Error rate analysis of band-limited BPSK with Nakagami/Nakagami ACI considering nonlinear amplifier and diversity

M. A. Rahman, C. S. Sum, R. Funada, T. Baykas, J. Wang, S. Sasaki, H. Harada, S. Kato

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

An exact expression of the average error rate is developed for a band-limited binary phase-shift keying (BPSK) system in the presence of adjacent channel interference (ACI) considering a Nakagami fading channel. The system employs a root-raised cosine (RRC) filter both in the transmitter and receiver sides and a transmitter power amplifier (PA) that may have nonlinear input/output characteristics. These practical considerations are accurately taken into account. By utilizing the characteristic function (CF) method of error-rate analysis, we interestingly blend the concepts of time and frequency domains and develop an error-rate expression that is simple and general for several system parameters, including adjacent channel separation, RRC filter roll-off factor, and PA output back-off (OBO). Hence, the error rate in the presence of cochannel interference (CCI) is obtained as a special case. The developed results for a single-branch receiver are then extended for diversity receivers, and several interesting observations are made.

Original languageEnglish
Article number5345871
Pages (from-to)1523-1529
Number of pages7
JournalIEEE Transactions on Vehicular Technology
Volume59
Issue number3
DOIs
Publication statusPublished - 2010 Mar 1

Keywords

  • Adjacent channel interference (ACI)
  • Cochannel interference (CCI)
  • Error-rate analysis
  • Nakagami fading
  • Power amplifier (PA) nonlinearity and diversity receivers

ASJC Scopus subject areas

  • Automotive Engineering
  • Aerospace Engineering
  • Electrical and Electronic Engineering
  • Applied Mathematics

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