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    • 49. 发明申请
    • WIRELESS POSITIONING USING SCHEDULED TRANSMISSIONS
    • 使用调度传输的无线定位
    • US20160037477A1
    • 2016-02-04
    • US14446738
    • 2014-07-30
    • QUALCOMM Incorporated
    • Hong ChengXinzhou WuLionel Jacques Garin
    • H04W64/00H04J3/06H04W24/10
    • H04W64/00G01S5/0045G01S5/0221G01S5/06G01S5/10H04J3/0635H04W24/10
    • A station (STA) receives a schedule from a reference device in a wireless network. The schedule provides a measurement time for each of one or more wireless channels. The STA tunes to a first channel of the one or more wireless channels in accordance with the schedule. While tuned to the first channel in accordance with the schedule, the STA receives a first message from a first access point (AP). The first message, which includes a time-of-departure timestamp from the reference device, is time-stamped with a time-of-arrival timestamp. The STA receives an indication of a time at which the reference device received the first message from the first AP. The STA determines its position based in part on the time-of-departure timestamp, the time-of-arrival timestamp, and the time at which the reference device received the first message.
    • 站(STA)从无线网络中的参考设备接收调度。 该时间表为一个或多个无线信道中的每一个提供测量时间。 STA根据时间表调谐一个或多个无线信道的第一信道。 当根据调度调整到第一信道时,STA从第一接入点(AP)接收第一消息。 包含来自参考设备的时间戳的第一个消息被带有到达时间时间戳的时间戳。 STA接收来自第一AP的参考设备接收到第一消息的时间的指示。 STA部分地基于出发时间时间戳,到达时间时间戳以及参考设备接收到第一消息的时间来确定其位置。