Patent ID: 6727847
Filing Date: 2004-04-27
Classification: A63F,G01S,H04N

Abstract:
An apparatus for providing satellite positioning system aiding information to a satellite positioning system receiver configured to determine the position of the satellite positioning system receiver using the satellite positioning system aiding information and the propagation time of a signal transmitted by a satellite in the satellite positioning system, the apparatus comprising:a second satellite positioning system receiver to receive the satellite positioning system aiding information; a channel coder to provide a digital television signal comprising a plurality of frames, each frame comprising a plurality of data segments; an encoder to encode the satellite positioning system aiding information as codewords; a packet multiplexer to replace data segments within the digital television signal with the codewords; and a transmitter to transmit the digital television signal; wherein the satellite positioning system receiver receives the digital television signal and recovers the satellite positioning system aiding information.