Technical Journal

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

Back number

Latest issue

VOL.26 NO.2
Oct.2024

Special Articles on 3GPP Release 18 Standardization Activities (1)

5G-Advanced Standardization Trends

Standardization of 3GPP Release 18 specifications was completed in June 2024. Since the standardization of Release 15 specifications in June 2018 as the initial version of 5G, 5G commercial services have been spreading ... Read more

5G-Advanced Radio Technologies in 3GPP Release 18

At 3GPP, following the drafting of new radio access technology called NR toward 5G as Release 15 specifications, Release 16/17 specifications were drafted as extensions to that technology. 5G specifications ... Read more

Advanced Technologies for Industry Creation and Solution Co-creation in 3GPP Release 18

The 3GPP Rel-16 and 17 specifications targeted a broad range of use cases and advanced solutions, and Rel-18 includes specifications aimed to create new industries and solutions for social issues. This article ... Read more

Enhanced Mobile Broadband Technologies in 3GPP Release 18

In March 2020, NTT DOCOMO began 5G services using the 3GPP Release 15 standard. 5G services will proliferate from here on, and further improvements in wireless network throughput, capacity, and coverage will ... Read more

Advanced Technologies for Network Energy Saving, Load Balancing, and High Densification in 3GPP Release 18

3GPP Rel-16/17 introduced technologies for increasing data rate and capacity in the mobile communications network and Rel-18 made further extensions. Rel-18 also introduced advanced technologies having a ... Read more

Overview of WIDESTAR III System and Services

WIDESTAR III, which was launched nationwide in October 2023, is a pioneering mobile satellite communications service based on the LTE over GEO satellite system that covers all of Japan and its exclusive economic ... Read more

WIDESTAR III Satellite Mobile Stations

WIDESTAR III, which began operations in October 2023, is the successor to WIDESTAR II, a domestic mobile satellite communications service that has been in operation since 2010. NTT DOCOMO has developed ... Read more

In order to view PDF files, you must have the Adobe® Reader® plug-in offered free of charge from Adobe Systems, Inc. When viewing the PDF files with Adobe® Acrobat®, use version 10 or later.