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    • 4. 发明申请
    • IDENTIFYING ANGLE OF DEPARTURE OF MULTI-ANTENNA TRANSMITTERS
    • 识别多天线发射器的离开角度
    • WO2018055482A1
    • 2018-03-29
    • PCT/IB2017/055514
    • 2017-09-13
    • DEEYOOK LOCATION TECHNOLOGIES LTD.
    • SHPAK, Eran
    • H04W72/04H04L27/26H04L5/12
    • A method for signal processing includes receiving at a given location at least first and second signals transmitted respectively from at least first and second antennas (34) of a wireless transmitter (24). The at least first and second signals encode identical data using a multi-carrier encoding scheme with a predefined cyclic delay between the transmitted signals. The received first and second signals are processed, using the cyclic delay, in order to derive a measure of a phase delay between the first and second signals. Based on the measure of the phase delay, an angle of departure (θ) of the first and second signals from the wireless transmitter to the given location is estimated.
    • 用于信号处理的方法包括在给定位置接收分别从无线发射器(24)的至少第一和第二天线(34)发射的至少第一和第二信号。 所述至少第一和第二信号使用多载波编码方案来编码相同的数据,其中在所传送的信号之间具有预定的循环延迟。 使用循环延迟来处理所接收的第一和第二信号,以便导出第一和第二信号之间的相位延迟的测量。 基于相位延迟的测量,估计从无线发射器到给定位置的第一和第二信号的偏离角(θ)。