Linear Differentially Coherent Multiuser Detection for Multipath Channels

Howard C. Huang, Sergio Verdú

Research output: Contribution to journalArticle

19 Scopus citations

Abstract

By combining multipath processing, differential signal detection, and multiuser detection techniques, we develop a class of near-far resistant linear detectors for differentially coherent multipath signals. We derive and establish performance relationships among the following detectors: an optimally near-far resistant detector, a suboptimum detector which does not require knowledge of the signal coordinates, and a minimum mean square error (MMSE) detector which achieves near-optimum asymptotic efficiency. We present an adaptive multiuser detector which converges to the MMSE detector without training sequences and which requires less information than the conventional single user rake receiver.

Original languageEnglish (US)
Pages (from-to)113-136
Number of pages24
JournalWireless Personal Communications
Volume6
Issue number1-2
DOIs
StatePublished - Jan 1 1998

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Electrical and Electronic Engineering

Keywords

  • Blind adaptive algorithm
  • Multipath channel
  • Multiuser detection

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