Network Coverage

Japan's Telecommunications Carriers Team Up to Allocate Areas for Evacuation Shelter Support

Following a powerful earthquake that struck the Noto Peninsula in January 2024, Japan's eight telecommunications companies – NTT, Inc., NTT EAST, NTT WEST, NTT DOCOMO and NTT DOCOMO BUSINESS (the NTT Group), KDDI Corporation, SoftBank Corp…

An Introduction to Optical Communications in Non-terrestrial Networks

Japan’s National Institute of Information and Communications Technology (NICT), Kiyohara Optics, ArkEdge Space and SoftBank Corp. (TOKYO: 9434) recently announced a collaborative agreement to demonstrate optical wireless communications bet…

Behind the Scenes: How SoftBank Corp. Helped Make “Pokémon GO Fest” in Osaka a Success with Network Upgrades

“Pokémon GO Fest” is a series of large-scale events organized by Niantic, developer of the mobile augmented reality (AR) game “Pokémon GO.” Held in cities around the world, Pokémon GO Fest combines the digital gameplay of the mobile app wi…

How SoftBank Corp. is Using Satellites to Make Ubiquitous Connectivity a Reality

SoftBank Corp. (TOKYO: 9434) is promoting a “Ubiquitous Transformation (UTX),” which aims to create a world where people can stay connected anytime and anywhere by combining terrestrial mobile networks with non-terrestrial networks (NTN) s…

Harnessing the Stratosphere: How HAPS is Key to SoftBank Corp.’s Vision for Ubiquitous Connectivity

SoftBank Corp. (TOKYO: 9434) is promoting a “Ubiquitous Transformation (UTX),” which aims to create a world where people can stay connected anytime and anywhere by combining terrestrial mobile networks with non-terrestrial networks (NTN) s…

How eSIM is Driving the Shift Toward Smarter, More Connected Vehicles

eSIM—short for “embedded Subscriber Identity Module”—is seeing increased adoption in smartphones as it offers a number of advantages over traditional plastic SIM cards. For instance, eSIM can be provisioned remotely, eliminating the need t…

SoftBank Corp. Keeps Comic Fans Connected at Tokyo’s Comiket Convention

Since its debut in 1975, Tokyo’s semiannual Comic Market, also commonly known as “Comike” or “Comiket,” has been a cornerstone event for manga and anime fans from all over Japan, and around the world. Held in December and August at Tokyo’s…

SoftBank Corp. Brings Private 5G to Expo 2025 Osaka, Kansai

Expo 2025 Osaka, Kansai (Expo 2025), which runs from April 13 to October 13, is welcoming millions of visitors from around the world, offering them a glimpse into the future of a society powered by AI, robotics and other advanced technolog…

SoftBank Corp. and Cubic³ Envisioning a Ubiquitous Network for the Software-defined Vehicle Era

SoftBank Corp. (TOKYO: 9434) is promoting a “Ubiquitous Transformation (UTX),” which aims to create a world where people can stay connected anytime and anywhere by combining terrestrial mobile networks with non-terrestrial networks (NTN) s…

Keywords Explained: vRAN

A technology that enables base stations to run on software Virtualized radio networks that allow efficient operations and flexible expansion vRAN, short for “virtualized Radio Access Network,” is a technology that implements some of the fu…

SoftBank World 2025 Exhibit Showcases Telecommunications History, and the Next Frontier

On July 16, 2025, SoftBank Corp. (TOKYO: 9434) hosted SoftBank World 2025, a major event for enterprise customers. In addition to keynotes and talk sessions, visitors were invited to explore advanced technologies and services in the neighb…

Base Stations in the Sky: SoftBank Corp. to Launch Pre-commercial HAPS Services for Japan in 2026

To help bridge the digital divide and provide emergency communications during disasters, SoftBank Corp. (TOKYO: 9434) has been actively conducting research and development for its High Altitude Platform Station (HAPS) stratospheric telecom…

SoftBank Corp. and Cubic³ Partner to Bring Connectivity to Vehicles Across All Corners of the Globe

As vehicles increasingly become digital platforms, reliable, seamless connectivity will be crucial for them to remain connected to the Internet, even in areas that ground-based cellular networks can't reach. This will ensure that over-the-…

Half of Consumers Concerned Their Cars Could be Hacked: Cubic³ Survey

As cars become more connected and differentiated by their digital capabilities, today’s drivers are increasingly looking for meaningful digital experiences and personalized services. At the same time, they’re also concerned about safety an…

Unleashing the Potential of SDVs Around the World: Cubic³ Unveils New Brand Identity

Cubic³, a member of SoftBank Corp.’s (TOKYO: 9434) group of companies and a global pioneer in connectivity solutions for software-defined vehicles (SDVs), unveiled a new brand identity on April 3, 2025. Formerly trading under the name of “…

AI-RAN a Game Changer for Mobile Networks: Interview with SoftBank Corp. Principal Fellow Alex Jinsung Choi

Since it first announced its AI-RAN concept in 2023 as a foundation for next-generation mobile networks to support a society that coexists with AI, SoftBank Corp. (TOKYO: 9434) has made significant progress in bringing its vision to realit…

Japan’s Telecommunications Carriers Team Up to Accelerate Disaster Recovery

Almost a year has passed since a powerful magnitude 7.6 earthquake struck the Noto Peninsula, located in Japan’s Ishikawa Prefecture. The natural disaster caused severe damage to local infrastructure and homes in the area, and SoftBank Cor…

Introducing “AITRAS”: SoftBank Corp.’s Solution to Build AI Capabilities on 5G Networks

AI is driving transformative change across industries and enterprises, significantly enhancing productivity and convenience. As applications expand beyond chatbots to other applications, such as the real-time control of robots, drones and …

SoftBank Corp.’s Improved Solar-powered HAPS Aircraft Completes Stratospheric Flight

SoftBank Corp. (TOKYO: 9434) is actively conducting research and development for its HAPS business to help bridge the digital divide and provide emergency communications during disasters. After first its HAPS business in 2017, SoftBank has…

Bridging the Digital Divide: SoftBank Corp.’s Progress in Developing Key Technologies for HAPS

High Altitude Platform Station (HAPS) is an innovative technology that uses uncrewed aircraft positioned in the stratosphere, approximately 20 km above the Earth's surface, to provide stable, high-speed and wide-area connectivity. As a tec…

Cubic Telecom’s View on How Non-terrestrial Networks Will Redefine Vehicle Connectivity

Cubic Telecom, a global leader in software-defined connected vehicle (SDCV) solutions, officially joined SoftBank Corp.’s (TOKYO: 9434) group of companies on March 6, 2024. Working with the world’s leading automotive, transportation and ag…

2024 as the First Year of 6G: How SoftBank Corp. is Getting Ready for a New Era

Following full-fledged commercial rollouts around the world, 5G brought ultra-high speeds, ultra-low latency and massive simultaneous connections to the masses. 6G is expected to bring even more wireless communication advancements and inno…

SoftBank Corp. and University of Miyazaki Develop Power Generation Simulation for Solar-powered HAPS

SoftBank Corp. (TOKYO: 9434) is developing an uncrewed solar-powered aircraft for High Altitude Platform Station (HAPS) stratospheric-based wireless communication systems. Unlike a satellite, it requires energy to maintain a consistent alt…

SoftBank Corp. Launches “Private 5G (Dedicated Type)” Service, Enabling Enterprises to Deploy High-speed, Closed 5G Networks

On March 13, 2024, SoftBank Corp. (TOKYO: 9434) launched its "Private 5G (Dedicated Type)" service that enables enterprises, local governments and other organizations to build customized 5G networks on their premises with dedicated base st…

SoftBank Corp. Leads Global Efforts to Expand Spectrum Crucial to HAPS Services of the Future

From November to December 2023, the International Telecommunication Union (ITU)’s World Radiocommunication Conference 2023 (WRC-23) was held in Dubai, United Arab Emirates. SoftBank Corp. (TOKYO: 9434) was there representing Japan, along w…

Behind the Scenes: SoftBank Corp.’s Initiatives to Restore Communications on the Noto Peninsula

As reported earlier by SoftBank News, on January 1, 2024, a magnitude 7.6 earthquake struck the Noto Peninsula in Ishikawa Prefecture, Japan, and immediately after that SoftBank Corp. (TOKYO: 9434) has been urgently working to restore comm…

SoftBank Corp. Working to Restore Communications in Quake-hit Noto Peninsula with Drone System and Other Means

On January 1, 2024, a magnitude 7.6 earthquake struck the Noto Peninsula in Ishikawa Prefecture, Japan. The earthquake and its aftershocks severely disrupted transportation, power and water supplies and communications. In response, SoftBan…

HAPS Alliance Holds First In-person Only Member Meeting to Accelerate its Mission of Connecting the Unconnected

SoftBank Corp. (TOKYO: 9434), which is developing a High Altitude Platform Station (HAPS) business to offer telecommunication services from the stratosphere, is also a founding and executive member of the HAPS Alliance, an industry associa…

SoftBank Corp. and Yamaha Collaborating to Bring Distant Musicians Closer Together

It can be hard for musicians to assemble in a studio when they live far away from each other, and coordinating studio time can also be difficult. Seeing the need to bring musicians in different locations together, Yamaha Corporation develo…

SoftBank Corp. and Sumitomo Electric Collaborate to Realize 5G-based Smart Factories

In March 2023, SoftBank Corp. (TOKYO: 9434) and Sumitomo Electric Industries, Ltd. announced a partnership aimed at creating smart factories through the utilization of 5G. The collaboration will involve the integration of industrial 5G ter…

SoftBank Corp. Launches Private 5G Service that’s Custom-built for Enterprises

Approximately three years after it began offering commercial 5G services to consumers, SoftBank Corp. (TOKYO: 9434) launched its “Private 5G” service for enterprises in Japan on March 29, 2023. SoftBank’s Private 5G is a managed service th…

Activating Change: SoftBank Corp.’s R&D Arm Unveils Short Film to Convey its Mission

Through the ages, as a catalyst for social change, technology has played a key role in advancing humanity. To create new and better technologies, and to implement them into society to make a positive impact, SoftBank Corp. (TOKYO: 9434)’s …

32 Companies and Organizations from 10 Countries Attend HAPS Alliance’s First In-person Meeting to Further Foster an Ecosystem that Connects the Unconnected

SoftBank Corp. (TOKYO: 9434) and its subsidiary HAPSMobile—which are both developing a High Altitude Platform Station (HAPS) business to offer telecommunication services from the stratosphere—are also founding members of the HAPS Alliance,…

Visiting Japan? How to Stay Connected and Informed if a Disaster Strikes

While Japan was closed to tourism for approximately two years due to the global spread of COVID-19, in June 2022 it reopened its doors to guided tours in limited numbers. In September 2022, Japan began to further relax entry restrictions i…

Keywords Explained: RAN (Radio Access Network)

RAN stands for Radio Access Network, a part of the wireless communication system that runs behind the scenes of mobile phone services. An intermediary for mobile phone services A RAN organizes communication data received from smartphones a…

SoftBank Corp.’s SRv6 MUP Brings Internet Efficiency and Flexibility to 5G Mobile Communications

More than two-thirds of the world’s population—5 billion of us—now subscribe to mobile services according to the GSMA, an industry organization that tracks all things mobile. It’s hardly surprising, then, that 4G networks are straining to …

Growing the HAPS Ecosystem: HAPS Alliance Holds its First Public Event

SoftBank Corp. (TOKYO: 9434) and its subsidiary HAPSMobile—which are both working to provide stratosphere-based telecommunication platforms with a High Altitude Platform Station (HAPS) business—are also founding members of the HAPS Allianc…

SoftBank Wins Two CEATEC AWARD 2021 Category Awards for its Non-Terrestrial Network Solutions and Smart City Platform

SoftBank Corp. (TOKYO: 9434) won two CEATEC AWARD 2021 Category Awards on October 18, 2021, the day before the full launch of CEATEC ONLINE 2021. CEATEC is one of the largest international exhibitions of IT technology and electronics in As…

Making 5G Fast and Comfortable: SoftBank Corp. Devises Measures to Counter the ‘Packet Loss’ Phenomenon

Since it launched commercial 5G services in March 27, 2020, SoftBank Corp. (TOKYO: 9434) has made significant progress in rolling out 5G smartphones and services. As of writing, SoftBank now has over 10 million subscribers signed up to 5G …

Introducing SoftBank Corp.'s High-precision Positioning Service That Provides Centimeter-level Accuracy for Industrial IoT

In the IoT era, where autonomous vehicles, drones, robots and other mobile systems will always be connected to the Internet, highly precise positioning technologies will be indispensable. “ichimill,” an IoT service from SoftBank Corp. (TOK…

SoftBank’s 6G World: New Technology to Usher in Game-changing Wireless Applications—and Some Challenges

While many of us are still considering whether to upgrade to a 5G smartphone, the mobile network operators that brought us 5G and the previous generations of wireless communications are already working on technologies to make 6G a reality.…

SoftBank R&D: Understanding and Creating New Technologies to Lay the Foundation for Future Businesses

Constantly taking up new challenges and continuing to evolve are key to SoftBank’s DNA. Going beyond the boundaries of a telecommunications carrier, SoftBank Corp. (TOKYO: 9434) is committed to pioneering transformative services, and resea…

Unlocking the Power of the Stratosphere: HAPS Alliance Holds its First Member Meeting

HAPSMobile, a SoftBank Corp. (TOKYO: 9434) subsidiary that is working to provide stratosphere-based telecommunication platforms through its High Altitude Platform Station (HAPS) business, is a founding member of the HAPS Alliance, an indus…

SoftBank R&D: Evaluating the Latest Technologies with a View to Commercialization

Constantly taking up new challenges and continuing to evolve are key to SoftBank’s DNA. Going beyond the boundaries of a telecommunications carrier, SoftBank Corp. (TOKYO: 9434) is committed to pioneering transformative services, and resea…

SoftBank R&D: Revolutionizing Communication Technologies to Change the World

Constantly taking up new challenges and continuing to evolve are key to SoftBank’s DNA. Going beyond the boundaries of a telecommunications carrier, SoftBank Corp. (TOKYO: 9434) is committed to pioneering transformative services, and resea…

How Do Mobile Networks in Japan Compare to Others Around the World? Opensignal’s Report Offers Insights

On October 2, 2020, UK-based mobile analytics firm Opensignal announced its Global Mobile Network Experiences Awards 2020, and in its report SoftBank Corp. (TOKYO: 9434) was ranked the global no. 1 carrier for Voice App Experience and no. …

HAPSMobile’s Stratospheric Test Flight Opens A New Chapter for the Internet

HAPSMobile Inc., a SoftBank Corp. (TOKYO: 9434) subsidiary launched in 2017 with the mission of bridging the digital divide, marked two major milestones on September 21, 2020. First, the solar-powered, unmanned aircraft “Sunglider” took fl…

Satellite Phones Strengthen Bonds of Friendship Between Japan and Palau

Emperor Akihito’s ascension to the throne in May 2019 marked the start of the Reiwa era in Japan. 2019 also marked the 25th anniversary of the Republic of Palau’s independence and the start of diplomatic relations between Palau and Japan. …

How to Stay Informed and Connected in Japan in the Event of a Disaster

Japan has seen typhoons of increasing intensity in recent years. Typhoon Hagibis and Typhoon Faxai caused especially widespread damage, flooding and outages in the Kanto region and other parts of Japan in the fall of 2019. Japan is also pr…

HAPS: Why SoftBank is looking to the stratosphere

HAPSMobile's HAWK30 successfully completed its first test flight at NASA’s Armstrong Flight Research Center on September 11, 2019 Imagine an unmanned aircraft circling the stratosphere, acting as an airborne base station to smoothly transm…