Discover how Softbank is redefining the AI domain with its Japan-centric AI cloud platform. Highlighting data sovereignty, Softbank offers a breakthrough solution tailored for enterprises needing local data residency. Enhanced by Nvidia’s cutting-edge technology, this initiative positions Softbank as a formidable player against global cloud providers. Stay ahead in VoIP innovation.
Japan’s telecommunications landscape is experiencing a transformative shift, driven by expanding fiber optic networks. Despite high fiber penetration, there’s continued growth from network upgrades and premium high-speed plans. The shift away from older copper infrastructure is vital as operators push for enhanced VoIP services and ultra-fast connectivity, meeting rising user demands.
Japan is leading the Asia-Pacific region in Open RAN (O-RAN) technology, showcasing its advanced role in integrating virtualized RAN (vRAN) solutions. Rakuten Mobile operates the world’s largest O-RAN network, influencing both domestic and global markets, with telecom giants like NTT Docomo, KDDI, and SoftBank gradually adopting these cutting-edge solutions.
Japan’s telecommunications scene shines with impressive achievements toward broad 5G coverage. SoftBank leads in network speeds, clocking at 62.05 Mbps, while Rakuten Mobile excels in 5G speeds with 128.39 Mbps downloads. However, 5G availability varies, with urban centers receiving priority investment. Despite a 98.4% 5G coverage, true 5G usage inconsistencies persist, highlighting the need for strategic rural advancements.
Rakuten has joined the third phase of Japan’s GENIAC initiative to develop generative AI systems. Backed by METI and NEDO, the project supports research into Japanese language models with enhanced memory and personalization, aiming to strengthen domestic AI capabilities and benefit local industries.
Softbank and Nokia are trialing 6G in Tokyo using the 7GHz spectrum, marking a first for Japan. The tests aim to boost bandwidth and urban coverage. Meanwhile, Softbank is also advancing in AI, planning major investments in artificial super intelligence and U.S. data centers.
KDDI and Okinawa Cellular, in partnership with Starlink, have launched au Starlink Direct — Japan’s first direct-to-device satellite service. Starting April 10, 2025, au users can enjoy seamless connectivity even beyond network zones, enabling emergency alerts, location sharing, and AI-powered assistance, all at no extra cost.
Rakuten Mobile is making waves with its groundbreaking collaboration with Fujitsu to accelerate 5G network expansion in Japan. By incorporating Fujitsu’s energy-efficient 44R21 radio units, Rakuten Mobile is poised to enhance Sub6 network coverage quickly.
SoftBank is investing $25 billion into OpenAI, launching SB OpenAI in Japan to deliver AI-powered enterprise solutions under the Cristal intelligence brand. Partnering with Arm for scalable AI integration, the venture targets major Japanese corporations.
NVIDIA and SoftBank are joining forces to develop Japan’s premier AI supercomputer, leveraging NVIDIA’s Blackwell platform. This strategic partnership aims to advance AI technology and position Japan as a leader in global tech innovation.
