Asymptotic CRB on SNR estimation of OPSK signals in low-SNR Nakagami-m fading channels with diversity combining

Dilaveroglu E., Ertas T.

ELECTRONICS LETTERS, vol.40, no.11, pp.678-679, 2004 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 40 Issue: 11
  • Publication Date: 2004
  • Doi Number: 10.1049/el:20040483
  • Journal Name: ELECTRONICS LETTERS
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.678-679
  • Bursa Uludag University Affiliated: Yes

Abstract

A simple closed-form expression is derived for the low signal-to-noise ratio (SNR) asymptote of the Cramer-Rao bound (CRB) on the estimation of SNR for quarternary phase-shift-keying signals received over Nakagami-m fading channels with L branch equal gain diversity combining.