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IEEE Transactions on Communications > 2012 > 60 > 9 > 2444 - 2455
IEEE Transactions on Communications > 2011 > 59 > 5 > 1421 - 1433
IEEE Communications Letters > 2009 > 13 > 12 > 968 - 970
IEEE Transactions on Information Theory > 2008 > 54 > 8 > 3745 - 3751