Satellite positioning system receiver utilizing broadcast doppler information
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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Abstract
A cellular communicating device (10). The device comprises means (221) for communicating bi-directional data to and from a cellular transceiver station along a bi -directional channel (30S). The device also comprises means (222) for receiving SPS information. The device also comprises means (223) for receiving broadcast Doppler information from a source other than the bi-directional channel and an SPS system. Lastly, the device also comprises means (24) for determining a location fix of the electronic device in response to the SPS information and the broadcast Doppler information.
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Citations
23 Claims
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1. A portable cellular communicating handset device, comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method of operating a portable cellular communicating handset device, comprising:
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communicating bi-directional data to and from a cellular transceiver station along a bi-directional cellular channel; receiving and processing SPS information from the cellular transceiver station along the bi-directional cellular channel; 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 determining a location fix by the portable cellular communicating handset device of the portable cellular communicating handset device in response to the SPS information and the broadcast Doppler information. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23)
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Specification