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Distributed Queue-Aware Relay Node Selection for Cooperative Wireless Networks via Vickrey Auction Game

机译:通过Vickrey拍卖游戏的协作无线网络的分布式队列感知中继节点选择

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摘要

Queue-aware relay selection for the uplink of a user cooperation multiple access wireless network is investigated. To achieve better overall quality-of-service (QoS), the queue states of the relay buffers are considered in the relay selection process. A distributed relay selection mechanism based on a Vickrey auction game is proposed. It is shown that with a strictly positive reserve price, the unique Nash equilibrium of the auction game achieved by a truthful bidding strategy is the best relay response under the queue length constraint. Numerical results show that a significant improvement in QoS provisioning is achieved using the proposed auction-based queue-aware relay selection, compared to fixed relaying and channel-aware relay selection, especially when the relays have high average packet arrival rates. Given a target system packet blocking rate, the proposed scheme helps to better maintain relay buffer queue stability.
机译:研究了用户协作多址无线网络的上行链路的队列感知中继选择。为了获得更好的整体服务质量(QoS),在中继选择过程中考虑中继缓冲区的队列状态。提出了一种基于维克瑞拍卖游戏的分布式中继选择机制。结果表明,在严格正的底价的情况下,通过真实的出价策略实现的拍卖博弈的唯一纳什均衡是在队列长度约束下的最佳中继响应。数值结果表明,与固定中继和信道感知中继选择相比,使用建议的基于拍卖的队列感知中继选择可以显着改善QoS设置,尤其是当中继具有较高的平均数据包到达率时。给定目标系统数据包阻塞率,提出的方案有助于更好地保持中继缓冲区队列的稳定性。

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