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    • 7. 发明申请
    • METHOD AND APPARATUS FOR DETERMINING AN ANGLE OF ARRIVAL OF A WIRELESS SIGNAL
    • 确定无线信号到达角度的方法和设备
    • WO2018045330A1
    • 2018-03-08
    • PCT/US2017/049935
    • 2017-09-01
    • MARVELL SEMICONDUCTOR, INC.BERGER, Christian, R.
    • BERGER, Christian, R.GRANDHE, NiranjanSRINIVASA, Sudhir
    • G01S3/46
    • H04W4/023G01S3/14G01S3/46H04B7/086H04L25/022H04W56/0065H04W84/12
    • At an antenna array of a first communication device, a wireless signal transmitted by a second communication device is received. The first communication device calculates a plurality of oversampled matched filter values corresponding to the wireless signal, which correspond to i) different values of a signal delay corresponding to the wireless signal, and ii) different values of a phase corresponding to the wireless signal. The first communication device determines a local maximum of the plurality of oversampled matched filter values across different values of the signal delay and different values of the phase, where the local maximum corresponds to a component of the wireless signal that is first to arrive at the antenna array. The first communication device calculates an angle of arrival of the wireless signal at the antenna array using a value of the phase corresponding to the local maximum of the plurality of matched filter values.
    • 在第一通信设备的天线阵列处,接收由第二通信设备发送的无线信号。 第一通信设备计算对应于无线信号的多个过采样匹配滤波器值,其对应于i)对应于无线信号的信号延迟的不同值,以及ii)与无线信号对应的相位的不同值。 第一通信设备确定跨信号延迟的不同值和相位的不同值的多个过采样匹配滤波器值的局部最大值,其中局部最大值对应于首先到达天线的无线信号的分量 阵列。 第一通信设备使用与多个匹配滤波器值的局部最大值相对应的相位值来计算无线信号在天线阵列处的到达角。