A new GIB frequency synchronization algorithm with reduced influence of ISI for OFDM systems

Author

Xu, Lei ; Dong, Zai-wang

Author_Institution

Dept. of Electron. Eng., Tsinghua Univ., Beijing, China

Volume

1

fYear

2002

fDate

29 June-1 July 2002

Firstpage

129

Abstract

The paper analyzes the influence of ISI (intersymbol interference) on the method using the whole guard interval (GI) of the OFDM signal to estimate the fine frequency offset, and then proposes an improved method, which is based on the method of K. Takahashi and T. Saba (see Proc. IEEE GLOBECOM´01, vol.1, p.524-8, 2001). The performances of these methods are simulated under AGWN and 20-ray multipath channel models. The result demonstrate that our proposed method has good performance.

Keywords

AWGN channels; OFDM modulation; fading channels; frequency estimation; intersymbol interference; mobile radio; multipath channels; synchronisation; AGWN channel; ISI; OFDM; fading channel; fine frequency offset estimation; frequency synchronization algorithm; intersymbol interference; mobile reception; multipath channel; whole guard interval; AWGN; Clocks; Computational modeling; Delay; Fading; Frequency estimation; Frequency synchronization; Intersymbol interference; OFDM; Sampling methods;

fLanguage

English

Publisher

ieee

Conference_Titel

Communications, Circuits and Systems and West Sino Expositions, IEEE 2002 International Conference on

Print_ISBN

0-7803-7547-5

Type

conf

DOI

10.1109/ICCCAS.2002.1180587

Filename

1180587