Maximum likelihood synchronization for OFDM using a pilot symbol: analysis

Author

Coulson, Alan J.

Author_Institution

Commun. Team, Ind. Res. Ltd., Lower Hutt, New Zealand

Volume

19

Issue

12

fYear

2001

fDate

12/1/2001 12:00:00 AM

Firstpage

2495

Lastpage

2503

Abstract

A performance analysis of algorithms for maximum likelihood estimation of channel parameters for orthogonal frequency-division multiplexing packet detection and synchronization is presented. The detection and synchronization algorithms, which are based on the use of a pilot symbol, are described in Coulson (2001). The performance analyses concentrate on operation in additive white Gaussian noise channels, and the accuracy of these analyses are demonstrated using experimental and simulation data. Methods to extend these analyses to frequency flat multipath fading channels are presented

Keywords

AWGN channels; OFDM modulation; fading channels; maximum likelihood estimation; multipath channels; packet radio networks; synchronisation; OFDM; additive white Gaussian noise channels; channel parameters; frequency flat multipath fading channels; maximum likelihood estimation; maximum likelihood synchronization; orthogonal frequency-division multiplexing; packet detection; packet synchronization; performance analysis; pilot symbol; AWGN channels; Correlators; Fading; Frequency estimation; Frequency synchronization; Maximum likelihood detection; Maximum likelihood estimation; OFDM; Parameter estimation; Performance analysis;

fLanguage

English

Journal_Title

Selected Areas in Communications, IEEE Journal on

Publisher

ieee

ISSN

0733-8716

Type

jour

DOI

10.1109/49.974614

Filename

974614