IEEE Communications Letters
IEEE Communications Letters > 2006 > 10 > 11 > 757 - 759
IEEE Communications Letters > 2006 > 10 > 11 > 787 - 789
IEEE Communications Letters > 2006 > 10 > 12 > 813 - 815
IEEE Communications Letters > 2006 > 10 > 11 > 757 - 759
IEEE Communications Letters > 2006 > 10 > 11 > 787 - 789
IEEE Communications Letters > 2006 > 10 > 12 > 813 - 815