IEEE Transactions on Wireless Communications
IEEE Transactions on Wireless Communications > 2007 > 6 > 2 > 609 - 616
IEEE Transactions on Wireless Communications > 2008 > 7 > 12-1 > 4849 - 4853
IEEE Transactions on Wireless Communications > 2009 > 8 > 7 > 3780 - 3788
IEEE Transactions on Wireless Communications > 2011 > 10 > 7 > 2040 - 2045