Synchronization with DMT modulation

Author

Pollet, Thierry ; Peeters, Miguel

Author_Institution

Res. Center, Alcatel, Antwerp, Belgium

Volume

37

Issue

4

fYear

1999

fDate

4/1/1999 12:00:00 AM

Firstpage

80

Lastpage

86

Abstract

In a digital transmission system, synchronization is an essential receiver function. Accurate timing information must be known to the demodulator in order to produce reliable estimates of the transmitted data sequence. In this article, synchronization for discrete multitone transmission (DMT) is examined. The effect of imperfect timing on the receiver performance is investigated. An overview of timing estimation and correction circuits based on data-aided and non-data-aided algorithms derived from maximum-likelihood estimation theory is given

Keywords

data communication; digital communication; maximum likelihood estimation; modulation; receivers; synchronisation; timing circuits; DMT modulation; OFDM; accurate timing information; data-aided algorithms; demodulator; digital transmission system; discrete multitone transmission; imperfect timing; maximum-likelihood estimation theory; nondata-aided algorithms; receiver performance; synchronization; timing correction circuits; timing estimation circuits; transmitted data sequence; Clocks; Delay estimation; Error correction; Frequency synchronization; OFDM modulation; Sampling methods; Signal generators; Timing; Transfer functions; Transmitters;

fLanguage

English

Journal_Title

Communications Magazine, IEEE

Publisher

ieee

ISSN

0163-6804

Type

jour

DOI

10.1109/35.755454

Filename

755454