DOCOMO carries out 5G field trial at 28GHz to demo high speed mobility

10 May 2018

Japan’s NTT DOCOMO is claiming a world first, with the successful completion of a 5G field trial at 28GHz, involving a 5G base station and a car travelling at around 293km/h (189mph). The mobile operator says the speeds used in the trials were designed to replicate those found on Japan’s high speed trains, whilst network handoffs were also tested. Working with NEC and parent company Nippon Telegraph and Telephone Corporation (NTT Corp), the carrier said the trials achieved 1.1Gbps ultra-high speed data transmission via downlink to the 5G mobile station. The trials took place in April 2018 at the Japan Automobile Research Institute (JARI) using 700 megahertz of spectrum, and also included a live wireless relay of 4K high-frame rate video via uplink from a 5G mobile station moving at 200 km/h, according to DOCOMO.