Rayleigh fading channel estimation using MMSE estimator for MIMO-CDMA system

Khalid Mahmood, Syed Muhammad Asad, Omer Bin Saeed, Muhammad Moinuddiny, Azzedine Zerguinez

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Scopus citations

Abstract

In this paper, we are proposing a pilot-aided channel estimator for the multiple-input multiple-output (MIMO) directsequence code-division multiple access (DS-CDMA) communication systems based on the minimum mean-square error (MMSE) estimate of the attenuated transmitted signals in the presence of Rayleigh fading channel coupled with the white Gaussian noise. The proposed receiver consists of bank of matched filters matched to the signature waveform of the desired user followed by a nonlinear estimator, resulting from the MMSE estimate of the attenuated transmitted signal. Simulation results carried out for multiple values of signal to noise ratio (SNR) and number of users show that the theoretical predictions are very well substantiated.

Original languageEnglish
Title of host publication2015 International Conference on Communications, Signal Processing, and Their Applications, ICCSPA 2015
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781479965328
DOIs
StatePublished - 6 Apr 2015

Publication series

Name2015 International Conference on Communications, Signal Processing, and Their Applications, ICCSPA 2015

Bibliographical note

Publisher Copyright:
© 2015 IEEE.

Keywords

  • Channel estimation
  • Direct-sequence code-division multiple access (DS-CDMA)
  • Minimum mean-square error (MMSE)
  • Multiple access interference (MAI)
  • Multiple-input
  • Multiple-output (MIMO)

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Signal Processing

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