| Autor: |
Norhashim, Nurhakimah, Mohd Kamal, Nadhiya Liyana, Sahwee, Zulhilmy, Shah, Shahrul Ahmad, Alfian, Nur Afiqah, Sathyamoorthy, Dinesh |
| Předmět: |
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| Zdroj: |
Defence S&T Technical Bulletin; 2024, Vol. 17 Issue 1, p90-97, 8p |
| Abstrakt: |
Due to long-distance propagation, the received Global Navigation Satellite System (GNSS) signal power is low, making it highly susceptible to signal interference. In safety-critical applications such as unmanned aerial vehicles (UAVs), GNSS signal interference can lead to significant position, navigation and timing (PNT) service deterioration or interruption. Therefore, this work focuses on investigating the effects of Global Positioning System (GPS) jamming on a DJI Mini 2 UAV and a Garmin GPSMAP 60CSx handheld GPS receiver based on various interference signal power levels and rotation angles. The field evaluation is conducted in an open area and GPS interference signals are generated using a signal generator. The signal is emitted to the target UAV using a directional antenna, and the effect of the signal is analysed and evaluated. Then, using the same setup, the measurement is repeated by varying the rotation angles of the UAV to 0, 45 and 90°. The findings indicate that when a jammer's signal reaches approximately -110 dBm in an outdoor setting, it significantly affects GPS accuracy. The impact of GPS jamming on rotation angles is influenced by altering the UAV's position (lateral and upright) as a result of changes in antenna orientation (facing upwards or towards the interference signal). [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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