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  • 刘 鹏,徐 秀,巩思园,等.基于议价博弈论的无线协作中继网络性能改进算法[J].电讯技术,2012,52(5): - .    [点击复制]
  • LIU Peng,XU Xiu,GONG Si-yuan,et al.Performance improvement algorithms based on bargaining game theory for wireless cooperative relay networks[J].,2012,52(5): - .   [点击复制]
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基于议价博弈论的无线协作中继网络性能改进算法
刘鹏,徐秀,巩思园,丁恩杰
0
(中国矿业大学 感知矿山物联网研究中心,江苏 徐州 221008;中国矿业大学 计算 机科学与技术学院,江苏 徐州 221116;中国矿业大学 煤炭资源与安全开采国家重点 实验室,江苏 徐州 221008)
摘要:
针对自私性无线协作中继(CR)网络中的放大再中继(AF)和解码再中继(DF)协议,分别给出 公平且有效率的协作中继功率分配方案。两种方案虽然具体研究内容有差别,但有着共同 的研究策略。首先,将节点间的协作功率选择问题建模为纳什议价博弈问题(NBP);然后, 通过求取其纳什议价解(NBS)获得协作节点的共赢策略;最后,针对AF和DF协议分别给出计 算机仿真。仿真结果表明,所提出协作中继性能改进算法的效率性体现在所有协作节点在AF 和DF协议中均获得信号接收质量的提高,其公平性则体现在任意节点为其协作伙伴所贡献的 转发功率大小仅取决于对方为其带来的性能增益大小。
关键词:  协作中继  放大再中继  解码再中继  功率分配  博弈论  纳什 议价解
DOI:
基金项目:国家自然科学基金资助项目(60972059);中央高校基本科研业务 费专项资金资助项目(2011QNB26,2010QNB19);江苏高校优势学科建设工程资助项目
Performance improvement algorithms based on bargaining game theory for wireless cooperative relay networks
LIU Peng,XU Xiu,GONG Si-yuan,DING En-jie
()
Abstract:
For amplify-and-forward(AF) and decode-and-forward(DF) protocol in selfish coo perative network s, fair and efficient power allocation schemes are proposed respectively. The tw o schemes adopt the same research methodology as following. First,t his cooperative power allocation problem is formulated as a two-user cooperative game. Then Nash bargaining solution(NBS) is used to achieve a win-win strateg y for both partn er users. Finally, the computer simulation is presented. For both AF and DF prot ocols, simulation results indicate that the NBS is fair in that the degree of co operation of a user only depends on how much contribution its partner can make t o decrease its symbol error rate(SER) at the receiver, and efficient in that the SER performance of both users can be improved through the game.
Key words:  cooperative relay  amplify-and-forward  decode-and-forward  power allocation  ga me theory  Nash bargaining solution
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