Publications

Journals (refereed)

• Hiroaki Hashida, Yuichi Kawamoto, and Nei Kato,
  "Machine Learning-based Infrastructure Sharing and Shared Operations for Intelligent Reflecting Surface-aided Communications,"
  IEEE Transactions on Cognitive Communications and Networking, vol. 10, no. 1, pp. 198-208, Feb. 2024.
  [paper] [pdf(private)]

• Hiroaki Hashida, Yuichi Kawamoto, and Nei Kato,
  "Selective Reflection Control: Distributed IRS-Aided Communication with Partial Channel State Information,"
  IEEE Transactions on Vehicular Technology, vol. 71, no. 11, pp. 11949-11958, Nov. 2022.
  [paper] [pdf(private)]

• Hiroaki Hashida, Yuichi Kawamoto, and Nei Kato,
  "Adaptive Pilot Interval Optimization for Intelligent Reflecting Surface-aided Communication Systems,"
  IEEE Transactions on Vehicular Technology, vol. 71, no. 7, pp. 7963-7966, Jul. 2022.
  [paper] [pdf(private)]

• Hiroaki Hashida, Yuichi Kawamoto, Nei Kato, Masashi Iwabuchi, and Tomoki Murakami,
  "Mobility-aware User Association Strategy for IRS-aided mm-wave Multi-beam Transmission Towards 6G,"
  IEEE Journal on Selected Areas in Communications, vol. 40, no.5, pp. 1667-1678, May 2022.
  [paper] [pdf(private)]

• Hiroaki Hashida, Yuichi Kawamoto, and Nei Kato,
  "Intelligent Reflecting Surface Placement Optimization in Air-Ground Communication Networks Toward 6G,"
  IEEE Wireless Communications, vol. 27, no. 6, pp. 146-151, Dec. 2020.
  [paper] [pdf(private)]

• Hiroaki Hashida, Yuichi Kawamoto, and Nei Kato,
  "Efficient Delay-Based Internet-Wide Scanning Method for IoT Devices in Wireless LAN,"
  IEEE Internet of Things Journal, vol. 27, no. 6, pp. 146-151, Dec. 2020.
  [paper] [pdf(private)]

Explanatory Articles

• Hiroaki Hashida, Ei Tanaka, Yuichi Kawamoto, Masashi Iwabuchi, Riku Omiya, Yoghitha Ramamoorthi, and Tomoki Murakami,
  "Beam Squint-aware Frequency Resource Allocation for IRS-aided Communication,"
  Beyond 5G White Paper Supplementary Volume “Relay and Reflector Technologies”, pp.42-46, Mar. 2024.
  [paper] [pdf(private)]

International Conferences (refereed)

• Hiroaki Hashida, Yuichi Kawamoto, and Nei Kato,
  "Sharing Intelligent Reflecting Surface Among Multiple Wireless Communication Systems,"
  IEEE Global Communications Conference (GLOBECOM 2023), Kuala Lumpur, Malaysia, Dec. 2023.
  [paper] [pdf(private)] [slide(private)]

• Hiroaki Hashida, Yuichi Kawamoto, Nei Kato, Masashi Iwabuchi, and Tomoki Murakami,
  "Sharing Intelligent Reflecting Surface Among Multiple Wireless Communication Systems,"
  IEEE Global Communications Conference (GLOBECOM 2022), Rio de Janeiro, Brazil, Dec. 2022.
  [paper] [pdf(private)] [slide(private)]

• Hiroaki Hashida, Yuichi Kawamoto, and Nei Kato,
  "Impact of Internet-Wide Scanning on IoT Data Communication in Wireless LAN,"
  IEEE International Conference on Communications Workshop on Convergent Internet of Things (C-IoT), Virtual Conference, Jun. 2020.
  [paper] [pdf(private)] [slide(private)]

Domestic Conferences / International Conferences (non-refereed)

• 橋田 紘明, 川本 雄一, 加藤 寧,
  "部分的遮蔽モデルに基づくIntelligent Reflecting Surfaceの設置面積最適化,"
  電子情報通信学会技術研究報告, vol. 124, no. 84, RCS2024-80, pp. 305-310, 2024年6月.
  [paper] [pdf(private)] [slide(private)]

• 田名部勇吾, 橋田 紘明, 川本 雄一, 加藤 寧,
  "環境変化に追従するIntelligent Reflecting Surface制御のための階層型コードブック構築に関する検討,"
  電子情報通信学会技術研究報告, vol. 124, no. 84, RCS2024-75, pp. 276-280, 2024年6月.
  [paper] [pdf(private)]

• 飯塚晃輝, 橋田 紘明, 川本 雄一, 加藤 寧,
  "WLANにおけるMulti-AP連携の通信性能向上のための連携機能選択の提案,"
  電子情報通信学会技術研究報告, vol. 124, no. 84, RCS2024-74, pp. 271-275, 2024年6月.
  [paper] [pdf(private)]

• 橋田 紘明, 川本 雄一, 加藤 寧,
  "近傍/遠方界におけるIntelligent Reflecting Surface の反射特性,"
  電子情報通信学会総合大会, B-5A-31, 広島県東広島市,2024年3月.
  [program] [pdf(private)] [slide(private)]

• Hiroaki Hashida,
  "Performance Analysis: Near-/ Far-Field Behaviors of Intelligent Reflecting Surface and Metallic Wall,"
  A3 Foresight Program 2024 Workshop, Naha, Okinawa, Japan, Feb. 2024.
  [poster(private)]

• Hiroaki Hashida,
  "Sharing Intelligent Reflecting Surface among Multiple Mobile Network Operator,"
  A3 Foresight Program 2023 Workshop, Nanjing, China, Sep. 2023.
  [slide(private)]

• 橋田紘明，川本雄一，加藤寧,
  "Intelligent Reflecting Surfaceの複数事業者間共用,"
  電子情報通信学会技術研究報告, vol. 123, no. 172, RCS2023-113, pp. 55-60, 2023年8月.
  [paper] [pdf(private)] [slide(private)]

• 橋田紘明，川本雄一，加藤寧,
  "機械学習を用いたIntelligent Reflecting Surfaceの通信事業者間共用手法,"
  電子情報通信学会総合大会, B-5-24，埼玉県さいたま市, 2023年3月.
  [program] [pdf(private)] [slide(private)]

• 川本雄一，橋田紘明，加藤寧,
  "テラヘルツ帯無線LANの実現に向けたIRSを利用したアクセスポイント連携高度化技術,"
  電子情報通信学会総合大会, B-5-141，埼玉県さいたま市, 2023年3月.
  [program] [pdf(private)]

  [slide(private)]

• Hiroaki Hashida,
  "Infrastructure Sharing and Shared Operations for Intelligent Reflecting Surface-aided communications,"
  A3 Foresight Program 2023 Workshop, Seoul, Korea, Feb. 2023.
  [slide(private)]

• Hiroaki Hashida,
  "Deep Reinforcement Learning-empowered passive beamforming design in IRS-aided Communications Without Channel State Information,"
  A3 Foresight Program 2022 Workshop, Tokyo, Japan, Dec. 2022.
  [slide(private)]

• 橋田紘明，日比龍平，川本雄一，加藤寧，江南俊夫，野本博之，阿野進,
  "60GHz帯における透明反射フィルムの電波反射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, vol. 122, no. 252, pp. 31-36, 2022年11月.
  [paper] [pdf(private)] [slide(private)]

• 橋田紘明，川本雄一，加藤寧，岩渕匡史，村上友規,
  "深層強化学習によるチャネル状態情報を用いないIntelligent Reflecting Surfaceの制御方法に関する検討,"
  電子情報通信学会技術研究報告, vol. 122, no. 106, RCS2022-85, pp. 84-89, 2022年7月.
  [paper] [pdf(private)] [slide(private)]

• 橋田紘明, 川本雄一, 加藤寧, 岩渕匡史, 村上友規,
  "［奨励講演］マルチビーム通信システムにおけるユーザモビリティを考慮したIntelligent Reflecting Surface の割り当てに関する検討,"
  電子情報通信学会技術研究報告, vol. 121, no. 234, RCS2021-169, pp. 136-141, 2021年11月.
  [paper] [pdf(private)] [slide(private)]

• 橋田紘明，川本雄一，加藤寧,
  "Intelligent Reflecting Surfaceを用いたマルチビーム空間多重に関する検討,"
  電子情報通信学会ソサイエティ大会, B-5-46, オンライン, 2021年9月.
  [program] [pdf(private)] [slide(private)]

• 橋田紘明, 川本雄一, 加藤寧,
  "Intelligent Reflecting Surfaceを用いた移動通信システムにおける選択的反射制御手法の提案,"
  電子情報通信学会総合大会, オンライン, 2021年3月.
  [program] [pdf(private)] [slide(private)]

• 橋田紘明, 川本雄一, 加藤寧,
  "選択的反射制御に基づくIntelligent Reflecting Surfaceを用いた通信システムにおけるチャネル推定オーバヘッドの削減に関する検討,"
  電子情報通信学会技術研究報告, vol. 120, no. 404, RCS2020-250, pp. 212-217, 2021年3月.
  [paper] [pdf(private)] [slide(private)]

• 橋田紘明, 川本雄一, 加藤寧,
  "移動通信システムにおける伝搬パス損失に基づくIntelligent Reflecting Surface割当手法に関する基礎的検討,"
  電子情報通信学会ソサイエティ大会, B-5-51, オンライン, 2020年9月.
  [program] [pdf(private)] [slide(private)]

• 橋田紘明, 川本雄一, 加藤寧,
  "対空移動通信システムにおけるIntelligent Reflecting Surfaceの配置最適化に関する一検討,"
  電子情報通信学会技術研究報告, vol. 120, no. 89, RCS2020-74, pp. 93-98, 2020年7月.
  [paper] [pdf(private)] [slide(private)]

• 橋田紘明, 川本雄一, 加藤寧,
  "Intelligent Reflecting Surfaceを用いた移動通信システムにおけるセル間干渉制御に関する一検討,"
  電子情報通信学会総合大会, B-6-27，オンライン, 2020年3月.
  [program] [pdf(private)] [slide(private)]

• Hiroaki Hashida,
  "Adaptive Scanning Packet Transmission Control for IoT Devices in Wireless LAN,"
  NSFC-JSPS Collaborative Research Project Workshop, Beijing, China, Nov. 2019.
  [slide(private)]

• 橋田紘明, 川本雄一, 加藤寧,
  "広域ネットワークスキャンが無線LANにおける正規通信に及ぼす影響の解析に関する研究,"
  電子情報通信学会ソサイエティ大会, B-6-8, 大阪府豊中市, 2019年9月.
  [program] [pdf(private)] [slide(private)]

• 橋田紘明, 川本雄一, 加藤寧,
  "無線LANにおける広域ネットワークスキャンが正規通信に及ぼす影響評価モデルの構築に関する一検討,"
  電子情報通信学会技術研究報告, vol. 119, no. 107, NS2019-44, pp. 7-12, 2019年7月.
  [paper] [pdf(private)] [slide(private)]

• 橋田紘明, 川本雄一, 加藤寧,
  "IoTワイヤレス機器に対する広域ネットワークスキャン技術の研究-無線LAN を対象としたネットワークスキャンによる通常通信スループットへの影響の評価,"
  電子情報通信学会総合大会, B-6-45, 東京都新宿区, 2019年3月.
  [program] [pdf(private)] [slide(private)]

Book Chapter

• 江南 俊夫, 野本 博之, 橋田 紘明, 日比 龍平, 川本 雄一, 加藤 寧, 阿野 進,
  "メタマテリアル層を用いた透明フレキシブル電波反射フィルム,"
  AndTech 先端デバイス・マテリアルトレンドレポート, vol. 1, 第2章, 第４節, Jun. 2023.
  [book]

Patents

• 特願2021-209641，川本雄一，橋田紘明，加藤寧，岩渕匡史，村上友規，"無線通信方法、中継割当て方法"

• 特願PCT/JP2022/016069，川本雄一，橋田紘明，日比龍平，加藤寧，"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"

• 特願PCT/JP2023/020628，橋田紘明, 川本雄一, 加藤寧, "IRS制御装置、IRS制御方法及びプログラム"