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    • 3. 发明申请
    • WIRELESS STATION AND METHODS FOR TOF POSITIONING USING REVERSE-DIRECTION GRANT
    • 无线站和使用反向授权的TOF定位方法
    • US20140269549A1
    • 2014-09-18
    • US14124444
    • 2013-06-28
    • Adrian P. StephensYuval AmizurJonathan Segev
    • Adrian P. StephensYuval AmizurJonathan Segev
    • H04W74/08
    • H04W74/0891H04L1/1664H04L1/1678
    • Embodiments of a communication station (STA) and method for time-of-flight (ToF) positioning in a wireless network are generally described herein. In some embodiments, an initiating station may transmit a message M1 carrying a high-throughput control (HTC) field that includes a reverse direction grant (RDG) bit. The RDG indication grants permission to a responding station to send information back to the initiating station. The message M1 may be a timing measurement action frame. An ACK frame may be received from the responding station to acknowledge receipt of the message M1. The ACK frame may optionally carry an HTC field that includes a more PPDU indication to indicate whether a PPDU (e.g., contained in message M2) is to follow the ACK frame. The message M2 may be received from the responding station and may include timing measurement information from a current and/or one or more previous ToF message exchanges.
    • 通常在这里描述在无线网络中的通信站(STA)和用于飞行时间(ToF)定位的方法的实施例。 在一些实施例中,发起站可以发送携带包括反向授权(RDG)位的高吞吐量控制(HTC)字段的消息M1。 RDG指示允许响应站将信息发送回发起站。 消息M1可以是定时测量动作帧。 可以从响应站接收ACK帧以确认消息M1的接收。 ACK帧可以可选地携带包括更多PPDU指示的HTC字段,以指示PPDU(例如,包含在消息M2中)是否遵循ACK帧。 可以从响应站接收消息M2,并且可以包括来自当前和/或一个或多个先前的ToF消息交换的定时测量信息。
    • 10. 发明申请
    • EXCHANGING RANGING AND LOCATION INFORMATION AMONG PEER-TO-PEER DEVICES
    • 在对等设备上交换更新和位置信息
    • US20160157193A1
    • 2016-06-02
    • US14575664
    • 2014-12-18
    • Emily QiCarlos CordeiroJonathan Segev
    • Emily QiCarlos CordeiroJonathan Segev
    • H04W56/00H04W4/02H04W72/04H04W8/00
    • H04W56/00H04L67/16H04W4/021H04W8/005
    • In some embodiments, a first user device may synchronize a time associated with a second user device. The first user device may generate a neighbor awareness network (NAN) service discovery frame. The first user device may transmit the NAN service discovery frame to the second user device. The first user device may receive a request frame from the second user device based at least in part on transmitting the NAN service discovery frame, wherein the request frame comprises a request for ranging or location information from the first user device. The first user device may receive a NAN service discovery frame from the second user device, wherein the NAN service discovery frame comprises a request for ranging or location information from the first user device. The first user device may transmit a response frame comprising the ranging or location information in response to the received request frame.
    • 在一些实施例中,第一用户设备可以同步与第二用户设备相关联的时间。 第一用户设备可以生成邻居感知网络(NAN)服务发现帧。 第一用户设备可以将NAN服务发现帧发送到第二用户设备。 第一用户设备可以至少部分地基于发送NAN服务发现帧从第二用户设备接收请求帧,其中,所述请求帧包括来自所述第一用户设备的测距或位置信息的请求。 第一用户设备可以从第二用户设备接收NAN服务发现帧,其中NAN服务发现帧包括来自第一用户设备的测距或位置信息的请求。 响应于接收的请求帧,第一用户设备可以发送包括测距或位置信息的响应帧。