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    • 7. 发明申请
    • MULTI-BEAM SMART ANTENNA FOR WLAN AND PICO CELLULAR APPLICATIONS
    • WLAN和PICO蜂窝应用的多波束智能天线
    • WO2014170785A3
    • 2014-10-23
    • PCT/IB2014/060406
    • 2014-04-03
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
    • SMITH, RolandFRANK, PeterRAYMENT, StephenSHAFAI, LotSKOF, MichaelWIGHT, Jim
    • H01Q9/20H01Q9/32H01Q19/28H01Q19/32
    • Multi-beam smart antenna for WLAN and cellular applications preferably has a steerable antenna system with a dipole antenna element located at the center of a ground plane. A first conductor is oriented parallel and collinear with a second conductor, and the ground plane is located therebetween. Each of first parasitic elements is positioned substantially parallel to the dipole element, and arranged on the upper-side of the ground plane in an array. Each of second parasitic elements is positioned parallel to the dipole element, and arranged on the underside of the ground plane in the same predetermined array. A plurality of switching elements connect parasitic elements and the ground plane to form reflective elements. Each parasitic element and corresponding parasitic element are oriented parallel and collinear with each other. A switching controller controls the switching elements to alter the antenna system's beam pattern by selectively activating or deactivating the reflective elements.
    • 用于WLAN和蜂窝应用的多波束智能天线优选具有可操纵天线系统,其中偶极天线元件位于地平面的中心。 第一导体平行且与第二导体共线,并且接地平面位于其间。 第一寄生元件中的每一个基本上平行于偶极子元件定位,并且以阵列布置在接地平面的上侧。 第二寄生元件中的每一个均平行于偶极子元件定位,并以相同的预定阵列布置在接地平面的下侧。 多个开关元件连接寄生元件和接地平面以形成反射元件。 每个寄生元件和相应的寄生元件彼此平行且共线。 开关控制器通过选择性地激活或去激活反射元件来控制开关元件以改变天线系统的光束图案。