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This paper presents a novel concept data collecting device for body-centric wireless communications, smart robe or blanket. It couples to sensor units on human body wirelessly by just putting on the human body. It is consisting of textile-based free access mat. The free access mat is a thin sheet-shaped waveguide which wireless devices can couple to at an arbitrary position on it. We investigate the...
There have been growing interests in body-centric wireless communications. As a new candidate to support on-body propagation, this paper proposes to wear a smart suit, a subsidiary waveguide which wireless devices couple to. Our proposal waveguide is called as a free access mat which limits the arrival domain of radio systems to the area around itself. Wireless devices couple to it and the electromagnetic...
We proposed a free access mat consisting of tightly coupled patch resonator array for an easy and low loss access for short range communications. By numerical simulation we obtained lower loss propagation than the free space transmission for one and two dimensional array models. By measurement we confirmed that this mat has lower loss propagation in the mat than through the free space even when the...
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