A general scheme for spectral efficiency evaluation of direct-sequence spread-spectrum systems

Maja Bystrom, James W. Modestino

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

Typically, spectral efficiency, the throughput in bits/second/hertz, has been evaluated for fixed values of the bit error probability. In this letter, we introduce a cutoff-rate-based approach to evaluation of the spectral efficiency of direct-sequence spread-spectrum schemes so that the results are independent of specific bit error rates or channel codes. Results are shown for M-ary phase-shift keyed modulation on the slow-fading Rician channel.

Original languageEnglish (US)
Pages (from-to)1142-1144
Number of pages3
JournalIEEE Transactions on Communications
Volume49
Issue number7
DOIs
StatePublished - Jul 1 2001

Keywords

  • Cutoff rate
  • Spectral efficiency
  • Spread spectrum

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Networks and Communications

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