Mobile communication systems, which are already an indispensable part of the social infrastructure, are undergoing technological development from 5G to Beyond 5G, and then 6G. Meanwhile, telecommunications carriers and mobile service providers need to anticipate the changes that next-generation communication standards will bring and seize next opportunities to win. In this post, we will explore the business opportunities that next-generation wireless communications will bring and how to respond to them, with a focus on telecommunications carriers in Japan.