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An Interpretation of Mode-Decoupled MIMO Antennas in Terms of Characteristic Port Modes

机译:用特性端口模式解释模式解耦的MIMO天线

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摘要

If $N$ ports are defined on the moment method model of a radiating structure, so-called characteristic port modes may be computed, using the moment method operator matrix, with respect to these ports. This results in $N$ port excitation vectors (each of length $N$). Each vector excites a radiated field which is orthogonal to the fields excited by any of the other $N$ excitation vectors. It is shown that this may be usefully employed in the design of antennas for multiple-input multiple-output (MIMO) communications, and that recent multimodal/multipolar approaches for MIMO antenna design may be interpreted in terms of such port modes.
机译:如果在辐射结构的矩量法模型上定义了$ N $个端口,则可以使用矩量法算子矩阵针对这些端口计算所谓的特征端口模式。这产生了$ N $个端口激励向量(每个长度为$ N $)。每个矢量激发一个辐射场,该辐射场与其他任何$ N $激发矢量激发的场正交。示出了这可以在用于多输入多输出(MIMO)通信的天线的设计中有用地采用,并且可以根据这种端口模式来解释用于MIMO天线设计的最新的多模态/多极方法。

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