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IEEE Network > 2007 > 21 > 2 > 42 - 48
IEEE Communications Letters > 2007 > 11 > 3 > 285 - 287
Information Sciences > 2001 > 137 > 1-4 > 17-31
IEEE Network > 2007 > 21 > 2 > 42 - 48
IEEE Communications Letters > 2007 > 11 > 3 > 285 - 287
Information Sciences > 2001 > 137 > 1-4 > 17-31