| 摘要 |
A behind-the-wall antenna system according to the present invention comprises: a wall; a converging reflector (corner reflector) which reflects radio waves so as to form a region behind the wall in which the electric field strength is great; an antenna arranged in the region between the wall and the converging reflector in which the electric field strength is greater than that in the surroundings; and a transmission path connected to the antenna. A resonance space is formed between the front face of the wall and the converging reflector. Furthermore, the distance between the wall and the reflector is adjusted so as to create an impedance matching state between the antenna and the space on the front side of the wall. With such an arrangement, the radio waves are directly used behind the wall.
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