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IEEE Transactions on Communications > 2013 > 61 > 11 > 4768 - 4779
IEEE Communications Letters > 2012 > 16 > 11 > 1760 - 1763
IEEE Transactions on Communications > 2012 > 60 > 3 > 840 - 850
IEEE Transactions on Information Theory > 2009 > 55 > 10 > 4386 - 4397