Ram Prasad Paudel

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In multiple input multiple output (MIMO) fading environment, the so called degenerate channels or keyholes may exist that exhibit low partial fading correlation at both ends of the link but still have poor rank properties, and hence low ergodic capacity. We analyze the performance of dirty-paper coding over MIMO keyhole channels. The keyhole condition,(More)
The Hadamard Matrices are widely used in communication systems, data compression, error control coding, cryptography, linear filtering and spectral analysis. Such a popularity of Hadamard matrices is explained by their simplicity and efficiency in a variety of concrete practical realizations. In this paper we consider a family {H_m}, m =1,2,.., of(More)
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