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Digital broadcasting terrestrial services have been spread all over the world. A portable TV is held by the human hands when a user watches terrestrial digital broadcasting while walking. Hence, we must consider the electromagnetic interaction between the antenna and the human hand. The factors causing the performance degradation of a 4-branch MRC array have been studied. The results show that impedance...
In body area network (BAN) systems, BAN radio devices, such as sensors or access points used for data collection and sending, may be mounted on the waist. The shadowing effects caused by the movement of the arms result in a further severe gain reduction [1]. It is anticipated that the moving characteristics of the arms have a number of differences unique to individual humans, such as asymmetrical...
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