Novel synchronization approach for cyclic based systems

Author

Yu-jun, Kuang ; Yong, Teng ; Chang-chuan, Yin ; Jian-jun, Hao ; Guang-xin, Yue

Author_Institution

Telecommun. Eng. Sch., Beijing Univ. of Posts & Telecommun., China

Volume

1

fYear

2003

fDate

7-10 Sept. 2003

Firstpage

245

Abstract

This contribution proposes a novel synchronization approach for cyclic prefix (CP) based systems such as OFDM and CP-based single carrier systems. Short-time FFT is applied to the received signal, which results the its 2-D spectrum. By detecting the flat region on the 2-D spectrum in time direction, the instants where inter-symbol interference (ISI) is absent are determined for symbol timing and carrier synchronization. Simulations results on its performance in AWGN and multipath fading environment as well as its robustness against duration of channel impulse response (CIR) and frequency offset are presented.

Keywords

AWGN channels; OFDM modulation; fading channels; fast Fourier transforms; intersymbol interference; multipath channels; radiofrequency interference; synchronisation; timing; 2D spectrum; AWGN channel; FFT; OFDM system; carrier synchronization; channel impulse response; cyclic prefix based systems; intersymbol interference; multipath fading channel; single carrier systems; symbol timing; AWGN; Fading; Frequency domain analysis; Frequency estimation; Frequency synchronization; Intersymbol interference; OFDM; Quadrature amplitude modulation; Robustness; Timing;

fLanguage

English

Publisher

ieee

Conference_Titel

Personal, Indoor and Mobile Radio Communications, 2003. PIMRC 2003. 14th IEEE Proceedings on

Print_ISBN

0-7803-7822-9

Type

conf

DOI

10.1109/PIMRC.2003.1264270

Filename

1264270