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These figures shows the direction of beam patterns that have higher directivity than 7 dBi.
That is, it shows the beam direction when the antenna is viewed from the front, and [0, 0] means the front with an elevation angle of 90¡Æ.
In addition, 17 patterns selected to effectively support a wide range are shown.
The small circles are candidate beam patterns of directional 7 dBi or more, and the large red circles indicate the selected beam patterns.
By using the reactance sets corresponding to the selected 17 beam patterns, beamforming can be effectively performed for the power receivers in various locations.
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IEEE/ICACT20220074 Slide.13
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