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Fujii Takeo  藤井 威生

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FUJII Takeo  藤井 威生

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Researcher Number 10327710
Other IDs
External Links
Affiliation (Current) 2020: 電気通信大学, 先端ワイヤレス・コミュニケーション研究センター, 教授
Affiliation (based on the past Project Information) *help 2014 – 2020: 電気通信大学, 先端ワイヤレス・コミュニケーション研究センター, 教授
2015 – 2016: 電気通信大学, 学内共同利用施設等, 教授
2015: 電気通信大学, 先端ワイヤレス・コミュニケーション研究センター等, 教授
2014: 電気通信大学, 先端ワイヤレスコミュニケーション研究センター, 教授
2007 – 2013: 電気通信大学, 先端ワイヤレスコミュニケーション研究センター, 准教授 … More
2009: The University of Electro-Communications, 先端ワイヤレスコミュニケーシュン研究センター, 准教授
2006: The University of Electro-communications, Advanced Wireless Communication Research Center, Associate Professor, 先端ワイヤレスコミュニケーション研究センター, 助教授
2005: 東京農工大学, 大学院・共生科学技術研究部, 助手
2005: 東京農工大学, 大学院共生科学技術研究部, 助手 Less
Review Section/Research Field
Principal Investigator
Communication/Network engineering / Basic Section 21020:Communication and network engineering-related
Except Principal Investigator
Communication/Network engineering / Medium-sized Section 21:Electrical and electronic engineering and related fields
Keywords
Principal Investigator
通信方式 / コグニティブ無線 / 周波数共用 / 無線環境データベース / ITS / クラウドセンシング / 基地局連携 / 基地局車両連携 / MC-CDMA / ブロードキャスト … More / サイトダイバーシチ / マルチキャリア / ブロードキャスト通信 / サイト代-バーシチ / 周波数共用技術 / OFDMA / 路車間通信 / 車車間通信 / 物理層セキュリティ / 学習 / 学習アルゴリズム / 電波環境マップ / 無線信号分布測定 / 電波伝搬モデル / 無線信号分布推定 / 車両無線ネットワー / 電波伝搬モデル化 / 自動運転 / 車両無線ネットワーク / 伝搬伝搬モデル化 / 電波伝搬 … More
Except Principal Investigator
情報通信工学 / コグニティブ無線 / 車車間通信 / ソフトウェア無線 / ベースバンド無線 / 到来方向推定 / メッシュネットワーク / MIMO / 双方向中継 / ネットワーク符号 / 与干渉・被干渉回避 / 伝送特性評価 / デモンストレータ / 実験 / 高信頼性ネットワーク / 多入力多出力 / プロトタイピング / 交通事故予防 / 路車協調システム / 車車間通信自律分散情報交換 / 高精度測位 / 無線伝送 / 低相互変調歪回路 / 自律分散情報交換 / 歩行者位置検出 / マンマシンインタフェース / トータルレコーディング / 電波信号処理 / 電磁環境アーカイ ブ / 電磁環境アーカイブ / 電波環境生成 / 伝搬遅延推定 / GPS / ベーバンド無線 / 高度道路交通システム(ITS) / 路車間通信 / ネットワークコーディング / 高精度位置測位 / クロスレイヤ協調 / 大規模シミュレーション / 高度道路交通システム(ITS) / 環境適応通信 / 低電力密度通信 / 受信系非線形問題 / 周波数領域パケット通信 / 技術基準適合証明 / 認証 / コグニテイブ無線 / software defined radio / Technical Regulation Conformity Evaluation / authentication / cognitive radio / ユーザ嗜好 / データベース / 物理層セキュリティ / QoE / リソース割当 / 嗜好解析 / 感情推定 / 移動体通信 / 無線資源配分 / QoS / 学習アルゴリズム / パターンベース / 資源割当 / トラヒック予測 / 統合環境認知 / 皮肉 / 感情 / Twitter / 環境認知 / 通信路状態情報 / 中継器 / ITS / 測位 / レーダ / 自動走行 / レーダー / 通信信頼度 / 走行制御 / 無線センサネットワーク / 確率伝播 / センサネットワーク / SDN / 無線通信 / 有線通信 / ネットワーク / 無線資源 / 環境適応 / 情報システム / 先端的通信 / 無線資源仮想化 / サービスドリブンSDN / 有線・無線ハーモナイズ / 環境適応無線 / end-to-end サービス / .SDN / スマートスペクトラム / 周波数管理 / 周波数利用観測 / 機械学習 / MEC / 周波数共用 / ダイナミックスペクトラムアクセス / 周波数利用モデル化 Less
  • Research Projects

    (18 results)
  • Research Products

    (204 results)
  • Co-Researchers

    (25 People)
  •  Smart spectrum based on learning with multi-dimentional radio environment recognitionOngoing

    • Principal Investigator
      梅林 健太
    • Project Period (FY)
      2018 – 2021
    • Research Category
      Fund for the Promotion of Joint International Research (Fostering Joint International Research (B))
    • Review Section
      Medium-sized Section 21:Electrical and electronic engineering and related fields
    • Research Institution
      Tokyo University of Agriculture and Technology
  •  クラウドセンシングを用いた無線環境相関認識による異種システム周波数共用手法の研究Principal InvestigatorOngoing

    • Principal Investigator
      藤井 威生
    • Project Period (FY)
      2018 – 2020
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 21020:Communication and network engineering-related
    • Research Institution
      The University of Electro-Communications
  •  Radio Environment Recognized Wireless Vehicle Network for Cooperative Automated Driving(Fostering Joint International Research)Principal Investigator

    • Principal Investigator
      Fujii Takeo
    • Project Period (FY)
      2017 – 2019
    • Research Category
      Fund for the Promotion of Joint International Research (Fostering Joint International Research)
    • Research Field
      Communication/Network engineering
    • Research Institution
      The University of Electro-Communications
  •  Mutual Information Passing between Sensor Information Environment and Physical Wireless Environment for High Density Wireless Sensor Networks

    • Principal Investigator
      Takyu Osamu
    • Project Period (FY)
      2017 – 2019
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Communication/Network engineering
    • Research Institution
      Shinshu University
  •  Advanced wireless/wired harmonized SDN

    • Principal Investigator
      Ohashi Masayoshi
    • Project Period (FY)
      2017 – 2019
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Communication/Network engineering
    • Research Institution
      Fukuoka University
  •  Study on Fundamental Techniques for Unified Autonomous and Cooperative Automated Driving System

    • Principal Investigator
      Yamao Yasushi
    • Project Period (FY)
      2016 – 2019
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Communication/Network engineering
    • Research Institution
      The University of Electro-Communications
  •  Self Organized Radio Propagation Modeling using Crowd SensingPrincipal Investigator

    • Principal Investigator
      Fujii Takeo
    • Project Period (FY)
      2015 – 2017
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Communication/Network engineering
    • Research Institution
      The University of Electro-Communications
  •  User Centric Wireless Communications by Traffic Prediction based on Preference Analysis and Integrated Environment Recognition

    • Principal Investigator
      OTSUKI TOMOAKI
    • Project Period (FY)
      2015 – 2017
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Communication/Network engineering
    • Research Institution
      Keio University
  •  Study on Adaptive Baseband Radio

    • Principal Investigator
      Karasawa Yoshio
    • Project Period (FY)
      2013 – 2015
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Communication/Network engineering
    • Research Institution
      The University of Electro-Communications
  •  Height pattern model of radio signal for high dense spectrum sharingPrincipal Investigator

    • Principal Investigator
      FUJII Takeo
    • Project Period (FY)
      2013 – 2014
    • Research Category
      Grant-in-Aid for Challenging Exploratory Research
    • Research Field
      Communication/Network engineering
    • Research Institution
      The University of Electro-Communications
  •  Research on Fundamental Technologies of Integrated Distributed Wireless Network for the Next-generation ITS

    • Principal Investigator
      OBANA Sadao
    • Project Period (FY)
      2012 – 2015
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Communication/Network engineering
    • Research Institution
      The University of Electro-Communications
  •  Secure Cognitive Radio using Physical Layer Security with LearningPrincipal Investigator

    • Principal Investigator
      FUJII Takeo
    • Project Period (FY)
      2012 – 2014
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Communication/Network engineering
    • Research Institution
      The University of Electro-Communications
  •  Study on Development of Electro-Magnetic Environment Archive based on Total Recording Scheme and its Applications

    • Principal Investigator
      KARASAWA Yoshio
    • Project Period (FY)
      2009 – 2012
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Communication/Network engineering
    • Research Institution
      The University of Electro-Communications
  •  Research on the Wireless Network Technologies for the Safety Vehicular Systems

    • Principal Investigator
      NAKAJIMA Nobuo
    • Project Period (FY)
      2008 – 2011
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Communication/Network engineering
    • Research Institution
      The University of Electro-Communications
  •  Spectrum Sharing Techniques of OFDMA Subcarrier Control for Road to Vehicle Communication and Inter Vehicle CommunicationPrincipal Investigator

    • Principal Investigator
      FUJII Takeo
    • Project Period (FY)
      2008 – 2010
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Communication/Network engineering
    • Research Institution
      The University of Electro-Communications
  •  Research and Development of MIMO-OFDM Mesh Network

    • Principal Investigator
      ARAKI Kiyomichi, 荒木 純道
    • Project Period (FY)
      2007 – 2009
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Communication/Network engineering
    • Research Institution
      Tokyo Institute of Technology
  •  アクセスポイント連携ITS路車間通信システムの研究Principal Investigator

    • Principal Investigator
      藤井 威生
    • Project Period (FY)
      2005 – 2006
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Communication/Network engineering
    • Research Institution
      The University of Electro-Communications
      Tokyo University of Agriculture and Technology
  •  Secure Technical Regulation Conformity Evaluation for Software Defined Radio

    • Principal Investigator
      SUZUKI Yasuo
    • Project Period (FY)
      2005 – 2006
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Communication/Network engineering
    • Research Institution
      Tokyo University of Agriculture and Technology

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All Journal Article Presentation

  • [Journal Article] Adaptive Channel Assignment With Predictions of Sensor Results and Channel Occupancy Ratio in PhyC-SN2019

    • Author(s)
      Takyu Osamu、Shirai Keiichiro、Fujii Takeo、Ohta Mai
    • Journal Title

      IEEE Access

      Volume: 7 Pages: 44645-44658

    • DOI

      10.1109/access.2019.2909525

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-17H03264
  • [Journal Article] Modeling the Kriging-Aided Spatial Spectrum Sharing over Log-Normal Channels2019

    • Author(s)
      Koya Sato, Kei Inage, Takeo Fujii
    • Journal Title

      IEEE Wireless Communications Letters

      Volume: Early Access Pages: 1-4

    • DOI

      10.1109/lwc.2018.2890644

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-18H01439
  • [Journal Article] ID Insertion and Data Tracking with Frequency Offset for Physical Wireless Parameter Conversion Sensor Networks2019

    • Author(s)
      Takyu Osamu、Shirai Keiichiro、Ohta Mai、Fujii Takeo
    • Journal Title

      Sensors

      Volume: 19 Pages: 767-767

    • DOI

      10.3390/s19040767

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-17H03264
  • [Journal Article] On the Performance of Neural Network Residual Kriging in Radio Environment Mapping2019

    • Author(s)
      Koya Sato, Kei Inage, and Takeo Fujii
    • Journal Title

      IEEE Access

      Volume: 7 Pages: 94557-94568

    • DOI

      10.1109/access.2019.2928832

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K14988, KAKENHI-PROJECT-18H01439, KAKENHI-PROJECT-16KK0124
  • [Journal Article] Reliable Vehicle-to-Vehicle Communication Using Spectrum Environment Map2018

    • Author(s)
      Shunsuke Tsurumi, Takeo Fujii
    • Journal Title

      Proc. IEEE ICOIN 2018

      Volume: -

    • DOI

      10.1109/icoin.2018.8343131

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-16H02344
  • [Journal Article] コグニティブ無線における低複雑かつ高精度な占有率と遷移率測定法2018

    • Author(s)
      征矢隼人,田久修,白井啓一郎,太田真衣,藤井威生,笹森文仁,半田志郎
    • Journal Title

      電子情報通信学会和文論文誌B

      Volume: J101-B Pages: 133-145

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17H03264
  • [Journal Article] Frequency Correlation of Shadowing over TV Bands in Suburban Area2018

    • Author(s)
      Koya Sato, Kei Inage, Takeo Fujii
    • Journal Title

      Electronics Letters

      Volume: vol.54, no.1 Pages: 6-8

    • DOI

      10.1049/el.2017.2164

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H04004, KAKENHI-PROJECT-17J07568
  • [Journal Article] Low Storage, but Highly Accurate Measurement-Based Spectrum Database via Mesh Clustering2018

    • Author(s)
      Rei Hasegawa, Keita Katagiri, Koya Sato, Takeo Fujii
    • Journal Title

      IEICE Transactions on Communications

      Volume: vol. E101-B Issue: 10 Pages: 1-10

    • DOI

      10.1587/transcom.2017nep0007

      10.1587/transcom.2017NEP0007

    • NAID

      130007494636

    • ISSN
      0916-8516, 1745-1345
    • Language
      English
    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H04004, KAKENHI-PROJECT-15H04010, KAKENHI-PROJECT-17J07568
  • [Journal Article] Fast Rendezvous Scheme with a Few Control Signals for Multi-Channel Cognitive Radio2018

    • Author(s)
      SOYA Hayato、TAKYU Osamu、SHIRAI Keiichiro、OHTA Mai、FUJII Takeo、SASAMORI Fumihito、HANDA Shiro
    • Journal Title

      IEICE Transactions on Communications

      Volume: E101.B Issue: 7 Pages: 1589-1601

    • DOI

      10.1587/transcom.2017cqp0022

      10.1587/transcom.2017CQP0022

    • NAID

      130006316877

    • ISSN
      0916-8516, 1745-1345
    • Language
      English
    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17H03264
  • [Journal Article] Optimal Cluster Head Selection and Rotation of Cognitive Wireless Sensor Networks for Simultaneous Data Gathering and Long Life System2017

    • Author(s)
      Takyu Osamu、Fujii Shohei、Akimoto Youhei、Ohta Mai、Fujii Takeo、Sasamori Fumihito、Handa Shiro
    • Journal Title

      International Journal of Distributed Sensor Networks

      Volume: 13

    • DOI

      10.1177/1550147717747859

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-17H03264, KAKENHI-PROJECT-15K16063
  • [Journal Article] Kriging-Based Interference Power Constraint: Integrated Design of the Radio Environment Map and Transmission Power2017

    • Author(s)
      Koya Sato, Takeo Fujii
    • Journal Title

      IEEE Transactions on Cognitive Communications and Networking

      Volume: 3 Pages: 13-25

    • DOI

      10.1109/tccn.2017.2653189

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-15H04004
  • [Journal Article] Crowdsourcing-Assisted Radio Environment Maps for V2V Communication Systems2017

    • Author(s)
      Katagiri Keita、Sato Koya、Fujii Takeo
    • Journal Title

      Proc. IEEE VTC2017-Fall

      Volume: -

    • DOI

      10.1109/vtcfall.2017.8287980

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-16H02344
  • [Journal Article] Efficient spectrum sharing with avoiding spatial fragmentation of white space2015

    • Author(s)
      T. Kosugi, T. Fujii
    • Journal Title

      ICT Express

      Volume: 1 Pages: 55-58

    • DOI

      10.1016/j.icte.2015.09.002

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-25249056, KAKENHI-PROJECT-15H04004
  • [Journal Article] ユビキタスネットワークにおける位置依存サービスのための高精度位置推定システムの提案と検証2011

    • Author(s)
      服部聖彦, 中村恭平, 中嶋信生, 藤井哲也, 門洋一, 張兵, 高玉圭樹
    • Journal Title

      電子情報通信学会論文誌B

      Volume: J94-B Pages: 1341-1350

    • NAID

      110008749649

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20246066
  • [Journal Article] Experimenton Synchronous Timing Signal Detection from ISDB-T Terrestrial Digital TV Signal with Application to Autonomous Distributed ITS-IVC Network2009

    • Author(s)
      Y. Karasawa, T. Kumagai, A. Takemoto, T. Fujii, K. Ito, and N. Suzuki
    • Journal Title

      IEICE Trans

      Volume: vol.E92-B, no.1 Pages: 296-305

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20246066
  • [Journal Article] Experiment on Synchronous Timing Signal Detection from ISDB-T Terrestrial Digital TV Signal with Application to Autonomous Distributed ITS-IVC Network2009

    • Author(s)
      Y. Karasawa, T. Kumagai, A. Takemoto, T. Fujii, K. Ito, N. Suzuki
    • Journal Title

      電子情報通信学会 Trans. Communications E92-B

      Pages: 296-305

    • NAID

      10026835267

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20246066
  • [Journal Article] Cooperative Relaying MC/DS-CDMA Road to Vehicle Communication System2007

    • Author(s)
      Ranjith Padmasiri, Takeo Fujii, Yasuo Suzuki
    • Journal Title

      信学技報ITS2006-53

      Pages: 59-64

    • NAID

      110006240330

    • Data Source
      KAKENHI-PROJECT-17760297
  • [Journal Article] アドホックコグニティブ無線におけるキャリアセンス閾値の検討2006

    • Author(s)
      内山 博允, 藤井 威生, 梅林 健太, 神谷 幸宏, 鈴木 康夫
    • Journal Title

      2006年電子情報通信学会ソサイエティ大会 B-17-10

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-17560331
  • [Journal Article] A Study on Career Sense Threshold in Ad-hoc Cognitive Radio2006

    • Author(s)
      Hiromasa Uchiyama, Takeo Fujii, Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki
    • Journal Title

      IEICE Society Conference B-17-10

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-17560331
  • [Journal Article] Multi-band ad-hoc cognitive radio for reducing inter system interference2006

    • Author(s)
      Takeo Fujii, Yukihiro Kamiya, Yasuo Suzuki
    • Journal Title

      Proc. IEEE PIMRC 2006

      Pages: 1-5

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-17560331
  • [Journal Article] アドホックコグニティブ無線における既存システムとの相互干渉に関する検討2006

    • Author(s)
      藤井 威生, 神谷 幸宏, 鈴木康夫
    • Journal Title

      電子情報通信学会技術報告 SR2005-70

      Pages: 25-32

    • NAID

      110004690357

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-17560331
  • [Journal Article] アドホックコグニティブ無線における既存システムとの相互干渉に関する検討2006

    • Author(s)
      藤井 威生, 神谷 幸宏, 鈴木 康夫
    • Journal Title

      電子情報通信学会技術報告 SR2005-70

      Pages: 25-32

    • NAID

      110004690357

    • Data Source
      KAKENHI-PROJECT-17560331
  • [Journal Article] アダプティブアレーアンテナとMAC 層を連携させたアドホック無線2006

    • Author(s)
      鷹野 智, 藤井 威生, 梅林 健太, 神谷 幸宏, 鈴木 康夫
    • Journal Title

      2006年電子情報通信学会ソサイエティ大会 B-21-3

    • Data Source
      KAKENHI-PROJECT-17560331
  • [Journal Article] Multi-band ad-hoc cognitive radio for reducing inter system interference2006

    • Author(s)
      Takeo Fujii, Yukihiro Kamiya, Yasuo Suzuki
    • Journal Title

      Proc.IEEE PIMRC 2006

      Pages: 1-5

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-17560331
  • [Journal Article] Multi-band ad-hoc cognitive radio for reducing inter system interference2006

    • Author(s)
      Takeo Fujii, Yukihiro Kamiya, Yasuo Suzuki
    • Journal Title

      Proe. IEEE PIMRC 2006

      Pages: 1-5

    • Data Source
      KAKENHI-PROJECT-17560331
  • [Journal Article] Variable spreading method for MC/DS-CDMA road to vehicle communication system2006

    • Author(s)
      Ranjith Padmasiri, Takeo Fujii, Yukihiro Kamiya, Yasuo Suzuki
    • Journal Title

      Proc. IEEE ISSSTA 2006

      Pages: 113-117

    • Data Source
      KAKENHI-PROJECT-17760297
  • [Journal Article] Frequency sharing hotspot communication using OFDM adaptive array antenna under uplink multi-carrier CDMA cellular system2006

    • Author(s)
      Nguyen Tran Khoa, Takeo Fujii, Yukihiro Kamiya, Yasuo Suzuki
    • Journal Title

      IEEE ISWCS'06

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-17560331
  • [Journal Article] アダプティプアレーアンテナとMAC 層を連携させたアドホック無線2006

    • Author(s)
      鷹野 智, 藤井 威生, 梅林 健太, 神谷 幸宏, 鈴木 康夫
    • Journal Title

      2006年電子情報通信学会ソサイエティ大会 B-21-3

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-17560331
  • [Journal Article] Ad-hoc Wireless System Cooperated with MAC Layer and Adaptive Array Antenna2006

    • Author(s)
      Satoru Takano, Takeo Fujii, Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki
    • Journal Title

      IEICE Society Conference B-21-3

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-17560331
  • [Journal Article] Frequency sharing hotspot communication using OFDM adaptive array antenna under uplink multi-carrier CDMA cellular system2006

    • Author(s)
      Nyugen Tran Khoa, Takeo Fujii, Yukihiro Kamiya, Yasuo Suzuki
    • Journal Title

      IEEE ISWCS'06

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-17560331
  • [Journal Article] MACレイヤー連携アドホックコグニティブ無線2005

    • Author(s)
      藤井 威生, 鈴木 康夫
    • Journal Title

      電子情報通信学会技術報告 SR2005-9

      Pages: 59-66

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-17560331
  • [Journal Article] STBC site diversity for multicarrier CDMA in linear cell system2005

    • Author(s)
      Takeo Fujii, Yukihiro Kamiya, Yasuo Suzuki
    • Journal Title

      Proc.of VTC2005-Spring (CD-ROM)

    • Data Source
      KAKENHI-PROJECT-17760297
  • [Journal Article] Inter System Interference Evaluation between Primary Systems and Ad-hoc Cognitive Radio2005

    • Author(s)
      Takeo FUJII, Yukihiro KAMIYA, Yasuo SUZUKI
    • Journal Title

      IEICE Tech.Rep.SR2005-70

      Pages: 25-32

    • NAID

      110004690357

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-17560331
  • [Journal Article] Ad-hoc cognitive radio - development to frequency sharing system by using multi-hop network2005

    • Author(s)
      Takeo Fujii, Yasuo Suzuki
    • Journal Title

      Proc.IEEE DySPAN 2005

      Pages: 589-592

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-17560331
  • [Journal Article] STBC site diversity using layered code assignment for multicarrier CDMA in multicell system2005

    • Author(s)
      Takeo Fujii, Yukihiro Kamiya, Yasuo Suzuki
    • Journal Title

      Proc.of PIMRC 2005 (CD-ROM)

    • Data Source
      KAKENHI-PROJECT-17760297
  • [Journal Article] Development from Software Defined Radio to Cognitive Radio2005

    • Author(s)
      Yasuo Suzuki, Takeo Fujii
    • Journal Title

      IEICE Tech.Rep.SR2005-48

      Pages: 9-16

    • NAID

      110004019731

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-17560331
  • [Journal Article] MC/DS-CDMAを用いた路車間通信システムの可変拡散方式2005

    • Author(s)
      Ranjith Padmasiri, 藤井 威生, 神谷 幸宏, 鈴木 康夫
    • Journal Title

      SITA 2005 論文集 2

      Pages: 797-800

    • NAID

      10016854622

    • Data Source
      KAKENHI-PROJECT-17760297
  • [Journal Article] ソフトウェア無線からコグニティブ無線へ2005

    • Author(s)
      鈴木 康夫, 藤井 威生
    • Journal Title

      電子情報通信学会技術報告 SR2005-48

      Pages: 9-16

    • NAID

      110004019731

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-17560331
  • [Journal Article] Ad-hoc cognitive radio-development to frequency sharing system by using multi-hop network2005

    • Author(s)
      Takeo Fujii, Yasuo Suzuki
    • Journal Title

      Proc. IEEE DySPAN 2005

      Pages: 589-592

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-17560331
  • [Presentation] 一括集約型無線センサネットワークにおける 姿勢制御アプリケーションでのセンサ情報を削減した送信法の検討2020

    • Author(s)
      天野 直哉、田久 修、 藤井 威生、 太田 真衣
    • Organizer
      電子情報通信学会スマート無線研究会
    • Data Source
      KAKENHI-PROJECT-17H03264
  • [Presentation] 一括集約型無線センサネットワークにおけるセンシング結果の 勾配推定を用いたデータ分離法2020

    • Author(s)
      山崎修平、田久修、白井啓一郎、太田真衣、 藤井威生
    • Organizer
      電子情報通信学会スマート無線研究会
    • Data Source
      KAKENHI-PROJECT-17H03264
  • [Presentation] 誤検出と誤警報を考慮したランデブチャネル法の評価2020

    • Author(s)
      西尾勇樹、田久修、征矢隼人、太田真衣、藤井威生
    • Organizer
      電子情報通信学会 総合大会
    • Data Source
      KAKENHI-PROJECT-17H03264
  • [Presentation] 電波マップの周波数-空間補間に関する検討2020

    • Author(s)
      佐藤光哉, 稲毛契, 藤井威生
    • Organizer
      電子情報通信学会総合大会2020
    • Data Source
      KAKENHI-PROJECT-18H01439
  • [Presentation] クラスタリングを用いた分布蓄積型スペクトラムデータベース2019

    • Author(s)
      上杉遥司、片桐啓太、佐藤光哉、稲毛契、藤井威生
    • Organizer
      電子情報通信学会SR研究会(1月)
    • Data Source
      KAKENHI-PROJECT-18H01439
  • [Presentation] ニューラルネットワークおよび空間内挿に基づく電波環境マップ構築に関する一考察2019

    • Author(s)
      佐藤光哉、稲毛契、藤井威生
    • Organizer
      電子情報通信学会SR研究会(1月)
    • Data Source
      KAKENHI-PROJECT-18H01439
  • [Presentation] Clustering of signal power distribution toward low storage crowdsourced spectrum database2019

    • Author(s)
      Yoji Uesugi, Keita Katagiri, Koya Sato, Kei Inage, Takeo Fujii
    • Organizer
      VTC-Fall2019
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H01439
  • [Presentation] Highly Accurate Prediction of Radio Propagation using Model Classifier2019

    • Author(s)
      Keita Katagiri, Keita Onose Koya Sato, Kei Inage, Takeo Fujii
    • Organizer
      IEEE VTC2019-Spring
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16KK0124
  • [Presentation] 車車間通信向け高精度電波環境推定手法の検討2019

    • Author(s)
      片桐啓太 藤井威生
    • Organizer
      電子情報通信学会SR研究会
    • Data Source
      KAKENHI-PROJECT-16H02344
  • [Presentation] Demo: Highly accurate prediction of radio environment for V2V communications2019

    • Author(s)
      Keita Katagiri, Takeo Fujii
    • Organizer
      IEEE DySPAN 2019
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H01439
  • [Presentation] Demo: Highly accurate prediction of radio environment for V2V communications2019

    • Author(s)
      Keita Katagiri and Takeo Fujii
    • Organizer
      IEEE DYSPAN2019
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16H02344
  • [Presentation] 一括集約型無線センサネットワークにおける 姿勢制御アプリケーションでのスロット数を抑えた送信法の検討2019

    • Author(s)
      天野 直哉、田久 修、 藤井 威生、 太田 真衣
    • Organizer
      電子情報通信学会スマート無線研究会
    • Data Source
      KAKENHI-PROJECT-17H03264
  • [Presentation] Radio environment map updating procedure based on hypothesis testing2019

    • Author(s)
      Keita Katagiri, Takeo Fujii
    • Organizer
      IEEE DySPAN 2019 Workshop DD-DSS,
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H01439
  • [Presentation] セルラシステム帯域における電波環境マップの周波数補間法に関する検討2019

    • Author(s)
      小野瀬圭太、片桐啓太、佐藤光哉、稲毛契、藤井威生
    • Organizer
      電子情報通信学会SR研究会(1月)
    • Data Source
      KAKENHI-PROJECT-18H01439
  • [Presentation] Demo: Highly accurate prediction of radio environment for V2V communications2019

    • Author(s)
      Keita Katagiri and Takeo Fujii
    • Organizer
      IEEE DySPAN 2019
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16KK0124
  • [Presentation] 一括集約型無線センサネットワークにおける 高密度データ分離を実現する送信制御法2019

    • Author(s)
      神尾明典、田久修、太田真衣、 藤井威生、笹森文仁、半田志郎
    • Organizer
      電子情報通信学会 ソサイエティ大会
    • Data Source
      KAKENHI-PROJECT-17H03264
  • [Presentation] A Study of Hidden Node Discrimination Method using Wireless LAN Packets2019

    • Author(s)
      Fumiya Aizawa, Takeo Fujii
    • Organizer
      SmartCom 2019
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H01439
  • [Presentation] モデル分類器を用いた高精度電波環境推定手法の検討2019

    • Author(s)
      片桐啓太、小野瀬圭太、佐藤光哉、稲毛契、藤井威生
    • Organizer
      電子情報通信学会SR研究会(1月)
    • Data Source
      KAKENHI-PROJECT-18H01439
  • [Presentation] 無線LANのパケット解析による隠れ端末状態の識別法2019

    • Author(s)
      神尾明典、田久修、太田真衣、藤井威生、笹森文仁、半田志郎
    • Organizer
      電子情報通信学会総合大会,B17-2
    • Data Source
      KAKENHI-PROJECT-17H03270
  • [Presentation] Highly Accurate Prediction of Radio Propagation using Model Classifier2019

    • Author(s)
      Keita Katagiri, Keita Onose, Koya Sato, Kei Inage, Takeo Fujii
    • Organizer
      IEEE VTC2019-Spring
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H01439
  • [Presentation] 車車間通信向け高精度電波環境推定手法の検討2019

    • Author(s)
      片桐啓太 藤井威生
    • Organizer
      電子情報通信学会SR研究会
    • Data Source
      KAKENHI-PROJECT-16KK0124
  • [Presentation] Experimental Verification of Frequency-Correlation in Radio Propagation Characteristics for Radio Environment Recognition2019

    • Author(s)
      Keita Onose, Koya Sato, Kei Inage, Takeo Fujii
    • Organizer
      ICOIN2019
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H01439
  • [Presentation] 無線物理量変換におけるデータ相関を 活用した情報収集法2019

    • Author(s)
      夏目康平、藤井威生、田久修、太田真衣
    • Organizer
      電子情報通信学会スマート無線研究会
    • Data Source
      KAKENHI-PROJECT-17H03264
  • [Presentation] Network MIMO with Interference Cancellation for Cloud-Cooperated Wireless Sensor Networks2019

    • Author(s)
      Toshiki Nonaka, Takeo Fujii, Osamu Takyu, Mai Ohta,
    • Organizer
      IEEE ICOIN 2019
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H03264
  • [Presentation] 無線LAN の隠れ端末状態におけるMCS 制御を利用した性能改善評価2019

    • Author(s)
      神尾明典、田久修、太田真衣、 藤井威生、笹森文仁、半田志郎
    • Organizer
      電子情報通信学会スマート無線研究会
    • Data Source
      KAKENHI-PROJECT-17H03264
  • [Presentation] 車車間通信向け高精度電波環境推定手法の検討2019

    • Author(s)
      片桐啓太, 藤井威生
    • Organizer
      電子情報通信学会スマート無線研究会
    • Data Source
      KAKENHI-PROJECT-18H01439
  • [Presentation] 車車間通信におけるフィードバックを用いたマルチアンテ ナ逐次干渉除去2019

    • Author(s)
      右手達也,藤井威生
    • Organizer
      電子情報通信学会ITS研究会
    • Data Source
      KAKENHI-PROJECT-16H02344
  • [Presentation] Highly Accurate Prediction of Radio Propagation using Model Classifier2019

    • Author(s)
      Keita Katagiri, Keita Onose Koya Sato, Kei Inage, Takeo Fujii
    • Organizer
      IEEE VTC2019-Spring
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16H02344
  • [Presentation] 無線LAN の隠れ端末状態におけるMCS 制御を利用した性能改善評価2019

    • Author(s)
      神尾明典, 田久修, 太田真衣, 藤井威生, 笹森文仁, 半田志郎
    • Organizer
      電子情報通信学会スマート無線研究会
    • Data Source
      KAKENHI-PROJECT-17H03270
  • [Presentation] クラウドセンシングによる無線環境データベース精度向上のためのキャリブレーション手法2018

    • Author(s)
      伊藤海峰, 小野瀬圭太, 佐藤光哉, 稲毛契, 藤井威生
    • Organizer
      スマート無線研究会, SR2017-103
    • Data Source
      KAKENHI-PROJECT-15H04004
  • [Presentation] Transmit Control for Secure Information Sharing in Untrusted Relay with Two Antennas2018

    • Author(s)
      Tetsuya Noguchi, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki, Fumihito Sasamori, and Shiro Handa
    • Organizer
      IEEE ICOIN 2018
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H04010
  • [Presentation] 非線形占有率測定を利用したACIを回避するマルチチャネル通知法2018

    • Author(s)
      田久修, 太田真衣, 藤井威生
    • Organizer
      電子情報通信学会総合大会2018 B-17-26
    • Data Source
      KAKENHI-PROJECT-17H03264
  • [Presentation] マルチチャネル通知法を利用した制御信号交換プロトコルの提案2018

    • Author(s)
      佐々木友里, 田久修, 太田真衣, 藤井威生, 笹森文仁, 半田志郎
    • Organizer
      電子情報通信学会総合大会2018 B-17-27
    • Data Source
      KAKENHI-PROJECT-17H03264
  • [Presentation] Consideration of security for PLNC with untrusted relay in game theoretic perspective2018

    • Author(s)
      Yusuke Shirasaki, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki, Fumihito Sasamori, Shiro Handa
    • Organizer
      2018 IEEE Radio and Wireless Symposium (RWS 2018)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H04010
  • [Presentation] 無線環境認識の効率化に向けた電波伝搬特性の周波数相関性の実験的検証2018

    • Author(s)
      小野瀬圭太、佐藤光哉、稲毛契、藤井威生
    • Organizer
      電子情報通信学会SR研究会(7月)
    • Data Source
      KAKENHI-PROJECT-18H01439
  • [Presentation] Smart Spectrum Management for V2X2018

    • Author(s)
      Takeo Fujii
    • Organizer
      IEEE DySPAN2018
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H01439
  • [Presentation] Environmental Aware Hierarchical Ad Hoc Network with Multiple Frequency Bands using Weighted Laplacian Matrix2018

    • Author(s)
      Toshiyuki Shizuoka, and Takeo Fujii
    • Organizer
      APSIPA ASC 2018
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H03270
  • [Presentation] 周辺車両情報を用いた信号変動分布の高精度予 測に関する検討2018

    • Author(s)
      片桐啓太, 佐藤光哉, 藤井威生
    • Organizer
      電子情報通信学会研究技術報告
    • Data Source
      KAKENHI-PROJECT-16H02344
  • [Presentation] Power Control exploiting Spectrum Database for V2V Communication Systems2018

    • Author(s)
      Keita Katagiri, Koya Sato, Takeo Fujii
    • Organizer
      SmartCom2018
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H01439
  • [Presentation] 送信レプリカ数適応化を用いたクラ ウド協調型干渉除去付きランダムアクセスネットワーク2018

    • Author(s)
      野中敏希, 藤井威生, 田久修, 太田真衣,
    • Organizer
      電子情報通信学会 技術研究報告書、SR2018-21
    • Data Source
      KAKENHI-PROJECT-17H03264
  • [Presentation] LPWA通信における異種無線システムの周波数共用における干渉耐性能力の評価2018

    • Author(s)
      太田昇吾, 田久修, 太田真衣, 安達宏一, 藤井威生, 笹森文仁, 半田志郎
    • Organizer
      電子情報通信学会総合大会2018 B-17-19
    • Data Source
      KAKENHI-PROJECT-17H03264
  • [Presentation] PhyC-SNにおける優れた信号分離を実現する予測を活用した適応送信制御の一検討2018

    • Author(s)
      福田恭佑、田久修、白井啓一郎、藤井威生、太田真衣、笹森文仁、半田志郎
    • Organizer
      電子情報通信学会 技術研究報告書、SR2018-71
    • Data Source
      KAKENHI-PROJECT-17H03264
  • [Presentation] ランダムアクセスにおけるクラウド協調を用いた衝突解決型無線センサネットワーク2018

    • Author(s)
      野中敏希, 藤井威生, 田久修, 太田真衣
    • Organizer
      電子情報通信学会総合大会2018 B-5-108
    • Data Source
      KAKENHI-PROJECT-17H03264
  • [Presentation] Transmit control and data separation in physical wireless parameter conversion sensor networks with event driven sensors2018

    • Author(s)
      Kyosuke Fukuda; Osamu Takyu; Keiichiro Shirai; Mai Ohta; Takeo Fujii; Fumihito Sasamori; Shiro Handa
    • Organizer
      2018 IEEE Topical Conference on Wireless Sensors and Sensor Networks (WiSNet)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H03264
  • [Presentation] Smart Spectrum Management for V2X2018

    • Author(s)
      Takeo Fujii
    • Organizer
      IEEE DySPAN2018
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16H02344
  • [Presentation] ミラーリングヌルステアリングと人工雑音を利用した多数端末との安全な情報共有を実現するマルチアンテナ中継法の検討2018

    • Author(s)
      野口哲也、田久修、藤井威生、大槻知明
    • Organizer
      電子情報通信学会 技術研究報告書、SR2018-72
    • Data Source
      KAKENHI-PROJECT-17H03264
  • [Presentation] Reliable Vehicle-to-Vehicle Communication Using Spectrum Environment Map2018

    • Author(s)
      Shunsuke Tsurumi, and Takeo Fujii
    • Organizer
      IEEE ICOIN 2018
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H04010
  • [Presentation] Secure Information Sharing with Mirroring Null Steering through Untrusted Relay with Two Antennas2018

    • Author(s)
      Tetsuya Noguchi, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki, Fumihito Sasamori, and Shiro Handa
    • Organizer
      2018 IEEE Radio and Wireless Symposium (RWS 2018)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H04010
  • [Presentation] 一括集約型無線センサネットワークにおける空間相関を利用したエラートラッキング検出法の検討2018

    • Author(s)
      天野直哉、田久修、白井啓一郎、藤井威生、太田真衣、笹森文仁、半田志郎
    • Organizer
      電子情報通信学会 技術研究報告書、SR2018-44
    • Data Source
      KAKENHI-PROJECT-17H03264
  • [Presentation] センシングデータが揺らぐ環境における物理量一括収集法の検討2018

    • Author(s)
      酒井健宏, 田久修, 藤井威生, 太田真衣, 笹森文仁, 半田志郎
    • Organizer
      電子情報通信学会総合大会2018 B-17-20
    • Data Source
      KAKENHI-PROJECT-17H03264
  • [Presentation] 無線機のシステム間干渉耐性能力の明確化と識別方法2018

    • Author(s)
      神戸寛典, 田久修, 太田真衣, 安達宏一, 藤井威生, 笹森文仁, 半田志郎
    • Organizer
      電子情報通信学会総合大会2018 B-17-21
    • Data Source
      KAKENHI-PROJECT-17H03264
  • [Presentation] 一括集約型無線センサネットワークにおけるチャネル割り当てに対する占有率測定法の検討2018

    • Author(s)
      田久修、白井啓一郎、太田真衣、藤井威生
    • Organizer
      電子情報通信学会 技術研究報告書、SR2018-6
    • Data Source
      KAKENHI-PROJECT-17H03264
  • [Presentation] Channel assignment based on predictions of sensing result and channel occupancy rate in PhyC-SN2018

    • Author(s)
      Osamu Takyu, Shohei Fujii, Fumihito Sasamori, Shiro Handa, Mai Ohta, Takeo Fujii
    • Organizer
      2018 IEEE Wireless Communications and Networking Conference (WCNC)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H03264
  • [Presentation] Modified rendezvous scheme with inferring access channel probability of slave by master2018

    • Author(s)
      Hayato Soya; Osamu Takyu; Keiichiro Shirai; Fumihito Sasamori; Shiro Handa; Mai Ohta; Takeo Fujii
    • Organizer
      2018 International Conference on Information Networking (ICOIN)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H03264
  • [Presentation] Impact of Spectrum Database-assisted Any-to-Any Radio Propagation Estimation on Multihop Routing2017

    • Author(s)
      Koya Sato, Kei Inage, Takeo Fujii
    • Organizer
      IEEE SmartCom 2017
    • Place of Presentation
      Oulu (Finland)
    • Year and Date
      2017-05-16
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16H02344
  • [Presentation] 屋内無線LANにおける電波伝搬特性の周波数相関性の検証2017

    • Author(s)
      小野瀬圭太, 佐藤光哉, 稲毛契, 藤井威生
    • Organizer
      電子情報通信学会総合大会2017
    • Place of Presentation
      名城大学(愛知県・名古屋市)
    • Year and Date
      2017-03-22
    • Data Source
      KAKENHI-PROJECT-15H04004
  • [Presentation] 実観測スペクトラムデータベースのためのメッシュクラスタリング2017

    • Author(s)
      長谷川嶺, 藤井威生
    • Organizer
      電子情報通信学会スマート無線研究会
    • Place of Presentation
      ひめぎんホール(愛媛県・松山市)
    • Year and Date
      2017-01-19
    • Data Source
      KAKENHI-PROJECT-15H04004
  • [Presentation] Measurement-based spectrum database with mesh clustering2017

    • Author(s)
      Rei Hasegawa, and Takeo Fujii
    • Organizer
      Proc. ICUFN 2017
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H04010
  • [Presentation] 占有率測定によるアクセスチャネルを推定する学習型占有率測定法によるランデブチャネル法の改良2017

    • Author(s)
      征矢 隼人, 田久 修, 白井 啓一郎, 太田 真衣, 藤井 威生
    • Organizer
      電子情報通信学会 技術研究報告書 SR2017-60
    • Data Source
      KAKENHI-PROJECT-17H03264
  • [Presentation] Open Flow によるトラヒック経路切り替えを利用したマルチチャネルアクセス機構における一検討2017

    • Author(s)
      田久修,木村匠,藤井威生,太田真衣
    • Organizer
      信学技報, vol.117, no. 56, SR2017-14, pp. 81-88, 2017年5月
    • Data Source
      KAKENHI-PROJECT-17H03270
  • [Presentation] Hierarchical Ad Hoc Network with Wireless Environment Recognition2017

    • Author(s)
      Toshiyuki Shizuoka, Osamu Takyu, Mai Ohta, and Takeo Fujii
    • Organizer
      Proc. APSIPA ASC 2017, Kuala Lumpur, Malaysia, Dec. 2017.
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H03270
  • [Presentation] モバイルエッジコンピューティングにおける電波環境情報に基づくタスク割り当てに関する検討2017

    • Author(s)
      佐藤光哉, 藤井威生
    • Organizer
      電子情報通信学会スマート無線研究会
    • Place of Presentation
      ひめぎんホール(愛媛県・松山市)
    • Year and Date
      2017-01-19
    • Data Source
      KAKENHI-PROJECT-15H04004
  • [Presentation] Experimental Verification of Frequency-Correlation for Radio Environment Recognition Using Crowd Sensing2017

    • Author(s)
      Keita Onose, Koya Sato, Kei Inage, Takeo Fujii
    • Organizer
      SmartCom 2017
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H04004
  • [Presentation] Radio environment map construction using Hidden Markov Model in multiple primary user environment2017

    • Author(s)
      Koji Ichikawa, Takeo Fujii
    • Organizer
      IEEE ICNC 2017, Santa Clara(USA)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H04010
  • [Presentation] チャネル利用率推定に基づく高速ランデブチャネルのためのチャネルリストの検討2017

    • Author(s)
      田久 修, 征矢 隼人, 白井 啓一郎, 太田 真衣, 藤井 威生, 笹森 文仁, 半田 志郎
    • Organizer
      電子情報通信学会 技術研究報告書 SR2017-85
    • Data Source
      KAKENHI-PROJECT-17H03264
  • [Presentation] Decentralized Power Allocation for Secondary Random Access in Cognitive Radio Networks with Successive Interference Cancellation2017

    • Author(s)
      Huifa Lin, Koji Ishibashi, Won-Yong Shin, Takeo Fujii
    • Organizer
      IEEE ICC 2016, Kuala Lumpur (Malaysia)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H04010
  • [Presentation] Compensation of survivorship bias in path loss modeling2017

    • Author(s)
      Koya Sato, Kei Inage, Takeo Fujii
    • Organizer
      PIMRC2017
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H04004
  • [Presentation] Measurement-based spectrum database with mesh clustering2017

    • Author(s)
      Rei Hasegawa, Takeo Fujii
    • Organizer
      ICUFN 2017
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H04004
  • [Presentation] 自己組織化マップを用いた実観測型電波環境データ2017

    • Author(s)
      稲毛契, 佐藤光哉, 藤井威生
    • Organizer
      スマート無線研究会, SR2017-1
    • Data Source
      KAKENHI-PROJECT-15H04004
  • [Presentation] Radio Environment Aware Computation Offloading with Multiple Mobile Edge Computing Servers2017

    • Author(s)
      Koya Sato, Takeo Fujii
    • Organizer
      IEEE WCNC Workshop IWSS 2017, San Francisco(USA)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H04010
  • [Presentation] Secure Channel Selection Using Multi-Armed Bandit Algorithm in Cognitive Radio Network2017

    • Author(s)
      M. Endo, T. Ohtsuki, T. Fujii, and O. Takyu
    • Organizer
      IEEE Vehicular Technology Conference (VTC2017-Spring)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H04010
  • [Presentation] 一括集約型無線センサネットワークにおける高精度データ分離を実現する送信制御法2017

    • Author(s)
      福田 恭佑, 田久 修, 白井 啓一郎, 太田 真衣, 藤井 威生, 笹森 文仁, 半田 志郎
    • Organizer
      電子情報通信学会 技術研究報告書 SR2017-48
    • Data Source
      KAKENHI-PROJECT-17H03264
  • [Presentation] Radio Environment Map Construction Using Hidden Markov Model in Multiple Primary User Environment2017

    • Author(s)
      Koji Ichikawa, Takeo Fujii
    • Organizer
      ICNC 2017
    • Place of Presentation
      Santa Clara (USA)
    • Year and Date
      2017-01-26
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H04004
  • [Presentation] Environmental Aware Hierarchical Wireless Ad Hoc Network on Multiple Frequency Bands and Multiple Channels2017

    • Author(s)
      Toshiyuki Shizuoka, Osamu Takyu, Mai Ohta, and Takeo Fujii
    • Organizer
      Proc. SmartCom 2017, Rome, Italy, Oct. 2017
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H03270
  • [Presentation] フェージング環境におけるプライマリユーザ信号の時間的変化を考慮したデータベース精度向上法の検討2016

    • Author(s)
      王昊, 佐藤光哉, 藤井威生
    • Organizer
      電子情報通信学会スマート無線研究会
    • Place of Presentation
      東京工業大学(東京都・目黒区)
    • Year and Date
      2016-03-03
    • Data Source
      KAKENHI-PROJECT-15H04004
  • [Presentation] フェージング環境におけるプライマリユーザ信号 の時間的変化を考慮したデータベース精度向上法の検討2016

    • Author(s)
      王昊, 佐藤光哉, 藤井威生
    • Organizer
      電子情報通信学会スマート無線研究会
    • Place of Presentation
      東京工業大学(東京都・目黒区)
    • Year and Date
      2016-03-03
    • Data Source
      KAKENHI-PROJECT-15H04010
  • [Presentation] 低信頼中継局によるCSI偽装を考慮した最適送信重み設計2016

    • Author(s)
      白崎裕介、松本健吾、田久 修、藤井威生、大槻知明、笹森文仁、半田志郎
    • Organizer
      電子情報通信学会総合大会
    • Place of Presentation
      九州大学(福岡県・福岡市)
    • Year and Date
      2016-03-16
    • Data Source
      KAKENHI-PROJECT-15H04010
  • [Presentation] Optimal Impersonation of CSI for Maximizing Leaked Information to Untrusted Relay in PLNC2016

    • Author(s)
      O. Takyu, K. Matsumoto, T. Fujii, T. Ohtsuki, F. Sasamori, S. Handa
    • Organizer
      IEEE Wireless Communications and Networking Conference (WCNC2016), Doha, Qatar
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H04010
  • [Presentation] 電波環境データベース精度向上のための観測データクラスタリング法2016

    • Author(s)
      長谷川嶺, 王昊, 藤井威生
    • Organizer
      電子情報通信学会総合大会
    • Place of Presentation
      九州大学(福岡県・福岡市)
    • Year and Date
      2016-03-17
    • Data Source
      KAKENHI-PROJECT-15H04004
  • [Presentation] テレビ帯域における受信信号電力の周波数間相関特性2016

    • Author(s)
      佐藤光哉, 藤井威生
    • Organizer
      電子情報通信学会総合大会
    • Place of Presentation
      九州大学(福岡県・福岡市)
    • Year and Date
      2016-03-17
    • Data Source
      KAKENHI-PROJECT-15H04004
  • [Presentation] Optimal Impersonation of CSI for Maximizing Leaked Information to Untrusted Relay in PLNC2016

    • Author(s)
      O. Takyu, K. Matsumoto, T. Fujii, T. Ohtsuki, F. Sasamori, S. Handa
    • Organizer
      IEEE Wireless Communications and Networking Conference (WCNC'2016), Doha, Qatar
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H04010
  • [Presentation] Impact of Spectrum Database-assisted Any-to-Any Radio Propagation Estimation on Multihop Routing2016

    • Author(s)
      Koya Sato, Kei Inage, Takeo Fujii
    • Organizer
      SmartCom 2016
    • Place of Presentation
      Oulu (Finland)
    • Year and Date
      2016-05-16
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H04004
  • [Presentation] Spectrum Database-assisted Radio Propagation Prediction for Wireless Distributed Networks: A Geostatistical Approach2016

    • Author(s)
      Koya Sato, Kei Inage, and Takeo Fujii
    • Organizer
      IEEE PIMRC 2016
    • Place of Presentation
      Valencia (Spain)
    • Year and Date
      2016-09-04
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H04004
  • [Presentation] 電波環境データベース精度向上のための観測デー タクラスタリング法2016

    • Author(s)
      長谷川嶺, 王昊, 藤井威生
    • Organizer
      電子情報通信学会総合大会2016
    • Place of Presentation
      九州大学(福岡県・福岡市)
    • Year and Date
      2016-03-17
    • Data Source
      KAKENHI-PROJECT-15H04010
  • [Presentation] Spectrum Sensing Using Hidden Markov Model for Measurement Based Spectrum Database2016

    • Author(s)
      Koji Ichikawa, Takeo Fujii
    • Organizer
      SmartCom 2016, Oulu(Finland)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H04010
  • [Presentation] Spectrum Sensing Using Hidden Markov Model for Measurement Based Spectrum Database2016

    • Author(s)
      Koji Ichikawa, Takeo Fujii
    • Organizer
      SmartCom 2016
    • Place of Presentation
      Oulu (Finland)
    • Year and Date
      2016-05-16
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H04004
  • [Presentation] Received Power Detection under Multiple ON/OFF Environment for Registering Radio Environment Database2016

    • Author(s)
      Hao Wang, Koya Sato and Takeo Fujii
    • Organizer
      ICTC 2015
    • Place of Presentation
      Jeju Islabnd (Korea)
    • Year and Date
      2016-10-29
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H04004
  • [Presentation] Decentralized power allocation for secondary random access in cognitive radio networks with successive interference cancellation2016

    • Author(s)
      Huifa Lin, Koji Ishibashi, Won-Yong Shin, Takeo Fujii
    • Organizer
      IEEE ICC 2016
    • Place of Presentation
      Kuala Lumpur (Malaysia)
    • Year and Date
      2016-05-22
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H04004
  • [Presentation] 観測に基づくセカンダリユーザの送信電力設計法に関する一検討2015

    • Author(s)
      佐藤光哉, 藤井威生
    • Organizer
      電子情報通信学会ソサイエティ大会
    • Place of Presentation
      東北大学(宮城県・仙台市)
    • Year and Date
      2015-09-09
    • Data Source
      KAKENHI-PROJECT-15H04004
  • [Presentation] 複数アンテナを有する低信頼中継局を利用した物理層ネットワークコーディングにお ける物理層セキュリティを高める準最適送信電力制御2015

    • Author(s)
      山口和馬、田久修、藤井威生、大槻知明、笹森文仁、半田志郎
    • Organizer
      電子情報通信学会総合大会
    • Place of Presentation
      草津
    • Year and Date
      2015-03-10
    • Data Source
      KAKENHI-PROJECT-24360147
  • [Presentation] 実観測に基づくセカンダリユーザの送信電力設計法に関2015

    • Author(s)
      佐藤光哉, 藤井威生
    • Organizer
      電子情報通信学会ソ大会
    • Place of Presentation
      東北大、仙台
    • Year and Date
      2015-09-09
    • Data Source
      KAKENHI-PROJECT-25249056
  • [Presentation] Kriging-based Interference Power Constraint for Spectrum Sharing based on Radio Environment Map2015

    • Author(s)
      K. Sato, T. Fujii
    • Organizer
      Proc. IEEE GLOBECOM Workshop on Emerging Technologies for 5G Wireless Cellular Networks
    • Place of Presentation
      San Diego, USA
    • Year and Date
      2015-12-10
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-25249056
  • [Presentation] Average Interference Power Constraint with Measurement-based Spectrum Database2015

    • Author(s)
      Koya Sato, Takeo Fujii
    • Organizer
      Workshop on Smart Spectrum 2015
    • Place of Presentation
      New Orleans, USA
    • Year and Date
      2015-03-09
    • Data Source
      KAKENHI-PROJECT-25630158
  • [Presentation] 電波環境データベース連携による市街地環境の高さ方向信号電力分布推定2015

    • Author(s)
      市川浩次、王昊、藤井威生
    • Organizer
      電子情報通信学会スマート無線研究会
    • Place of Presentation
      兵庫県明石市
    • Year and Date
      2015-05-28
    • Data Source
      KAKENHI-PROJECT-25630158
  • [Presentation] riging-based Interference Power Constraint for Spectrum Sharing based on Radio Environment Map2015

    • Author(s)
      Koya Sato and Takeo Fujii
    • Organizer
      IEEE GLOBECOM Workshop on Emerging Technologies for 5G Wireless Cellular Networks (ET5G)
    • Place of Presentation
      San Diego (USA)
    • Year and Date
      2015-12-10
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H04004
  • [Presentation] Distributed STBC for vehicular communications on highway2015

    • Author(s)
      Cong-hoang Diem, Takeo Fujii
    • Organizer
      ITS World Congress 2015
    • Place of Presentation
      Bordeaux, France
    • Year and Date
      2015-10-05
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-24246067
  • [Presentation] セキュリティ保護エリアを利用したセキュアマルチホップ通信に関する研究2015

    • Author(s)
      塚田健一, 藤井威生
    • Organizer
      電子情報通信学会総合大会
    • Place of Presentation
      滋賀県草津市
    • Year and Date
      2015-03-10
    • Data Source
      KAKENHI-PROJECT-24360147
  • [Presentation] 秘密保持容量を考慮したUCBアルゴ リズムを用いたセキュアチャネル選択法2015

    • Author(s)
      遠藤雅大, 大槻知明, 藤井威生, 田久修
    • Organizer
      電子情報通信学会RCS研究会
    • Place of Presentation
      東京工業大学
    • Year and Date
      2015-03-06
    • Data Source
      KAKENHI-PROJECT-24360147
  • [Presentation] Spectrum Sharing Method to Form Bundle of White Space in Cognitive Radio2015

    • Author(s)
      Takashi Kosugi, Takeo Fujii
    • Organizer
      IEEE CCNC 2015
    • Place of Presentation
      Las Vegas, USA
    • Year and Date
      2015-01-11
    • Data Source
      KAKENHI-PROJECT-25249056
  • [Presentation] 重み付け協調センシングおよび電波環境データベースを用いたプライマリユーザの状態遷移検出法の一検討法2015

    • Author(s)
      王昊, 藤井威生
    • Organizer
      電子情報通信学会スマート無線研究会
    • Place of Presentation
      明石市立産業交流センター(兵庫県・明石市)
    • Year and Date
      2015-05-28
    • Data Source
      KAKENHI-PROJECT-15H04004
  • [Presentation] Spectrum Sharing Method to Form Bundle of White Space in Cognitive Radio2015

    • Author(s)
      Takashi Kosugi, Takeo Fujii
    • Organizer
      IEEE CCNC 2015
    • Place of Presentation
      Las Vegas, USA
    • Year and Date
      2015-01-11
    • Data Source
      KAKENHI-PROJECT-24360147
  • [Presentation] An efficient cooperative transmission scheme for vehicular communications2015

    • Author(s)
      Cong-hoang Diem, Takeo Fujii
    • Organizer
      IEEE International Conference on Intelligent Transportation Systems Telecommunications, ITST2015
    • Place of Presentation
      Copenhagen, Denmark
    • Year and Date
      2015-12-02
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-24246067
  • [Presentation] 低信頼中継局における情報搾取量を最大にするCSI偽装の最適設計2015

    • Author(s)
      松本健吾,田久 修,藤井威生,大槻知明,笹森文仁,半田志郎
    • Organizer
      電子情報通信学会RCS研究会
    • Place of Presentation
      東京工業大学
    • Year and Date
      2015-03-04
    • Data Source
      KAKENHI-PROJECT-24360147
  • [Presentation] Received Power Detection under Multiple ON/OFF Environment for Registering Radio Environment Database2015

    • Author(s)
      Hao Wang, Koya Sato and Takeo Fujii
    • Organizer
      ICTC 2015
    • Place of Presentation
      Jeju Island (Korea)
    • Year and Date
      2015-10-29
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15H04010
  • [Presentation] Identified Primary Sensing using Energy Detection with Radio Environment2014

    • Author(s)
      Vannapha Southivong, Takeo Fujii
    • Organizer
      SmartCom2014
    • Place of Presentation
      Singapore
    • Year and Date
      2014-10-30
    • Data Source
      KAKENHI-PROJECT-25249056
  • [Presentation] PLNCによる物理層セキュリティにおけるCSI送信誘導を利用した情報搾取量の最大化2014

    • Author(s)
      松本健吾, 田久 修, 藤井威生, 大槻知明, 笹森文仁, 半田志郎
    • Organizer
      電子情報通信学会総合大会
    • Place of Presentation
      新潟県新潟市
    • Data Source
      KAKENHI-PROJECT-24360147
  • [Presentation] Physical Layer Security Using Multi-band Transmission Considering Channel Selection for Cognitive Radio Network2014

    • Author(s)
      Akinari Ida, Takeo Fujii
    • Organizer
      APSIPA ASC 2014
    • Place of Presentation
      Siem Reap, Cambodia
    • Year and Date
      2014-12-10
    • Data Source
      KAKENHI-PROJECT-24360147
  • [Presentation] 物理層セ キュリティを考慮した物理層ネットワークコーディングにおける通信路状態情報 が偽装されたときの情報漏洩量の評価2014

    • Author(s)
      松本健吾、田久修、藤井威生、大槻知明、笹森文仁、半田志郎
    • Organizer
      電子情報通信学会RCS研究会
    • Place of Presentation
      京都
    • Year and Date
      2014-07-31
    • Data Source
      KAKENHI-PROJECT-24360147
  • [Presentation] Transition Detection with Spectrum Database Using Cooperative Sensing2014

    • Author(s)
      Hao Wang, Takeo Fujii
    • Organizer
      IEEE ICUFN2014
    • Place of Presentation
      上海(中国)
    • Year and Date
      2014-07-10
    • Data Source
      KAKENHI-PROJECT-24246067
  • [Presentation] マルチホップコグニティブ車車間通信ネットワークにおける干渉予測を用いたルーティング・周波数割り当て手法2014

    • Author(s)
      鈴木翼,藤井威生
    • Organizer
      電子情報通信学会ITS研究会
    • Place of Presentation
      札幌
    • Data Source
      KAKENHI-PROJECT-24246067
  • [Presentation] 物理層セキュリティを考慮したマルチホップ無線ネットワークにおけるルーティング手法の検討2014

    • Author(s)
      小笠原優,井田暁也,藤井威生,田久修,大槻知明
    • Organizer
      電子情報通信学会総合大会
    • Place of Presentation
      新潟県新潟市
    • Data Source
      KAKENHI-PROJECT-24360147
  • [Presentation] ロバストLLRを用いたマルチキャリア重畳伝送方式の特性評価2014

    • Author(s)
      遠藤雅大, 大槻知明, 藤井威生, 田久修
    • Organizer
      映像情報メディア学会放送技術研究会
    • Place of Presentation
      石川県加賀市
    • Data Source
      KAKENHI-PROJECT-24360147
  • [Presentation] Identified Primary Sensing using Energy Detection with Radio Environment Information2014

    • Author(s)
      Vannapha Southivong, Takeo Fujii
    • Organizer
      SmartCom2014
    • Place of Presentation
      Singapore
    • Year and Date
      2014-10-30
    • Data Source
      KAKENHI-PROJECT-24360147
  • [Presentation] Transition Detection with Spectrum Database Using Cooperative Sensing2014

    • Author(s)
      Hao Wang, Takeo Fujii
    • Organizer
      ICUFN2014
    • Place of Presentation
      Shanghai, China
    • Year and Date
      2014-07-10
    • Data Source
      KAKENHI-PROJECT-25249056
  • [Presentation] 盗聴者存在下コグニティブ無線ネットワークでのスペクトルリーシングのためのセカンダリ送信ビームフォーミングに関する特性比較2014

    • Author(s)
      遠藤雅大, 大槻知明, 藤井威生, 田久修
    • Organizer
      電子情報通信学会RCS研究会
    • Place of Presentation
      東京都新宿区
    • Data Source
      KAKENHI-PROJECT-24360147
  • [Presentation] 中継局と 人工雑音を用いた物理層セキュリティの評価2014

    • Author(s)
      壁谷淳一、田久修、藤井威生、大槻知明、笹森文仁、半田志郎
    • Organizer
      電子情報通信学会RCS研究会
    • Place of Presentation
      京都
    • Year and Date
      2014-07-31
    • Data Source
      KAKENHI-PROJECT-24360147
  • [Presentation] Channel Assignment Method for Effective Entry of New Secondary Users in2014

    • Author(s)
      Takashi Kosugi, Takeo Fujii
    • Organizer
      SmartCom2014
    • Place of Presentation
      Singapore
    • Year and Date
      2014-10-30
    • Data Source
      KAKENHI-PROJECT-25249056
  • [Presentation] Channel Assignment Method for Effective Entry of New Secondary Users in Cognitive Radio2014

    • Author(s)
      Takashi Kosugi, Takeo Fujii
    • Organizer
      SmartCom2014
    • Place of Presentation
      Singapore
    • Year and Date
      2014-10-30
    • Data Source
      KAKENHI-PROJECT-24360147
  • [Presentation] 中継局と人工雑音を用いた物理層セキュリティの検討2014

    • Author(s)
      壁谷淳一,田久 修,藤井威生,大槻知明,笹森文仁,半田志郎
    • Organizer
      電子情報通信学会総合大会
    • Place of Presentation
      新潟県新潟市
    • Data Source
      KAKENHI-PROJECT-24360147
  • [Presentation] 地上波デジタル放送信号高度分布の測定実験2014

    • Author(s)
      池畠祐介,北村優行,藤井威生
    • Organizer
      電子情報通信学会総合大会
    • Place of Presentation
      新潟市
    • Data Source
      KAKENHI-PROJECT-25630158
  • [Presentation] Physical Layer Network Coding with Multiple Untrusted Relays for Physical Layer Network Coding2013

    • Author(s)
      K. Yamaguchi, O. Takyu, T. Fujii, T. Ohtsuki, F. Sasamori, S. Handa
    • Organizer
      IEEE APWCS 2013
    • Place of Presentation
      Seoul, Korea
    • Data Source
      KAKENHI-PROJECT-24360147
  • [Presentation] 物理層セキュリティを考慮したコグニティブ無線向け協調送信手法2013

    • Author(s)
      鈴木隆之, 藤井威生, 田久修, 大槻知明
    • Organizer
      電子情報通信学会総合大会
    • Place of Presentation
      岐阜大学
    • Year and Date
      2013-03-20
    • Data Source
      KAKENHI-PROJECT-24360147
  • [Presentation] 低信頼中継局を利用した物理層ネットワークコーディングにおける物理層セキュリティを高める準最適送信電力制御2013

    • Author(s)
      山口和馬,田久 修,藤井威生,大槻知明,笹森文仁,半田志郎
    • Organizer
      電子情報通信学会RCS研究会
    • Place of Presentation
      香川県高松市
    • Data Source
      KAKENHI-PROJECT-24360147
  • [Presentation] High Throughput Routing based on SNR Prediction for Variable Mobility Nodes2013

    • Author(s)
      Tsubasa Suzuki, Takeo FUJII, Shuta Kako, Takamasa Kimura
    • Organizer
      ITS World Congress 2013
    • Place of Presentation
      東京
    • Data Source
      KAKENHI-PROJECT-24246067
  • [Presentation] Secondary Node Cooperation with Enhancing Secure Capacity under Existence of Primary System2013

    • Author(s)
      K. Tsukada, T. Suzuki, T. Fujii, O. Takyu, T. Ohtsuki
    • Organizer
      IEEE APWCS 2013
    • Place of Presentation
      Seoul, Korea
    • Data Source
      KAKENHI-PROJECT-24360147
  • [Presentation] 電力割り当ておよびチャネル選択を考慮したマルチバンド伝送による物理層セキュリティ2013

    • Author(s)
      井田暁也,鈴木隆之,藤井威生,田久修,大槻知明
    • Organizer
      電子情報通信学会SR研究会
    • Place of Presentation
      静岡県浜松市
    • Data Source
      KAKENHI-PROJECT-24360147
  • [Presentation] Spectrum Sharing between IVC and RVC in Multihop Vehicular Cognitive Radio2013

    • Author(s)
      Tsubasa Suzuki, Takeo FUJII
    • Organizer
      ITST 2013
    • Place of Presentation
      Tampere (フィンランド)
    • Data Source
      KAKENHI-PROJECT-24246067
  • [Presentation] コグニティブ無線環境を考慮したセカンダリ協調ノード通信手法選択アルゴリズム2013

    • Author(s)
      塚田健一,鈴木隆之,藤井威生,田久修,大槻知明
    • Organizer
      電子情報通信学会SR研究会
    • Place of Presentation
      静岡県浜松市
    • Data Source
      KAKENHI-PROJECT-24360147
  • [Presentation] 電力割り当てを考慮したマルチバンド伝送を用いた物理層セキュリティ2013

    • Author(s)
      井田暁也, 鈴木隆之, 藤井威生, 田久修, 大槻知明
    • Organizer
      電子情報通信学会総合大会
    • Place of Presentation
      岐阜大学
    • Year and Date
      2013-03-21
    • Data Source
      KAKENHI-PROJECT-24360147
  • [Presentation] 低信頼中継局を利用した物理層ネットワークコーディングにおける物理層セキュリティ評価2013

    • Author(s)
      山口和馬,田久 修,藤井威生,大槻知明,笹森文仁,半田志郎
    • Organizer
      電子情報通信学会RCS研究会
    • Place of Presentation
      北海道札幌市
    • Data Source
      KAKENHI-PROJECT-24360147
  • [Presentation] 低信頼中継局を利用した物理層ネットワークコーディングにおける物理層セキュリティの一検討2013

    • Author(s)
      山口和馬、田久修、藤井威生、大槻知明、笹森文仁、半田志郎
    • Organizer
      電子情報通信学会総合大会
    • Place of Presentation
      岐阜大学
    • Year and Date
      2013-03-20
    • Data Source
      KAKENHI-PROJECT-24360147
  • [Presentation] 端末移動によるSNR変化予測に基づいた高スループットルーティング2012

    • Author(s)
      鈴木 翼,木村孝政,加固秀太,藤井威生
    • Organizer
      ITSシンポジウム2012
    • Place of Presentation
      愛知県立大学
    • Data Source
      KAKENHI-PROJECT-24246067
  • [Presentation] トポロジ変化に対応した高スループットアドホックルーティング2012

    • Author(s)
      鈴木翼,木村孝政,加固秀太,藤井威生
    • Organizer
      電子情報通信学会東京支部学生研究発表会
    • Place of Presentation
      東海大学高輪キャンパス
    • Year and Date
      2012-03-03
    • Data Source
      KAKENHI-PROJECT-20246066
  • [Presentation] Frequency Sharing Schedule with OFDMA for Road to Vehicle and Inter-vehicle Communications2011

    • Author(s)
      F. Xu, T. Fujii
    • Organizer
      MC-SS2011
    • Place of Presentation
      ドイツミュンヘン
    • Year and Date
      2011-06-04
    • Data Source
      KAKENHI-PROJECT-20246066
  • [Presentation] Frequency Sharing Scheduling with OFDMA for Road to Vehicle and Inter-vehicle Communications2011

    • Author(s)
      Fengning Xu, Takeo Fujii
    • Organizer
      Proc.MC-SS 2011
    • Place of Presentation
      Munich, Germany
    • Year and Date
      2011-05-04
    • Data Source
      KAKENHI-PROJECT-20760235
  • [Presentation] Frequency Sharing Schedule with OFDMA for Road to Vehicle and Inter-vehicle Communications2011

    • Author(s)
      Fengming Xu, Takeo Fujii
    • Organizer
      MC-SS2011
    • Place of Presentation
      Munich, Germany
    • Year and Date
      2011-05-04
    • Data Source
      KAKENHI-PROJECT-20246066
  • [Presentation] Information Sharing in Sparse Traffic Area by Low Level Carrier Sense for VANET2010

    • Author(s)
      H. T. Le, T. Fujii
    • Organizer
      Proc. IEEE ICUFN 2010
    • Place of Presentation
      韓国済州島
    • Year and Date
      2010-06-05
    • Data Source
      KAKENHI-PROJECT-20246066
  • [Presentation] Information Sharing in Sparse Traffic Area by Low Level Carrier Sense for VANET2010

    • Author(s)
      H.T.Le, T.Fujii
    • Organizer
      Proc.IEEE ICUFN 2010
    • Place of Presentation
      韓国済州島
    • Data Source
      KAKENHI-PROJECT-20246066
  • [Presentation] 路車間通信と車車間通信混在OFDMAスケジューリング手法の検討2010

    • Author(s)
      徐峰寧, 藤井威生
    • Organizer
      電子情報通信学会総合大会
    • Place of Presentation
      東北大学
    • Year and Date
      2010-03-16
    • Data Source
      KAKENHI-PROJECT-20760235
  • [Presentation] 路車間通信と車車間通信混在OFDMAスケジューリング手法の検討2010

    • Author(s)
      徐峰寧, 藤井威生
    • Organizer
      電子情報通信学会総合大会
    • Place of Presentation
      東北大学
    • Year and Date
      2010-03-16
    • Data Source
      KAKENHI-PROJECT-20246066
  • [Presentation] 路車間通信と車車間通信混在OFDMAスケジューリング手法の検討2010

    • Author(s)
      徐峰寧・藤井威生
    • Organizer
      2010年電子情報通信学会総合大会, A-17-12
    • Place of Presentation
      仙台市
    • Year and Date
      2010-03-16
    • Data Source
      KAKENHI-PROJECT-20760235
  • [Presentation] 相互干渉を考慮に入れた路車間通信と車車間通信混在型OFDMA周波数共用スケジューリングに関する検討2010

    • Author(s)
      徐峰寧, 藤井威生
    • Organizer
      信学技報SR2010-50
    • Place of Presentation
      大阪府吹田市
    • Year and Date
      2010-10-28
    • Data Source
      KAKENHI-PROJECT-20760235
  • [Presentation] Information Sharing in Low-Density Traffic Area for VANET by Low Level Carrier Sense2010

    • Author(s)
      Le Hoa Tung, Takeo Fujii
    • Organizer
      電子情報通信学会総合大会
    • Place of Presentation
      東北大学
    • Year and Date
      2010-03-16
    • Data Source
      KAKENHI-PROJECT-20246066
  • [Presentation] Information Sharing in Sparse Traffic Area by Low Level Carrier Sense for VANET2010

    • Author(s)
      Hoa Tung Le, Takeo Fujii
    • Organizer
      IEEE ICUFN 2010
    • Place of Presentation
      韓国・済州島
    • Data Source
      KAKENHI-PROJECT-20760235
  • [Presentation] 相互干渉を考慮に入れた路車間通信と車:車間通信混在型OFDMA周波数共用スケジューリングに関する検討2010

    • Author(s)
      徐峰寧, 藤井威生
    • Organizer
      電子情報通信学会ソフトウェア無線研究会
    • Place of Presentation
      大阪大学
    • Year and Date
      2010-10-28
    • Data Source
      KAKENHI-PROJECT-20246066
  • [Presentation] 相互干渉を考慮に入れた路車間通信と車車間通信混在型OFDMA周波数共用スケジューリングに関する検討2010

    • Author(s)
      徐峰寧, 藤井威生
    • Organizer
      電子情報通信学会ソフトウェア無線研究会
    • Place of Presentation
      大阪大学
    • Data Source
      KAKENHI-PROJECT-20760235
  • [Presentation] Information Sharing in Sparse Traffic Area by Low Level Carrier Sense for VANET2010

    • Author(s)
      Hoa Tung Le, Takeo Fujii
    • Organizer
      Proc.ICUFN 2010
    • Place of Presentation
      Jeju, Korea
    • Year and Date
      2010-06-17
    • Data Source
      KAKENHI-PROJECT-20760235
  • [Presentation] Information Sharing in Sparse Traffic Area by Low Level Carrier Sense for VANET2010

    • Author(s)
      Hoa Tung Le, Takeo Fujii
    • Organizer
      IEEE ICUFN 2010
    • Place of Presentation
      韓国・済州島
    • Year and Date
      2010-06-17
    • Data Source
      KAKENHI-PROJECT-20246066
  • [Presentation] Information Sharing in Low-Density Traffic Area for VANET by Low Level Carrier Sense2010

    • Author(s)
      Le Hoa Tung, Takeo Fujii
    • Organizer
      電子情報通信学会総合大会
    • Place of Presentation
      東北大学
    • Year and Date
      2010-03-06
    • Data Source
      KAKENHI-PROJECT-20760235
  • [Presentation] Information Sharing in Low-Density Traffic Area for VANET by Low Level Carrier Sense2010

    • Author(s)
      Hoa Tung Le, 藤井威生
    • Organizer
      2010年電子情報通信学会総合大会, A-17-10
    • Place of Presentation
      sendai,Japan
    • Year and Date
      2010-03-16
    • Data Source
      KAKENHI-PROJECT-20760235
  • [Presentation] ITSの路車間通信システムと車車間通信システムにおけるOFDMAによる周波数共用に関する一検討2009

    • Author(s)
      角田真隆, 藤井威生
    • Organizer
      電子情報通信学会総合大会, A17-3
    • Place of Presentation
      松山市
    • Year and Date
      2009-03-17
    • Data Source
      KAKENHI-PROJECT-20760235
  • [Presentation] 路車間通信と車車間通信混在OFDMAスケジューリング手法に関する一検討2009

    • Author(s)
      徐峰寧, 藤井威生
    • Organizer
      第8回 ITSシンポジウム2009
    • Place of Presentation
      広島市立大学
    • Year and Date
      2009-12-10
    • Data Source
      KAKENHI-PROJECT-20246066
  • [Presentation] ITSの路車間通信システムと車車間通信システムにおけるOFDMAによる周波数共用に関する一検討2009

    • Author(s)
      角田真隆, 藤井威生
    • Organizer
      電子情報通信学会総合大会
    • Place of Presentation
      愛媛県松山市
    • Year and Date
      2009-03-17
    • Data Source
      KAKENHI-PROJECT-20246066
  • [Presentation] Information Sharing in Low-Density Traffic Area for VANET2009

    • Author(s)
      Le Hoa Tung, Takeo Fujii
    • Organizer
      Triangle Symposium on Advanced ICT 2009
    • Place of Presentation
      電気通信大学
    • Year and Date
      2009-10-28
    • Data Source
      KAKENHI-PROJECT-20246066
  • [Presentation] Information Sharing in Low-Density Traffic Area for VANET2009

    • Author(s)
      Le Hoa Tung, Takeo Fujii
    • Organizer
      Triangle Symposium on Advanced ICT 2009
    • Place of Presentation
      電気通信大学
    • Year and Date
      2009-10-28
    • Data Source
      KAKENHI-PROJECT-20760235
  • [Presentation] Information Sharing in Low-Density Traffic Area for VANET2009

    • Author(s)
      L. Hoa Tung, T. Fujii
    • Organizer
      Proc. TriSAI 2009
    • Place of Presentation
      電通大
    • Year and Date
      2009-10-28
    • Data Source
      KAKENHI-PROJECT-20246066
  • [Presentation] ITSの路車間通信システムと車車間通信システムにおけるOFDMAによる周波数共用に関する一検討2009

    • Author(s)
      角田真隆、藤井威生
    • Organizer
      電子情報通信学会総合大会
    • Place of Presentation
      愛媛県松山市
    • Year and Date
      2009-03-17
    • Data Source
      KAKENHI-PROJECT-20760235
  • [Presentation] 路車間通信と車車間通信混在OFDMAスケジューリング手法に関する一検討2009

    • Author(s)
      徐峰寧, 藤井威生
    • Organizer
      第8回 ITSシンポジウム2009
    • Place of Presentation
      広島市立大学
    • Year and Date
      2009-12-10
    • Data Source
      KAKENHI-PROJECT-20760235
  • [Presentation] 路車間通信と車車間通信混在OFDMAスケジューリング手法に関する一検討2009

    • Author(s)
      徐峰寧,藤井威生
    • Organizer
      ITSシンポジウム2009
    • Place of Presentation
      広島市立大学
    • Year and Date
      2009-12-10
    • Data Source
      KAKENHI-PROJECT-20246066
  • [Presentation] Two-dimensional location informationexchanging method based on time andfrequency slot assignment in ITSsystem2008

    • Author(s)
      Jia Shen, Takeo Fujii
    • Organizer
      Proc.APWCS 2008
    • Place of Presentation
      Sendai, Japan
    • Year and Date
      2008-08-22
    • Data Source
      KAKENHI-PROJECT-20760235
  • [Presentation] Two-dimensional location information exchanging method based on time and frequency slot assignment in ITS system2008

    • Author(s)
      Jia Shen, Takeo Fujii
    • Organizer
      APWCS 2008
    • Place of Presentation
      宮城県仙台市
    • Year and Date
      2008-08-22
    • Data Source
      KAKENHI-PROJECT-20246066
  • [Presentation] Two-dimensional location information exchanging method based on time and frequency slot assignment in ITS system2008

    • Author(s)
      Jia Shen and Takeo Fujii
    • Organizer
      APWCS 2008
    • Place of Presentation
      宮城県仙台市
    • Year and Date
      2008-08-22
    • Data Source
      KAKENHI-PROJECT-20760235
  • [Presentation] Two-dimensionallocation information exchanging method based on time and frequency slot assignment in ITS system2008

    • Author(s)
      J. Shen and T. Fujii
    • Organizer
      IEEE APWCS2008
    • Place of Presentation
      仙台
    • Year and Date
      2008-08-22
    • Data Source
      KAKENHI-PROJECT-20246066
  • [Presentation] Evaluation of Information Leak by Ipersonated CSI in PLNC considering physical layer security

    • Author(s)
      Kengo Matsumoto, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki, Fumihito Sasamori, Shiro Handa
    • Organizer
      IEEE RWS 2015
    • Place of Presentation
      San Diego, USA
    • Year and Date
      2015-01-25 – 2015-01-28
    • Data Source
      KAKENHI-PROJECT-24360147
  • [Presentation] Secondary Transmit Beamformings for Spectrum Leasing in CRNs in the Presence of Eavesdropper

    • Author(s)
      M. Endo, T. Ohtsuki, T. Fujii, and O. Takyu
    • Organizer
      PIMRC 2014
    • Place of Presentation
      Washington D.C., USA
    • Year and Date
      2014-09-02 – 2014-09-05
    • Data Source
      KAKENHI-PROJECT-24360147
  • 1.  KARASAWA Yoshio (40313407)
    # of Collaborated Projects: 4 results
    # of Collaborated Products: 2 results
  • 2.  YAMAO Yasushi (10436735)
    # of Collaborated Projects: 4 results
    # of Collaborated Products: 0 results
  • 3.  TAKYU Osamu (40453815)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 56 results
  • 4.  太田 真衣 (20708523)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 34 results
  • 5.  OHTSUKI Tomoaki (10277288)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 28 results
  • 6.  NAKAJIMA Nobuo (70323889)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 1 results
  • 7.  INABA Takayuki (40508826)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 8.  OBANA Sadao (60395043)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 9.  稲毛 契 (80759506)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 15 results
  • 10.  ARAKI Kiyomichi (60134821)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 11.  SAKAGUCHI Kei (80323799)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 12.  HONJO Kazuhiko (90334573)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 13.  TOMITA Masaji (80180173)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 14.  TANIGUCHI Tetsuki (50283099)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 15.  SHI Qinghua (80503416)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 16.  SUZUKI Yasuo (90323740)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 18 results
  • 17.  KAMIYA Yukihiro (10361742)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 13 results
  • 18.  Ohashi Masayoshi (50500154)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 19.  荒木 純道 (90016668)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 20.  小木津 武樹 (00621202)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 21.  塚本 和也 (20452823)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 22.  妙中 雄三 (50587839)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 23.  梅林 健太 (20451990)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 24.  須藤 克弥 (70821867)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 25.  秋本 洋平
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results

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