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    • 1. 发明公开
    • ANTENNA DEVICE
    • 天线装置
    • EP2712028A1
    • 2014-03-26
    • EP11855239.7
    • 2011-09-30
    • Kuang-Chi Innovative Technology Ltd.Kuang-Chi Institute of Advanced Technology
    • LIU, RuopengXU, GuanxiongYANG, SongtaoLI, Yuefeng
    • H01Q21/00
    • H01Q9/0457H01Q1/38H01Q5/42H01Q9/0442H01Q21/0075H01Q21/061H01Q21/065
    • The present disclosure discloses an antenna device, which comprises an array antenna and a power divider. The array antenna comprises a plurality of antenna units, and each of the antenna units comprises a conductive sheet engraved with a groove topology pattern, conductive feeding points and a feeder line. The power divider is adapted to divide a baseband signal into a plurality of weighted signals and then transmit the weighted signals to the antenna units arranged in an array via the conductive feeding points respectively. By arraying the antenna units and using the beam forming method, the directionality of the antenna can be designed as needed through phase superposition between the antenna units; and then, a reflective metal plate is provided on the back side of the antenna so that a back lobe of the antenna is compressed. In this way, the miniaturized antenna array can obtain a high directionality so as to replace the conventional indoor directional antennae.
    • 本公开公开了一种天线装置,其包括阵列天线和功率分配器。 阵列天线包括多个天线单元,每个天线单元包括雕刻有凹槽拓扑图案的导电片,导电馈电点和馈线。 功率分配器用于将基带信号分成多个加权信号,然后分别通过导电馈点将加权后的信号发送给阵列排列的天线单元。 通过排列天线单元并采用波束形成方法,可以根据需要通过天线单元之间的相位叠加来设计天线的方向性; 然后在天线的背面提供反射金属板,以便压缩天线的后波瓣。 这样,小型化的天线阵列可以获得较高的定向性,以取代传统的室内定向天线。