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In this paper, we propose a novel method to mitigate the strong shadowing effect a nearby finger has on the antenna of a handheld communications device operating at 60 GHz, by introducing reflectors on the device. When the finger is located at the distance of 3 mm of the antenna, it causes strong shadowing and the far-field radiation attenuation behind the finger is 25–34 dB. In this paper, we show...
Deterministic field prediction has been widely used to provide channel data for coverage analysis. Among these prediction tools, point cloud-based methods have been developed for millimeter-wave frequencies in order to characterize the environment with higher precision, but they have not taken into account all the necessary propagation mechanisms. In this paper, we present the implementation for predicting...
In this paper, the loading effect and far-field pattern degradation caused by a finger is studied for antennas that can be considered for future user devices operating at 60 GHz. It is found that if a finger is located closer than 2 mm to the antenna, the antenna matching is severely detuned and the antenna radiation efficiency is degraded. For patch and dipole antennas, the far-field radiation behind...
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