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IEEE Communications Letters > 2015 > 19 > 7 > 1197 - 1200
IEEE Wireless Communications Letters > 2012 > 1 > 4 > 272 - 275
IEEE Transactions on Wireless Communications > 2010 > 9 > 2 > 844 - 852
IEEE Transactions on Communications > 2009 > 57 > 11 > 3316 - 3327