A novel symbol synchronization algorithm with reduced influence of ISI for OFDM systems

Author

Takahashi, Kenkichi ; Saba, Takahiko

Author_Institution

Dept. of Comput. Sci., Chiba Inst. of Technol., Japan

Volume

1

fYear

2001

fDate

2001

Firstpage

524

Abstract

This paper proposes a symbol synchronization method which reduces the influence of the intersymbol interference (ISI) for orthogonal frequency division multiplexing (OFDM) systems. The proposed method extracts the timing which is not disturbed by delay spread within the guard interval (GI) by utilizing the cyclic extension. Thus, the proposed method is effective in reducing the influence of the ISI. The BER characteristics of the proposed system are evaluated using computer simulation. The results show that the system using the proposed method achieves almost the same performance as the system with perfect synchronization

Keywords

OFDM modulation; delays; error statistics; fading channels; intersymbol interference; mobile radio; multipath channels; synchronisation; BER; ISI; OFDM; cyclic extension; fading; guard interval; intersymbol interference; multicarrier transmission; multipath delay spread; orthogonal frequency division multiplexing; symbol synchronization algorithm; wireless mobile communication; Bit error rate; Computer simulation; Delay effects; Demodulation; Frequency estimation; Frequency synchronization; Intersymbol interference; Mobile communication; OFDM; Timing;

fLanguage

English

Publisher

ieee

Conference_Titel

Global Telecommunications Conference, 2001. GLOBECOM '01. IEEE

Conference_Location

San Antonio, TX

Print_ISBN

0-7803-7206-9

Type

conf

DOI

10.1109/GLOCOM.2001.965172

Filename

965172