Detecting and localization method of unknown signal using aircraft with ADS-B system
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United States of America
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Jan 21, 2020
Grant Date -
May 11, 2017
app pub date -
Jul 19, 2016
filing date -
Jul 19, 2016
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Abstract
A method of detecting an unknown signal and estimating a source location of the unknown signal using aircraft based on an automatic dependent surveillance-broadcast (ADS-B) system is provided. The method includes a first step (S100′) for obtaining from a plurality of airborne aircrafts provided with a network system, an aircraft signal transmitted to neighboring aircraft. The method further includes a second step (S200′) for detecting, by one of the plurality of aircraft, a presence of the unknown signal in the aircraft signal based on one of a time difference of arrival (TDOA) method, a time of arrival (TOA) method, and an angle of arrival (AOA) method. The method further includes a third step (S300′) for estimating the source location of the unknown signal and a fourth step (S400′) for transmitting unknown signal generation information and the source to neighboring aircraft and the ATC through a flight information services-broadcast (FIS-B).
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