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Design and Realization of Fast Code Acquisition for Long PN Code Spread Spectrum Communication in LEO Satellite

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2 Author(s)
Chen Yong ; Nanjing Telecommun. Technol. Inst. ; Zhao Hang-sheng

Based on the discrete-time signal processing, the representation of Doppler effect on code acquisition performance is analyzed and the principle of combining partial-matched filter with FFT is given in this paper. A fast code acquisition architecture by using partial-matched filter with FFT for the large Doppler offset frequency and long PN code spread spectrum communication system is designed and realized in FPGA and DSP. This architecture provides a very good trade-off between acquisition performance and complexity. Application results show this architecture is very attractive for LEO satellite communication

Published in:

Communications, Circuits and Systems Proceedings, 2006 International Conference on  (Volume:2 )

Date of Conference:

25-28 June 2006