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    • 2. 发明授权
    • Adaptive array antenna and wireless communication apparatus including adaptive array antenna
    • 自适应阵列天线和包括自适应阵列天线的无线通信装置
    • US08626242B2
    • 2014-01-07
    • US13256484
    • 2010-11-02
    • Takeshi Ono
    • Takeshi Ono
    • H04M1/00H01Q19/10H04W16/28H01Q1/24
    • H04W16/28H01Q1/246H01Q3/30H01Q9/0414H01Q21/065H01Q21/08
    • To provide an adaptive array antenna capable of increasing resolution of a variable beam direction of the antenna without increasing a calculation amount in arithmetic processing unit for optimally controlling a variable phase shifter. A parasitic element-equipped adaptive array antenna (100) includes n (n is an integer equal to or greater than 2) parasitic antenna elements (1011 to 101n), (n−1) fed antenna elements (1021 to 102n−1) which are coupled to the parasitic antenna elements (1011 to 101n) by electromagnetic fields, and (n−1) variable phase shifters (1041 to 104n−1) which change the phases of radio frequency signals to be supplied to the respective fed antenna elements (1021 to 102n−1). Each of the fed antenna elements (1021 to 102n−1) is arranged astride at least two of the parasitic antenna elements (1011 to 101n).
    • 提供能够增加天线的可变波束方向的分辨率的自适应阵列天线,而不增加用于最佳地控制可变移相器的算术处理单元中的计算量。 具有寄生元件的自适应阵列天线(100)包括馈送天线元件(1021至102n-1)的n(n是等于或大于2的整数)寄生天线元件(1011至101n),馈送天线元件(n1) 通过电磁场耦合到寄生天线元件(1011〜101n),和(n-1)可变移相器(1041〜104n-1),其改变要提供给各馈电天线元件的射频信号的相位 1021至102n-1)。 每个馈送天线元件(1021至102n-1)跨越至少两个寄生天线元件(1011至101n)。