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Iteratively Decoded Variable Length Space-Time Coded Modulation: Code Construction and Convergence Analysis

Ng, S. X., Wang, J., Tao, M., Yang, L.-L. and Hanzo, L., Vitetta, G.(ed.) (2007) Iteratively Decoded Variable Length Space-Time Coded Modulation: Code Construction and Convergence Analysis IEEE Transactions on Wireless Communications, 6, (5), pp. 1953-1963.

Record type: Article

Abstract

An Iteratively Decoded Variable Length Space Time Coded Modulation (VL-STCM-ID) scheme capable of simultaneously providing both coding and iteration gain as well as multiplexing and diversity gain is proposed. Non-binary unity-rate precoders are employed for assisting the iterative decoding of the VL-STCM-ID scheme. The discrete-valued source symbols are first encoded into variable-length codewords that are mapped to the spatial and temporal domains. Then the variable-length codewords are interleaved and fed to the precoder assisted modulator. More explicitly, the proposed VL-STCM-ID arrangement is a jointly designed iteratively decoded scheme combining source coding, channel coding, modulation as well as spatial diversity/multiplexing. As expected, the higher the source correlation, the higher the achievable performance gain of the scheme becomes. Furthermore, the performance of the VLSTCM-ID scheme is about 14.6 dB better than that of the FixedLength STCM (FL-STCM) benchmarker at a source symbol error ratio of 10^{?4}.

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More information

Published date: May 2007
Keywords: EXIT charts, iterative decoding, MIMO, STTC, VLC.
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 264076
URI: http://eprints.soton.ac.uk/id/eprint/264076
PURE UUID: 2cdd72b6-27a0-4608-aace-576fd2790064
ORCID for L.-L. Yang: ORCID iD orcid.org/0000-0002-2032-9327

Catalogue record

Date deposited: 23 May 2007
Last modified: 18 Jul 2017 07:39

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Contributors

Author: S. X. Ng
Author: J. Wang
Author: M. Tao
Author: L.-L. Yang ORCID iD
Author: L. Hanzo
Editor: G. Vitetta

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