DS/CDMA linear receiver based on Krylov-proportionate adaptive filtering technique - An extension to complex-valued signals

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

3 Citations (Scopus)

Abstract

This paper presents a novel training-based adaptive linear receiver to suppress the multiple access interference, which has been one of the central issues in DS/CDMA wireless communication systems. The proposed receiver is derived by extending the Krylov-proportionate normalized least-mean-square (KPNLMS) algorithm to complex-valued signals. The key idea of KPNLMS is (a) sparse representation of the minimum mean square error (MMSE) receiver based on a certain Krylov subspace, (b) use of the 'sparsity' for fast convergence, and (c) simplification to keep linear complexity per iteration. To clarify the convergence properties of the proposed receiver, its derivation from the variable-metric version of the adaptive projected subgradient method (V-APSM) is presented. The simulation results demonstrate the efficacy of the proposed receiver.

Original languageEnglish
Title of host publicationProceedings of the 2008 IEEE Workshop on Machine Learning for Signal Processing, MLSP 2008
Pages169-174
Number of pages6
DOIs
Publication statusPublished - 2008
Externally publishedYes
Event2008 IEEE Workshop on Machine Learning for Signal Processing, MLSP 2008 - Cancun, Mexico
Duration: 2008 Oct 162008 Oct 19

Other

Other2008 IEEE Workshop on Machine Learning for Signal Processing, MLSP 2008
CountryMexico
CityCancun
Period08/10/1608/10/19

Fingerprint

Multiple access interference
Adaptive filtering
Mean square error
Code division multiple access
Communication systems

Keywords

  • Adaptive filter
  • CDMA
  • Krylov subspace
  • Linear receiver

ASJC Scopus subject areas

  • Artificial Intelligence
  • Software
  • Electrical and Electronic Engineering

Cite this

Yukawa, M. (2008). DS/CDMA linear receiver based on Krylov-proportionate adaptive filtering technique - An extension to complex-valued signals. In Proceedings of the 2008 IEEE Workshop on Machine Learning for Signal Processing, MLSP 2008 (pp. 169-174). [4685474] https://doi.org/10.1109/MLSP.2008.4685474

DS/CDMA linear receiver based on Krylov-proportionate adaptive filtering technique - An extension to complex-valued signals. / Yukawa, Masahiro.

Proceedings of the 2008 IEEE Workshop on Machine Learning for Signal Processing, MLSP 2008. 2008. p. 169-174 4685474.

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

Yukawa, M 2008, DS/CDMA linear receiver based on Krylov-proportionate adaptive filtering technique - An extension to complex-valued signals. in Proceedings of the 2008 IEEE Workshop on Machine Learning for Signal Processing, MLSP 2008., 4685474, pp. 169-174, 2008 IEEE Workshop on Machine Learning for Signal Processing, MLSP 2008, Cancun, Mexico, 08/10/16. https://doi.org/10.1109/MLSP.2008.4685474
Yukawa M. DS/CDMA linear receiver based on Krylov-proportionate adaptive filtering technique - An extension to complex-valued signals. In Proceedings of the 2008 IEEE Workshop on Machine Learning for Signal Processing, MLSP 2008. 2008. p. 169-174. 4685474 https://doi.org/10.1109/MLSP.2008.4685474
Yukawa, Masahiro. / DS/CDMA linear receiver based on Krylov-proportionate adaptive filtering technique - An extension to complex-valued signals. Proceedings of the 2008 IEEE Workshop on Machine Learning for Signal Processing, MLSP 2008. 2008. pp. 169-174
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