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Unequally Element Spacing Array Antenna with Butler Matrix Feed for 5G Mobile Base Station

机译:具有5G移动基站的Butler Matrix Feed的Unequally Element间距阵列天线

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This In the next generation mobile system (5G mobile), multi beam base station antennas are needed. An array antenna with a Butler matrix feed circuit is one candidate. A 8 beam array antenna is developed for base station antenna. When element spacing is more than 0.7 wave lengths, a grating lobe appears at a beam far from the center beam. A grating lobe makes strong interferences to other cell. In order to decrease the grating lobes, unequally element spacing is studied. Some unequally patterns of element spacing are tried to achieve grating lobe suppression.
机译:这在下一代移动系统(5G移动)中,需要多光束基站天线。具有Butler矩阵馈电电路的阵列天线是一个候选者。为基站天线开发了8个光束阵列天线。当元素间距大于0.7波长时,光栅叶片出现在远离中心梁的光束处。光栅叶对其他细胞产生强烈的干扰。为了减少光栅裂片,研究了不平体元素间距。尝试了一些不平等的元素间距模式,以实现光栅叶抑制。

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