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IJSTR >> Volume 9 - Issue 6, June 2020 Edition

International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616

Implementation Satellite Interference Geolocation Using TDOA Algorithm In Indonesia

[Full Text]



Ilvico Sonata, Yaya Heryadi, Harco Leslie Hendric Spits Warnars, Ford Lumban Gaol, Benfano Soewito



Satellite, interference, geolocation, VSAT (very small aperture terminal), TOA (time of arrival), TDOA (time difference of arrival), FDOA (frequency difference of arrival), AOA (Angle of Arrival).



Indonesia, Country with many islands have at least four geostationary satellites for telecommunication services to connect all-region with high-speed internet, telephony backbone and other private data such as banking and government application. Using VSAT (very small aperture terminal) as an earth station is fast to deploy with minimum infrastructure and can reach some remote area easily. The other hand, VSAT makes the satellite become susceptible to interference and also very difficult to find the source of interference. Some satellite interference caused by VSAT mis-alignment, VSAT equipment failure and unauthorized VSAT operation. There are some methods and algorithm to find a signal source such as AOA (Angle of Arrival), FDOA (frequency difference of arrival), TOA (time of arrival) and TDOA (time difference of arrival). TDOA measure the difference of time signal arrival at multiple receivers and calculate the distance between the signal source and receiver to locate the signal source. This paper studied how to find satellite interference source using TDOA algorithm and also the experimental result.



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