IEEE Communications Letters
IEEE Communications Letters > 2012 > 16 > 1 > 16 - 18
IEEE Communications Letters > 2012 > 16 > 7 > 1034 - 1037
IEEE Communications Letters > 2012 > 16 > 1 > 16 - 18
IEEE Communications Letters > 2012 > 16 > 7 > 1034 - 1037