Reduced-rank adaptive least bit error-rate detection in hybrid direct-sequence time-hopping ultrawide bandwidth systems

Qasim Zeeshan Ahmed, Lie Liang Yang, Sheng Chen

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this paper we consider the low-complexity detection in hybrid direct-sequence time-hopping ultrawide bandwidth (DS-TH UWB) systems. A reduced-rank adaptive LBER detector is proposed, which is operated in the least bit error-rate (LBER) principles within a detection subspace obtained with the aid of the principal component analysis (PCA)-assisted reduced-rank technique. Our reduced-rank adaptive LBER detector is free from channel estimation and does not require the knowledge about the number of resolvable multipaths as well as that about the multipaths' strength. In this paper 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. Our study and simulation results show that this reduced-rank adaptive LBER detector constitutes a feasible detection scheme for deployment in practical pulse-based UWB systems.

Original languageEnglish
Title of host publicationProceedings - 2009 IEEE International Conference on Communications, ICC 2009
Number of pages5
DOIs
Publication statusPublished - 19 Nov 2009
Externally publishedYes
Event2009 IEEE International Conference on Communications, ICC 2009 - Dresden, Germany
Duration: 14 Jun 200918 Jun 2009

Conference

Conference2009 IEEE International Conference on Communications, ICC 2009
CountryGermany
CityDresden
Period14/06/0918/06/09

Fingerprint

Bit error rate
Bandwidth
Detectors
Ultra-wideband (UWB)
Channel estimation
Principal component analysis

Cite this

Ahmed, Q. Z., Yang, L. L., & Chen, S. (2009). Reduced-rank adaptive least bit error-rate detection in hybrid direct-sequence time-hopping ultrawide bandwidth systems. In Proceedings - 2009 IEEE International Conference on Communications, ICC 2009 [5199402] https://doi.org/10.1109/ICC.2009.5199402
Ahmed, Qasim Zeeshan ; Yang, Lie Liang ; Chen, Sheng. / Reduced-rank adaptive least bit error-rate detection in hybrid direct-sequence time-hopping ultrawide bandwidth systems. Proceedings - 2009 IEEE International Conference on Communications, ICC 2009. 2009.
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Ahmed, QZ, Yang, LL & Chen, S 2009, Reduced-rank adaptive least bit error-rate detection in hybrid direct-sequence time-hopping ultrawide bandwidth systems. in Proceedings - 2009 IEEE International Conference on Communications, ICC 2009., 5199402, 2009 IEEE International Conference on Communications, ICC 2009, Dresden, Germany, 14/06/09. https://doi.org/10.1109/ICC.2009.5199402

Reduced-rank adaptive least bit error-rate detection in hybrid direct-sequence time-hopping ultrawide bandwidth systems. / Ahmed, Qasim Zeeshan; Yang, Lie Liang; Chen, Sheng.

Proceedings - 2009 IEEE International Conference on Communications, ICC 2009. 2009. 5199402.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Ahmed QZ, Yang LL, Chen S. Reduced-rank adaptive least bit error-rate detection in hybrid direct-sequence time-hopping ultrawide bandwidth systems. In Proceedings - 2009 IEEE International Conference on Communications, ICC 2009. 2009. 5199402 https://doi.org/10.1109/ICC.2009.5199402