半相关平坦衰落MIMO系统的容量

IEEE Trans. Inf. Theory Pub Date : 2003-10-01 DOI:10.1109/TIT.2003.817472

Peter J. Smith, Sumit Roy, M. Shafi

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引用次数: 210

摘要

这项工作的主要贡献在于推导了半相关平坦衰落信道的多输入多输出(MIMO)系统容量的确切特征函数(以及平均值和方差)。提出了一个精确容量结果的高斯近似，并对其精度进行了评估。我们表明，在相关水平的范围内，即使对于中等数量的发射和接收天线，这种近似也是足够的。

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Capacity of MIMO systems with semicorrelated flat fading

The primary contribution of this work lies in the derivation of the exact characteristic function (and hence, the mean and variance) of the capacity of multiple-input multiple-output (MIMO) systems for semicorrelated flat-fading channels. A Gaussian approximation to the exact capacity results is suggested and evaluated for its accuracy. We show that over a range of correlation levels this approximation is adequate even for moderate numbers of transmit and receive antennas.

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IEEE Trans. Inf. Theory

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