Frame Synchronization for OFDM-Based High-Speed Wireless Communication Systems in an Impulsive Channel

Author

Lim, Young Sun ; Kim, Sung-won ; Kim, Jin Young

Author_Institution

Dept. of Radio Sci. & Eng., Kwangwoon Univ., Seoul

Volume

2

fYear

2007

fDate

12-14 Feb. 2007

Firstpage

1318

Lastpage

1322

Abstract

Frame synchronization is an critical factor for an effective operation of OFDM (orthogonal frequency division multiplexing) based communication systems. In this paper, we present and analyze an efficient frame synchronization method based on m-sequence for OFDM-based mobile multimedia communication systems. Repeated m-sequence is superimposed directly to OFDM frames in the time domain. By utilizing the autocorrelation characteristics of m-sequence, efficient frame synchronization can be achieved. And we also consider frequency offset estimation jointly. Both theoretical and simulated results are presented. The proposed technique can be applied to the OFDM-based mobile multimedia communication systems.

Keywords

OFDM modulation; frequency estimation; m-sequences; mobile radio; multimedia communication; synchronisation; wireless channels; OFDM; autocorrelation characteristics; frame synchronization; frequency offset estimation; high-speed wireless communication systems; impulsive channel; m-sequence; mobile multimedia communication systems; orthogonal frequency division multiplexing; Communication systems; Frequency estimation; Frequency synchronization; Intersymbol interference; Land mobile radio; Multimedia communication; Multimedia systems; OFDM; Radio transmitters; Wireless communication;

fLanguage

English

Publisher

ieee

Conference_Titel

Advanced Communication Technology, The 9th International Conference on

Conference_Location

Gangwon-Do

ISSN

1738-9445

Print_ISBN

978-89-5519-131-8

Type

conf

DOI

10.1109/ICACT.2007.358600

Filename

4195401