Experiments of UWB radio-wave diffraction in a building enhanced by a dielectric cylinder on the edge of an obstacle

In this paper we show experimentally that a dielectric cylinder of an appropriate diameter attached to the edge of an obstacle can enhance the weak electric field in the deep geometrical shadow (GS) made by the obstacle in the amount of 20 dB over UWB including a frequency of 5.6 GHz of the wireless...

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Main Authors: Miyashita, Toyokatsu, Kato, Toshitaka, Kashihara, Ayumu, Yangjun Zhang
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creator Miyashita, Toyokatsu
Kato, Toshitaka
Kashihara, Ayumu
Yangjun Zhang
description In this paper we show experimentally that a dielectric cylinder of an appropriate diameter attached to the edge of an obstacle can enhance the weak electric field in the deep geometrical shadow (GS) made by the obstacle in the amount of 20 dB over UWB including a frequency of 5.6 GHz of the wireless LAN. The experimental results are promising for an ad hoc network among mobile terminals in a room or in a building even in the deep GS. These results are experimental developments of our previous theoretically proposed idea of an effective enhancement of the knife-edge diffraction, which is described appropriately by the geometrical theory of diffraction (GTD), by means of a novel dielectric-cylinder-edge diffraction, which should be described in terms of the wave optics.
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title Experiments of UWB radio-wave diffraction in a building enhanced by a dielectric cylinder on the edge of an obstacle
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