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IEEE Communications Letters > 2011 > 15 > 4 > 440 - 442
IEEE Transactions on Information Theory > 2011 > 57 > 5 > 2913 - 2940
IEEE Communications Letters > 2011 > 15 > 4 > 440 - 442
IEEE Transactions on Information Theory > 2011 > 57 > 5 > 2913 - 2940