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Design of MMSE filterbank precoder and equalizer for MIMO frequency selective channels

krishna, Vijaya A and Hari, KVS (2006) Design of MMSE filterbank precoder and equalizer for MIMO frequency selective channels. In: Proceedings of European signal processing conference (EUSIPCO), , September 2006, Florence, Italy.

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Abstract

In this paper, we consider the problem of designing minimum mean squared error (MMSE) filterbank precoder and equalizer for multiple input multiple output (MIMO) frequency selective channels. We derive the conditions to be satisfied by the optimal precoder-equalizer pair, and provide an iterative algorithm for solving them. The optimal design is very general, in that it is not constrained by channel dimensions, channel order, channel rank, or the input constellation. We also discuss some pertinent difierences between the filterbank approach and the space-time approach to the design of optimal precoder and equalizer. Simulation results demonstrate that the proposed design performs better than the space-time systems while supporting a higher data rate.

Item Type: Conference Paper
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 10 Nov 2011 04:45
Last Modified: 10 Nov 2011 04:45
URI: http://eprints.iisc.ernet.in/id/eprint/42019

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