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Turbo Detection of Symbol-Based Non-Binary LDPC-Coded Space-time Signals using Sphere Packing Modulation

Alamri, O.R., Guo, F., Jiang, M. and Hanzo, L. (2005) Turbo Detection of Symbol-Based Non-Binary LDPC-Coded Space-time Signals using Sphere Packing Modulation At IEEE VTC'05 (Fall), United States. 25 - 28 Sep 2005. , pp. 540-544.

Record type: Conference or Workshop Item (Paper)

Abstract

A recently proposed space-time signal construction method that combines orthogonal design with sphere packing, referred to here as (STBC-SP), has shown useful performance improvements over Alamouti’s conventional orthogonal design. As a further advance, non-binary LDPC codes have been capable of attaining substantial performance improvements over their binary counterparts. In this paper, we demonstrate that the performance of STBC-SP systems can be further improved by concatenating sphere packing aided modulation with non-binary LDPC codes and performing symbolbased turbo detection. We present simulation results for the proposed scheme communicating over a correlated Rayleigh fading channel. At a BER of 10?6, the proposed symbolbased turbo-detected STBC-SP scheme was capable of achieving a coding gain of approximately 26.6dB over the identical throughput 1 bit/symbol uncoded STBC-SP benchmarker scheme. The proposed scheme also achieved a coding gain of approximately 3dB at a BER of 10?6 over a recently proposed bit-based turbo-detected STBC-SP benchmarker scheme.

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More information

Published date: 2005
Additional Information: Event Dates: 25-28 September 2005
Venue - Dates: IEEE VTC'05 (Fall), United States, 2005-09-25 - 2005-09-28
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 261676
URI: http://eprints.soton.ac.uk/id/eprint/261676
PURE UUID: 093820ff-96fb-49c6-8768-d660aaa0ced6

Catalogue record

Date deposited: 15 Dec 2005
Last modified: 18 Jul 2017 09:00

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Contributors

Author: O.R. Alamri
Author: F. Guo
Author: M. Jiang
Author: L. Hanzo

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