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Antenna Element Pattern Estimation based on Array Beam Pattern

机译:基于阵列波束方向图的天线方向图估计

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As millimeter-wave (mmWave) communication based on massive multiple input multiple output (MIMO) system has promised as a new technology, beamforming techniques are studied actively to overcome high path-loss. Since antenna element patterns and beam patterns are distorted because of mutual coupling between antennas, it is important to consider practical antenna element radiation pattern when beamforming are studied and used to reflect practical environment. By knowing practical antenna element patterns, mutual coupling problems can be solved and beamforming techniques can be studied more flexibly considering practical environments. It is, however, very difficult to measure antenna element patterns because of small peak gain compared to beam gain. Therefore, we propose an antenna element pattern estimation algorithm based on array beam pattern which can be measured relatively easily.
机译:随着基于大规模多输入多输出(MIMO)系统的毫米波(mmWave)通信有望成为一项新技术,人们正在积极研究波束成形技术以克服高路径损耗。由于天线之间的相互耦合会导致天线元件的方向图和波束方向图失真,因此在研究波束成形并将其用于反映实际环境时,考虑实际的天线元件辐射方向图非常重要。通过了解实际的天线元件方向图,可以解决相互耦合的问题,并且可以在考虑实际环境的情况下更加灵活地研究波束成形技术。但是,由于与波束增益相比峰值增益较小,因此很难测量天线元件的方向图。因此,我们提出了一种基于阵列波束方向图的天线元件方向图估计算法,该算法可以相对容易地进行测量。

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