naa a22 4500 510795226 CHVBK 20180411083334.0 cr unu---uuuuu 180411e20130301xx s 000 0 eng 10.1007/s11277-012-0610-x doi (NATIONALLICENCE)springer-10.1007/s11277-012-0610-x A Radio Resource Management Framework for Multi-User Multi-Cell OFDMA Networks Based on Game Theory [Elektronische Daten] [Ioannis Stiakogiannakis, Dimitra Kaklamani] This work proposes a radio resource management framework employing game theoretic concepts for orthogonal frequency division multiple access, the most prevalent multiple access technique for the next generation wireless networks. The subcarrier allocation problem is encountered as a combinatorial auction, where the base station auctions the subcarriers and the users bid for and buy bundles of subcarriers, aiming at minimising their required transmit power. Subsequently, each allocated subcarrier is loaded with a number of bits, decided by each user independently, and the power control process is set up as a non-cooperative game. Each user responds to the interference sensed in his environment and, through a best responses process, the game converges to the unique, Pareto optimal, Nash equilibrium. In order to guarantee convergence, a limit is imposed to the maximum modulation level for each subcarrier. Simulation results show that the auction algorithm follows closely the performance of the optimal algorithm, whereas it is of lower computational complexity and requires less feedback information. Similarly, the proposed distributed bit loading and power control scheme achieves lower transmit power per offered bit rate unit. However, the distributed nature of the algorithm results in lower total offered bit rate, because of the partial knowledge and exploitation of channel state information. Springer Science+Business Media, LLC., 2012 OFDMA nationallicence Radio resource management nationallicence Margin adaptive nationallicence Subcarrier allocation nationallicence Power control nationallicence Game theory nationallicence Combinatorial auctions nationallicence Stiakogiannakis Ioannis School of Electrical and Computer Engineering, National Technical University of Athens, Athens, Greece aut Kaklamani Dimitra School of Electrical and Computer Engineering, National Technical University of Athens, Athens, Greece aut Wireless Personal Communications Springer US; http://www.springer-ny.com 69/2(2013-03-01), 745-770 0929-6212 69:2<745 2013 69 11277 https://doi.org/10.1007/s11277-012-0610-x text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11277-012-0610-x text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Stiakogiannakis Ioannis School of Electrical and Computer Engineering, National Technical University of Athens, Athens, Greece aut NATIONALLICENCE 700 1- Kaklamani Dimitra School of Electrical and Computer Engineering, National Technical University of Athens, Athens, Greece aut NATIONALLICENCE 773 0- Wireless Personal Communications Springer US; http://www.springer-ny.com 69/2(2013-03-01), 745-770 0929-6212 69:2<745 2013 69 11277 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer