IEEE Communications Letters
IEEE Communications Letters > 2017 > 21 > 11 > 2504 - 2507
IEEE Communications Letters > 2017 > 21 > 11 > 2340 - 2343
IEEE Communications Letters > 2017 > 21 > 11 > 2504 - 2507
IEEE Communications Letters > 2017 > 21 > 11 > 2340 - 2343