Method and apparatus for locating position of a mobile device in an assisted satellite positioning system
First Claim
1. A method for locating position, comprising:
- obtaining satellite measurement data from a plurality of satellites at a mobile device;
obtaining assistance data; and
receiving said position at a mobile-cellular device via a wireless ad hoc network; and
wherein obtaining assistance data further comprises;
transmitting, from said mobile device to said mobile-cellular device via said wireless ad hoc network, a request for assistance data;
receiving assistance data at said mobile device from said mobile-cellular device via said wireless ad hoc network;
transmitting, from said mobile-cellular device to said server via a cellular network, said request for assistance data; and
receiving said assistance data at said mobile-cellular device from said server via said cellular network; and
wherein obtaining assistance data is responsive to receiving a request for said position at said mobile device from said mobile cellular device.
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Accused Products
Abstract
Method and apparatus for locating position of a mobile device in an assisted satellite positioning system is described. In one example, satellite measurement data is obtained from a plurality of satellites at a mobile device. Position of the mobile device is computed using the satellite measurement data. The position is sent to a cellular device via a wireless ad hoc network. In one example, the wireless ad hoc network comprises a BLUETOOTH communication link. In one example, the mobile device is configured to receive assistance data from a position server through the wireless ad hoc network. For example, the mobile device may comprise a housing configured to plug into a cigarette lighter connector of an automobile and the cellular device may comprise a cellular telephone without location-determination capabilities (i.e., the cellular telephone does not include an integrated GPS receiver).
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Citations
24 Claims
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1. A method for locating position, comprising:
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obtaining satellite measurement data from a plurality of satellites at a mobile device; obtaining assistance data; and receiving said position at a mobile-cellular device via a wireless ad hoc network; and wherein obtaining assistance data further comprises; transmitting, from said mobile device to said mobile-cellular device via said wireless ad hoc network, a request for assistance data; receiving assistance data at said mobile device from said mobile-cellular device via said wireless ad hoc network; transmitting, from said mobile-cellular device to said server via a cellular network, said request for assistance data; and receiving said assistance data at said mobile-cellular device from said server via said cellular network; and wherein obtaining assistance data is responsive to receiving a request for said position at said mobile device from said mobile cellular device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for locating position, comprising:
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obtaining satellite measurement data from a plurality of satellites at a mobile device; obtaining assistance data; sending said satellite measurement data from said mobile device to a cellular device via a wireless ad hoc network; sending said satellite measurement data from said mobile-cellular device to a position server via a cellular network; and receiving position of said mobile device in response to said satellite measurement data; and wherein obtaining assistance data further comprises; transmitting, from said mobile device to said mobile-cellular device via said wireless ad hoc network, a request for assistance data; receiving assistance data at said mobile device from said mobile-cellular device via said wireless ad hoc network; transmitting, from said mobile-cellular device to said server via said a cellular network, said request for assistance data; and receiving said assistance data at said mobile-cellular device from said server via said cellular network; and wherein obtaining assistance data is responsive to receiving a request for said position at said mobile device from said mobile cellular device. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A mobile position system, comprising:
a mobile global positioning system (GPS) device comprising; a GPS receiver for receiving satellite measurement data; and
a first wireless transceiver; anda mobile cellular device without location-enabling capabilities comprising; a second wireless transceiver for receiving location information from said GPS receiver via a wireless ad hoc network formed with said first wireless transceiver; and wherein the mobile position system obtains assistance data, obtaining assistance data further comprising; transmitting, from said mobile device to said mobile-cellular device via said wireless ad hoc network, a request for assistance data; receiving assistance data at said mobile device from said mobile-cellular device via said wireless ad hoc network; transmitting, from said mobile-cellular device to said server via a cellular network, said request for assistance data; and receiving said assistance data at said mobile-cellular device from said server via said cellular network; and wherein obtaining assistance data is responsive to receiving a request for said position at said mobile device from said mobile cellular device. - View Dependent Claims (21, 22, 23, 24)
Specification