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Integrated Global Navigation Satellite System (iGNSS) QoS prediction

UNSPECIFIED (2012) Integrated Global Navigation Satellite System (iGNSS) QoS prediction. Photogrammetric Engineering and Remote Sensing, 78 (2). 139 - 149. ISSN 0099-1112

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Abstract

Navigation applications, among other location-based applications, that rely primarily on Global Navigation Satellite System (GNSS) are subject to positioning uncertainties. This paper presents an integrated GNSS (IGNSS) QOS prediction methodology that can provide navigation applications with quality of GNSS positions on prospective roads in a selected route ahead of time. As a part of the methodology, this paper discusses the technique for simulating signal paths using lidar data and signal propagation models for predicting levels of satellite visibility, positional availability, and positional accuracy. Experiments were conducted, and the predicted results by IGNSS QOS were evaluated against reference data (GPS coordinates) at various environment settings. Evaluation results indicated that IGNSS QOS can predict positioning quality with reasonably a high level of confidence in open sky locations and with some uncertainties in obstructed locations. © 2012 American Society for Photogrammetry and Remote Sensing.


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Details

Item Type: Article
Status: Published
Date: 1 January 2012
Date Type: Publication
Access Restriction: No restriction; Release the ETD for access worldwide immediately.
Journal or Publication Title: Photogrammetric Engineering and Remote Sensing
Volume: 78
Number: 2
Page Range: 139 - 149
DOI or Unique Handle: 10.14358/pers.78.2.139
Institution: University of Pittsburgh
Schools and Programs: School of Information Sciences > Information Science
Refereed: Yes
ISSN: 0099-1112
Date Deposited: 07 Jul 2012 14:18
Last Modified: 05 Jan 2019 15:59
URI: http://d-scholarship.pitt.edu/id/eprint/12745

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