Rchr
J-GLOBAL ID：202001002610796310   Update date: Jan. 08, 2026

Hashida Hiroaki

ハシダ ヒロアキ | Hashida Hiroaki
Affiliation and department：
Tohoku University Frontier Research Institute for Interdisciplinary Sciences Creative Interdisciplinary Research Division

About Tohoku University Frontier Research Institute for Interdisciplinary Sciences Creative Interdisciplinary Research Division


Job title： Assistant Professor
Other affiliations (1)：
Research field  (1)： Information networks
Research keywords  (3)： Intelligent Reflecting Surface ,  Wireless Communications ,  動的電波伝搬制御
Research theme for competitive and other funds  (3)：
  • 2025 - 2028 Development of a Hierarchical Radio Propagation Control for Sustainable and Highly Reliable Wireless Communication Systems
  • 2024 - 2026 異通信システム共用型知能電波反射面の制御方式の構築と持続可能な情報通信網への貢献
  • 2023 - 2024 Designing intelligent reflecting surface-aided next-generation 6G/Beyond-5G wireless networks
Papers (13)：
  • Ryuhei Hibi, Hiroaki Hashida, Yuichi Kawamoto, Nei Kato. Angle-Distance Separated Hierarchical Beam Training With Multi-Focal and Defocal Beams for Large-Scale IRS-Aided Near-Field Communication. IEEE Transactions on Cognitive Communications and Networking. 2026
  • Kazuma Mashiko, Hiroaki Hashida, Yuichi Kawamoto, Nei Kato, Kohei Yoshida, Masayuki Ariyoshi. Spectral-Efficient Dynamic User Association in LEO Satellite Constellation-HAPS Cooperative Networks. IEEE Transactions on Cognitive Communications and Networking. 2026
  • Hiroaki Hashida, Yuichi Kawamoto, Nei Kato. Mathematical Modeling and Deployment Optimization: Intelligent Reflecting Surface-Aided Communications Under Partial Blockages. IEEE Transactions on Cognitive Communications and Networking. 2025
  • Hiroaki Hashida, Yuichi Kawamoto, Nei Kato. Sharing Intelligent Reflecting Surfaces in Multi-Operator Communication Systems for Sustainable 6G Networks. IEEE Wireless Communications. 2025
  • Shupei Zhang, Yuze Zhang, Hiroaki Hashida, Yonina C. Eldar, Marco Di Renzo, Boya Di. Fluid Antenna Systems Enabled by Reconfigurable Holographic Surfaces: Beamforming Design and Experimental Validation. IEEE Journal on Selected Areas in Communications. 2025
ｍore...
MISC (2)：
  • Hiroaki Hashida, Boya Di. Precoding-free Hierarchical Rate-Splitting Multiple Access via Stacked Intelligent Metasurface. 2025
  • Hiroaki Hashida, Ei Tanaka, Yuichi Kawamoto, Masashi Iwabuchi, Riku Omiya, Yoghitha Ramamoorthi, Tomoki Murakami. Beam Squint-aware Frequency Resource Allocation for IRS-aided Communication. Beyond 5G White Paper Supplementary Volume “Relay and Reflector Technologies”. 2024. 42-46
Patents (4)：
  • 無線通信システム及び反射方向制御方法
  • IRS Control Device, Storage Medium, and IRS Control Method
  • 制御装置、コードブック生成装置、制御方法、コードブック生成方法及びプログラム
  • 無線通信方法、中継割当て方法
Books (1)：
  • 先端デバイス・マテリアル トレンドレポート vol. 1
    AndTech 2023 ISBN:9784909118592
Lectures and oral presentations  (60)：
  • 二段階ビーム走査によるIntelligent Reflecting Surfaceの入射角ずれ及び反射角ずれの推定に関する実験的評価
    (電子情報通信学会技術研究報告 2025)
  • Intelligent Reflecting Surfaceの周波数特性に関する実験的評価
    (電子情報通信学会技術研究報告 2025)
  • Multi-AP連携環境下のMulti-Link Operationにおけるリンク別AP選択手法に関する研究
    (電子情報通信学会技術研究報告 2025)
  • Multi-AP連携における通信性能向上のための協調参加AP最適選択の提案
    (電子情報通信学会技術研究報告 2025)
  • 衛星搭載MECを用いたリアルタイム通信のための低遅延化に関する検討
    (第69回宇宙科学技術連合講演会 2025)
ｍore...
Education (4)：
  • 2021 - 2024 Tohoku University Graduate School of Information Sciences Department of Applied Information Sciences
  • 2019 - 2021 Tohoku University Graduate School of Information Sciences Department of Applied Information Sciences
  • 2015 - 2019 Tohoku University Faculty of Engineering Department of Electrical, Information and Physics Engineering
  • 2012 - 2015 宮城県仙台第二高等学校
Professional career (1)：
  • Ph. D. (Tohoku University)
Work history (4)：
  • 2024/07 - 現在 Tohoku University Prominent Research Fellow
  • 2024/04 - 現在 Tohoku University Graduate School of Information Sciences Assistant Professor
  • 2024/04 - 現在 Tohoku University Frontier Research Institute for Interdisciplinary Sciences Creative Interdisciplinary Research Division
  • 2021/04 - 2024/03 Japan Society for the Promotion of Science
Committee career (9)：
  • 2026/01 - 現在 IEEE Sendai Young Professionals Affinity Group Chair
  • 2025/12 - 現在 東京都 OpenRoaming対応Wi-Fi環境整備に係る伴走型技術支援及びガイドライン等作成の業務委託に係る技術審査委員会 委員
  • 2024/10 - 現在 IEEE Internet of things Journal Editor
  • 2022/01 - 2025/12 IEEE Sendai Young Professionals Affinity Group Vice-Chair
  • 2025/05 - 2025/09 東京都 令和7年度島しょ地域における衛星通信を活用したOpenRoaming対応Wi-Fi設置運用業務委託 技術審査委員会 委員
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Awards (14)：
  • 2025/03 - 電子情報通信学会学術奨励賞 近傍/遠方界におけるIntelligent Reflecting Surfaceの反射特性
  • 2025/02 - 2025 International Conference on Computing, Networking and Communications Best Paper Award Frequency Prism-based Beamforming and Resource Allocation in LEO Satellite Networks with Delay Adjustable IRS
  • 2024/12 - IEEE International Conference on Scalable Computing and Communications 2024 IEEE Best Paper Award Optimization of Intelligent Reflecting Surface Dimensions Under Partial Blockages
  • 2024/04 - 東北大学 総長優秀学生賞
  • 2024/03 - Japan Society for the Promotion of Science Ikushi Prize
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Association Membership(s) (2)：
IEICE ,  IEEE
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