Simple Closed-Form Approximation to Ricean Sum Distributions

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15 Citations (Scopus)

Abstract

This letter focuses on the approximation of Ricean sum distributions of L independent random variables. Although no closed-form expression is available for these exact distributions, a simple but accurate closed-form approximation is proposed. The expression is based on the Central Limit Theorem (CLT) for which an appropriate correction term is added. The result is a rather tight fit with the exact distribution for a wide range of input values and Ricean K-factors. © 2009, IEEE. All rights reserved.
Original languageEnglish
Pages (from-to)153-155
JournalIEEE Signal Processing Letters
Volume16
DOIs
Publication statusPublished - 1 Jan 2009

Keywords

  • Approximation methods
  • Rayleigh distribution
  • Ricean distribution
  • sum distribution

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