Japan's eight telecommunications companies - Nippon Telegraph and Telephone Corporation, NTT East, NTT West, NTT DOCOMO and NTT Communications (the NTT Group), KDDI Corporation, SoftBank Corp. and Rakuten Mobile - have announced the launch of a new cooperative framework aimed at ensuring the rapid restoration of communication networks in the event of large-scale disasters. The framework officially started on December 1, 2024.

SKY Perfect JSAT, NTT DOCOMO, the National Institute of Information and Communications Technology (NICT), and Panasonic jointly announced that they have successfully conducted a 5G communication verification test in the 38GHz band from an altitude of approximately 4km using a small Cessna aircraft operated by Kyoritsu Air Survey simulating the eventual use of High-Altitude Platform Stations (HAPS). The demonstration was the first of its kind in t...

The completion of the standalone (SA) Release 15 5G specifications has been approved by the 3GPP TSG #80 Plenary Meeting. After the release of the 5G NR specifications for non-standalone (NSA) operation in December 2017, another essential step of standardisation of 5G has been successfully completed.