IEEE Transactions on Wireless Communications
IEEE Transactions on Wireless Communications > 2007 > 6 > 12 > 4558 - 4567
IEEE Transactions on Wireless Communications > 2008 > 7 > 11-2 > 4596 - 4607
IEEE Transactions on Wireless Communications > 2009 > 8 > 4 > 2142 - 2149