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IEEE Communications Letters > 2010 > 14 > 7 > 602 - 604
IEEE Journal of Selected Topics in Signal Processing > 2007 > 1 > 3 > 456 - 469
IEEE Communications Letters > 2010 > 14 > 7 > 602 - 604
IEEE Journal of Selected Topics in Signal Processing > 2007 > 1 > 3 > 456 - 469