NDLI: Vertical Positioning Technologies and its Application of Pseudolites Augmentation

Content Provider	IEEE Xplore Digital Library
Author	Yu Liu Shijun Tian
Copyright Year	2008
Description	Author affiliation: Sch. of Electron. Eng., Univ. of Electron. Sci. & Technol. of China, Chengdu (Shijun Tian) \|\| Dept. of Physic & Electron. Eng., Chongqing Three Gorges Univ., Chongqing (Yu Liu)
Abstract	GPS has been broadly applied in every fields of our social life, since the environment around us has been becoming more and more complicated, satellite navigation positioning technology under severe geometry, weather and jamming conditions gains more and more attention. However, It is well known that the GPS satellite navigation system lacks vertical information, which results in poor vertical accuracy. On the other hand a pseudolite navigation system provides very good vertical information thus improving the vertical accuracy which is crucial for airplane precision landing. In satellite navigation and positioning applications, pseudolite undertakes two tasks. First, pseudolite can improve range measurement accuracy by elimination the common pseudorange error between the pseudolite site and user. Second, pseudolite can reduce vertical dilution of precision (VDOP) by an additional pseudorange measurement. This paper mainly discuss the principle of pseudolite reducing VDOP and improving vertical measurement accuracy significantly. Also, the estimation of VDOP maximum values is given. With the help of simulation, the simulation results indicate that the augmentation of pseudolite can improve dramatically positioning accuracy, satisfying requirement of civil aviation APV.
Starting Page	1
Ending Page	3
File Size	104519
Page Count	3
File Format	PDF
ISBN	9781424421077
DOI	10.1109/WiCom.2008.1217
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-12
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Geometry Earth Transmitters Signal processing Satellite navigation systems Airports Aircraft navigation Physics Signal design Global Positioning System
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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