NDLI: A B1I signal fast acquisition scheme of Beidou soft receiver

Content Provider	IEEE Xplore Digital Library
Author	Zhang Xiangxiang Yang Jing Zhao Zhang
Copyright Year	2014
Description	Author affiliation: Beijing Inst. of Control Eng., Beijing, China (Zhao Zhang) \|\| Sch. of Autom. Sci. & Electr. Eng., Beihang Univ., Beijing, China (Zhang Xiangxiang) \|\| Sci. & Technol. on Aircraft Control Lab., Beihang Univ., Beijing, China (Yang Jing)
Abstract	With the rapid development of the Beidou system, it is important to research the acquisition of B1I signal. In order to acquire the MEO/IGSO satellites signal modulated with 1 kbps NH code in interference environment effectively and quickly, a signal acquisition scheme which is the combination of an improved half bits differential acquisition method and 3-points conic fitting method to get fine frequency is proposed. The experiment results show that the improved half bits differential acquisition method, compared with the traditional acquisition method, acquired Beidou B1I signal more successfully, especially for the weak signals, And 3-points conic fitting method provided fine carrier frequency which is accurate enough for the signal tracking.
Starting Page	1754
Ending Page	1759
File Size	273586
Page Count	6
File Format	PDF
ISBN	9781479947003
e-ISBN	9781479946990
DOI	10.1109/CGNCC.2014.7007448
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-08-08
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Satellites Correlation Frequency modulation Sensitivity Half bits Beidou Fitting Conic fitting Difference coherent Satellite navigation systems Frequency estimation Acquisition
Content Type	Text
Resource Type	Article

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