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公开(公告)号：US20140187259A1
公开(公告)日：2014-07-03
申请号：US13964431
申请日：2013-08-12
申请人： CSR Technology Inc.
发明人： Naveen Kumar Kakani , Ben Tarlow , Erik Lindskog , Raja Banerjea , Hong Wan , Ian Charles Blair
IPC分类号： H04W4/02
摘要： To determine a location of a client device in a wireless network having at least first and second network devices, with known locations, one of the network devices transmits a message to the other network device and the other network device responds with an acknowledgement message. A client device receives the message and the acknowledgement message as well as respective times indicating actual times at which the message and the acknowledgement message were processed by one of the first and second network devices. The client device determines its location based on the times at which it received the message and the acknowledgement message and the difference between the actual processing times. This location may be refined by determining an angle between the client device and at least one of the network devices having multiple antennas and being configured for steered beam communications.
摘要翻译： 为了确定具有至少具有已知位置的至少第一和第二网络设备的无线网络中的客户端设备的位置，网络设备中的一个将消息发送到另一个网络设备，而另一个网络设备用确认消息进行响应。 客户端设备接收消息和确认消息以及指示消息和确认消息由第一和第二网络设备之一处理的实际时间的相应时间。 客户端设备根据接收到消息的时间和确认消息以及实际处理时间之间的差异来确定其位置。 可以通过确定客户端设备与具有多个天线的至少一个网络设备之间的角度并且被配置用于转向波束通信来改进该位置。
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公开(公告)号：US10039073B2
公开(公告)日：2018-07-31
申请号：US13964431
申请日：2013-08-12
申请人： CSR Technology Inc.
发明人： Naveen Kumar Kakani , Ben Tarlow , Erik Lindskog , Raja Banerjea , Hong Wan , Ian Charles Blair
摘要： To determine a location of a client device in a wireless network having at least first and second network devices, with known locations, one of the network devices transmits a message to the other network device and the other network device responds with an acknowledgement message. A client device receives the message and the acknowledgement message as well as respective times indicating actual times at which the message and the acknowledgement message were processed by one of the first and second network devices. The client device determines its location based on the times at which it received the message and the acknowledgement message and the difference between the actual processing times. This location may be refined by determining an angle between the client device and at least one of the network devices having multiple antennas and being configured for steered beam communications.
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