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Separation Principles in Wireless Networking

机译:无线网络中的分离原理

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摘要

A general wireless networking problem is formulated whereby end-to-end user rates, routes, link capacities, transmit-power, frequency, and power resources are jointly optimized across fading states. Even though the resultant optimization problem is generally nonconvex, it is proved that the gap with its Lagrange dual problem is zero, so long as the underlying fading distribution function is continuous. The major implication is that separating the design of wireless networks in layers and per-fading state subproblems can be optimal. Subgradient descent algorithms are further developed to effect an optimal separation in layers and layer interfaces.
机译:提出了一个一般的无线联网问题,从而在衰落状态下共同优化了端到端用户速率,路由,链路容量,发射功率,频率和功率资源。即使最终得到的优化问题通常是非凸的,也证明了只要基本衰落分布函数是连续的,带有Lagrange对偶问题的间隙就为零。主要含义是,将无线网络的设计分为分层和逐衰落状态子问题可能是最佳的。进一步开发了次梯度下降算法,以实现层和层界面之间的最佳分离。

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