MSE and BER performances of LMMN receiver in DS-CDMA over frequency-selective slow rayleigh fading channels

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Abstract

This paper investigates the performance of using the Least-Mean- Mixed-Norm algorithm (LMMN) in the adaptation of asynchronous DS-CDMA slow fading, non-linear receiver. The investigations study the effect of using various mixing parameter (λ) and step-size (μ) on the performance of the proposed algorithm in terms of mean-square error (MSE) and bit-error-rate (BER). Computer simulation results indicate that LMMN with lamda (λ) equals 0.9 and step-size (μ) equals 5×10-3give the best performance. Moreover it is demonstrated that non-linear receivers adapted by the proposed algorithm have faster convergence rate and similar BER performance, in comparison with the NLMS adaptive receiver.

Original languageBritish English
Title of host publication2006 IEEE GCC Conference, GCC 2006
PublisherIEEE Computer Society
ISBN (Print)9780780395909
DOIs
StatePublished - 1 Mar 2006

Publication series

Name2006 IEEE GCC Conference, GCC 2006

Keywords

  • Adaptive algorithms
  • DS-CDMA
  • Mobile communications
  • Slow fading

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