5/27/2026 (WED) 11:30 ～ 12:10K1-2WJWTPKeynote Speech Venue
Co-evolution" of Terahertz Wireless and Existing Systems
The next-generation mobile communication standard "6G," aiming for commercialization around 2030, plays a role that transcends mere increases in communication speed. Focusing on Cyber-Physical Systems (CPS), which highly integrate the physical and cyber worlds, and Terahertz (THz) wireless, this presentation proposes guidelines centered on the "co-evolution" with existing information and communication systems. 6G is defined not as a replacement for existing technologies, but as a "co-evolution" model where existing networks and new technologies mutually enhance each other within an AI-native environment. Furthermore, regarding design principles, we describe a shift from a "device-centric" approach to a "human-centric" perspective that blends into existing living spaces and liberates human potential. On the technical side, the discussion covers progress in prioritized frequency bands, waveform design, and compact antenna technologies, as well as challenges in radio wave propagation and device heat generation. Finally, based on the international standardization trends of ITU-R, 3GPP, and IEEE 802, we summarize the prospects for a next-generation social infrastructure where existing systems and THz technology are seamlessly integrated.
National Institute of Information and Communications Technology
Beyond Connectivity R&D Promotion UnitIwao Hosako
Dr. Hosako is currently the exective director of the Beyond Connectivity Research and Development Promotion Unit at the National Institute of Information and Communications Technology (NICT). He earned his Doctor of Science. in Solid-State Physics from the University of Tokyo in 1993 and joined NICT after working at NKK Co., Ltd. Since then, he has held various positions, including Director of the Wireless Network Research Center and Director of the Advanced ICT Research Institute. His research fields include terahertz technology, optoelectronics, and advanced ICT devices. He is deeply involved in standardization activities for terahertz wireless communications and currently serves as Vice Chair of the IEEE 802.15 SC-THz. In the area of Beyond 5G/6G research and development, he has led the editing and publication of NICT white papers and is focused on building relevant international collaborations. He also serves as a visiting professor at the University of Tokyo, Osaka University, and Tokyo University of Agriculture and Technology. He has received numerous prestigious awards, including the Maejima Prize and the Award for Distinguished Contributions to Industry-Academia-Government Collaboration. He is a member of the IEEE, JSIR, IEICE, JSAP, and the Physical Society of Japan.
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