NDLI: Improving the Accuracy of GPS Positioning with an Exponential Stochastic Model

Content Provider	IEEE Xplore Digital Library
Author	Jizhong Li
Copyright Year	2010
Abstract	Due to the difference of received satellite’s observational error distributions relative to the receiver in satellite positioning, the least square estimation is not the best linear unbiased estimation and this causes bias in positioning result. The weight least square method is adopted in order to satisfy the best linear unbiased estimation and improve positioning accuracy. Weight factor model was constituted which has exponential relation to the signal intensity of received satellites. The coefficient of the exponential model was determined through actual test of the received data. In this study, the positioning accuracy of the weight algorithm with the exponential model was analyzed. Results show that the positioning bias is 27.51% of no weight positioning algorithm in max bias measure and the computation of positioning algorithm has almost no increase.
Starting Page	162
Ending Page	165
File Size	447757
Page Count	4
File Format	PDF
ISBN	9780769540115
e-ISBN	9781424465989
DOI	10.1109/NSWCTC.2010.174
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-04-24
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Stochastic processes positioning precision Extraterrestrial measurements Satellite navigation systems Time measurement global positioning system Global Positioning System computation Coordinate measuring machines navigation Position measurement Velocity measurement Signal to noise ratio Clocks weight factor
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in