Global Positioning System Signal Verification through Correlation Function Distortion and Received Power Tracking
DOI:
https://doi.org/10.47941/jts.1835Keywords:
GPS, Signal Verification, Signal Power, Correlation Distortion, Navigation SafetyAbstract
Purpose: This study proposes a significantly improved method for detecting, classifying, and isolating Global Navigation Satellite System (GNSS) signals using the relationship between the measured power and the distortion of the correlation function to achieve the signal verification required for Global Positioning System (GPS) civil applications such as safe civil aircraft navigation.
Methodology: The suggested approach uses power and distortion measurements in the received signal to identify it as jammed, multipath, spoofing, or no-interference. By adding an isolator scaling factor to the detector, the signal patterns will be induced with a unique temporary factor that will set it apart from the rest and make it possible to easily position each signal in its own zone. The detector divides the four signal types into distinct zones for verification.
Findings: The sufficient signal data is analyzed and the extensive simulation conducted indicates that about 94% detection accuracy is achieved which is relatively high.
Unique contribution to theory, practice and policy: This study is implemented through the development of relevant detection software tools with a user-friendly interface for GNSS signal detection, validation and analysis.
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Copyright (c) 2024 Moses Michael Meitivyeki, Moses Michael Meitivyeki, Associate Prof. Haiying Liu
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