TOKYO, JAPAN – NTT DOCOMO, INC announced today that it has succeeded in what it believes to be the world's first trial of redirecting millimeter-band (28 GHz) radio waves coming from inside a building to the foot of the building outdoors by bending the radio waves with a film-shaped transmissive metasurface*1 attached to a window surface. The trial was conducted from October to November 2022 at the DOCOMO R&D Center in Yokosuka, Japan, aiming at realization of advanced fifth-generation (5G Evolution) and sixth-generation (6G) mobile communication systems.
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