Quasi-orthogonal space-time block coded transceiver systems over frequency selective wireless fading channels

Document Type

Conference Proceeding

Publication Date

10-7-2004

Abstract

In this work, we propose a new block time-reversal conjugate based quasi-orthogonal space-time block encoding and decoding (QO-STBC) scheme for a wireless system with four transmit antennas in frequency selective fading channels. The proposed scheme effectively combats channel dispersion and frequency selectivity due to multipath, yet still provides full diversity gain. We also proposed a maximum likelihood (ML) solution, with a simple decoupled structure, to decode the block time-reversal conjugate QO-STBC symbols at low complexity for channels with short delay.

Identifier

4644230109 (Scopus)

Publication Title

ICASSP IEEE International Conference on Acoustics Speech and Signal Processing Proceedings

ISSN

15206149

First Page

II321

Last Page

II324

Volume

2

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