|Fast Acquisition of GPS Signal in Low SNR Environments
|Wu Hua-bing; Hu Yong-hui; Ma Hong-jiao; Yang Yang
|International Conference of China Communication
|INTERNATIONAL CONFERENCE OF CHINA COMMUNICATION (ICCC2010)
|Guangxi, PEOPLES R CHINA
|In this paper, to improve the performance of GPS receiver in low SNR environments, a method based on matched filter bank and FFT is proposed. The method aims at improving SNR by means of accumulation effects, coherent and non-coherent integration. Before FFT spectrum analysis, the method uses windowing techniques to reduce the degradation and the leak of the spectrum. Simulation results demonstrate the proposed method has the detection sensitivity -185dBW.
Wu Hua-bing,Hu Yong-hui,Ma Hong-jiao,et al. Fast Acquisition of GPS Signal in Low SNR Environments[C],2010.
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