id	keyword
aiti-13864	subcarrier
aiti-13864	fig
aiti-13864	ecc
aiti-13864	mimo
aiti-13864	ofdm
aiti-13864	bit
aiti-13864	system
aiti-13864	receiver
aiti-13864	vol
aiti-13864	message
aiti-13864	process
aiti-13864	security
aiti-13864	communication
aiti-13864	randomization