A decorrelating detector for use with antenna arrays

Tyler Brown, Mostafa Kaveh

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

This paper addresses the problem of synchronous CDMA communications when, due to bandwidth limitations, signature waveforms have relatively large correlations. A receiver which uses the multiple received signals available from an antenna array is proposed and its performance analyzed. This receiver may be interpreted as a multichannel extension of the decorrelating detector and therefore shares its immunity to near-far effects. The receiver uses the discrimination afforded by the antenna array to effectively reduce the correlation between users' transmitted signals thereby avoiding the reduction in performance which occurs in the single channel decorrelator when signature correlations become significant.

Original languageEnglish (US)
Pages (from-to)239-246
Number of pages8
JournalInternational Journal of Wireless Information Networks
Volume2
Issue number4
DOIs
StatePublished - Oct 1995

Keywords

  • CDMA
  • antenna arrays
  • multiuser detection
  • spread spectrum

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