en.Wedoany.com Reported - NTT Docomo, NEC, 1FINITY, NTT, and Fujitsu announced on June 23, 2026, that their joint proposal has been adopted by Japan's Ministry of Internal Affairs and Communications. The proposal, titled "Research and Development of Mobile Communication Networks for Cross-Band Collaborative Utilization," is part of a new initiative launched by the ministry from fiscal year 2026, called "Research and Development for Expanding Radio Resources."

This research and development targets the 6G era, focusing on the use of artificial intelligence technology to achieve optimal control across multiple frequency bands. The five companies plan to carry out the project over a four-year period from fiscal year 2026 to fiscal year 2029, aiming to significantly reduce network power consumption while improving communication performance in the 6G era.

The specific research and development content is divided into two technical themes. Technical Theme A is "Network Control Technology Based on Advanced vRAN (Virtualized Base Stations)." This technology uses AI to analyze the communication environment and terminal conditions in real time, predicting communication quality from hundreds of milliseconds to several seconds ahead, thereby optimally allocating all radio waves from low to high frequency bands to improve communication speed. By flexibly controlling radio waves and computational processing according to demand, the project aims to build a highly scalable network. Technical Theme B is "Network Construction Technology Contributing to Efficient Frequency Utilization." This theme targets the transitional period of coexistence between 5G and 6G, developing small, low-power base station equipment that supports multiple frequency bands, while establishing technologies for AI-driven dynamic control of high-frequency band applications, as well as flexible inter-base station connection technologies based on wireless links. It aims to achieve high-density network deployment while balancing computational processing efficiency and power consumption reduction.

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