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    • 2. 发明授权
    • Wireless communication method and antenna system for determining direction of arrival information to form a three-dimensional beam used by a transceiver
    • 用于确定到达方向信息以形成由收发机使用的三维波束的无线通信方法和天线系统
    • US06992622B1
    • 2006-01-31
    • US11025421
    • 2004-12-29
    • Bing A. ChiangSteven Jeffrey GoldbergMichael James Lynch
    • Bing A. ChiangSteven Jeffrey GoldbergMichael James Lynch
    • H01Q3/02
    • H01Q3/40H01Q21/205H01Q25/02H04B7/0617H04B7/086
    • A wireless communication method and antenna system for determining the direction of arrival (DOA) of received signals in azimuth and elevation, (i.e., in three dimensions), to form a beam for transmitting and receiving signals. The system includes two antenna arrays, each having a plurality of antenna elements, two first stage multi-mode-port matrices, at least one second stage multi-mode-port matrix, an azimuth phase detector, an elevation amplitude detector, a plurality of phase shifters and a transceiver. The antenna arrays and the first stage multi-mode-port matrices form a plurality of orthogonal omni-directional modes. Each of the modes has a characteristic phase set. Two of the modes' phases are used to determine DOA in azimuth. The second stage multi-mode-port matrix forms a sum-mode and a difference-mode used to determine the DOA of the received signals in elevation. A beam is formed in the direction of the received signals by adjusting the phase shifters.
    • 一种无线通信方法和天线系统,用于确定方位和高程(即,三维)中的接收信号的到达方向(DOA),以形成用于发送和接收信号的波束。 该系统包括两个天线阵列,每个天线阵列具有多个天线元件,两个第一级多模式端口矩阵,至少一个第二级多模式端口矩阵,方位角相位检测器,仰角振幅检测器,多个 移相器和收发器。 天线阵列和第一级多模端口矩阵形成多个正交全向模式。 每个模式都具有特征相位集合。 两个模式的相位用于确定方位角的DOA。 第二级多模式端口矩阵形成和模式和差模式,用于确定接收信号的高程的DOA。 通过调整移相器在接收信号的方向上形成一个波束。
    • 5. 发明授权
    • Low cost multiple pattern antenna for use with multiple receiver systems
    • 低成本多模式天线,用于多个接收机系统
    • US07696943B2
    • 2010-04-13
    • US11604013
    • 2006-11-22
    • Bing A. Chiang
    • Bing A. Chiang
    • H01Q19/00
    • H01Q19/32H01Q25/002
    • An antenna assembly includes at least two active or main radiating omni-directional antenna elements arranged with at least one beam control or passive antenna element used as a reflector. The beam control antenna element(s) may have multiple reactance elements that can electrically terminate it to adjust the input or output beam pattern(s) produced by the combination of the active antenna elements and the beam control antenna element(s). More specifically, the beam control antenna element(s) may be coupled to different terminating reactances to change beam characteristics, such as the directivity and angular beam width. Processing may be employed to select which terminating reactance to use. Consequently, the radiator pattern of the antenna can be more easily directed towards a specific target receiver/transmitter, reduce signal-to-noise interference levels, and/or increase gain. A Multiple-Input, Multiple-Output (MIMO) processing technique may be employed to operate the antenna assembly with simultaneous beam patterns.
    • 天线组件包括至少两个有源或主辐射全向天线元件,其布置有用作反射器的至少一个光束控制或无源天线元件。 波束控制天线元件可以具有多个电抗元件,其可以电气端接它,以调节由有源天线元件和波束控制天线元件的组合产生的输入或输出波束图案。 更具体地,波束控制天线元件可以耦合到不同的终止电抗以改变诸如方向性和角波束宽度的波束特性。 可以使用处理来选择要使用的终止电抗。 因此,天线的辐射器图案可以更容易地指向特定的目标接收器/发射器,降低信噪比干扰电平和/或增加增益。 可以采用多输入多输出(MIMO)处理技术来操作具有同时波束图案的天线组件。
    • 7. 发明授权
    • Wireless communication apparatus for determining direction of arrival information to form a three-dimensional beam used by a transceiver
    • 用于确定到达方向信息以形成由收发机使用的三维波束的无线通信装置
    • US07427953B2
    • 2008-09-23
    • US11285683
    • 2005-11-22
    • Bing A. ChiangSteven Jeffrey GoldbergMichael James Lynch
    • Bing A. ChiangSteven Jeffrey GoldbergMichael James Lynch
    • G01S5/02H01Q3/02
    • H01Q3/40H01Q21/205H01Q25/02H04B7/0617H04B7/086
    • A wireless communication method and antenna system for determining the direction of arrival (DOA) of received signals in azimuth and elevation, (i.e., in three dimensions), to form a beam for transmitting and receiving signals. The system includes two antenna arrays, each having a plurality of antenna elements, two first stage multi-mode-port matrices, at least one second stage multi-mode-port matrix, an azimuth phase detector, an elevation amplitude detector, a plurality of phase shifters and a transceiver. The antenna arrays and the first stage multi-mode-port matrices form a plurality of orthogonal omni-directional modes. Each of the modes has a characteristic phase set. Two of the modes' phases are used to determine DOA in azimuth. The second stage multi-mode-port matrix forms a sum-mode and a difference-mode used to determine the DOA of the received signals in elevation. A beam is formed in the direction of the received signals by adjusting the phase shifters.
    • 一种无线通信方法和天线系统,用于确定方位和高程(即,三维)中的接收信号的到达方向(DOA),以形成用于发送和接收信号的波束。 该系统包括两个天线阵列,每个天线阵列具有多个天线元件,两个第一级多模式端口矩阵,至少一个第二级多模式端口矩阵,方位角相位检测器,仰角振幅检测器,多个 移相器和收发器。 天线阵列和第一级多模端口矩阵形成多个正交全向模式。 每个模式都具有特征相位集合。 两个模式的相位用于确定方位角的DOA。 第二级多模式端口矩阵形成和模式和差模式,用于确定接收信号的高程的DOA。 通过调整移相器在接收信号的方向上形成一个波束。
    • 8. 发明授权
    • Antenna for controlling a beam direction both in azimuth and elevation
    • 用于控制方位角和仰角的光束方向的天线
    • US07193574B2
    • 2007-03-20
    • US11065752
    • 2005-02-25
    • Bing A. ChiangMichael James LynchSteven Jeffrey Goldberg
    • Bing A. ChiangMichael James LynchSteven Jeffrey Goldberg
    • H01Q3/00
    • H01Q19/06H01Q19/26H01Q19/28
    • An antenna for controlling a beam direction both in azimuth and elevation is disclosed. An antenna comprises a ground plane, at least one active element, and a plurality of passive elements. Both an upper half and a lower half of the passive elements are connected to the ground plane with variable reactive loads, whereby elevation angle of the radio beam is controlled by adjusting the variable reactive loads. Alternatively, an antenna may comprise a radio frequency (RF) choke coupled to the ground plane, whereby an elevation angle of the radio beam is controlled by controlling the RF choke. Alternatively, an antenna comprises a variable lens for changing a wave front of a radio wave which is passing through the variable lens, whereby the beam width and direction are controlled by the variable lens.
    • 公开了一种用于控制方位和仰角的光束方向的天线。 天线包括接地平面,至少一个有源元件和多个无源元件。 无源元件的上半部分和下半部分均连接到具有可变无功负载的接地平面,由此通过调整可变无功负载来控制无线电波束的仰角。 或者,天线可以包括耦合到接地平面的射频(RF)扼流圈,由此通过控制RF扼流圈来控制无线电波束的仰角。 或者,天线包括用于改变通过可变透镜的无线电波的波前的可变透镜,由此可变透镜控制光束宽度和方向。
    • 10. 发明申请
    • WIRELESS COMMUNICATION APPARATUS FOR DETERMINING DIRECTION OF ARRIVAL INFORMATION TO FORM A THREE-DIMENSIONAL BEAM USED BY A TRANSCEIVER
    • 用于确定到达信息的方向的无线通信装置形成由收发器使用的三维光束
    • US20080303718A1
    • 2008-12-11
    • US12192477
    • 2008-08-15
    • Bing A. ChiangSteven Jeffrey GoldbergMichael James Lynch
    • Bing A. ChiangSteven Jeffrey GoldbergMichael James Lynch
    • H01Q3/00G01S3/02
    • H01Q3/40H01Q21/205H01Q25/02H04B7/0617H04B7/086
    • A wireless communication method and antenna system for determining the direction of arrival (DOA) of received signals in azimuth and elevation, (i.e., in three dimensions), to form a beam for transmitting and receiving signals. The system includes two antenna arrays, each having a plurality of antenna elements, two first stage multi-mode-port matrices, at least one second stage multi-mode-port matrix, an azimuth phase detector, an elevation amplitude detector, a plurality of phase shifters and a transceiver. The antenna arrays and the first stage multi-mode-port matrices form a plurality of orthogonal omni-directional modes. Each of the modes has a characteristic phase set. Two of the modes' phases are used to determine DOA in azimuth. The second stage multi-mode-port matrix forms a sum-mode and a difference-mode used to determine the DOA of the received signals in elevation. A beam is formed in the direction of the received signals by adjusting the phase shifters.
    • 一种无线通信方法和天线系统,用于确定方位和高程(即,三维)中的接收信号的到达方向(DOA),以形成用于发送和接收信号的波束。 该系统包括两个天线阵列,每个天线阵列具有多个天线元件,两个第一级多模式端口矩阵,至少一个第二级多模式端口矩阵,方位角相位检测器,仰角振幅检测器,多个 移相器和收发器。 天线阵列和第一级多模端口矩阵形成多个正交全向模式。 每个模式都具有特征相位集合。 两个模式的相位用于确定方位角的DOA。 第二级多模式端口矩阵形成和模式和差模式,用于确定接收信号的高程的DOA。 通过调整移相器在接收信号的方向上形成一个波束。