Publication (18)

Journal (5)

• Shunpei Yamaguchi, Shunpei Ohira, Kazuhiro Kizaki, Takuya Fujihashi, Shunsuke Saruwatari, Takashi Watanabe
  "Efficient and Fair Microwave Power Transfer for Multiple IoT Devices"
  Journal of Information Processing, Vol.34, No.X, pp.1–11, 2026. internal

• Kentaro Hayashi, Kazuki Aiura, Yuki Tanaka, Kazuhiro Kizaki, Takuya Fujihashi, Shunsuke Saruwatari, Takashi Watanabe
  "Curve Fitting-based Phase Optimization for Microwave Power Transfer"
  IEEE Access, Vol.10, pp.23902–23912, 2022. internal url

• Ousmane Zeba, Kentaro Hayashi, Kazuhiro Kizaki, Shunsuke Saruwatari, Takashi Watanabe
  "QuadScatter: Computational Efficiency in Simultaneous Transmissions for Large-Scale IoT Backscatter Networks"
  IEEE Open Journal of the Computer Society, Vol.2, pp.334–345, 2021. internal url

• Takumasa Ishioka, Kazuki Aiura, Ryota Shiina, Tatsuya Fukui, Tomohiro Taniguchi, Satochi Narikawa, Katsuya Minami, Kazuhiro Kizaki, Takuya Fujihashi, Takashi Watanabe, Shunsuke Saruwatari
  "Design and Prototype Implementation of Software-Defined Radio Over Fiber"
  IEEE Access, Vol.9, pp.72793–72807, 2021. internal url

• Makoto Kobayashi, Ryo Murakami, Kazuhiro Kizaki, Shunsuke Saruwatari, Takashi Watanabe
  "Wireless Full-duplex Medium Access Control for Enhancing Energy Efficiency"
  IEEE Transactions on Green Communications and Networking, Vol.2, No.1, pp.205–221, 2018. url

International Conference (13)

• Daiki Kojima, Yuto Aono, Kazuhiro Kizaki, Makoto Kobayashi, Ayumu Yabuki, Hiroya Oshima, Takuya Fujihashi, Shunsuke Saruwatari, Dinesh Bharadia
  "Implementation and Evaluation of In-Band Full-Duplex in 5G Cellular Networks Using Unmodified COTS UEs"
  ACM Open AI-RAN 26, No.3, pp.1–7, 2026. internal url

• Ryotaro Hada, Shunsuke Saruwatari, Misaki Sakuta, Kazuhiro Kizaki, Takuya Fujiwara, Takuya Fujihashi, Aditya Arun, Dinesh Bharadia
  "XRLoc3D: Single UWB Receiver Array for Real-Time 3D Localization"
  The 32nd Annual International Conference on Mobile Computing and Networking (ACM MobiCom '26), pp.757–779, 2026. internal url

• Akise Kumashiro, Kazuhiro Kizaki, Takuya Fujihashi, Shinya Sugiura, Hiroki Wakatsuchi, Takashi Watanabe, Shunsuke Saruwatari
  "IRS-Aided Microwave Power Transfer Using Curve Fitting-Based Phase Optimization"
  IEEE Vehicular Technology Conference (IEEE VTC2025-Spring), No.3A-4, pp.1–7, 2025. internal url

• Akise Kumashiro, Kazuhiro Kizaki, Takuya Fujihashi, Shinya Sugiura, Hiroki Wakatsuchi, Takashi Watanabe, Shunsuke Saruwatari
  "Demo: Design and Implementation of Intelligent Reflecting Surface for Microwave Power Transmission"
  IEEE International Conference on Computer Communications (IEEE INFOCOM 2025 Demo), pp.1–2, 2025. internal url

• Tom Ogura, Shogo Kitamura, Takuya Fujihashi, Kazuhiro Kizaki, Shunsuke Saruwatari, Takashi Watanabe
  "Semantic Communication for Multiple Vibrotactile Sensors"
  IEEE Global Communications Conference (IEEE GLOBECOM' 23), pp.6946–6951, 2023. internal

• Ryosuke Koizumi, Yohei Konishi, Kazuhiro Kizaki, Takuya Fujihashi, Shunsuke Saruwatari, Takashi Watanabe
  "Asynchronous MAC Protocol for Receiver-Less Backscatter Tag"
  IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), pp.1–6, 2023. internal

• Takuya Fujiwara, Shunpei Yamaguchi, Takumasa Ishioka, Ritsuko Oshima, Jun Oshima, Kazuhiro Kizaki, Takuya Fujihashi, Shunsuke Saruwatari, Takashi Watanabe
  "An IoT System for Collaboration Analytics in Hybrid Learning Environments"
  IEEE International Conference on Advanced Learning Technologies (ICALT), pp.132–133, 2023. internal

• Yohei Konishi, Shinsuke Ibi, Kazuhiro Kizaki, Takuya Fujihashi, Shunsuke Saruwatari, Takashi Watanabe
  "Harmonics-Controlled Frequency Division Multiple Access without Harmonics and Sidebands Interference in Backscatter Communications"
  IEEE International Conference on Communications, pp.1–6, 2022. internal

• Kazuki Aiura, Kentaro Hayashi, Yuki Tanaka, Kazuhiro Kizaki, Takuya Fujihashi, Shunsuke Saruwatari, Takashi Watanabe
  "Implementation of Distributed Microwave Power Transfer with Backscatter Feedback and LM-Based Phase Optimization"
  The 40th IEEE International Conference on Consumer Electronics (IEEE ICCE'22), pp.1–6, 2022. internal

• Kazuki Aiura, Takumasa Ishioka, Ryota Shiina, Tatsuya Fukui, Tomohiro Taniguchi, Kazuhiro Kizaki, Takuya Fujihashi, Takashi Watanabe, Shunsuke Saruwatari
  "Design and Prototype Implementation of SD-RoF Networks"
  The 13th International Conference on Mobile Computing and Ubiquitous Networking (IEEE ICMU'21), pp.1–6, 2021. internal

• Kentaro Hayashi, Hikaru Hamase, Jiei Kawasaki, Kazuhiro Kizaki, Yuki Tanaka, Takuya Fujihashi, Shunsuke Saruwatari, Takashi Watanabe
  "Experimental Evaluation on RSSI-based Phase Optimization in Microwave Power Transfer"
  IEEE Vehicular Technology Conference (IEEE VTC'21-Spring), pp.1–6, 2021. internal

• Yohei Konishi, Takayuki Ueda, Kazuhiro Kizaki, Takuya Fujihashi, Shunsuke Saruwatari, Takashi Watanabe
  "Experimental Evaluation on IEEE 802.15.4 Compatible Backscatter"
  IEEE International Conference on Communications (IEEE GLOBECOM '20), pp.1–6, 2020. pdf

• Jiei Kawasaki, Hikaru Hamase, Kazuhiro Kizaki, Shunsuke Saruwatari, Takashi Watanabe
  "Phase-controlled Cooperative Wireless Power Transfer for Backscatter IoT Devices"
  IEEE International Conference on Communications (IEEE ICC'20), pp.1–6, 2020. pdf