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时延受限多址网络中的非合作功率控制博弈

A Non-Cooperative Power Control Game in Delay-Constrained Multiple-Access Networks

Farhad Meshkati, H. Vincent Poor, Stuart C. Schwartz

摘要:

提出了一种基于博弈论的多址接入网络中传输时延约束下的功率控制方法。一个非合作的功率控制游戏被认为是每个用户寻求选择一个发射功率,最大限度地提高自己的效用,同时满足用户的延迟要求。效用函数测量每焦耳能量传输的可靠比特数,并且用户的延迟约束被建模为延迟中断概率的上界。推导了该博弈的纳什均衡,并证明了其存在唯一性.使用大系统的分析,明确的表达式,在平衡时实现的实用程序得到的匹配滤波器,解相关和最小均方误差多用户检测器。延迟约束对用户效用(比特/焦耳)和网络容量(即,可以支持的最大用户数)被量化。

英文摘要:

A game-theoretic approach for studying power control in multiple-access networks with transmission delay constraints is proposed. A non-cooperative power control game is considered in which each user seeks to choose a transmit power that maximizes its own utility while satisfying the user's delay requirements. The utility function measures the number of reliable bits transmitted per joule of energy and the user's delay constraint is modeled as an upper bound on the delay outage probability. The Nash equilibrium for the proposed game is derived, and its existence and uniqueness are proved. Using a large-system analysis, explicit expressions for the utilities achieved at equilibrium are obtained for the matched filter, decorrelating and minimum mean square error multiuser detectors. The effects of delay constraints on the users' utilities (in bits/Joule) and network capacity (i.e., the maximum number of users that can be supported) are quantified.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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