Sphere-Packing Modulated Space-Time Coding Using Non-Binary LDPC-Coded Iterative-Detection
Sphere-Packing Modulated Space-Time Coding Using Non-Binary LDPC-Coded Iterative-Detection
A recently proposed Space-Time Block Coding (STBC) 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. In this contribution, we propose a purely symbol-based LDPC-coded scheme, demonstrating that the performance of STBC-SP systems can be further improved by concatenating sphere packing aided modulation with non-binary LDPC and by performing symbol-based turbo detection between the non-binary LDPC decoder and a rate-1 non-binary inner precoder. We also investigate the convergence behaviour of this symbolbased concatenated scheme with the aid of novel nonbinary Extrinsic Information Transfer (EXIT) charts. Finally, we demonstrate that in the investigated scenarios it requires 1-2dB lower power in comparison to equivalent effective throughput 0.5, 0.75 and 1 bit/symbol systems employing bit-based turbo detection.
106-111
Alamri, Osamah
292e7399-6cdb-4eb6-b0f4-51f738ea04c1
Ng, Soon
e19a63b0-0f12-4591-ab5f-554820d5f78c
Guo, Feng
fa0bfec2-e595-4fab-8958-efeb6a631622
Zummo, S
f7ecd482-11a1-45ec-b28e-16155c9d57e2
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1
April 2008
Alamri, Osamah
292e7399-6cdb-4eb6-b0f4-51f738ea04c1
Ng, Soon
e19a63b0-0f12-4591-ab5f-554820d5f78c
Guo, Feng
fa0bfec2-e595-4fab-8958-efeb6a631622
Zummo, S
f7ecd482-11a1-45ec-b28e-16155c9d57e2
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1
Alamri, Osamah, Ng, Soon, Guo, Feng, Zummo, S and Hanzo, Lajos
(2008)
Sphere-Packing Modulated Space-Time Coding Using Non-Binary LDPC-Coded Iterative-Detection.
IEEE WCNC'08, Las Vegas, Nevada, United States.
30 Mar - 02 Apr 2008.
.
Record type:
Conference or Workshop Item
(Paper)
Abstract
A recently proposed Space-Time Block Coding (STBC) 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. In this contribution, we propose a purely symbol-based LDPC-coded scheme, demonstrating that the performance of STBC-SP systems can be further improved by concatenating sphere packing aided modulation with non-binary LDPC and by performing symbol-based turbo detection between the non-binary LDPC decoder and a rate-1 non-binary inner precoder. We also investigate the convergence behaviour of this symbolbased concatenated scheme with the aid of novel nonbinary Extrinsic Information Transfer (EXIT) charts. Finally, we demonstrate that in the investigated scenarios it requires 1-2dB lower power in comparison to equivalent effective throughput 0.5, 0.75 and 1 bit/symbol systems employing bit-based turbo detection.
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More information
Published date: April 2008
Additional Information:
Event Dates: 31 March - 3 April 2008
Venue - Dates:
IEEE WCNC'08, Las Vegas, Nevada, United States, 2008-03-30 - 2008-04-02
Organisations:
Southampton Wireless Group
Identifiers
Local EPrints ID: 265397
URI: http://eprints.soton.ac.uk/id/eprint/265397
PURE UUID: d5850b1c-ccb0-44cb-b824-c617e20df870
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Date deposited: 08 Apr 2008 12:08
Last modified: 07 Oct 2020 05:48
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Contributors
Author:
Osamah Alamri
Author:
Soon Ng
Author:
Feng Guo
Author:
S Zummo
Author:
Lajos Hanzo
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