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Least Mean Square Aided Adaptive Detection in Hybrid Direct-Sequence Time-Hopping Ultrawide Bandwidth Systems

Least Mean Square Aided Adaptive Detection in Hybrid Direct-Sequence Time-Hopping Ultrawide Bandwidth Systems
Least Mean Square Aided Adaptive Detection in Hybrid Direct-Sequence Time-Hopping Ultrawide Bandwidth Systems
In this contribution an adaptive detection scheme based on least mean square (LMS) principles is proposed and investigated in the context of the hybrid direct-sequence time-hopping ultrawide bandwidth (DS-TH UWB) systems. The bit-error-rate (BER) performance of the hybrid DS-TH UWB system is investigated when communicating over the UWB channels modelled by the Saleh-Valenzuela (S-V) channel model. Furthermore, since both the pure DS-UWB and pure TH-UWB constitute special examples of the hybrid DS-TH UWB, their BER performance is also investigated in this contribution for the sake of comparison with that of the hybrid DS-TH UWB. Our study and simulation results show that the LMS-aided adaptive detection can be a feasible detection scheme for deployment in practical DS-, TH- or hybrid DS-TH UWB systems. It can be shown that, with the aid of a training sequence of reasonable length, the considered UWB schemes are capable of achieving a BER performance which is close to that achieved by the minimum mean-square error (MMSE) detector with perfect channel knowledge.
Ahmed, Qasim Zeeshan
0b79e440-30ce-41a8-90d3-0afb9ef3d6dc
Liu, Wei
062dd3e4-39b6-45f5-9e48-583a67055830
Yang, Lie-Liang
ae425648-d9a3-4b7d-8abd-b3cfea375bc7
Ahmed, Qasim Zeeshan
0b79e440-30ce-41a8-90d3-0afb9ef3d6dc
Liu, Wei
062dd3e4-39b6-45f5-9e48-583a67055830
Yang, Lie-Liang
ae425648-d9a3-4b7d-8abd-b3cfea375bc7

Ahmed, Qasim Zeeshan, Liu, Wei and Yang, Lie-Liang (2008) Least Mean Square Aided Adaptive Detection in Hybrid Direct-Sequence Time-Hopping Ultrawide Bandwidth Systems. IEEE VTC2008-Spring, Singapore. 11 - 14 May 2008.

Record type: Conference or Workshop Item (Other)

Abstract

In this contribution an adaptive detection scheme based on least mean square (LMS) principles is proposed and investigated in the context of the hybrid direct-sequence time-hopping ultrawide bandwidth (DS-TH UWB) systems. The bit-error-rate (BER) performance of the hybrid DS-TH UWB system is investigated when communicating over the UWB channels modelled by the Saleh-Valenzuela (S-V) channel model. Furthermore, since both the pure DS-UWB and pure TH-UWB constitute special examples of the hybrid DS-TH UWB, their BER performance is also investigated in this contribution for the sake of comparison with that of the hybrid DS-TH UWB. Our study and simulation results show that the LMS-aided adaptive detection can be a feasible detection scheme for deployment in practical DS-, TH- or hybrid DS-TH UWB systems. It can be shown that, with the aid of a training sequence of reasonable length, the considered UWB schemes are capable of achieving a BER performance which is close to that achieved by the minimum mean-square error (MMSE) detector with perfect channel knowledge.

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More information

Published date: May 2008
Additional Information: Event Dates: 11-14 May 2008
Venue - Dates: IEEE VTC2008-Spring, Singapore, 2008-05-11 - 2008-05-14
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 265941
URI: http://eprints.soton.ac.uk/id/eprint/265941
PURE UUID: 64ab099a-f3d4-4b5c-8f89-c38c584dc253
ORCID for Lie-Liang Yang: ORCID iD orcid.org/0000-0002-2032-9327

Catalogue record

Date deposited: 13 Jun 2008 10:35
Last modified: 14 May 2024 01:35

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Contributors

Author: Qasim Zeeshan Ahmed
Author: Wei Liu
Author: Lie-Liang Yang ORCID iD

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