De-noising and spoofing extraction from position solution using wavelet transform on stationary single-frequency GPS receiver in immediate detection condition
Document title: De-noising and spoofing extraction from position solution using wavelet transform on stationary single-frequency GPS receiver in immediate detection condition
Journal: Journal of applied research and technology
Database: PERIÓDICA
System number: 000427857
ISSN: 1665-6423
Authors: 1
1
1
Institutions: 1Iran University of Science and Technology, Department of Electrical Engineering, Narmak, Teherán. Irán
Year:
Season: Ago
Volumen: 15
Number: 4
Country: México
Language: Inglés
Document type: Artículo
Approach: Experimental, aplicado
English abstract The growing dependence of critical civil infrastructure on global positioning system (GPS) makes GPS interference not only a safety threat, but also a matter of national security. The research done in this paper is initiated by the need to diminish this trouble on GPS based positioning. The suggested compensation technique assumes that the presence of a spoofing signal is immediately determined. The position residuals of the last authentic and new fake signals are passed to the wavelet transform (WT). We utilized WT for de-noising. Afterwards, position deviations due to an attack can be extracted and then the estimated position of the received signal will be corrected. As a primary step, the proposed algorithm has been implemented in a stationary software GPS receiver to prove the concept of the idea. The performance of the technique is validated using several laboratory and measurement data sets. Interference mitigation having tolerance of 3% and average of 99.5% is yielded on laboratory data set and complete compensation is achieved on measurement data set. The test results show that the proposed technique supremely gain strength the reliability of civil stationary GPS receiver against interference
Disciplines: Ingeniería
Keyword: Ingeniería de telecomunicaciones,
Sistema de Posicionamiento Global (GPS),
Falsificación,
Transformada Wavelet
Keyword: Telecommunications engineering,
Global Positioning System (GPS),
Spoofing,
Wavelet transform
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