发明名称 ADVANCED POWER MANAGEMENT FOR SATELLITE POSITIONING SYSTEM
摘要 <p>A power management system (100) for managing power in a wireless device having an SPS receiver, communication device and a power source (104), the power management is described. The power management system (100) may include a real­time clock (124), an input/output device (126), a radio frequency front-end (122) and an SPS engine (120) in signal communication with the real-time clock, input/output device and radio frequency front-end, the SPS engine capable of powering down itself, the input/output device and radio frequency front-end in response to determining a mode of operation.</p>
申请公布号 WO2003025618(A2) 申请公布日期 2003.03.27
申请号 US2002030256 申请日期 2002.09.14
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