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IEEE Transactions on Communications > 2011 > 59 > 2 > 569 - 577
IEEE Transactions on Multimedia > 2011 > 13 > 1 > 125 - 131
IEEE Transactions on Communications > 2010 > 58 > 3 > 742 - 747
IET Communications > 2010 > 4 > 5 > 606 - 617