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Coding Aspects of Secure GNSS Receivers

  • This paper presents an overview of the coding aspects of a GNSS receiver. Coding allows detection and correction of channel-induced errors at the receiver, here the focus is on the mitigation of threats from malicious interferences. Although the effects of interference at different stages of GNSS baseband processing has been deeply analyzed in the literature, little attention was devoted to itsThis paper presents an overview of the coding aspects of a GNSS receiver. Coding allows detection and correction of channel-induced errors at the receiver, here the focus is on the mitigation of threats from malicious interferences. Although the effects of interference at different stages of GNSS baseband processing has been deeply analyzed in the literature, little attention was devoted to its impact on the navigation message decoding stage. Theis paper provides an introduction to the various coding schemes employed by current GNSS signals, discussing their performance in the presence of noise in terms of block-error rate. Additionally, the benefits of soft-decoding schemes for navigation message decoding are highlighted when jamming interferences are present. The proposed scheme requires estimating the noise plus interference power, yielding to enhanced decoding performances under severe jamming conditions. Finally, cryptographic schemes as a means of providing anti-spoofing for geosecurity location-based services, and their potential vulnerability are discussed, with particular emphasis on the dependence on the dependence of the scheme on successful navigation message decodingshow moreshow less

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Metadaten
Author:James T. Curran, Monica Navarro, Marco Anghileri, Pau Closas, Stephan PfletschingerORCiDGND
Creating Corporation:IEEE
Year of Publication:2016
Pagenumber:16
Language:English
Parent Title (English):IEEE Xplore
First Page:1271
Last Page:1287
Document Type:Conference Proceeding
Institutes:Bibliografie
Release Date:2017/08/28
Licence (German):License LogoEs gilt das UrhG
URL:http://ieeexplore.ieee.org/document/7442769/