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首页> 外文期刊>IEEE Transactions on Information Theory >Capacity of multiple-transmit multiple-receive antenna architectures
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Capacity of multiple-transmit multiple-receive antenna architectures

机译：多发射多接收天线架构的容量

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摘要

The capacity of wireless communication architectures equipped with multiple transmit and receive antennas and impaired by both noise and cochannel interference is studied. We find a closed-form solution for the capacity in the limit of a large number of antennas. This asymptotic solution, which is a sole function of the relative number of transmit and receive antennas and the signal-to-noise and signal-to-interference ratios (SNR and SIR), is then particularized to a number of cases of interest. By verifying that antenna diversity one can substitute for time and/or frequency diversity at providing ergodicity, we show that these asymptotic solutions approximate the ergodic capacity very closely even when the number of antennas is very small.
机译：研究了配备有多个发射和接收天线并且受到噪声和同信道干扰两者损害的无线通信体系结构的容量。我们找到了在天线数量有限的情况下容量的封闭形式解决方案。然后，这种渐近解是发射和接收天线的相对数量以及信噪比和信噪比（SNR和SIR）的唯一函数，然后将其具体化为许多感兴趣的情况。通过验证在提供遍历性时天线分集可以代替时间和/或频率分集，我们证明了即使在天线数量很小的情况下，这些渐近解也非常接近于遍历容量。

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