DocumentCode
868627
Title
A low bias algorithm to estimate negative SNRs in an AWGN channel
Author
Li, Bin ; DiFazio, Robert ; Zeira, Ariela
Author_Institution
InterDigital Commun. Corp., Melville, NY, USA
Volume
6
Issue
11
fYear
2002
Firstpage
469
Lastpage
471
Abstract
Signal-to-noise ratio (SNR) is an important parameter in many receivers. In this letter, we derive a maximum-likelihood estimate of the amplitude of a binary phase-shift keying modulated signal and develop an iterative SNR search algorithm. Low bias is achieved for low SNR.
Keywords
AWGN channels; amplitude estimation; differential phase shift keying; iterative methods; maximum likelihood estimation; mean square error methods; AWGN channel; BPSK modulated signal; SNR estimation; amplitude estimation; binary phase-shift keying; iterative SNR search algorithm; low bias algorithm; maximum-likelihood estimate; signal-to-noise ratio; AWGN channels; Amplitude estimation; Amplitude modulation; Binary phase shift keying; Iterative algorithms; Maximum likelihood estimation; Phase estimation; Phase modulation; Phase shift keying; Signal to noise ratio;
fLanguage
English
Journal_Title
Communications Letters, IEEE
Publisher
ieee
ISSN
1089-7798
Type
jour
DOI
10.1109/LCOMM.2002.805546
Filename
1049146
Link To Document