-234	113	9	hop	hop	NOUN
ajst-234	113	10	routing	routing	NOUN
ajst-234	113	11	protocol	protocol	NOUN
ajst-234	113	12	is	be	AUX
ajst-234	113	13	introduced	introduce	VERB
ajst-234	113	14	,	,	PUNCT
ajst-234	113	15	in	in	ADP
ajst-234	113	16	which	which	PRON
ajst-234	113	17	the	the	DET
ajst-234	113	18	relay	relay	NOUN
ajst-234	113	19	node	node	NOUN
ajst-234	113	20	considers	consider	VERB
ajst-234	113	21	the	the	DET
ajst-234	113	22	acoustic	acoustic	ADJ
ajst-234	113	23	velocity	velocity	NOUN
ajst-234	113	24	at	at	ADP
ajst-234	113	25	different	different	ADJ
ajst-234	113	26	depths	depth	NOUN
ajst-234	113	27	to	to	PART
ajst-234	113	28	reduce	reduce	VERB
ajst-234	113	29	the	the	DET
ajst-234	113	30	end	end	NOUN
ajst-234	113	31	-	-	PUNCT
ajst-234	113	32	to	to	ADP
ajst-234	113	33	-	-	PUNCT
ajst-234	113	34	end	end	NOUN
ajst-234	113	35	transmission	transmission	NOUN
ajst-234	113	36	delay	delay	NOUN
ajst-234	113	37	.	.	PUNCT
ajst-234	114	1	the	the	DET
ajst-234	114	2	network	network	NOUN
ajst-234	114	3	model	model	NOUN
ajst-234	114	4	is	be	AUX
ajst-234	114	5	shown	show	VERB
ajst-234	114	6	in	in	ADP
ajst-234	114	7	figure	figure	NOUN
ajst-234	114	8	9	9	NUM
ajst-234	114	9	.	.	PUNCT
ajst-234	114	10	figure	figure	NOUN
ajst-234	114	11	9	9	NUM
ajst-234	114	12	.	.	PUNCT
ajst-234	115	1	network	network	NOUN
ajst-234	115	2	model	model	NOUN
ajst-234	115	3	of	of	ADP
ajst-234	115	4	hop	hop	NOUN
ajst-234	115	5	-	-	PUNCT
ajst-234	115	6	by	by	ADP
ajst-234	115	7	-	-	PUNCT
ajst-234	115	8	hop	hop	NOUN
ajst-234	115	9	routing	routing	NOUN
ajst-234	115	10	7	7	NUM
ajst-234	115	11	.	.	PUNCT
ajst-234	115	12	cross	cross	NOUN
ajst-234	115	13	layer	layer	NOUN
ajst-234	115	14	routing	route	VERB
ajst-234	115	15	the	the	DET
ajst-234	115	16	cross	cross	NOUN
ajst-234	115	17	layer	layer	NOUN
ajst-234	115	18	routing	routing	NOUN
ajst-234	115	19	protocol	protocol	NOUN
ajst-234	115	20	considers	consider	VERB
ajst-234	115	21	the	the	DET
ajst-234	115	22	available	available	ADJ
ajst-234	115	23	information	information	NOUN
ajst-234	115	24	from	from	ADP
ajst-234	115	25	different	different	ADJ
ajst-234	115	26	layers	layer	NOUN
ajst-234	115	27	,	,	PUNCT
ajst-234	115	28	and	and	CCONJ
ajst-234	115	29	provides	provide	VERB
ajst-234	115	30	solutions	solution	NOUN
ajst-234	115	31	to	to	ADP
ajst-234	115	32	many	many	ADJ
ajst-234	115	33	network	network	NOUN
ajst-234	115	34	problems	problem	NOUN
ajst-234	115	35	such	such	ADJ
ajst-234	115	36	as	as	ADP
ajst-234	115	37	scheduling	scheduling	NOUN
ajst-234	115	38	,	,	PUNCT
ajst-234	115	39	defining	define	VERB
ajst-234	115	40	routing	routing	NOUN
ajst-234	115	41	strategy	strategy	NOUN
ajst-234	115	42	and	and	CCONJ
ajst-234	115	43	power	power	NOUN
ajst-234	115	44	control	control	NOUN
ajst-234	115	45	.	.	PUNCT
ajst-234	116	1	the	the	DET
ajst-234	116	2	cross	cross	NOUN
ajst-234	116	3	layer	layer	NOUN
ajst-234	116	4	routing	routing	NOUN
ajst-234	116	5	protocol	protocol	NOUN
ajst-234	116	6	can	can	AUX
ajst-234	116	7	also	also	ADV
ajst-234	116	8	select	select	VERB
ajst-234	116	9	the	the	DET
ajst-234	116	10	next	next	ADJ
ajst-234	116	11	hop	hop	NOUN
ajst-234	116	12	for	for	ADP
ajst-234	116	13	transmission	transmission	NOUN
ajst-234	116	14	by	by	ADP
ajst-234	116	15	considering	consider	VERB
ajst-234	116	16	the	the	DET
ajst-234	116	17	transmission	transmission	NOUN
ajst-234	116	18	delay	delay	NOUN
ajst-234	116	19	,	,	PUNCT
ajst-234	116	20	the	the	DET
ajst-234	116	21	distance	distance	NOUN
ajst-234	116	22	to	to	ADP
ajst-234	116	23	the	the	DET
ajst-234	116	24	receiver	receiver	NOUN
ajst-234	116	25	,	,	PUNCT
ajst-234	116	26	channel	channel	NOUN
ajst-234	116	27	conditions	condition	NOUN
ajst-234	116	28	and	and	CCONJ
ajst-234	116	29	the	the	DET
ajst-234	116	30	buffer	buffer	NOUN
ajst-234	116	31	size	size	NOUN
ajst-234	116	32	of	of	ADP
ajst-234	116	33	candidate	candidate	NOUN
ajst-234	116	34	nodes	node	NOUN
ajst-234	116	35	.	.	PUNCT
ajst-234	117	1	the	the	DET
ajst-234	117	2	cross	cross	NOUN
ajst-234	117	3	layer	layer	NOUN
ajst-234	117	4	strategy	strategy	NOUN
ajst-234	117	5	improves	improve	VERB
ajst-234	117	6	the	the	DET
ajst-234	117	7	overall	overall	ADJ
ajst-234	117	8	performance	performance	NOUN
ajst-234	117	9	of	of	ADP
ajst-234	117	10	the	the	DET
ajst-234	117	11	network	network	NOUN
ajst-234	117	12	and	and	CCONJ
ajst-234	117	13	minimizes	minimize	VERB
ajst-234	117	14	the	the	DET
ajst-234	117	15	energy	energy	NOUN
ajst-234	117	16	consumption	consumption	NOUN
ajst-234	117	17	of	of	ADP
ajst-234	117	18	the	the	DET
ajst-234	117	19	network	network	NOUN
ajst-234	117	20	.	.	PUNCT
ajst-234	118	1	[	[	X
ajst-234	118	2	11	11	NUM
ajst-234	118	3	]	]	PUNCT
ajst-234	118	4	the	the	DET
ajst-234	118	5	cross	cross	NOUN
ajst-234	118	6	layer	layer	NOUN
ajst-234	118	7	protocol	protocol	NOUN
ajst-234	118	8	of	of	ADP
ajst-234	118	9	3d	3d	PROPN
ajst-234	118	10	underwater	underwater	NOUN
ajst-234	118	11	environment	environment	NOUN
ajst-234	118	12	is	be	AUX
ajst-234	118	13	studied	study	VERB
ajst-234	118	14	.	.	PUNCT
ajst-234	119	1	the	the	DET
ajst-234	119	2	protocol	protocol	NOUN
ajst-234	119	3	effectively	effectively	ADV
ajst-234	119	4	uses	use	VERB
ajst-234	119	5	the	the	DET
ajst-234	119	6	channel	channel	NOUN
ajst-234	119	7	and	and	CCONJ
ajst-234	119	8	sets	set	VERB
ajst-234	119	9	the	the	DET
ajst-234	119	10	optimal	optimal	ADJ
ajst-234	119	11	packet	packet	NOUN
ajst-234	119	12	size	size	NOUN
ajst-234	119	13	for	for	ADP
ajst-234	119	14	transmission	transmission	NOUN
ajst-234	119	15	.	.	PUNCT
ajst-234	120	1	a	a	DET
ajst-234	120	2	multipath	multipath	NOUN
ajst-234	120	3	power	power	NOUN
ajst-234	120	4	control	control	NOUN
ajst-234	120	5	routing	routing	NOUN
ajst-234	120	6	protocol	protocol	NOUN
ajst-234	120	7	is	be	AUX
ajst-234	120	8	proposed	propose	VERB
ajst-234	120	9	in	in	ADP
ajst-234	120	10	[	[	X
ajst-234	120	11	12	12	NUM
ajst-234	120	12	,	,	PUNCT
ajst-234	120	13	13	13	NUM
ajst-234	120	14	]	]	PUNCT
ajst-234	120	15	,	,	PUNCT
ajst-234	120	16	which	which	PRON
ajst-234	120	17	combines	combine	VERB
ajst-234	120	18	multipath	multipath	NOUN
ajst-234	120	19	routing	routing	NOUN
ajst-234	120	20	with	with	ADP
ajst-234	120	21	the	the	DET
ajst-234	120	22	power	power	NOUN
ajst-234	120	23	control	control	NOUN
ajst-234	120	24	of	of	ADP
ajst-234	120	25	the	the	DET
ajst-234	120	26	sink	sink	NOUN
ajst-234	120	27	node	node	PROPN
ajst-234	120	28	.	.	PUNCT
ajst-234	121	1	the	the	DET
ajst-234	121	2	network	network	NOUN
ajst-234	121	3	model	model	NOUN
ajst-234	121	4	is	be	AUX
ajst-234	121	5	shown	show	VERB
ajst-234	121	6	in	in	ADP
ajst-234	121	7	figure	figure	NOUN
ajst-234	121	8	9	9	NUM
ajst-234	121	9	.	.	PUNCT
ajst-234	121	10	figure	figure	NOUN
ajst-234	121	11	10	10	NUM
ajst-234	121	12	.	.	PUNCT
ajst-234	122	1	network	network	NOUN
ajst-234	122	2	model	model	NOUN
ajst-234	122	3	of	of	ADP
ajst-234	122	4	cross	cross	NOUN
ajst-234	122	5	layer	layer	NOUN
ajst-234	122	6	routing	route	VERB
ajst-234	122	7	protocol	protocol	NOUN
ajst-234	122	8	8	8	NUM
ajst-234	122	9	.	.	PUNCT
ajst-234	123	1	clustered	clustered	ADJ
ajst-234	123	2	routing	routing	NOUN
ajst-234	123	3	clustering	clustering	ADJ
ajst-234	123	4	routing	routing	NOUN
ajst-234	123	5	is	be	AUX
ajst-234	123	6	mainly	mainly	ADV
ajst-234	123	7	by	by	ADP
ajst-234	123	8	dividing	divide	VERB
ajst-234	123	9	sensor	sensor	NOUN
ajst-234	123	10	network	network	NOUN
ajst-234	123	11	nodes	node	NOUN
ajst-234	123	12	into	into	ADP
ajst-234	123	13	clusters	cluster	NOUN
ajst-234	123	14	in	in	ADP
ajst-234	123	15	some	some	DET
ajst-234	123	16	way	way	NOUN
ajst-234	123	17	.	.	PUNCT
ajst-234	124	1	each	each	DET
ajst-234	124	2	cluster	cluster	NOUN
ajst-234	124	3	selects	select	VERB
ajst-234	124	4	a	a	DET
ajst-234	124	5	cluster	cluster	NOUN
ajst-234	124	6	head	head	NOUN
ajst-234	124	7	,	,	PUNCT
ajst-234	124	8	and	and	CCONJ
ajst-234	124	9	the	the	DET
ajst-234	124	10	cluster	cluster	NOUN
ajst-234	124	11	head	head	NOUN
ajst-234	124	12	collects	collect	VERB
ajst-234	124	13	the	the	DET
ajst-234	124	14	information	information	NOUN
ajst-234	124	15	of	of	ADP
ajst-234	124	16	other	other	ADJ
ajst-234	124	17	ordinary	ordinary	ADJ
ajst-234	124	18	nodes	node	NOUN
ajst-234	124	19	in	in	ADP
ajst-234	124	20	each	each	DET
ajst-234	124	21	cluster	cluster	NOUN
ajst-234	124	22	.	.	PUNCT
ajst-234	125	1	after	after	SCONJ
ajst-234	125	2	the	the	DET
ajst-234	125	3	cluster	cluster	NOUN
ajst-234	125	4	head	head	NOUN
ajst-234	125	5	collects	collect	VERB
ajst-234	125	6	the	the	DET
ajst-234	125	7	processing	processing	NOUN
ajst-234	125	8	information	information	NOUN
ajst-234	125	9	,	,	PUNCT
ajst-234	125	10	it	it	PRON
ajst-234	125	11	forwards	forward	VERB
ajst-234	125	12	it	it	PRON
ajst-234	125	13	to	to	ADP
ajst-234	125	14	the	the	DET
ajst-234	125	15	next	next	ADJ
ajst-234	125	16	hop	hop	NOUN
ajst-234	125	17	node	node	NOUN
ajst-234	125	18	or	or	CCONJ
ajst-234	125	19	sink	sink	NOUN
ajst-234	125	20	node	node	NOUN
ajst-234	125	21	.	.	PUNCT
ajst-234	126	1	the	the	DET
ajst-234	126	2	biggest	big	ADJ
ajst-234	126	3	advantage	advantage	NOUN
ajst-234	126	4	of	of	ADP
ajst-234	126	5	clustering	clustering	ADJ
ajst-234	126	6	routing	routing	NOUN
ajst-234	126	7	is	be	AUX
ajst-234	126	8	that	that	SCONJ
ajst-234	126	9	it	it	PRON
ajst-234	126	10	can	can	AUX
ajst-234	126	11	save	save	VERB
ajst-234	126	12	the	the	DET
ajst-234	126	13	energy	energy	NOUN
ajst-234	126	14	information	information	NOUN
ajst-234	126	15	of	of	ADP
ajst-234	126	16	non	non	ADJ
ajst-234	126	17	-	-	ADJ
ajst-234	126	18	cluster	cluster	ADJ
ajst-234	126	19	head	head	NOUN
ajst-234	126	20	nodes	nod	VERB
ajst-234	126	21	to	to	ADP
ajst-234	126	22	a	a	DET
ajst-234	126	23	great	great	ADJ
ajst-234	126	24	extent	extent	NOUN
ajst-234	126	25	.	.	PUNCT
ajst-234	127	1	thus	thus	ADV
ajst-234	127	2	,	,	PUNCT
ajst-234	127	3	the	the	DET
ajst-234	127	4	lifetime	lifetime	NOUN
ajst-234	127	5	of	of	ADP
ajst-234	127	6	the	the	DET
ajst-234	127	7	whole	whole	ADJ
ajst-234	127	8	network	network	NOUN
ajst-234	127	9	can	can	AUX
ajst-234	127	10	be	be	AUX
ajst-234	127	11	prolonged	prolong	VERB
ajst-234	127	12	.	.	PUNCT
ajst-234	128	1	the	the	DET
ajst-234	128	2	cluster	cluster	NOUN
ajst-234	128	3	head	head	NOUN
ajst-234	128	4	acts	act	VERB
ajst-234	128	5	as	as	ADP
ajst-234	128	6	a	a	DET
ajst-234	128	7	gateway	gateway	NOUN
ajst-234	128	8	for	for	ADP
ajst-234	128	9	communication	communication	NOUN
ajst-234	128	10	between	between	ADP
ajst-234	128	11	clusters	cluster	NOUN
ajst-234	128	12	and	and	CCONJ
ajst-234	128	13	receiver	receiver	NOUN
ajst-234	128	14	nodes	node	NOUN
ajst-234	128	15	.	.	PUNCT
ajst-234	129	1	[	[	X
ajst-234	129	2	219	219	NUM
ajst-234	129	3	]	]	PUNCT
ajst-234	129	4	introduces	introduce	VERB
ajst-234	129	5	a	a	DET
ajst-234	129	6	location	location	NOUN
ajst-234	129	7	-	-	PUNCT
ajst-234	129	8	based	base	VERB
ajst-234	129	9	routing	routing	NOUN
ajst-234	129	10	protocol	protocol	NOUN
ajst-234	129	11	,	,	PUNCT
ajst-234	129	12	which	which	PRON
ajst-234	129	13	divides	divide	VERB
ajst-234	129	14	the	the	DET
ajst-234	129	15	network	network	NOUN
ajst-234	129	16	into	into	ADP
ajst-234	129	17	multiple	multiple	ADJ
ajst-234	129	18	clusters	cluster	NOUN
ajst-234	129	19	,	,	PUNCT
ajst-234	129	20	and	and	CCONJ
ajst-234	129	21	the	the	DET
ajst-234	129	22	data	datum	NOUN
ajst-234	129	23	from	from	ADP
ajst-234	129	24	the	the	DET
ajst-234	129	25	nodes	node	NOUN
ajst-234	129	26	is	be	AUX
ajst-234	129	27	collected	collect	VERB
ajst-234	129	28	by	by	ADP
ajst-234	129	29	the	the	DET
ajst-234	129	30	cluster	cluster	NOUN
ajst-234	129	31	head	head	NOUN
ajst-234	129	32	.	.	PUNCT
ajst-234	130	1	the	the	DET
ajst-234	130	2	cluster	cluster	NOUN
ajst-234	130	3	head	head	NOUN
ajst-234	130	4	acts	act	VERB
ajst-234	130	5	as	as	ADP
ajst-234	130	6	a	a	DET
ajst-234	130	7	gateway	gateway	NOUN
ajst-234	130	8	for	for	ADP
ajst-234	130	9	communication	communication	NOUN
ajst-234	130	10	between	between	ADP
ajst-234	130	11	clusters	cluster	NOUN
ajst-234	130	12	and	and	CCONJ
ajst-234	130	13	receiver	receiver	NOUN
ajst-234	130	14	nodes	node	NOUN
ajst-234	130	15	.	.	PUNCT
ajst-234	131	1	[	[	X
ajst-234	131	2	219	219	NUM
ajst-234	131	3	]	]	PUNCT
ajst-234	131	4	introduces	introduce	VERB
ajst-234	131	5	a	a	DET
ajst-234	131	6	location	location	NOUN
ajst-234	131	7	-	-	PUNCT
ajst-234	131	8	based	base	VERB
ajst-234	131	9	routing	routing	NOUN
ajst-234	131	10	protocol	protocol	NOUN
ajst-234	131	11	,	,	PUNCT
ajst-234	131	12	which	which	PRON
ajst-234	131	13	divides	divide	VERB
ajst-234	131	14	the	the	DET
ajst-234	131	15	network	network	NOUN
ajst-234	131	16	into	into	ADP
ajst-234	131	17	multiple	multiple	ADJ
ajst-234	131	18	clusters	cluster	NOUN
ajst-234	131	19	,	,	PUNCT
ajst-234	131	20	and	and	CCONJ
ajst-234	131	21	the	the	DET
ajst-234	131	22	data	datum	NOUN
ajst-234	131	23	from	from	ADP
ajst-234	131	24	the	the	DET
ajst-234	131	25	nodes	node	NOUN
ajst-234	131	26	is	be	AUX
ajst-234	131	27	collected	collect	VERB
ajst-234	131	28	by	by	ADP
ajst-234	131	29	the	the	DET
ajst-234	131	30	cluster	cluster	NOUN
ajst-234	131	31	head	head	NOUN
ajst-234	131	32	.	.	PUNCT
ajst-234	132	1	the	the	DET
ajst-234	132	2	network	network	NOUN
ajst-234	132	3	model	model	NOUN
ajst-234	132	4	is	be	AUX
ajst-234	132	5	shown	show	VERB
ajst-234	132	6	in	in	ADP
ajst-234	132	7	figure	figure	NOUN
ajst-234	132	8	10	10	NUM
ajst-234	132	9	.	.	PUNCT
ajst-234	133	1	figure	figure	NOUN
ajst-234	133	2	10	10	NUM
ajst-234	133	3	.	.	PUNCT
ajst-234	134	1	network	network	NOUN
ajst-234	134	2	model	model	NOUN
ajst-234	134	3	of	of	ADP
ajst-234	134	4	clustering	clustering	ADJ
ajst-234	134	5	routing	routing	NOUN
ajst-234	134	6	protocol	protocol	NOUN
ajst-234	134	7	4	4	NUM
ajst-234	134	8	.	.	PUNCT
ajst-234	135	1	result	result	VERB
ajst-234	135	2	underwater	underwater	ADJ
ajst-234	135	3	wireless	wireless	ADJ
ajst-234	135	4	optical	optical	ADJ
ajst-234	135	5	sensor	sensor	NOUN
ajst-234	135	6	networks	network	NOUN
ajst-234	135	7	have	have	VERB
ajst-234	135	8	many	many	ADJ
ajst-234	135	9	advantages	advantage	NOUN
ajst-234	135	10	over	over	ADP
ajst-234	135	11	underwater	underwater	ADJ
ajst-234	135	12	acoustic	acoustic	ADJ
ajst-234	135	13	networks	network	NOUN
ajst-234	135	14	.	.	PUNCT
ajst-234	136	1	such	such	ADJ
ajst-234	136	2	as	as	ADP
ajst-234	136	3	fast	fast	ADJ
ajst-234	136	4	transmission	transmission	NOUN
ajst-234	136	5	rate	rate	NOUN
ajst-234	136	6	,	,	PUNCT
ajst-234	136	7	large	large	ADJ
ajst-234	136	8	bandwidth	bandwidth	NOUN
ajst-234	136	9	,	,	PUNCT
ajst-234	136	10	low	low	ADJ
ajst-234	136	11	cost	cost	NOUN
ajst-234	136	12	,	,	PUNCT
ajst-234	136	13	low	low	ADJ
ajst-234	136	14	delay	delay	NOUN
ajst-234	136	15	and	and	CCONJ
ajst-234	136	16	so	so	ADV
ajst-234	136	17	on	on	ADV
ajst-234	136	18	.	.	PUNCT
ajst-234	137	1	but	but	CCONJ
ajst-234	137	2	its	its	PRON
ajst-234	137	3	transmission	transmission	NOUN
ajst-234	137	4	environment	environment	NOUN
ajst-234	137	5	is	be	AUX
ajst-234	137	6	a	a	DET
ajst-234	137	7	little	little	ADV
ajst-234	137	8	more	more	ADV
ajst-234	137	9	harsh	harsh	ADJ
ajst-234	137	10	.	.	PUNCT
ajst-234	138	1	and	and	CCONJ
ajst-234	138	2	underwater	underwater	ADJ
ajst-234	138	3	acoustic	acoustic	ADJ
ajst-234	138	4	network	network	NOUN
ajst-234	138	5	technology	technology	NOUN
ajst-234	138	6	is	be	AUX
ajst-234	138	7	relatively	relatively	ADV
ajst-234	138	8	mature	mature	ADJ
ajst-234	138	9	,	,	PUNCT
ajst-234	138	10	while	while	SCONJ
ajst-234	138	11	underwater	underwater	ADJ
ajst-234	138	12	wireless	wireless	ADJ
ajst-234	138	13	network	network	NOUN
ajst-234	138	14	routing	routing	NOUN
ajst-234	138	15	strategies	strategy	NOUN
ajst-234	138	16	10	10	NUM
ajst-234	138	17	are	be	AUX
ajst-234	138	18	still	still	ADV
ajst-234	138	19	few	few	ADJ
ajst-234	138	20	.	.	PUNCT
ajst-234	139	1	we	we	PRON
ajst-234	139	2	can	can	AUX
ajst-234	139	3	combine	combine	VERB
ajst-234	139	4	some	some	DET
ajst-234	139	5	characteristics	characteristic	NOUN
ajst-234	139	6	of	of	ADP
ajst-234	139	7	visible	visible	ADJ
ajst-234	139	8	light	light	NOUN
ajst-234	139	9	and	and	CCONJ
ajst-234	139	10	propose	propose	VERB
ajst-234	139	11	more	more	ADJ
ajst-234	139	12	routing	routing	NOUN
ajst-234	139	13	solutions	solution	NOUN
ajst-234	139	14	for	for	ADP
ajst-234	139	15	underwater	underwater	ADJ
ajst-234	139	16	wireless	wireless	ADJ
ajst-234	139	17	optical	optical	ADJ
ajst-234	139	18	networks	network	NOUN
ajst-234	139	19	according	accord	VERB
ajst-234	139	20	to	to	ADP
ajst-234	139	21	the	the	DET
ajst-234	139	22	enlightenment	enlightenment	NOUN
ajst-234	139	23	of	of	ADP
ajst-234	139	24	underwater	underwater	ADJ
ajst-234	139	25	acoustic	acoustic	ADJ
ajst-234	139	26	networks	network	NOUN
ajst-234	139	27	.	.	PUNCT
ajst-234	140	1	even	even	ADV
ajst-234	140	2	in	in	ADP
ajst-234	140	3	some	some	DET
ajst-234	140	4	large	large	ADJ
ajst-234	140	5	networks	network	NOUN
ajst-234	140	6	,	,	PUNCT
ajst-234	140	7	due	due	ADP
ajst-234	140	8	to	to	ADP
ajst-234	140	9	the	the	DET
ajst-234	140	10	influence	influence	NOUN
ajst-234	140	11	of	of	ADP
ajst-234	140	12	terrain	terrain	NOUN
ajst-234	140	13	factors	factor	NOUN
ajst-234	140	14	and	and	CCONJ
ajst-234	140	15	node	node	ADJ
ajst-234	140	16	energy	energy	NOUN
ajst-234	140	17	factors	factor	NOUN
ajst-234	140	18	,	,	PUNCT
ajst-234	140	19	we	we	PRON
ajst-234	140	20	can	can	AUX
ajst-234	140	21	combine	combine	VERB
ajst-234	140	22	the	the	DET
ajst-234	140	23	two	two	NUM
ajst-234	140	24	communication	communication	NOUN
ajst-234	140	25	modes	mode	NOUN
ajst-234	140	26	.	.	PUNCT
ajst-234	141	1	references	reference	NOUN
ajst-234	141	2	[	[	X
ajst-234	141	3	1	1	X
ajst-234	141	4	]	]	X
ajst-234	142	1	lv	lv	AUX
ajst-234	142	2	hongxing	hongxe	VERB
ajst-234	142	3	it	it	PRON
ajst-234	142	4	is	be	AUX
ajst-234	142	5	imperative	imperative	ADJ
ajst-234	142	6	to	to	PART
ajst-234	142	7	vigorously	vigorously	ADV
ajst-234	142	8	develop	develop	VERB
ajst-234	142	9	marine	marine	ADJ
ajst-234	142	10	strategic	strategic	ADJ
ajst-234	142	11	industries	industry	NOUN
ajst-234	142	12	[	[	X
ajst-234	142	13	n	n	CCONJ
ajst-234	142	14	]	]	X
ajst-234	142	15	china	china	PROPN
ajst-234	142	16	economic	economic	PROPN
ajst-234	142	17	times	times	PROPN
ajst-234	142	18	,	,	PUNCT
ajst-234	142	19	october	october	PROPN
ajst-234	142	20	25	25	NUM
ajst-234	142	21	,	,	PUNCT
ajst-234	142	22	2019	2019	NUM
ajst-234	142	23	[	[	X
ajst-234	142	24	2	2	NUM
ajst-234	142	25	]	]	X
ajst-234	142	26	national	national	ADJ
ajst-234	142	27	development	development	NOUN
ajst-234	142	28	and	and	CCONJ
ajst-234	142	29	reform	reform	PROPN
ajst-234	142	30	commission	commission	PROPN
ajst-234	142	31	,	,	PUNCT
ajst-234	142	32	ministry	ministry	PROPN
ajst-234	142	33	of	of	ADP
ajst-234	142	34	natural	natural	ADJ
ajst-234	142	35	resources	resource	NOUN
ajst-234	142	36	china	china	PROPN
ajst-234	142	37	's	's	PART
ajst-234	142	38	marine	marine	ADJ
ajst-234	142	39	economic	economic	ADJ
ajst-234	142	40	development	development	NOUN
ajst-234	142	41	report	report	NOUN
ajst-234	142	42	[	[	X
ajst-234	142	43	2019	2019	NUM
ajst-234	142	44	]	]	PUNCT
ajst-234	142	45	shenzhen	shenzhen	PROPN
ajst-234	142	46	:	:	PUNCT
ajst-234	142	47	china	china	PROPN
ajst-234	142	48	marine	marine	PROPN
ajst-234	142	49	economic	economic	PROPN
ajst-234	142	50	expo	expo	PROPN
ajst-234	142	51	,	,	PUNCT
ajst-234	142	52	october	october	PROPN
ajst-234	142	53	17	17	NUM
ajst-234	142	54	,	,	PUNCT
ajst-234	142	55	2019	2019	NUM
ajst-234	142	56	[	[	X
ajst-234	142	57	3	3	NUM
ajst-234	142	58	]	]	X
ajst-234	142	59	guo	guo	PROPN
ajst-234	142	60	zhongwen	zhongwen	PROPN
ajst-234	142	61	,	,	PUNCT
ajst-234	142	62	luo	luo	PROPN
ajst-234	142	63	hanjiang	hanjiang	PROPN
ajst-234	142	64	,	,	PUNCT
ajst-234	142	65	hong	hong	PROPN
ajst-234	142	66	feng	feng	PROPN
ajst-234	142	67	,	,	PUNCT
ajst-234	142	68	et	et	PROPN
ajst-234	142	69	al	al	PROPN
ajst-234	142	70	research	research	NOUN
ajst-234	142	71	progress	progress	NOUN
ajst-234	142	72	of	of	ADP
ajst-234	142	73	underwater	underwater	ADJ
ajst-234	142	74	wireless	wireless	ADJ
ajst-234	142	75	sensor	sensor	NOUN
ajst-234	142	76	networks	network	NOUN
ajst-234	142	77	[	[	X
ajst-234	142	78	j	j	X
ajst-234	142	79	]	]	X
ajst-234	142	80	computer	computer	NOUN
ajst-234	142	81	research	research	NOUN
ajst-234	142	82	and	and	CCONJ
ajst-234	142	83	development	development	NOUN
ajst-234	142	84	,	,	PUNCT
ajst-234	142	85	2010	2010	NUM
ajst-234	142	86	,	,	PUNCT
ajst-234	142	87	47	47	NUM
ajst-234	142	88	(	(	PUNCT
ajst-234	142	89	3	3	NUM
ajst-234	142	90	):	):	PUNCT
ajst-234	142	91	377	377	NUM
ajst-234	142	92	-	-	PUNCT
ajst-234	142	93	389b	389b	NOUN
ajst-234	142	94	.	.	PUNCT
ajst-234	143	1	truax	truax	PROPN
ajst-234	143	2	.	.	PUNCT
ajst-234	144	1	acoustic	acoustic	PROPN
ajst-234	144	2	communication[m	communication[m	PROPN
ajst-234	144	3	]	]	PUNCT
ajst-234	144	4	.	.	PUNCT
ajst-234	145	1	westport	westport	PROPN
ajst-234	145	2	,	,	PUNCT
ajst-234	145	3	ct	ct	PROPN
ajst-234	145	4	,	,	PUNCT
ajst-234	145	5	usa	usa	PROPN
ajst-234	145	6	:	:	PUNCT
ajst-234	145	7	ablex	ablex	PROPN
ajst-234	145	8	,	,	PUNCT
ajst-234	145	9	2001	2001	NUM
ajst-234	145	10	[	[	X
ajst-234	145	11	4	4	X
ajst-234	145	12	]	]	X
ajst-234	145	13	zeng	zeng	PROPN
ajst-234	145	14	z	z	PROPN
ajst-234	145	15	,	,	PUNCT
ajst-234	145	16	fu	fu	PROPN
ajst-234	145	17	s	s	PROPN
ajst-234	145	18	,	,	PUNCT
ajst-234	145	19	zhang	zhang	PROPN
ajst-234	145	20	h	h	PROPN
ajst-234	145	21	,	,	PUNCT
ajst-234	145	22	et	et	PROPN
ajst-234	145	23	al	al	PROPN
ajst-234	145	24	.	.	PUNCT
ajst-234	146	1	a	a	DET
ajst-234	146	2	survey	survey	NOUN
ajst-234	146	3	of	of	ADP
ajst-234	146	4	underwater	underwater	ADJ
ajst-234	146	5	optical	optical	ADJ
ajst-234	146	6	wireless	wireless	ADJ
ajst-234	146	7	communications[j].ieee	communications[j].ieee	NOUN
ajst-234	146	8	communications	communication	NOUN
ajst-234	146	9	surveys	survey	NOUN
ajst-234	146	10	and	and	CCONJ
ajst-234	146	11	tutorials	tutorial	NOUN
ajst-234	146	12	,	,	PUNCT
ajst-234	146	13	2017	2017	NUM
ajst-234	146	14	,	,	PUNCT
ajst-234	146	15	19(1	19(1	NUM
ajst-234	146	16	):	):	PUNCT
ajst-234	146	17	204	204	NUM
ajst-234	146	18	-	-	SYM
ajst-234	146	19	238	238	NUM
ajst-234	146	20	[	[	X
ajst-234	146	21	5	5	NUM
ajst-234	146	22	]	]	PUNCT
ajst-234	146	23	a.	a.	NOUN
ajst-234	146	24	celik	celik	PROPN
ajst-234	146	25	,	,	PUNCT
ajst-234	146	26	n.	n.	PROPN
ajst-234	146	27	saeed	saeed	PROPN
ajst-234	146	28	,	,	PUNCT
ajst-234	146	29	t.	t.	PROPN
ajst-234	146	30	y.	y.	PROPN
ajst-234	146	31	al	al	PROPN
ajst-234	146	32	-	-	PUNCT
ajst-234	146	33	naffouri	naffouri	PROPN
ajst-234	146	34	,	,	PUNCT
ajst-234	146	35	m.-s	m.-	NOUN
ajst-234	146	36	.	.	PUNCT
ajst-234	147	1	alouini	alouini	PROPN
ajst-234	147	2	,	,	PUNCT
ajst-234	147	3	modeling	modeling	NOUN
ajst-234	147	4	and	and	CCONJ
ajst-234	147	5	performance	performance	NOUN
ajst-234	147	6	analysis	analysis	NOUN
ajst-234	147	7	of	of	ADP
ajst-234	147	8	multihop	multihop	NOUN
ajst-234	147	9	underwater	underwater	ADJ
ajst-234	147	10	optical	optical	ADJ
ajst-234	147	11	wireless	wireless	ADJ
ajst-234	147	12	sensor	sensor	NOUN
ajst-234	147	13	networks	network	NOUN
ajst-234	147	14	,	,	PUNCT
ajst-234	147	15	in	in	ADP
ajst-234	147	16	:	:	PUNCT
ajst-234	147	17	ieee	ieee	PROPN
ajst-234	147	18	wireless	wireless	PROPN
ajst-234	147	19	commun	commun	PROPN
ajst-234	147	20	.	.	PUNCT
ajst-234	148	1	and	and	CCONJ
ajst-234	149	1	netw	netw	NOUN
ajst-234	149	2	.	.	PUNCT
ajst-234	149	3	conf	conf	PROPN
ajst-234	149	4	.	.	PROPN
ajst-234	149	5	,	,	PUNCT
ajst-234	149	6	(	(	PUNCT
ajst-234	149	7	wcnc	wcnc	ADJ
ajst-234	149	8	)	)	PUNCT
ajst-234	149	9	,	,	PUNCT
ajst-234	149	10	2018	2018	NUM
ajst-234	149	11	,	,	PUNCT
ajst-234	149	12	pp	pp	ADJ
ajst-234	149	13	.	.	PUNCT
ajst-234	150	1	1–6	1–6	X
ajst-234	150	2	.	.	PUNCT
ajst-234	151	1	[	[	X
ajst-234	151	2	6	6	NUM
ajst-234	151	3	]	]	PUNCT
ajst-234	151	4	a.	a.	NOUN
ajst-234	151	5	celik	celik	PROPN
ajst-234	151	6	,	,	PUNCT
ajst-234	151	7	n.	n.	PROPN
ajst-234	151	8	saeed	saeed	PROPN
ajst-234	151	9	,	,	PUNCT
ajst-234	151	10	b.	b.	PROPN
ajst-234	151	11	shihada	shihada	PROPN
ajst-234	151	12	,	,	PUNCT
ajst-234	151	13	t.y	t.y	PROPN
ajst-234	151	14	.	.	PUNCT
ajst-234	151	15	al	al	PROPN
ajst-234	151	16	-	-	PUNCT
ajst-234	151	17	naffouri	naffouri	PROPN
ajst-234	151	18	,	,	PUNCT
ajst-234	151	19	m.-s	m.-	NOUN
ajst-234	151	20	.	.	PUNCT
ajst-234	152	1	alouini	alouini	PROPN
ajst-234	152	2	,	,	PUNCT
ajst-234	152	3	end	end	NOUN
ajst-234	152	4	-	-	PUNCT
ajst-234	152	5	to	to	ADP
ajst-234	152	6	-	-	PUNCT
ajst-234	152	7	end	end	NOUN
ajst-234	152	8	performance	performance	NOUN
ajst-234	152	9	analysis	analysis	NOUN
ajst-234	152	10	of	of	ADP
ajst-234	152	11	underwater	underwater	ADJ
ajst-234	152	12	optical	optical	ADJ
ajst-234	152	13	wireless	wireless	NOUN
ajst-234	152	14	relaying	relaying	NOUN
ajst-234	152	15	and	and	CCONJ
ajst-234	152	16	routing	route	VERB
ajst-234	152	17	techniques	technique	NOUN
ajst-234	152	18	under	under	ADP
ajst-234	152	19	location	location	NOUN
ajst-234	152	20	uncertainty	uncertainty	NOUN
ajst-234	152	21	,	,	PUNCT
ajst-234	152	22	arxiv:1901.09357(2019	arxiv:1901.09357(2019	PROPN
ajst-234	152	23	)	)	PUNCT
ajst-234	152	24	.	.	PUNCT
ajst-234	153	1	[	[	X
ajst-234	153	2	7	7	X
ajst-234	153	3	]	]	X
ajst-234	153	4	r.	r.	PROPN
ajst-234	153	5	alghamdi	alghamdi	PROPN
ajst-234	153	6	,	,	PUNCT
ajst-234	153	7	n.	n.	PROPN
ajst-234	153	8	saeed	saeed	PROPN
ajst-234	153	9	,	,	PUNCT
ajst-234	153	10	h.	h.	PROPN
ajst-234	153	11	dahrouj	dahrouj	PROPN
ajst-234	153	12	,	,	PUNCT
ajst-234	153	13	t.y	t.y	PROPN
ajst-234	153	14	.	.	PUNCT
ajst-234	153	15	al	al	PROPN
ajst-234	153	16	-	-	PUNCT
ajst-234	153	17	naffouri	naffouri	PROPN
ajst-234	153	18	,	,	PUNCT
ajst-234	153	19	m.	m.	NOUN
ajst-234	153	20	alouini	alouini	NOUN
ajst-234	153	21	,	,	PUNCT
ajst-234	153	22	on	on	ADP
ajst-234	153	23	distributed	distributed	ADJ
ajst-234	153	24	routing	routing	NOUN
ajst-234	153	25	in	in	ADP
ajst-234	153	26	underwater	underwater	ADJ
ajst-234	153	27	optical	optical	ADJ
ajst-234	153	28	wireless	wireless	ADJ
ajst-234	153	29	sensor	sensor	NOUN
ajst-234	153	30	networks	network	NOUN
ajst-234	153	31	,	,	PUNCT
ajst-234	153	32	corr	corr	NOUN
ajst-234	153	33	abs/1811.05308	abs/1811.05308	PROPN
ajst-234	153	34	(	(	PUNCT
ajst-234	153	35	2018	2018	NUM
ajst-234	153	36	)	)	PUNCT
ajst-234	153	37	.	.	PUNCT
ajst-234	154	1	[	[	X
ajst-234	154	2	8	8	NUM
ajst-234	154	3	]	]	X
ajst-234	154	4	y.	y.	PROPN
ajst-234	154	5	wei	wei	PROPN
ajst-234	154	6	,	,	PUNCT
ajst-234	154	7	d.s	d.s	PROPN
ajst-234	154	8	.	.	PROPN
ajst-234	154	9	kim	kim	PROPN
ajst-234	154	10	,	,	PUNCT
ajst-234	154	11	reliable	reliable	ADJ
ajst-234	154	12	and	and	CCONJ
ajst-234	154	13	energy	energy	NOUN
ajst-234	154	14	-	-	PUNCT
ajst-234	154	15	efficient	efficient	ADJ
ajst-234	154	16	routing	routing	NOUN
ajst-234	154	17	protocol	protocol	NOUN
ajst-234	154	18	for	for	ADP
ajst-234	154	19	underwater	underwater	ADJ
ajst-234	154	20	acoustic	acoustic	ADJ
ajst-234	154	21	sensor	sensor	NOUN
ajst-234	154	22	networks	network	NOUN
ajst-234	154	23	,	,	PUNCT
ajst-234	154	24	in	in	ADP
ajst-234	154	25	:	:	PUNCT
ajst-234	154	26	int	int	NOUN
ajst-234	154	27	.	.	PUNCT
ajst-234	154	28	conf	conf	PROPN
ajst-234	154	29	.	.	PUNCT
ajst-234	155	1	on	on	ADP
ajst-234	155	2	info	info	NOUN
ajst-234	155	3	.	.	PUNCT
ajst-234	156	1	and	and	CCONJ
ajst-234	156	2	commun	commun	PROPN
ajst-234	156	3	.	.	PUNCT
ajst-234	157	1	technol	technol	PROPN
ajst-234	157	2	.	.	PUNCT
ajst-234	157	3	conv	conv	PROPN
ajst-234	157	4	.	.	PROPN
ajst-234	157	5	,	,	PUNCT
ajst-234	157	6	(	(	PUNCT
ajst-234	157	7	ictc	ictc	NOUN
ajst-234	157	8	)	)	PUNCT
ajst-234	157	9	,	,	PUNCT
ajst-234	157	10	2014	2014	NUM
ajst-234	157	11	,	,	PUNCT
ajst-234	157	12	pp	pp	ADJ
ajst-234	157	13	.	.	PUNCT
ajst-234	158	1	738	738	NUM
ajst-234	158	2	–	–	PUNCT
ajst-234	158	3	743	743	NUM
ajst-234	158	4	.	.	PUNCT
ajst-234	159	1	[	[	X
ajst-234	159	2	9	9	NUM
ajst-234	159	3	]	]	PUNCT
ajst-234	159	4	e.	e.	PROPN
ajst-234	159	5	kim	kim	PROPN
ajst-234	159	6	,	,	PUNCT
ajst-234	159	7	j.	j.	PROPN
ajst-234	159	8	kang	kang	PROPN
ajst-234	159	9	,	,	PUNCT
ajst-234	159	10	p.k	p.k	PROPN
ajst-234	159	11	.	.	PROPN
ajst-234	159	12	chong	chong	PROPN
ajst-234	159	13	,	,	PUNCT
ajst-234	159	14	s.	s.	PROPN
ajst-234	159	15	yoo	yoo	PROPN
ajst-234	159	16	,	,	PUNCT
ajst-234	159	17	d.	d.	PROPN
ajst-234	159	18	kim	kim	PROPN
ajst-234	159	19	,	,	PUNCT
ajst-234	159	20	energy	energy	NOUN
ajst-234	159	21	efficient	efficient	ADJ
ajst-234	159	22	local	local	ADJ
ajst-234	159	23	area	area	NOUN
ajst-234	159	24	source	source	NOUN
ajst-234	159	25	routing	routing	NOUN
ajst-234	159	26	protocol	protocol	NOUN
ajst-234	159	27	of	of	ADP
ajst-234	159	28	underwater	underwater	ADJ
ajst-234	159	29	sensor	sensor	NOUN
ajst-234	159	30	networks	network	NOUN
ajst-234	159	31	in	in	ADP
ajst-234	159	32	the	the	DET
ajst-234	159	33	deep	deep	ADJ
ajst-234	159	34	ocean	ocean	NOUN
ajst-234	159	35	,	,	PUNCT
ajst-234	159	36	in	in	ADP
ajst-234	159	37	:	:	PUNCT
ajst-234	159	38	int	int	NOUN
ajst-234	159	39	.	.	PUNCT
ajst-234	160	1	symp	symp	PROPN
ajst-234	160	2	.	.	PUNCT
ajst-234	161	1	on	on	ADP
ajst-234	161	2	commun	commun	PROPN
ajst-234	161	3	.	.	PUNCT
ajst-234	162	1	and	and	CCONJ
ajst-234	162	2	info	info	NOUN
ajst-234	162	3	.	.	PUNCT
ajst-234	163	1	technol	technol	PROPN
ajst-234	163	2	.	.	PROPN
ajst-234	163	3	,	,	PUNCT
ajst-234	163	4	2007	2007	NUM
ajst-234	163	5	,	,	PUNCT
ajst-234	163	6	pp	pp	ADJ
ajst-234	163	7	.	.	PUNCT
ajst-234	164	1	948–953	948–953	NUM
ajst-234	164	2	.	.	PUNCT
ajst-234	165	1	[	[	X
ajst-234	165	2	10	10	NUM
ajst-234	165	3	]	]	X
ajst-234	165	4	y.d	y.d	PROPN
ajst-234	165	5	.	.	PUNCT
ajst-234	165	6	chen	chen	PROPN
ajst-234	165	7	,	,	PUNCT
ajst-234	165	8	y.w	y.w	PROPN
ajst-234	165	9	.	.	PROPN
ajst-234	165	10	chen	chen	PROPN
ajst-234	165	11	,	,	PUNCT
ajst-234	165	12	c.y	c.y	PROPN
ajst-234	165	13	.	.	PROPN
ajst-234	165	14	lien	lien	PROPN
ajst-234	165	15	,	,	PUNCT
ajst-234	165	16	k.p	k.p	PROPN
ajst-234	165	17	.	.	PROPN
ajst-234	165	18	shih	shih	PROPN
ajst-234	165	19	,	,	PUNCT
ajst-234	165	20	a	a	DET
ajst-234	165	21	channel	channel	NOUN
ajst-234	165	22	-	-	PUNCT
ajst-234	165	23	aware	aware	ADJ
ajst-234	165	24	depth	depth	NOUN
ajst-234	165	25	-	-	PUNCT
ajst-234	165	26	adaptive	adaptive	ADJ
ajst-234	165	27	routing	routing	NOUN
ajst-234	165	28	protocol	protocol	NOUN
ajst-234	165	29	for	for	ADP
ajst-234	165	30	underwater	underwater	ADJ
ajst-234	165	31	acoustic	acoustic	ADJ
ajst-234	165	32	sensor	sensor	NOUN
ajst-234	165	33	networks	network	NOUN
ajst-234	165	34	,	,	PUNCT
ajst-234	165	35	in	in	ADP
ajst-234	165	36	:	:	PUNCT
ajst-234	165	37	oceans	ocean	NOUN
ajst-234	165	38	,	,	PUNCT
ajst-234	165	39	2014	2014	NUM
ajst-234	165	40	,	,	PUNCT
ajst-234	165	41	pp	pp	ADV
ajst-234	165	42	.	.	PUNCT
ajst-234	166	1	1–6	1–6	X
ajst-234	166	2	.	.	PUNCT
ajst-234	167	1	[	[	X
ajst-234	167	2	11	11	NUM
ajst-234	167	3	]	]	X
ajst-234	167	4	d.	d.	PROPN
ajst-234	167	5	pompili	pompili	PROPN
ajst-234	167	6	,	,	PUNCT
ajst-234	167	7	t.	t.	PROPN
ajst-234	167	8	melodia	melodia	PROPN
ajst-234	167	9	,	,	PUNCT
ajst-234	167	10	i.f	i.f	PROPN
ajst-234	167	11	.	.	PROPN
ajst-234	167	12	akyildiz	akyildiz	PROPN
ajst-234	167	13	,	,	PUNCT
ajst-234	167	14	routing	route	VERB
ajst-234	167	15	algorithms	algorithm	NOUN
ajst-234	167	16	for	for	ADP
ajst-234	167	17	delay	delay	NOUN
ajst-234	167	18	-	-	PUNCT
ajst-234	167	19	insensitive	insensitive	ADJ
ajst-234	167	20	and	and	CCONJ
ajst-234	167	21	delay	delay	NOUN
ajst-234	167	22	-	-	PUNCT
ajst-234	167	23	sensitive	sensitive	ADJ
ajst-234	167	24	applications	application	NOUN
ajst-234	167	25	in	in	ADP
ajst-234	167	26	underwater	underwater	ADJ
ajst-234	167	27	sensor	sensor	NOUN
ajst-234	167	28	networks	network	NOUN
ajst-234	167	29	,	,	PUNCT
ajst-234	167	30	in	in	ADP
ajst-234	167	31	:	:	PUNCT
ajst-234	167	32	proc	proc	NOUN
ajst-234	167	33	.	.	PUNCT
ajst-234	167	34	of	of	ADP
ajst-234	167	35	the	the	DET
ajst-234	167	36	12th	12th	ADJ
ajst-234	167	37	annual	annual	ADJ
ajst-234	167	38	int	int	NOUN
ajst-234	167	39	.	.	PUNCT
ajst-234	167	40	conf	conf	PROPN
ajst-234	167	41	.	.	PUNCT
ajst-234	168	1	on	on	ADP
ajst-234	168	2	mobile	mobile	ADJ
ajst-234	168	3	computing	computing	NOUN
ajst-234	168	4	and	and	CCONJ
ajst-234	168	5	netw	netw	NOUN
ajst-234	168	6	.	.	PUNCT
ajst-234	168	7	,	,	PUNCT
ajst-234	168	8	2006	2006	NUM
ajst-234	168	9	,	,	PUNCT
ajst-234	168	10	pp	pp	ADV
ajst-234	168	11	.	.	PUNCT
ajst-234	169	1	298–309	298–309	NUM
ajst-234	169	2	.	.	PUNCT
ajst-234	170	1	[	[	X
ajst-234	170	2	12	12	NUM
ajst-234	170	3	]	]	PUNCT
ajst-234	170	4	z.	z.	PROPN
ajst-234	170	5	zhou	zhou	PROPN
ajst-234	170	6	,	,	PUNCT
ajst-234	170	7	z.	z.	PROPN
ajst-234	170	8	peng	peng	PROPN
ajst-234	170	9	,	,	PUNCT
ajst-234	170	10	j.h	j.h	PROPN
ajst-234	170	11	.	.	PROPN
ajst-234	170	12	cui	cui	PROPN
ajst-234	170	13	,	,	PUNCT
ajst-234	170	14	z.	z.	PROPN
ajst-234	170	15	shi	shi	PROPN
ajst-234	170	16	,	,	PUNCT
ajst-234	170	17	efficient	efficient	ADJ
ajst-234	170	18	multipath	multipath	NOUN
ajst-234	170	19	communication	communication	NOUN
ajst-234	170	20	for	for	ADP
ajst-234	170	21	time	time	NOUN
ajst-234	170	22	–	–	PUNCT
ajst-234	170	23	critical	critical	ADJ
ajst-234	170	24	applications	application	NOUN
ajst-234	170	25	in	in	ADP
ajst-234	170	26	underwater	underwater	ADJ
ajst-234	170	27	acoustic	acoustic	ADJ
ajst-234	170	28	sensor	sensor	NOUN
ajst-234	170	29	networks	network	NOUN
ajst-234	170	30	,	,	PUNCT
ajst-234	170	31	ieee	ieee	PROPN
ajst-234	170	32	/	/	SYM
ajst-234	170	33	acm	acm	PROPN
ajst-234	170	34	trans	trans	PROPN
ajst-234	170	35	.	.	PUNCT
ajst-234	171	1	netw	netw	NOUN
ajst-234	171	2	.	.	PUNCT
ajst-234	172	1	19	19	NUM
ajst-234	172	2	(	(	PUNCT
ajst-234	172	3	1	1	NUM
ajst-234	172	4	)	)	PUNCT
ajst-234	172	5	(	(	PUNCT
ajst-234	172	6	2011	2011	NUM
ajst-234	172	7	)	)	PUNCT
ajst-234	172	8	28–41	28–41	NUM
ajst-234	172	9	.	.	PUNCT
ajst-234	173	1	[	[	X
ajst-234	173	2	13	13	NUM
ajst-234	173	3	]	]	PUNCT
ajst-234	173	4	j.	j.	PROPN
ajst-234	173	5	xu	xu	PROPN
ajst-234	173	6	,	,	PUNCT
ajst-234	173	7	k.	k.	PROPN
ajst-234	173	8	li	li	PROPN
ajst-234	173	9	,	,	PUNCT
ajst-234	173	10	g.	g.	PROPN
ajst-234	173	11	min	min	PROPN
ajst-234	173	12	,	,	PUNCT
ajst-234	173	13	reliable	reliable	ADJ
ajst-234	173	14	and	and	CCONJ
ajst-234	173	15	energy	energy	NOUN
ajst-234	173	16	-	-	PUNCT
ajst-234	173	17	efficient	efficient	ADJ
ajst-234	173	18	multipath	multipath	NOUN
ajst-234	173	19	communications	communication	NOUN
ajst-234	173	20	in	in	ADP
ajst-234	173	21	underwater	underwater	ADJ
ajst-234	173	22	sensor	sensor	NOUN
ajst-234	173	23	networks	network	NOUN
ajst-234	173	24	,	,	PUNCT
ajst-234	173	25	ieee	ieee	NOUN
ajst-234	173	26	trans	tran	NOUN
ajst-234	173	27	.	.	PUNCT
ajst-234	174	1	parallel	parallel	ADJ
ajst-234	174	2	distrib	distrib	PROPN
ajst-234	174	3	.	.	PUNCT
ajst-234	175	1	syst	syst	PROPN
ajst-234	175	2	.	.	PUNCT
ajst-234	176	1	23	23	NUM
ajst-234	176	2	(	(	PUNCT
ajst-234	176	3	7	7	NUM
ajst-234	176	4	)	)	PUNCT
ajst-234	176	5	(	(	PUNCT
ajst-234	176	6	2012	2012	NUM
ajst-234	176	7	)	)	PUNCT
ajst-234	176	8	1326–1335	1326–1335	NUM
ajst-234	176	9	.	.	PUNCT
ajst-234	177	1	[	[	X
ajst-234	177	2	14	14	NUM
ajst-234	177	3	]	]	X
ajst-234	177	4	k.r	k.r	PROPN
ajst-234	177	5	.	.	PROPN
ajst-234	177	6	anupama	anupama	PROPN
ajst-234	177	7	,	,	PUNCT
ajst-234	177	8	a.	a.	NOUN
ajst-234	177	9	sasidharan	sasidharan	PROPN
ajst-234	177	10	,	,	PUNCT
ajst-234	177	11	s.	s.	PROPN
ajst-234	177	12	vadlamani	vadlamani	PROPN
ajst-234	177	13	,	,	PUNCT
ajst-234	177	14	a	a	DET
ajst-234	177	15	location	location	NOUN
ajst-234	177	16	-	-	PUNCT
ajst-234	177	17	based	base	VERB
ajst-234	177	18	clustering	clustering	ADJ
ajst-234	177	19	algorithm	algorithm	NOUN
ajst-234	177	20	for	for	ADP
ajst-234	177	21	data	datum	NOUN
ajst-234	177	22	gathering	gathering	NOUN
ajst-234	177	23	in	in	ADP
ajst-234	177	24	3d	3d	NUM
ajst-234	177	25	underwater	underwater	ADJ
ajst-234	177	26	wireless	wireless	ADJ
ajst-234	177	27	sensor	sensor	NOUN
ajst-234	177	28	networks	network	NOUN
ajst-234	177	29	,	,	PUNCT
ajst-234	177	30	in	in	ADP
ajst-234	177	31	:	:	PUNCT
ajst-234	177	32	int	int	NOUN
ajst-234	177	33	.	.	PUNCT
ajst-234	178	1	symp	symp	PROPN
ajst-234	178	2	.	.	PUNCT
ajst-234	179	1	on	on	ADP
ajst-234	179	2	telecommun	telecommun	PROPN
ajst-234	179	3	.	.	PROPN
ajst-234	179	4	,	,	PUNCT
ajst-234	179	5	2008	2008	NUM
ajst-234	179	6	,	,	PUNCT
ajst-234	179	7	pp	pp	ADJ
ajst-234	179	8	.	.	PUNCT
ajst-234	180	1	343–348	343–348	NUM
ajst-234	180	2	.	.	PUNCT