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Satellite positioning system receiver utilizing broadcast doppler information

  • US 7,941,164 B2
  • Filed: 02/28/2005
  • Issued: 05/10/2011
  • Est. Priority Date: 03/01/2004
  • Status: Active Grant
First Claim
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1. A portable cellular communicating handset device, comprising:

  • means for communicating bi-directional data to and from a cellular transceiver station along a bi-directional cellular channel;

    means for receiving and processing SPS information from the cellular transceiver station along the bi-directional cellular channel;

    means for receiving and processing broadcast Doppler information from a broadcast cellular channel, wherein the broadcast Doppler information is broadcast independent of any cellular communication from the portable cellular communicating handset device; and

    means for determining at the portable cellular communicating handset device a location fix of the portable cellular communicating handset device in response to the SPS information and the broadcast Doppler information.

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