Patent ID: 8884821

Claim:
A method of tracking a location of a vehicle in a cellular communications network comprising a plurality of cells, a plurality of base stations at different geographic locations, at least one antenna at each base station, and a plurality of control channels, the method comprising: establishing and conducting through the cellular communication network, communications between a communication and jamming detection device located at the vehicle and a first base station for a first cell of the communication network; at the communication and jamming detection device: determining when jamming of the communications between the communication and jamming detection device and the base station is occurring; upon determining that jamming is occurring, transmitting a location determination signal from the communication and jamming device, on a plurality of different control channels for a plurality of different cells, such that the location determination signal is received by at least one external location determination device coupled to a second base station that is coupled to an antenna for a second cell, the external location determination device being configured to determine the location of the communication and jamming detection device by triangulation, the triangulation being responsive to reception of the location determination signal at a plurality different antennas for the plurality of different cells on the plurality of different control channels.