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 symbol-based 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.
31 Mar - 03 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 symbol-based 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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Published date: April 2008
Additional Information:
Event Dates: 31 March - 3 April 2008
Venue - Dates:
IEEE WCNC'08, Las Vegas, Nevada, United States, 2008-03-31 - 2008-04-03
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: 18 Mar 2024 02:48
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Contributors
Author:
Osamah Alamri
Author:
Soon Ng
Author:
Feng Guo
Author:
S Zummo
Author:
Lajos Hanzo
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