DocumentCode
431834
Title
On estimating the signal to noise ratio from BPSK signals
Author
Mecklenbräuker, Christoph F. ; Paul, Steffen
Author_Institution
Forschungszentrum Telekommunikation Wien, Vienna, Austria
Volume
4
fYear
2005
fDate
18-23 March 2005
Abstract
Signal-to-noise ratio is an important parameter in many receivers. In this contribution, we derive a fixed-point equation whose solution coincides with the maximum-likelihood (ML) estimate of the amplitude of a binary phase-shift keying modulated signal and the variance of the additive white Gaussian noise. The resulting fixed-point equation is efficiently solved in a few iterations.
Keywords
AWGN; channel estimation; iterative methods; maximum likelihood estimation; phase shift keying; AWGN variance; BPSK signals; SNR estimation; additive white Gaussian noise; amplitude maximum-likelihood estimation; binary phase-shift keying modulated signal; fixed-point equation; iterative estimation; receiver SNR; signal to noise ratio; Additive white noise; Amplitude estimation; Amplitude modulation; Binary phase shift keying; Equations; Maximum likelihood estimation; Phase estimation; Phase modulation; Phase shift keying; Signal to noise ratio;
fLanguage
English
Publisher
ieee
Conference_Titel
Acoustics, Speech, and Signal Processing, 2005. Proceedings. (ICASSP '05). IEEE International Conference on
ISSN
1520-6149
Print_ISBN
0-7803-8874-7
Type
conf
DOI
10.1109/ICASSP.2005.1415946
Filename
1415946
Link To Document