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Comparison of analytic inversion techniques for equalisation of highly frequency-selective MIMO systems

Bale, V. and Weiss, S. (2004) Comparison of analytic inversion techniques for equalisation of highly frequency-selective MIMO systems. In: 2nd International Workshop on Signal Processing for Wireless Communications, 2004-06-02 - 2004-06-04.

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Abstract

This paper discusses MIMO equalisers created by analytic inversion of a known frequency-selective MIMO channel. It considers inversion performed in the $z$-domain, time-domain using convolutional matrices, and the frequency-domain. It explains the criteria of these inversions and compares the performances in terms of MSE between the input and output to a concatenated channel-equaliser system through use of simulations, and puts these results into context in terms of computational cost.