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H. Ahmadi-received-his and M. Sc, He was with the R&D department of Zarrin Afzar electric company He is currently a research fellow at CTVR, the telecommunications research center, Trinity College Dublin. His research interest includes Machine learning, game theory, Cognitive Radio, dynamic spectrum allocation, radio resource allocation, small-cell and self-organizing networks, 2008, and Ph.D. in electrical engineering from National University of Singapore, 2004.