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Wideband Burst-by-Burst Adaptive Modulation Using Reduced-Complexity In-Phase/Quadrature-Phase Turbo Equalization

Wideband Burst-by-Burst Adaptive Modulation Using Reduced-Complexity In-Phase/Quadrature-Phase Turbo Equalization
Wideband Burst-by-Burst Adaptive Modulation Using Reduced-Complexity In-Phase/Quadrature-Phase Turbo Equalization
The performance of burst-by-burst adaptive modulation is studied in conjunction with reduced complexity turbo equalization over a wideband multi-path Rayleigh fading channel. By employing the reduced complexity turbo equalizer, higher-order modulation modes such as 64-level Quadrature Amplitude Modulation (64-QAM) can be invoked, than upon using the conventional turbo equalizer. The structure of the reduced complexity turbo equalizer was also exploited in order to invoke an iterative least mean square channel estimator. Finally, the performance of the adaptive modulation scheme was compared to that of its constituent modulation modes and a signal-to-noise ratio gain of 1.0dB to 1.5dB was recorded for the throughput range of 0.5 to 2.0 bits/symbol.
117-122
Yeap, B L
5deedc18-0e9c-43b9-85d1-4e199830b222
Wong, C H
ddfb452c-0448-447c-a5f8-d076a824c807
Hanzo, L
66e7266f-3066-4fc0-8391-e000acce71a1
Yeap, B L
5deedc18-0e9c-43b9-85d1-4e199830b222
Wong, C H
ddfb452c-0448-447c-a5f8-d076a824c807
Hanzo, L
66e7266f-3066-4fc0-8391-e000acce71a1

Yeap, B L, Wong, C H and Hanzo, L (2002) Wideband Burst-by-Burst Adaptive Modulation Using Reduced-Complexity In-Phase/Quadrature-Phase Turbo Equalization. Proceedings of the 4th ITG Colloquium on Source and Channel Coding. pp. 117-122 .

Record type: Conference or Workshop Item (Paper)

Abstract

The performance of burst-by-burst adaptive modulation is studied in conjunction with reduced complexity turbo equalization over a wideband multi-path Rayleigh fading channel. By employing the reduced complexity turbo equalizer, higher-order modulation modes such as 64-level Quadrature Amplitude Modulation (64-QAM) can be invoked, than upon using the conventional turbo equalizer. The structure of the reduced complexity turbo equalizer was also exploited in order to invoke an iterative least mean square channel estimator. Finally, the performance of the adaptive modulation scheme was compared to that of its constituent modulation modes and a signal-to-noise ratio gain of 1.0dB to 1.5dB was recorded for the throughput range of 0.5 to 2.0 bits/symbol.

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Published date: January 2002
Additional Information: Address: Berlin, Germany
Venue - Dates: Proceedings of the 4th ITG Colloquium on Source and Channel Coding, 2002-01-01
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 256377
URI: http://eprints.soton.ac.uk/id/eprint/256377
PURE UUID: df038cf5-3ec4-433f-a82e-da708fb90f70
ORCID for L Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

Catalogue record

Date deposited: 16 Dec 2003
Last modified: 20 Jul 2019 01:26

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Contributors

Author: B L Yeap
Author: C H Wong
Author: L Hanzo ORCID iD

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