NDLI: Robust adaptive joint tracking of GNSS signal code phases in urban canyons

Content Provider	IET Digital Library
Author	Tabatabaei, Amir Mosavi, Mohammad Reza
Abstract	Despite rapid developments in global navigation satellite system (GNSS), positioning in urban canyons is a big challenge for civil receivers. Low accessibility to the sky, multipath, weak signal and blocking incidents are the major problems of positioning in these environments. This study proposes a robust adaptive joint tracking architecture to improve the tracking and positioning results of the receiver. In this architecture beside the conventional tracking architecture, one adaptive tracking method works to aid the computation of the code phase error in weak channels. To increase the availability of the satellites above the receiver, global positioning system and Russian GLobal NAvigation satellite system integration is utilised. Different tests in static mode including blocking, multipath and weak-signal scenarios and a dynamic test in an urban environment are included. Experimental results show that the joint adaptive receiver could find the position with more than 31 and 14% improvements in RMS error rather than conventional receiver during the static multipath and dynamic tests, respectively. How the proposed method solves the fault propagation problem of vector tracking is also shown using a simulated scenario.
Starting Page	987
Ending Page	993
Page Count	7
ISSN	17518784
Volume Number	11
e-ISSN	17518792
Issue Number	Issue 6, Jun (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-rsn/11/6
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-rsn.2016.0529
Journal	IET Radar, Sonar & Navigation
Publisher Date	2017-01-12
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Adaptive Signal Processing Global Navigation Satellite System Global Positioning System GNSS Signal Code Radio Navigation And Direction Finding Robust Adaptive Joint Tracking Architecture Russian Global Navigation Satellite System Integration Satellite Communication System Signal Processing And Detection Urban Canyons
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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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
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