Doppler Frequency and Noise Insensitive Sampling Frequency Offset Estimation Method for DVB-T/H Systems

Author

Won, Kyung Hoon ; Han, Jung Su ; Choi, Hyung-Jin ; Koo, Bonyoung

Author_Institution

Sch. of Inf. & Commun. Eng., Sungkyunkwan Univ., Suwon

fYear

2009

fDate

26-29 April 2009

Firstpage

1

Lastpage

5

Abstract

A precise estimation of SFO (Sampling Frequency Offset) is an important issue in OFDM (Orthogonal Frequency Division Multiplexing) system. However, the conventional method causes serious performance degradation of SFO estimation in low SNR (Signal to Noise Ratio) or large Doppler frequency environment. Therefore, in this paper, we propose a SFO estimation method which can achieve stable operation in low SNR and large Doppler frequency environment. The proposals for SFO estimation /compensation are mainly based on DVB (Digital Video Broadcasting) system, and we verified that the proposed method has a good performance and stable operation through extensive simulation.

Keywords

Doppler effect; OFDM modulation; digital video broadcasting; frequency estimation; interference suppression; sampling methods; DVB-T-H system; Doppler frequency estimation method; OFDM system; digital video broadcasting; noise insensitive SFO estimation method; orthogonal frequency division multiplexing; sampling frequency offset; Degradation; Digital video broadcasting; Frequency estimation; Information technology; OFDM; Sampling methods; Satellite broadcasting; Scattering; Signal to noise ratio; Working environment noise;

fLanguage

English

Publisher

ieee

Conference_Titel

Vehicular Technology Conference, 2009. VTC Spring 2009. IEEE 69th

Conference_Location

Barcelona

ISSN

1550-2252

Print_ISBN

978-1-4244-2517-4

Electronic_ISBN

1550-2252

Type

conf

DOI

10.1109/VETECS.2009.5073510

Filename

5073510