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http://dx.doi.org/10.6109/jkiice.2010.14.10.2223

Analysis of Influences due to Navigation Message Error of GPS Signals on Receiver  

Kang, Hee-Won (한국해양연구원 해양안전.방제기술연구부)
Cho, Deuk-Jae (한국해양연구원 해양안전.방제기술연구부)
Park, Sang-Hyun (한국해양연구원 해양안전.방제기술연구부)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.14, no.10, 2010 , pp. 2223-2229 More about this Journal
Abstract
The integrity monitoring of anomalous GPS signal have been researched because of the degradation of GPS satellite performance. It is known that anomalous GPS signal can occur by failure of GPS satellite, sudden increase of ionosphere delay error, SA, wrong modeling for navigation parameters from control segment, and an electromagnetic wave interference, etc. In case of GPS anomaly by satellites can arise from carrier frequency, code and navigation message. In this paper, the scenarios with navigation message errors were made by using GPS simulator, and the influences of GPS navigation message error to receiver were analysed. The anomalies of preamble, bits related TOW count message, subframe ID in HOW, bits related satellite healthy, and the other navigation message errors were described and simulated. Also, the number of satellites, DOP and pseudorange are analyzed to know how the anomalous signal can affect on GPS receiver.
Keywords
GPS Anomaly; Navigation Message Error; Integrity Monitoring; GPS Simulator;
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