High SNR BER comparison of coherent and differentially coherent modulation schemes in lognormal fading channels

Xuegui Song, Julian Cheng, Mohamed-Slim Alouini

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

Using an auxiliary random variable technique, we prove that binary differential phase-shift keying and binary phase-shift keying have the same asymptotic bit-error rate performance in lognormal fading channels. We also show that differential quaternary phase-shift keying is exactly 2.32 dB worse than quaternary phase-shift keying over the lognormal fading channels in high signal-to-noise ratio regimes.
Original languageEnglish (US)
Pages (from-to)1507-1510
Number of pages4
JournalIEEE Communications Letters
Volume18
Issue number9
DOIs
StatePublished - Sep 2014

ASJC Scopus subject areas

  • Modeling and Simulation
  • Computer Science Applications
  • Electrical and Electronic Engineering

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