Technical Journal

Technical journals that introduce new technologies, services and R&D activities at NTT DOCOMO and Group companies.

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Latest issue

VOL.24 NO.4
Jun.2023

Special Articles on 5G SA

Overview of 5G Core Network Technologies for 5G SA

NTT DOCOMO deployed the 5G Core network (5GC) to provide 5G SA and launched commercial services for enterprise customers in December 2021. 5GC leverages advanced technologies such as SBA and container infrastructure, ... Read more

Overview of Core Network Technologies for Voice Calls with 5G Standalone

In August 2022, NTT DOCOMO launched a new 5G service with the 5G Standalone deployment model. To provide this service, NTT DOCOMO has introduced new functions to its core network to ... Read more

Radio Base Station Equipment for 5G SA Systems

NTT DOCOMO launched 5G commercial services based on NSA in March 2020, and further launched commercial services based on 5G SA in December 2021, which combines 5GC, a core network facility dedicated to 5G, ... Read more

Technology Reports

Technology to Grade English Speaking

In recent years, English education in Japan has required a balanced acquisition of the four skills of listening, reading, writing, and speaking. Among these skills, particular emphasis is placed on the acquisition of the active skills, writing and speaking. Since it is difficult for an individual to learn ... Read more

Frailty Estimation AI that Uses Smartphone Logs to Reduce the Risk of Needing Aged Care

Frailty indicates the preliminary stage of requiring aged care, in which the functions of the body and mind have weakened with age. There is a growing need for early detection and intervention from ... Read more

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