NDLI: Optimization strategy of satellite maneuvering time based on the performance of system service for BDS

Content Provider	IEEE Xplore Digital Library
Author	Caibo Hu Chuang Shi Jinping Chen Yidong Lou Zhixue Zhang Jinxian Zhao
Copyright Year	2014
Description	Author affiliation: GNSS Navig. Center, Wuhan Univ., Wuhan, China (Caibo Hu; Chuang Shi; Yidong Lou) \|\| Beijing Satellite Navig. Center, Beijing, China (Jinping Chen; Zhixue Zhang; Jinxian Zhao)
Abstract	The paper presents a method by sliding window to find an optimal satellite maneuvering time with analyzing the change of constellation geometry at different time. Navigation satellites not only broadcast the signals, the orbits and clock corrections etc., but also keep an in-view constellation, which are the factors affecting users to calculate position. Effected by orbit perturbations, the satellites will gradually deviate from the designed orbit position after a period of time. For maintaining the constellation geometry, the satellite maneuver must be implemented. But for the satellite navigation system, the maneuvering satellite will broadcast the declined ephemeris, because the satellite position in ephemeris is not consistent with the actual position. So the satellite will be set to be flagged "Don't Use" through the ground control system. Thus the number of available satellites will reduce. Especially for the regional constellation, such as BDS (Beidou satellite navigation system), the change of position dilution of precision (PDOP) will affect the user's service accuracy. Through analyze of the PDOP value variation on the designated area, the paper puts forward a slide window method of optimal maneuver time selection to reduce the influence. The BDS satellite navigation system has been analyzed and verified the feasibility. The results show that this method can effectively reduce the satellite maneuver bringing to the system services.
Starting Page	889
Ending Page	894
File Size	262391
Page Count	6
File Format	PDF
ISBN	9781479947003
e-ISBN	9781479946990
DOI	10.1109/CGNCC.2014.7007327
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 Accuracy Handheld computers Satellite broadcasting Satellite navigation systems Control systems Orbits
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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