The University of Tokyo, Fujitsu, Internet Initiative Japan (IIJ), and APRESIA are working on “development of open source software for local 5G/6G mobile systems”, and domestic production and cost reduction of the 5G core network (5GC), which is the core technology of the five mobile phone networks. successful.

5GC is software that controls mobile phone networks, etc. There was a demand for domestic production and low cost toward the realization of “local 5G”.