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Weighted Sum-Rate Maximization in Wireless Networks: A Review

机译:无线网络中的加权和速率最大化:综述

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A wide variety of resource management problems of recent interest, including power/rate control, link scheduling, cross-layer control, network utility maximization, beamformer design of multiple-input multiple-output networks, and many others are directly or indirectly reliant on the weighted sum-rate maximization (WSRMax) problem. In general, this problem is very difficult to solve and is NP-hard. In this review, we provide a cohesive discussion of the existing solution methods associated with the WSRMax problem, including global, fast local, as well as decentralized methods. We also discuss in depth the applications of general optimization techniques, such as branch and bound methods, homotopy methods, complementary geometric programming, primal decomposition methods, subgradient methods, and sequential approximation strategies, in order to develop algorithms for the WSRMax problem. We show, through a number of numerical examples, the applicability of these algorithms in various application domains.
机译:最近引起关注的各种各样的资源管理问题,包括功率/速率控制,链路调度,跨层控制,网络效用最大化,多输入多输出网络的波束形成器设计,以及许多其他直接或间接依赖于网络的问题。加权和率最大化(WSRMax)问题。通常,这个问题很难解决,并且是NP问题。在本文中,我们对与WSRMax问题相关的现有解决方法进行了广泛的讨论,包括全局,快速局部以及分散式方法。我们还深入讨论了一般优化技术的应用,例如分支定界方法,同伦方法,互补几何规划,原始分解方法,次梯度方法和顺序逼近策略,以便为WSRMax问题开发算法。通过大量的数值示例,我们展示了这些算法在各种应用领域中的适用性。

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