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    • 4. 发明申请
    • ENHANCED ANTENNA ARRAY TRAINING
    • 增强的天线阵列培训
    • WO2017172779A1
    • 2017-10-05
    • PCT/US2017/024555
    • 2017-03-28
    • QUALCOMM INCORPORATED
    • KIM, BeomsupZHANG, NingZHANG, XiaoxinKIM, Youhan
    • H04B7/06H04B7/08
    • Methods, systems, and devices for wireless communication are described. An access point (AP) may switch antenna array configurations during reception of a packet to determine channel characteristic information for the antenna array configurations. The AP may use the channel characteristic information to select an antenna array configuration for use, and to determine a beamforming steering matrix for the selected antenna array configuration. In some cases, the AP may use multiple antenna array configurations to transmit training fields in the preamble of a packet. The AP may receive channel characteristic information for each of the antenna array configurations. The AP may use the channel characteristic information to select an antenna array configuration for use, and to determine a beamforming steering matrix for the selected antenna array configuration.
    • 描述了用于无线通信的方法,系统和设备。 接入点(AP)可以在接收分组期间切换天线阵列配置以确定天线阵列配置的信道特征信息。 AP可以使用信道特征信息来选择天线阵列配置以供使用,并且为所选天线阵列配置确定波束成形引导矩阵。 在一些情况下,AP可以使用多个天线阵列配置来在分组的前导码中发送训练字段。 AP可以接收每个天线阵列配置的信道特性信息。 AP可以使用信道特性信息来选择天线阵列配置以供使用,并且为所选择的天线阵列配置确定波束成形引导矩阵。
    • 5. 发明申请
    • RANGING OVER MULTIPLE ANTENNAS
    • 多个天线的测距
    • WO2017004434A1
    • 2017-01-05
    • PCT/US2016/040515
    • 2016-06-30
    • QUALCOMM INCORPORATED
    • KIM, BeomsupZHANG, NingZHANG, Xiaoxin
    • H04W64/00
    • H04W4/023G01S11/16G01S13/767H04B7/0602H04W64/00H04W84/12
    • Methods, systems, and devices are described for wireless communication. An example method includes receiving, by a first wireless communication device having a plurality of antennas disposed at a localized position, a plurality of fine timing management (FTM) messages from a second wireless communication device. The example method includes transmitting, by the first wireless communication device, a plurality of FTM responses to the second wireless communication device. Each of the plurality of FTM responses may be transmitted using a different antenna of the first wireless communication device. The example method also includes estimating a range between the first wireless communication device and the second wireless communication device based at least in part on the plurality of FTM messages.
    • 描述了用于无线通信的方法,系统和设备。 一种示例性方法包括由第二无线通信设备接收多个精确定时管理(FTM)消息的第一无线通信设备,其具有设置在本地化位置的多个天线。 该示例方法包括由第一无线通信设备向第二无线通信设备发送多个FTM响应。 可以使用第一无线通信设备的不同天线来发送多个FTM响应中的每一个。 该示例性方法还包括至少部分地基于多个FTM消息来估计第一无线通信设备和第二无线通信设备之间的范围。