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 (Journal Indexed in SCI) identifier identifier

  • Publication Type: Article / Article
  • Volume: 40 Issue: 11
  • Publication Date: 2004
  • Doi Number: 10.1049/el:20040483
  • Title of Journal : ELECTRONICS LETTERS
  • Page Numbers: pp.678-679

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.