Performance of Multiuser Detection for Optical CDMA—Part II: Asymptotic Analysis

Laurie B. Nelson, H. Vincent Poor

Research output: Contribution to journalArticlepeer-review

16 Scopus citations


This paper presents characterizations of optimum multiuser detection in intensity-modulation direct-detection CDMA channels based on asymptotic analysis of simple bounds on optimum performance. Technical difficulties in applying large deviation techniques to the evaluation of asymptotic multiuser efficiencies are rigorously addressed. These same difficulties also lead to derivation of conditions under which the linear multiuser detection achieves known-interference (hence, optimum) performance. Asymptotic analysis of the conventional correlation receiver, including derivation of the optimal decision threshold for on-off signaling formats, is also presented.

Original languageEnglish (US)
Pages (from-to)3015-3024
Number of pages10
JournalIEEE Transactions on Communications
Issue number12
StatePublished - Dec 1995

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering


  • Optical CDMA
  • asymptotic multiuser efficiency
  • optimal multiuser detection


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