Sirf Technology, Inc.

Csr Technology Inc.

Steve Chang Chiayee

Gengsheng Zhang

Lionel Jacques Garin

Ashutosh Pande

Randall J Silva

A protocol independent interface for processing, within a mobile device, protocol aiding data received at a call processor with a Global Positioning System ('GPS') interface, where the protocol aiding data is produced according to a Geolocation Server Station protocol is disclosed. The protocol independent interface may include a means for receiving, at the GPS interface, the protocol aiding data received at the call processor, means for converting the received protocol aiding data to interface data that is transparent to the Geolocation Server Station protocol, and means for passing the interface data to a GPS module.

Interface for a GPS system

The present invention discloses a system for determining the position of a GPS terminal. The system comprises a GPS terminal, a location aiding server, and a communications system. Messages are passed between the GPS terminal and the server, as well as within the GPS terminal, to determine the mode of operation of the GPS portion of the system. Decisions are made based on availability of aiding data and Quality of Service requirements.

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San Jose, CA, United States of America

Steve Chang Chiayee