IEEE Communications Letters
IEEE Communications Letters > 2006 > 10 > 2 > 76 - 78
IEEE Communications Letters > 2006 > 10 > 6 > 456 - 458
IEEE Communications Letters > 2006 > 10 > 8 > 588 - 590
IEEE Communications Letters > 2006 > 10 > 11 > 763 - 765
IEEE Communications Letters > 2006 > 10 > 12 > 816 - 818