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IEEE Communications Letters > 2017 > 21 > 4 > 837 - 840
IEEE Transactions on Consumer Electronics > 2015 > 61 > 4 > 531 - 538
IEEE Communications Surveys & Tutorials > 2014 > 16 > 2 > 1114 - 1134
IEEE Journal on Selected Areas in Communications > 2013 > 31 > 9-supplement > 115 - 131