SER Performance Analysis and Power Allocation for Amplify-and-Forward Relay Networks

被引：8
|
作者：
Wang, Yan [1 ]
Lin, Fei [1 ,2 ]
机构：
[1] Beijing Univ Posts & Telecommun, Sch Econ & Management, Beijing 100876, Peoples R China
[2] Shandong Inst Light Ind, Coll Elect Informat & Control Engn, Jinan 250353, Shandong, Peoples R China
来源：
2007 INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS, NETWORKING AND MOBILE COMPUTING, VOLS 1-15 | 2007年
关键词：
cooperation communication; power allocation; SER;
D O I：
10.1109/WICOM.2007.324
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
In this paper, we analyze the symbol-error-rate (SER) performance for a two-user amplify-and-forward cooperative system. The closed-form SER formulation with PSK signals is derived first, a upper bound is established to show the asymptotic performance of the cooperation protocol which is tight at high signal-to-noise ratio (SNR). Moreover, we develop an optimum power allocation method (OPA) for the cooperative system to minimize the SER. It turns out that this OPA method does not depend on the direct link between source and destination, it depends only on the channel links related to the relay. We also find that the SER performance is better when the relay is near the destination with OPA method.
引用
收藏
页码：1274 / +
页数：2
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