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Conference Paper
A time-frequency synchronization algorithm free of ISI for Hpi system
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- Authors
- Zhangyong Ma, Young-il Kim
- Issue Date
- 2004-09
- Citation
- Vehicular Technology Conference (VTC) 2004 (Fall), pp.1758-1761
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- OFDM system performance is more sensitive to frequency offset and timing error than single-carrier systems. The paper presents a new algorithm which makes use of the autocorrelation characteristics of the pseudo sequence (PN-sequence) to improve the accuracy of the frequency offset and timing error based on the special pilot pattern. Intersymbol-interference (ISI) can be removed only if the correct parameters are chosen. The theoretical analysis and simulation results verify the robustness to multipath of this algorithm.