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《Journal of Beijing University of Posts and Telecommunications》 2009-04
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Relay Selection and Performance Analysis in Systems with Decode-and-Forward Relays

FAN Bin,WANG Wen-bo,LIN Yi-cheng,ZHENG Kan(Key Laboratory of Universal Wireless Communication(Beijing University of Posts and Telecommunications),Ministry of Education,Beijing 100876,China)  
In order to achieve a balance between the system transmit rate and fairness among relays,a load-balance based relay selection scheme is proposed in the systems with multiple decode-and-forward(DF) relays.Moreover,the average transmission rate performance and the relay selection gain of the system are analyzed based on the extreme value theory.It can be seen that the requirements of both transmit rate and fairness can be satisfied with the proposed relay selection scheme.The system can achieve the relay selection gain and average transmission rate logarithmic to the relay node number.
【Fund】: 国家自然科学基金项目(60802082);; 国家科技支撑计划项目(2008BAH30B11)
【CateGory Index】: TN929.53
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