SNR threshold indicator in data-aided frequency synchronization

Author

Atallah, Leïla Najjar ; Barbot, Jean-Pierre ; Larzabal, Pascal

Author_Institution

Ecole Normale Superieure de Cachan, Lab. SATIE, Cachan, France

Volume

11

Issue

8

fYear

2004

Firstpage

652

Lastpage

654

Abstract

The signal-to-noise ratio (SNR) threshold behavior is studied in the frame of data-aided carrier synchronization in additive white Gaussian noise. The closed form expression of the Chapman-Robbins bound, relative to the carrier frequency offset estimation is first established then used to derive an indicator of the SNR threshold. For a given sequence of pilot symbols, the threshold region is localized at the departure of the Chapman-Robbins bound from the Cramer-Rao bound. The data-aided maximum likelihood estimator is considered to examine the derived indicator usefulness.

Keywords

AWGN; digital communication; maximum likelihood estimation; synchronisation; AWGN; Chapman-Robbins bound; Cramer-Rao bound; SNR; additive white Gaussian noise; carrier frequency offset estimation; carrier synchronization; data-aided frequency synchronization; data-aided maximum likelihood estimator; signal-to-noise ratio; threshold indicator; Additive white noise; Bayesian methods; Digital communication; Frequency estimation; Frequency synchronization; Maximum likelihood estimation; Mean square error methods; Parameter estimation; Signal to noise ratio; Testing; Carrier synchronization; Chapman-Robbins bound; Cramer-Rao bound; threshold effect;

fLanguage

English

Journal_Title

Signal Processing Letters, IEEE

Publisher

ieee

ISSN

1070-9908

Type

jour

DOI

10.1109/LSP.2004.831683

Filename

1316877