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    • 10. 发明申请
    • POWER MANAGEMENT OF A RADIO DATA TRANSCEIVER
    • 无线电数据收发器的电源管理
    • US20150215864A1
    • 2015-07-30
    • US14678784
    • 2015-04-03
    • Apple Inc.
    • Tito ThomasPierre VandwalleCharles Francis DominguezTashbeeb Haque
    • H04W52/02H04W76/06
    • H04W52/0209H04W52/02H04W52/0216H04W76/38Y02D70/142Y02D70/144Y02D70/146
    • Methods and apparatuses for operating a wireless mobile station configured to communicate with a wireless access point are described. A first awake timer may be started in response to receiving a beacon signal from the wireless access point. The beacon signal may indicate that data is available or pending for the wireless mobile station. A second awake timer may be started in response to data received from the wireless access point. When the second awake timer expires, the wireless mobile station may return to the sleep state. In one embodiment, the first awake timer counts for a first period of time and the second awake timer counts for a second period of time which is shorter than the first period of time. The RF radio may be in a higher power state when the first and/or the second awake timers are counting. In one embodiment, the wireless mobile station and the wireless access points may be synchronized using target beacon transmission times of the beacon signal.
    • 描述用于操作被配置为与无线接入点进行通信的无线移动站的方法和装置。 响应于从无线接入点接收信标信号,可以启动第一唤醒定时器。 信标信号可以指示无线移动站的数据可用或待定。 响应于从无线接入点接收的数据,可以启动第二唤醒定时器。 当第二唤醒定时器期满时,无线移动台可以返回睡眠状态。 在一个实施例中,第一唤醒定时器对第一时间段进行计数,并且第二唤醒定时器计数比第一时间段短的第二时间段。 当第一和/或第二唤醒定时器正在计数时,RF无线电可以处于较高功率状态。 在一个实施例中,无线移动站和无线接入点可以使用信标信号的目标信标传输时间同步。