Title :
Asymptotic CRB on SNR estimation of QPSK signals in low-SNR Nakagami-m fading channels with diversity combining
Author :
E. Dilaveroglu;T. Ertas
Author_Institution :
Dept. of Electron. Eng., Uludag Univ., Bursa, Turkey
fDate :
5/27/2004 12:00:00 AM
Abstract :
A simple closed-form expression is derived for the low signal-to-noise ratio (SNR) asymptote of the Crame/spl acute/r-Rao bound (CRB) on the estimation of SNR for quaternary phase-shift-keying signals received over Nakagami-m fading channels with L branch equal gain diversity combining.
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20040483