An enhanced digital timing synchronization technique for DVB-S system

Author

Kim, Pansoo ; Oh, Deock-Gil ; Lee, Ho-Jin

Author_Institution

Electron. & Telecommun. Res. Inst., Taejeon, South Korea

Volume

6

fYear

2004

fDate

26-29 Sept. 2004

Firstpage

4002

Abstract

In this paper, we propose improved algorithms for high order modulation systems, applicable to the revising DVB-S 2.0 standard. This paper presents a new 4-sampled zero crossing DC offset compensation algorithm. Simulation results show the improvement in jitter performance, reduction of compensation time, and gain of bit error rate (BER) compared with other algorithms. Simultaneously, a robust digital timing recovery scheme is proposed. By comparative simulation in low SNR and large DC offset environments, the proposed timing recovery algorithm shows enhanced performance in jitter variance and SNR gain by 4 times and 1dB, respectively.

Keywords

digital video broadcasting; direct broadcasting by satellite; error compensation; error statistics; synchronisation; timing jitter; BER gain; DVB-S 2.0 standard; DVB-S system; SNR gain; bit error rate; compensation time reduction; digital timing synchronization technique; high order modulation systems; jitter variance; low SNR environments; quad-sampled zero crossing DC offset compensation; timing recovery; Bit error rate; Detectors; Digital video broadcasting; Frequency; Jitter; Local oscillators; Performance gain; Power system reliability; Sampling methods; Timing;

fLanguage

English

Publisher

ieee

Conference_Titel

Vehicular Technology Conference, 2004. VTC2004-Fall. 2004 IEEE 60th

ISSN

1090-3038

Print_ISBN

0-7803-8521-7

Type

conf

DOI

10.1109/VETECF.2004.1404829

Filename

1404829