G - Physics – 01 – S
Patent
G - Physics
01
S
G01S 5/02 (2006.01) G01S 5/12 (2006.01) G01S 11/04 (2006.01) H04Q 7/36 (2006.01) G01S 3/74 (2006.01)
Patent
CA 2299136
The disclosure relates to methods and devices for the real-time localization of terrestrial transmitters belonging to a TDMA type cellular radiocommunications network. The device comprises an antenna array, a multichannel receiver and a digital processor. The method consists of the interception, from an aircraft, of radioelectric signals and the detection of these signals by the implementation of a multichannel synchronization to determine the various sources of transmission, the simultaneous computation of an elevation angle .DELTA. and an azimuth angle .theta. to instantaneously determine the direction of arrival of the radioelectric signals from the determined transmission sources and the building of tracks in the geographical areas in which the transmission sources are located in order to estimate the position of the transmitters.
Bernardot Laurent
Ferreol Anne
Monot Jean-Jacques
Robic
Thomson-Csf
LandOfFree
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