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IEEE Transactions on Wireless Communications > 2014 > 13 > 12 > 6756 - 6767
IEEE Transactions on Communications > 2009 > 57 > 5 > 1474 - 1485
IEEE Transactions on Communications > 2008 > 56 > 7 > 1047 - 1055
IEEE Signal Processing Letters > 2007 > 14 > 9 > 637 - 640