Obtaining pseudorange information using a cellular device
First Claim
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1. A mobile device comprising:
- memory coupled with a bus;
a Global Positioning System/Global Navigation Satellite System (GPS/GNSS) embedded receiver coupled with the bus;
a communications system coupled with the bus; and
one or more processors coupled with the bus, wherein the the one or more processors are configured to;
send a message to the GPS/GNSS embedded receiver to initiate an E911 activity,receive pseudorange information provided by the E911 activity,send a second message to the GPS/GNSS embedded receiver to cancel the E911 activity before transmission of the pseudorange information external to the mobile device, anddetermine a position fix of the mobile device based on the pseudorange information.
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Abstract
The cellular device accesses a GPS/GNSS chipset embedded within the cellular device. The GPS/GNSS chipset calculates pseudorange information for use by the GPS/GNSS chipset. The cellular device extracts the pseudorange information from the GPS/GNSS chipset for use elsewhere in the cellular device outside of the GPS/GNSS chipset.
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Citations
18 Claims
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1. A mobile device comprising:
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memory coupled with a bus; a Global Positioning System/Global Navigation Satellite System (GPS/GNSS) embedded receiver coupled with the bus; a communications system coupled with the bus; and one or more processors coupled with the bus, wherein the the one or more processors are configured to; send a message to the GPS/GNSS embedded receiver to initiate an E911 activity, receive pseudorange information provided by the E911 activity, send a second message to the GPS/GNSS embedded receiver to cancel the E911 activity before transmission of the pseudorange information external to the mobile device, and determine a position fix of the mobile device based on the pseudorange information. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for obtaining pseudorange information using a mobile device that includes an embedded Global Positioning System/Global Navigation Satellite System (GPS/GNSS) receiver and one or more processors outside the GPS/GNSS receiver, the method comprising:
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initiating, performed by the one or more processors, an E911 operation to obtain the pseudorange information from the GPS/GNSS receiver of the mobile device; receiving, at the one or more processors, the pseudorange information from the GPS/GNSS receiver; preventing, performed by the one or more processors, the pseudorange information from being sent external to the mobile device by terminating the E911 operation, and determining, performed by the one or more processors, a location of the mobile device based on the pseudorange information. - View Dependent Claims (14, 15, 16, 17, 18)
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Specification