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Delay-Limited Cooperative Communication With Reliability Constraints in Wireless Networks

机译:无线网络中具有可靠性约束的时延有限协作通信

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摘要

We investigate optimal resource allocation for delay-limited cooperative communication in time varying wireless networks. Motivated by real-time applications that have stringent delay constraints, we develop a dynamic cooperation strategy that makes optimal use of network resources to achieve a target outage probability (reliability) for each user subject to average power constraints. Using the technique of Lyapunov optimization, we first present a general framework to solve this problem and then derive quasi-closed form solutions for several cooperative protocols proposed in the literature. Unlike earlier works, our scheme does not require prior knowledge of the statistical description of the packet arrival, channel state, and node mobility processes and can be implemented in an online fashion.
机译:我们研究时变无线网络中延迟受限的协作通信的最佳资源分配。受具有严格延迟限制的实时应用程序的激励,我们开发了一种动态协作策略,该策略可以最佳利用网络资源来为受平均功率约束的每个用户实现目标中断概率(可靠性)。利用李雅普诺夫优化技术,我们首先提出一个通用的框架来解决这个问题,然后针对文献中提出的几种合作协议推导拟封闭形式的解决方案。与早期的工作不同,我们的方案不需要对数据包到达,信道状态和节点移动性过程的统计描述具有先验知识,并且可以在线方式实施。

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