发明名称 Reference Oscillator Management for Wireless Devices Having Position Determination Functionality
摘要 A method and device for managing a reference oscillator within a wireless device is presented. The method includes selecting reference oscillator parameters associated with the lowest reference oscillator error, where the selection is based upon reference oscillator parameters derived using different technologies within a wireless device, acquiring a satellite based upon the selected reference parameters, determining the quality of the satellite-based position fix, and updating the reference oscillator parameters based upon the quality of the satellite-based position fix. The wireless device includes a wireless communications system, a satellite positioning system (SPS) receiver, a reference oscillator connected to the wireless communications system and SPS receiver, and a mobile controller connected to the reference oscillator, SPS, and wireless communications system, and a memory connected to the mobile controller, where the memory stores a reference oscillator parameter table and instructions causing the mobile controller to execute the aforementioned method.
申请公布号 US2013295865(A1) 申请公布日期 2013.11.07
申请号 US201313933076 申请日期 2013.07.01
申请人 QUALCOMM INCORPORATED 发明人 SIMIC EMILIJA M.;FARMER DOMINIC GERARD;RISTIC BORISLAV;BHATIA ASHOK
分类号 G01S19/45 主分类号 G01S19/45
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