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IEEE Communications Magazine > 2011 > 49 > 4 > 140 - 146
IEEE Transactions on Wireless Communications > 2009 > 8 > 1 > 6 - 12
IEEE Communications Letters > 2008 > 12 > 2 > 124 - 126
IEEE Transactions on Wireless Communications > 2007 > 6 > 10 > 3717 - 3727
IEEE Communications Magazine > 2007 > 45 > 8 > 62 - 70
IEEE Transactions on Wireless Communications > 2007 > 6 > 8 > 3058 - 3068
IEEE Transactions on Antennas and Propagation > 2006 > 54 > 11-1 > 3125 - 3137