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IEEE Communications Letters > 2010 > 14 > 8 > 704 - 706
IEEE Transactions on Communications > 2010 > 58 > 1 > 228 - 234
IEEE Communications Magazine > 2009 > 47 > 6 > 56 - 66
IEEE Transactions on Parallel and Distributed Systems > 2009 > 20 > 11 > 1641 - 1652