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Mobile Information Systems
Volume 2016 (2016), Article ID 3798523, 17 pages
Research Article

Playing Radio Resource Management Games in Dense Wireless 5G Networks

The Chair of Wireless Communications, Poznan University of Technology, Poznan, Poland

Received 1 August 2016; Revised 3 October 2016; Accepted 1 November 2016

Academic Editor: Ioannis Moscholios

Copyright © 2016 Paweł Sroka and Adrian Kliks. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


This paper considers the problem of an efficient and flexible tool for interference mitigation in ultradense heterogeneous cellular 5G networks. Several game-theory based approaches are studied, focusing on noncooperative games, where each base station in the end tries to maximize its payoff. An analysis of backhaul requirements of investigated approaches is carried out, with a proposal of a mechanism for backhaul requirements reduction. Moreover, improvements in terms of energy use optimization are proposed to further increase the system gains. The presented simulation results of a detailed ultradense 5G wireless system show that the discussed game-theoretic approaches are very promising solutions for interference mitigation outperforming the algorithm proposed for LTE-Advanced in terms of the achieved spectral efficiency. Finally, it is proved that the introduction of energy-efficient and backhaul-optimized operation does not significantly degrade the performance achieved with the considered approaches.