signals

DOCOMO Develops Solution to Create High-frequency Mobile Cells By Placing Small Plastic Antenna on Dielectric Waveguide Cable

TOKYO, Jan 17, 2022 – (JCN Newswire via SEAPRWire.com) – NTT DOCOMO, INC. announced today that it has developed an antenna system capable of creating a high-frequency mobile communication cell when a small (roughly one cubic centimeter) piece of plastic is placed on top of a dielectric waveguide. The solid plastic cube serves as an... » read more

DOCOMO and AGC Use Metasurface Lens to Enhance Radio Signal Reception Indoors

TOKYO, Jan 26, 2021 – (JCN Newswire) – NTT DOCOMO, INC. and AGC Inc. announced that they have developed a prototype technology that efficiently guides 28-GHz 5G radio signals received from outdoors to specific locations indoors using a film-like metasurface lens that attaches to window surfaces. DOCOMO and AGC also conducted what is believed to... » read more