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Affiliation
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Faculty of Science and Technology, Department of Information and Computer Science ( Yagami )
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Position
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Associate Professor
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E-mail Address
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Related Websites
Adachi, Koichi
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Career 【 Display / hide 】
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2007.04-2009.03
Japan Society for the Promotion of Science, 特別研究員（DC1）
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2009.04
City University of Hong Kong, Visiting Researcher
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2009.04-2010.03
Japan Society for the Promotion of Science, 特別研究員（PD）
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2009.06-2009.08
University of Keng, Visiting Researcher
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2010.04
Keio University, GCOE付き助教
Academic Background 【 Display / hide 】
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2001.04-2005.03
Keio University, 理工学部, 情報工学科
University, Graduated
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2005.04-2007.03
Keio University, 理工学研究科, 開放環境科学専攻
Graduate School, Completed, Master's course
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2007.04-2009.03
Keio University, 理工学研究科, 開放環境科学専攻
Graduate School, Completed, Doctoral course
Academic Degrees 【 Display / hide 】
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Ph.D. IN ENGINEERING, Keio University, Coursework, 2009.03
A Study on Iterative Signal Processing for Multi-Carrier MIMO Transmission
Research Areas 【 Display / hide 】
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Manufacturing Technology (Mechanical Engineering, Electrical and Electronic Engineering, Chemical Engineering) / Communication and network engineering
Papers 【 Display / hide 】
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Out-of-Band Synchronization for Slotted LoRaWAN Using Periodic External Signals
Ibuki Kimpara, Kenji Akasu, and Koichi Adachi
2026 IEEE VTS Asia Pacific Wireless Communications Symposium (APWCS) (Institute of Electrical and Electronics Engineers (IEEE)) 1 - 5 2026.08
Research paper (international conference proceedings), Joint Work, Last author, Corresponding author, Accepted
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Adaptive WPT Beam Time Allocation via Queue-Length Feedback for Indoor SWIPT Systems
Ryosuke Matsuo and Koichi Adachi
2026 IEEE VTS Asia Pacific Wireless Communications Symposium (APWCS) (Institute of Electrical and Electronics Engineers (IEEE)) 1 - 5 2026.08
Research paper (international conference proceedings), Joint Work, Last author, Corresponding author, Accepted
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Evaluating the Effectiveness of PLIM Mapping Design Using past Monthly Data
Atsuhiro Tokita, Osamu Takyu, Koichi Adachi, Mai Ohta, and Takeo Fujii
2026 Seventeenth International Conference on Ubiquitous and Future Networks (ICUFN) 1 - 5 2026.07
Research paper (international conference proceedings), Joint Work, Accepted
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Performance Analysis of FSF-LoRa Under Overlapping Transmissions: From Link-Level Interference to System-Level Throughput
Ryoya Saito, Koichi Adachi
2026 Seventeenth International Conference on Ubiquitous and Future Networks (ICUFN) 1 - 5 2026.07
Research paper (international conference proceedings), Joint Work, Last author, Corresponding author, Accepted
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Distributed Interference Avoidance in LoRaWAN via Spectral Features and Decision Tree
Aoto Kaburaki, Koichi Adachi
IEEE Wireless Commun. Lett. (Institute of Electrical and Electronics Engineers (IEEE)) 15 3846 - 3850 2026.06
Research paper (scientific journal), Joint Work, Last author, Accepted
Presentations 【 Display / hide 】
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熊倉直哉, 齊藤稜弥, 安達宏一
[Domestic presentation] 電子情報通信学会総合大会,
2026.03,Oral presentation (general)
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青木慶太, 田久修, 安達宏一, 太田真衣, 藤井威生
[Domestic presentation] 電子情報通信学会スマート無線（SR）研究会,
2026.03,Oral presentation (general)
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伊藤利, 田久修, 太田真衣, 藤井威生, 安達宏一
[Domestic presentation] 電子情報通信学会総合大会,
2026.03,Oral presentation (general)
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時田惇弘, 田久修, 藤井威生, 安達宏一, 太田真衣
[Domestic presentation] 電子情報通信学会総合大会,
2026.03,Oral presentation (general)
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金原伊吹, 赤須賢司, 安達宏一
[Domestic presentation] 電子情報通信学会総合大会,
2026.03,Oral presentation (general)
Research Projects of Competitive Funds, etc. 【 Display / hide 】
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遅延・ドップラー領域の物理的スパース性を利用した環境適応型ISAC基盤技術の研究開発
2026.08-Present総務省, 持続可能な電波有効利用のための基盤技術研究開発事業, Commissioned ｒesearch, Principal investigator
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チャープ変調を用いる物理空間情報センシングに基づくビームフォーミングに関する研究
2025.04-Present科研費基盤B, Other, Principal investigator
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高度無線環境情報共有型無線センサネットワークの研究開発
2024.04-2026.03総務省, 戦略的情報通信研究開発推進事業フェーズII, Coinvestigator(s)
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ミリ波帯等にお ける移動通信シ ステムの展開に 関する研究開発
2024-Present総務省, 電波資源拡大のための研究開発, Commissioned ｒesearch, No Setting
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高度無線環境情報共有型無線センサネットワークの研究開発
2023.04-2024.03総務省, 戦略的情報通信研究開発推進事業フェーズI, Coinvestigator(s)
Intellectual Property Rights, etc. 【 Display / hide 】
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Radio communication methods and radio communication devices
Date issued： US10470179B2
Date registered： 2019.11
Patent, Joint
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All-digital software-defined cognitive heterogeneous network transceiver architecture
Date issued： US11057879B2
Date registered： 2021.07
Patent, Joint
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情報伝送システム、情報伝送方法、端末プログラムおよび基地局プログラム
Date issued： 7740695
Date registered： 2025.09
Patent, Joint
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通信システム及び通信方法
Date issued： 7738850
Date registered： 2025.09
Patent, Joint
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データ伝送方法
Date issued： 7765779
Date registered： 2025.10
Patent, Joint
Awards 【 Display / hide 】
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Best Paper Award (Co-author))
2025.07, The 13th International Conference on Ubiquitous and Future Networks (ICUFN’25), SR-IoT
Type of Award： Award from international society, conference, symposium, etc.
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通信ソサイエティ活動功労賞
2024.09, 電子情報通信学会
Type of Award： Award from Japanese society, conference, symposium, etc.
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通信ソサイエティ活動功労賞
2024.09, 電子情報通信学会
Type of Award： Award from Japanese society, conference, symposium, etc.
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通信ソサイエティ活動功労賞
2024.09, 電子情報通信学会
Type of Award： Award from Japanese society, conference, symposium, etc.
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Best Paper Award (Co-author)
2022.09, The 13th International Conference on Ubiquitous and Future Networks (ICUFN’22)
Type of Award： Award from international society, conference, symposium, etc.
Courses Taught 【 Display / hide 】
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COMMUNICATION THEORY B
2026
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ONLINE INTERNATIONAL INITIATIVE 1
2026
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HANGAKU-HANKYO PROJECT 2
2026
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GRADUATE RESEARCH ON INFORMATICS, MANAGEMENT, AND HUMAN SCIENCES B1
2026
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ONLINE INTERNATIONAL INITIATIVE 3
2026
Memberships in Academic Societies 【 Display / hide 】
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IEEE,
2005.12-Present -
電子情報通信学会,
2005.04-Present
Committee Experiences 【 Display / hide 】
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2026.01-Present
Chapters Coordination Committee (CCC) Vice-chair, IEEE ComSoc Asia Pacific Region
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2024.01-2025.12
Wireless Communications and Networking (WCN) Technical Committee Chair, APSIPA
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2017.07-2019.03
Associate Editor, IEEE Transactions on Vehicular Technology
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2016.09-2021.03
Editor, IEEE Transactions on Green Communications and Networking
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2016.01-2022.05
Associate Editor, IEEE Wireless Communications Letters
Click to view the Scopus page. The data was downloaded from Scopus API in August 30, 2026, via http://api.elsevier.com and http://www.scopus.com .