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IEEE Journal on Selected Areas in Communications > 2013 > 31 > 8 > 1543 - 1558
IEEE Wireless Communications Letters > 2013 > 2 > 3 > 271 - 274
IEEE Communications Surveys & Tutorials > 2013 > 15 > 2 > 592 - 620
2012 16th Panhellenic Conference on Informatics > 416 - 421