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IEEE Transactions on Information Theory > 2010 > 56 > 1 > 168 - 180
IEEE Transactions on Wireless Communications > 2009 > 8 > 1 > 95 - 101
IEEE Communications Letters > 2008 > 12 > 12 > 868 - 870
IEEE Transactions on Communications > 2008 > 56 > 8 > 1249 - 1257