Activities to Revise the Radio Regulations on 5-GHz-band Wireless LANs at WRC-19 and ITU-R

摘要

The World Radiocommunication Conference 2019 (WRC-19) organized by the International Telecommunication Union (ITU) was held from October 28 to November 22, 2019 in Egypt to discuss the revision of the Radio Regulations (RR).The RR specifies international rules for using radio worldwide.At this conference regarding the agenda item on 5-GHz-band wireless local area networks (LANs), especially for outdoor use and higher transmission power of the 5.2-GHz band (5150–5250 MHz), an agreement was successfully reached to revise the RR with conditions consistent with the national regulations in Japan.NTT had been engaged in activities on technical studies, proposal for the revision of the RR, and building consensus for the revision.NTT has also been responsible for this agenda item at WRC-19, ITU-R (ITU Radiocommunication Sector) and the related meetings as delegation members of Japan for three years.This article describes the.