NDLI: Simulating Ionosphere-Induced Scintillation for Testing GPS Receiver Phase Tracking Loops

Content Provider	IEEE Xplore Digital Library
Author	Humphreys, T.E. Psiaki, M.L. Hinks, J.C. O'Hanlon, B. Kintner, P.M.
Copyright Year	2007
Abstract	A simple model is proposed for simulating equatorial transionospheric radio wave scintillation. The model can be used to test Global Positioning System phase tracking loops for scintillation robustness because it captures the scintillation properties that affect such loops. In the model, scintillation amplitude is assumed to follow a Rice distribution, and the spectrum of the rapidly-varying component of complex scintillation is assumed to follow that of a low-pass second-order Butterworth filter. These assumptions are justified, and the model validated, by comparison with phase-screen-generated and empirical scintillation data in realistic tracking loop tests. The model can be mechanized as a scintillation simulator that expects only two input parameters: the scintillation index S ₄ and the decorrelation time tau₀. Hardware-in-the-loop tests show how the model can be used to test the scintillation robustness of any compatible GPS receiver.
Sponsorship	IEEE Signal Processing Society
Starting Page	707
Ending Page	715
Page Count	9
File Size	628599
File Format	PDF
ISSN	19324553
Volume Number	3
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-08-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Global Positioning System Tracking loops History Receivers Robustness Libraries Satellite navigation systems Degradation System testing Low pass filters simulation Fading channels Global Positioning System (GPS) ionosphere scintillation
Content Type	Text
Resource Type	Article
Subject	Signal Processing 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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