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Analysis of cooperative MIMO networks with incomplete channel state information

机译:具有不完整信道状态信息的协作MIMO网络分析

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Coordinating the reception and transmission of signals across spatially distributed base stations has been shown to improve sum-rate performance by mitigating the effects of intercell interference in Multiple-Input-Multiple-Output (MIMO) cellular networks. Relying on recent results on the freeness of certain non-Gaussian random matrices, we provide an information theoretic analysis of cooperative MIMO networks. This analysis applies to the case where full channel state information is known at a subset of the bases and where statistical information is known at all others. Tools for evaluating random matrix transforms traditionally exploited in Mean Square Error (MSE) and mutual information analysis are provided, and the general model formulation paves the way for future work, where specific scheduling and/or power assignment schemes could be embodied in the newly presented framework.
机译:通过减轻多输入多输出(MIMO)蜂窝网络中小区间干扰的影响,已证明在空间分布的基站之间协调信号的接收和传输可提高总速率性能。依靠最近关于某些非高斯随机矩阵的自由度的结果,我们提供了协作MIMO网络的信息理论分析。此分析适用于以下情况:其中在一个子集处知道了完整的通道状态信息,而在所有其他情况下都知道了统计信息。提供了用于评估传统上在均方误差(MSE)和互信息分析中利用的随机矩阵变换的工具,并且通用模型公式化为将来的工作铺平了道路,其中可以在新提出的方案中体现特定的调度和/或功率分配方案框架。

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