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Impact of antenna correlation on the capacity of multiantenna channels

机译:天线相关性对多天线信道容量的影响

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This paper applies random matrix theory to obtain analytical characterizations of the capacity of correlated multiantenna channels. The analysis is not restricted to the popular separable correlation model, but rather it embraces a more general representation that subsumes most of the channel models that have been treated in the literature. For arbitrary signal-to-noise ratios (SNR), the characterization is conducted in the regime of large numbers of antennas. For the low- and high-SNR regions, in turn, we uncover compact capacity expansions that are valid for arbitrary numbers of antennas and that shed insight on how antenna correlation impacts the tradeoffs among power, bandwidth, and rate.
机译:本文应用随机矩阵理论来获得相关多天线信道容量的分析表征。该分析不限于流行的可分离的相关模型,而是包含了一个更一般的表示形式,它包含了文献中已经讨论过的大多数渠道模型。对于任意信噪比(SNR),表征是在大量天线的情况下进行的。反过来,对于低信噪比和高信噪比区域,我们发现紧凑的容量扩展适用于任意数量的天线,并且可以深入了解天线相关性如何影响功率,带宽和速率之间的权衡。

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