IEEE Communications Letters
IEEE Communications Letters > 2017 > 21 > 11 > 2364 - 2367
IEEE Communications Letters > 2017 > 21 > 11 > 2356 - 2359
IEEE Communications Letters > 2017 > 21 > 11 > 2364 - 2367
IEEE Communications Letters > 2017 > 21 > 11 > 2356 - 2359