A novel energy fairness mechanism based on relay selection for cooperative MAC protocol

Authors:
Hongtao Zhang;Qihong Yu;Bo Wang
Affiliations:
School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China;School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China;Network Optimization Department, Beijing Branch, China Mobile Communications Corporation
Venue:
WiCOM'09 Proceedings of the 5th International Conference on Wireless communications, networking and mobile computing
Year:
2009

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Abstract

In this paper, we propose a novel energy fairness mechanism based on relay selection for cooperative MAC protocol. By changing the method of cooperation nodes selection, a round robin scheme is adopted to choose a relay node from all qualified nodes. The new mechanism improves the fairness of energy consumption of cooperation nodes, and studies the tradeoff between fairness of energy consumption and throughput performance. Theory analysis and simulation results prove that the proposed energy fairness mechanism can average the nodes energy consumption relatively and extend the system survival time with maintaining a certain system throughput.