Isolation band based frequency reuse scheme for IEEE 802.16j wireless relay networks

Authors:
Weiwei Wang;Changjia Chen;Zihua Guo;Jun Cai;Xuemin Sherman Shen
Affiliations:
Beijing Jiaotong University, Beijing, China;Beijing Jiaotong University, Beijing, China;Lenovo Cooperate Research, Beijing, China;University of Manitoba, Winnipeg, Manitoba, Canada;University of Waterloo, Waterloo, Ontario, Canada
Venue:
Proceedings of the 5th International ICST Conference on Heterogeneous Networking for Quality, Reliability, Security and Robustness
Year:
2008

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Abstract

In this paper, the throughput performance of the access links (i.e., base station to mobile station and relay station to mobile station) is analyzed for the wireless relay networks based on IEEE 802.16j. An isolation band based frequency reuse scheme (IBFRS) is proposed, which introduces an isolation band around each relay station cluster so that the throughput of the access link can be maximized by allowing frequency reuse between the relay stations and the base station. An analytic method is also proposed to determine the optimal isolation band. A comprehensive simulation shows that by applying the proposed IBFRS, the throughput of the access link can be significantly improved.