Patent ID: 6150980
Filing Date: 2000-11-21
Classification: G01S,H03J,H04B

Abstract:
A system for determining a position of a mobile global positioning system receiver, said mobile global positioning system receiver receiving global positioning system signals from at least one of a plurality of global positioning system (GPS) satellites, said system comprising:means for receiving a cellular communication signal in a mobile communication receiver coupled to said mobile global positioning system receiver, said cellular communication signal having a time indicator which represents a time event;means for associating said time indicator with data representing a time of arrival of a GPS satellite signal at said mobile global positioning system receiver; andmeans for determining a position information of said mobile global positioning system receiver, wherein said data representing said time of arrival of said GPS satellite signal and said time indicator are used to determine said position information of said mobile global positioning system receiver and wherein said cellular communication signal supports 2-way communications;wherein said means for receiving, said means for associating and said means for determining are performed by a single processor device.