Press Releases : DOCOMO and NEC Launch Japan's First Commercial 5G Core on AWS, Built with World's First AI-automated Network Construction Technology

Press Releases March 2, 2026 DOCOMO and NEC Launch Japan's First Commercial 5G Core on AWS,Built with World's First AI-automated Network Construction Technology Tweet TOKYO, JAPAN, March 2, 2026 --- NTT DOCOMO, INC. and NEC Corporation today announced the launch of Japan's first commercial 5G core network (5GC) on Amazon Web Services (AWS) on February 26.*1 Advanced architecture, constructed using Agentic AI,*2 enables the network to flexibly and rapidly expand capacity, such as dynamically expanding its capacity in response to sudden traffic surges, for dramatically improved reliability, flexibility and sustainability. In a separate world-first achievement,*3 DOCOMO and NTT DOCOMO BUSINESS, Inc. in collaboration with NTT DOCOMO SOLUTIONS, Inc. have also successfully automated 5GC design and construction on AWS. To do this, they leveraged Agentic AI-a combination of AI and GitOps*4 in a hybrid cloud environment. This innovative approach prevents human error and reduces construction time by approximately 80% compared to conventional methods. Operational Concept First in Japan to Construct and Commercially Launch 5GC on AWSIn March 2022, DOCOMO and NEC started verifying 5GC network equipment operating on a hybrid cloud using AWS, aiming to enhance network deployment flexibility and reliability. The process included testing the coordinated operation of the 5GC on AWS and DOCOMO's proprietary virtualization platform,*5 as well as ensuring carrier-grade availability and operabi...