On The Finite-Snr Diversity-Multiplexing Tradeoff In Large Rayleigh Product Channels
2015 IEEE International Symposium on Information Theory (ISIT)(2015)
摘要
The Diversity-Multiplexing Tradeoff (DMT) is studied for the large Rayleigh product channel at non-asymptotic SNRs. The first result is that, as matrix dimensions growing to infinity, the channel capacity converges to a Gaussian random variable. Based on this, we derive a compact expression for the finite-SNR DMT. From the analytical and numerical results, we gain useful insight into the fundamental tradeoff of the considered channel model in the realistic SNR regime.
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关键词
finite SNR diversity-multiplexing tradeoff,large Rayleigh product channels,nonasymptotic signal-to-noise ratio,Gaussian random variable
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