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Distributed Resource Allocation through Noncooperative Game Approach in Multi-cell OFDMA Systems

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2 Author(s)
Hojoong Kwon ; School of Electrical Engineering, Seoul National University, Seoul, 151-744, Korea. Email: khj@tsp.snu.ac.kr ; Byeong Gi Lee

In this paper, we present a distributed resource allocation algorithm for multi-cell OFDMA systems by adopting a game theoretic approach. We first define a utility function that can represent the system performance while taking into account the co-channel interference among cells. Then we model resource allocation problem as a noncooperative game. Based on the game, we devise a iterative algorithm called DRA that requires no coordination among the base stations. We prove that there exists a Nash equilibrium for the game and the equilibrium is unique in some constrained environment. The proposed DRA algorithm turns out to converge to the equilibrium within a small number of iterations.

Published in:

Communications, 2006. ICC '06. IEEE International Conference on  (Volume:9 )

Date of Conference:

June 2006

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