Analysis on an acquisition algorithm for weak signal GPS receiver

Cheng Song; Shaowei Yong; Feixue Wang

doi:10.1117/12.775339

10 November 2007 Analysis on an acquisition algorithm for weak signal GPS receiver

Cheng Song, Shaowei Yong, Feixue Wang

Proceedings Volume 6795, Second International Conference on Space Information Technology; 67956S (2007) https://doi.org/10.1117/12.775339
Event: Second International Conference on Spatial Information Technology, 2007, Wuhan, China

Abstract

The weak signal environment puts forward the great challenge to GPS signal acquisition algorithm. In this paper, the signal model of GPS receiver is established, in which the Doppler compensation is considered. The segment correlation video integration method using envelope detector is adopted, and this method is optimally designed by deriving the optimum IF integration time and optimum segment number. In order to avoid the effect of navigation data bit-transition, the suboptimum IF integration time is also proposed, which performs close to the optimum approach.

Citation Download Citation

Cheng Song, Shaowei Yong, and Feixue Wang "Analysis on an acquisition algorithm for weak signal GPS receiver", Proc. SPIE 6795, Second International Conference on Space Information Technology, 67956S (10 November 2007); https://doi.org/10.1117/12.775339

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