基于队列博弈的认知无线电网络信道定价与选择优化
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上海大学 通信与信息工程学院上海200072

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TN929.5

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国家自然科学基金(61472234,61271211)资助项目


Queueingbased spectrum pricing and selection in cognitive radio networks
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School of Communication and Information Engineering, Shanghai University, Shanghai 200072,China

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    摘要:

    针对基于排队论的授权用户和认知用户频谱租赁问题,引入了异构认知用户概念,建立了一个双寡头垄断市场模型,提出了在M/M/1排队模式下的两种异构用户共享式的接入机制,并构建了非合作博弈和合作博弈的两种价格博弈模型,理论分析了多类型用户的频谱选择问题,联合定价机制和信道选择优化两方面,实现了频谱出售方的收益最大化和认知用户的代价最小化。认知用户选择模型最终达到了Wardrop均衡,利用凸优化和拉格朗日对偶理论对合作博弈下的优化模型进行了求解,并通过仿真对比了两种博弈模型下优化定价及获得收益的情况。

    Abstract:

    The issue of spectrum leasing between primary and secondary users combining queueing theory have been studied in cognitive radio. The paper formulate a duopoly model based on sharing access mechanism of M/M/1 queueing model. Considering both pricing and heterogeneous secondary users access selection problem, we analyze the spectrum selection strategy for maximizing the revenue of POs and minmizing the cost of users, and the optimal pricing based on noncooperative competition and cooperative game is structured. A unique Wardrop equilibrium is reached by heterogeneous secondary users for this spectrum selection. The convex optimization and the Lagrange dual approach is proposed to solve the optimization of cooperative game. The revenue and pricing strategy for both noncooperative competition and cooperative game are compared via numerical simulations.

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黄丽湾,邹君妮.基于队列博弈的认知无线电网络信道定价与选择优化[J].电子测量技术,2017,40(5):154-158

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  • 在线发布日期: 2017-07-13
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