2024年の研究業績

区分, 文献内容

国際学術論文

• T. Urakami, H. Jia, N. Chen, and M. Okada, "Self-enhanced multi-task and split federated learning framework for RIS-aided cell-free systems," Internet of Things, vol. 28, p. 101406, 2024.

• T. Urakami, T. Maruyama, S. Nishiyama, M. Kusamizu, A. Ono, and T. Shiozawa, "Interdigital and multi-via structures for mushroom-type metasurface reflectors," IEICE Transactions on Communications, vol. E107-B, no. 2, pp. 309-320, Feb. 2024.
  
  

国際会議論文

• T. Urakami, T. Maruyama, A. Ono, K. Nakamura, N. Chen, and M. Okada, "Reconfigurable convex-type multi-beam metasurface reflector for mmWave application," 2024 International Symposium on Antennas and Propagation (ISAP), FrH2_03, Incheon, Nov. 2024.

• T. Urakami, T. Maruyama, A. Ono, N. Chen, and M. Okada, "Variable multi-band metasurface reflector with controllable direction using varactor diodes mounted large-via mushroom-type structure," 2024 18th European Conference on Antennas and Propagation (EuCAP), pp. 1-5, Glasgow, Mar. 2024.

• T. Urakami, H. Jia, N. Chen, and M. Okada, "IRS-assisted mmWave massive MIMO systems beam training with hybrid CNN encoder-based transformer deep learning model," 2023 IEEE 98th Vehicular Technology Conference (VTC2023-Fall), pp. 1-5, Hong Kong, Oct. 2023.

• T. Urakami, T. Maruyama, S. Nishiyama, M. Kusamizu, A. Ono, and T. Shiozawa, "Reflection phase of mushroom-type metasurface reflector with multi- and single-via structures," Joint Workshop of Thailand-Japan Microwave Workshop and Asian Wireless Power Transfer Workshop (TJMW&AWPT) 2023, pp. 1-3, Bangkok, Dec. 2023.

• K. Kimura, Q.-T. Duong, and M. Okada, "Maximum efficiency investigation of wireless power transfer system using multiple transmission coils," Joint Workshop of Thailand-Japan Microwave Workshop and Asian Wireless Power Transfer Workshop (TJMW&AWPT) 2023, Bangkok, Dec. 2023.

• T. Urakami, H. Jia, D. Zhao, N. Chen, and M. Okada, "Individual-driven spiking-mixer deep learning model for IRS-assisted mmWave systems beam training," 2023 IEEE 12th Global Conference on Consumer Electronics (GCCE), pp. 296-297, Nara, Oct. 2023.

• S. Nishiyama, T. Urakami, T. Maruyama, M. Okada, and A. Ono, "Multi-beam metasurface reflector for energy harvesting to multi-devices in different directions," 2024 International Symposium on Antennas and Propagation (ISAP), FrH2_04, Incheon, Nov. 2024.

• H. Yorioka, K. Nakamura, T. Urakami, K. Kimura, S. Nishiyama, D. Q. Thang, and M. Okada, "MIMO-DWPT with active reflection canceller," IEEE Wireless Power Technology Conference and Expo (WPTCE) 2024, pp. 594-597, Kyoto, May 2024.

• K. Kimura, T. Urakami, and M. Okada, "A study on improvement of efficiency by using voltage amplitude control of transmitting coils for wireless power transfer," 2024 International Workshop on Control, Communications, and Multimedia (IWCCM), Krabi, Feb. 2024.

• S. Nishiyama, T. Urakami, T. Maruyama, and A. Ono, "A simple double-layer transmitarray by using metal vias for 28 GHz linear polarization," 2024 International Workshop on Control, Communications, and Multimedia (IWCCM), Krabi, Feb. 2024.

• H. Yorioka, K. Nakamura, T. Urakami, and M. Okada, "Optimization of power transmission efficiency of DWPT by controlling secondary side power supply," 2024 International Workshop on Control, Communications, and Multimedia (IWCCM), Krabi, Feb. 2024.
  
  

国内学会研究会・シンポジウム等

• 浦上大世, 丸山珠美, 小野安季良, 中村一智, 陳娜, 岡田実, "フレキシブル基板を用いた再構成可能なコンフォーマルメタサーフェス反射板の設計," 電子情報通信学会アンテナ・伝搬研究会, 信学技報, vol. 124, no. 206, AP2024-58, pp. 13-18, Oct. 2024.
  
  

• 浦上大世, 丸山珠美, 小野安季良, 中村一智, 陳娜, 岡田実, "再構成可能なコンベックス型マルチビームメタサーフェス反射板の設計," 電子情報通信学会アンテナ・伝搬研究会, 信学技報, vol. 124, no. 189, AP2024-53, pp. 19-24, Sep. 2024.
  
  

• 浦上大世, 丸山珠美, 小野安季良, 中村一智, 陳娜, 岡田実, "再構成可能なコンベックス型マルチビームメタサーフェス反射板の反射角度範囲拡大に関する一検討," 2024年電子情報通信学会ソサイエティ大会, 大会講演論文集, B-1B-63, Sep. 2024.
  
  

• 浦上大世, 丸山珠美, 小野安季良, 陳娜, 岡田実, "バラクタダイオード装荷型マッシュルーム構造を用いた反射方向と周波数帯を考慮したメタサーフェス反射板," 電子情報通信学会マイクロ波研究会, 信学技報, vol. 123, no. 396, MW2023-190, pp. 78-83, Feb. 2024.
  
  

• 西山真平, 浦上大世, 丸山珠美, 小野安季良, "非対称マルチビームメタサーフェス反射器の設計," 令和6年度電気・電子・情報関係学会四国支部連合大会, 講演論文集, 12-11, p. 88, Sep. 2024.
  
  

• 岡田哉汰, 西山真平, 浦上大世, 小野安季良, "六角形セルメタサーフェスの偏波特性," 令和6年度電気・電子・情報関係学会四国支部連合大会, 講演論文集, 12-9, p. 86, Sep. 2024.
  
  

• 依岡寛人, 中村一智, 木村圭吾, 浦上大世, 西山真平, ドゥオンクォンタン, 岡田実, "二次側RF電源の振幅・位相制御によるDWPTの電力伝送効率最適化," 電子情報通信学会無線電力伝送研究会, 信学技報, vol. 123, no. 437, WPT2023-42, pp. 37-42, Mar. 2024.
  
  

• 西山真平, 浦上大世, 中村一智, 依岡寛人, 丸山珠美, 岡田実, 小野安季良, "多端末無線電力伝送に向けたマルチビームメタサーフェス反射器," 電子情報通信学会無線電力伝送研究会, 信学技報, vol. 123, no. 437, WPT2023-39, pp. 20-25, Mar. 2024.
  
  

• 西山真平, 浦上大世, 丸山珠美, 小野安季良, "八角形リングパッチを用いたメタサーフェス反射器," 第29回高専シンポジウム in Nagaoka, C-18, Jan. 2024.