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  • 広帯域多層基板内X字型パッチ励振差動線路導波管変換器の設計

    山崎誠、ヘンリーアブディアウオ、チャッチャイチョクチャイ、榊原久二男、杉本義喜、菊間信良

    電子情報通信学会 総合大会  電子情報通信学会

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    Event date: 2022.03

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン  

  • テラヘルツ帯における基板内導波管ロットマンレンズビーム形成回路の設計

    岸峻平、森岡隆文、榊原久二男、杉本義喜、菊間信良

    電子情報通信学会 総合大会  電子情報通信学会

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    Event date: 2022.03

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン  

  • テラヘルツ帯における球状均一誘電体レンズアンテナのマルチビーム特性

    土田偉千、杉本義喜、榊原久二男、菊間信良

    電子情報通信学会 総合大会  電子情報通信学会

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    Event date: 2022.03

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン  

  • 2レンズアレー素子用底面角形レンズアンテナの放射特性

    杉山秀明、杉本義喜、バハロム バジラ、榊原久二男、菊間信良

    電子情報通信学会 総合大会  電子情報通信学会

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    Event date: 2022.03

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン  

  • 誘電体ロッドアンテナ給電による誘電体レンズアンテナのマルチビーム特性

    杉本義喜、榊原久二男、 菊間信良

    電子情報通信学会 総合大会  電子情報通信学会

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    Event date: 2022.03

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン  

  • Constant and graded cross-section plano-convex mechanical sliding cylindrical lens antennas - scanning and reflection characteristics –

    Derek Gray, Kunio Sakakibara

    IEICE Technical Report   2022.02  IEICE

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    Event date: 2022.02

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Online   Country:Japan  

  • Constant and graded cross-section plano-convex mechanical sliding cylindrical lens antennas -- scanning and reflection characteristics --

    Derek Gray, Kunio Sakakibara

    IEICE Technical Report   2022.02  IEICE

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    Event date: 2022.02

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Online   Country:Japan  

    Other Link: https://ken.ieice.org/ken/paper/20220218QCIr/eng/

  • Design of Broadband Differential-Line-to-Waveguide Transition in Multi-layer Dielectric Substrates Exciting X-shaped Patch Element in 280GHz band

    Makoto Yamazaki, Henry Abu Diawuo, Chatchai Chokchai, Kunio Sakakibara, Yoshiki Sugimoto, Nobuyoshi Kikuma

    IEICE Technical Report   2022.01  IEICE

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    Event date: 2022.02

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:Online   Country:Japan  

    Other Link: https://ken.ieice.org/ken/paper/20220127tC7a/eng/

  • Gain Enhancement of Square Bottom Lens for Lens Array Antennas International conference

    Hideaki Sugiyama, Yoshiki Sugimoto, Bazilah Baharom, Kunio Sakakibara, Nobuyoshi Kikuma

    The 2022 Malaysia-Japan Workshop on Radio Technology (MJWRT2022)  2022.01  IEICE

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    Event date: 2022.01

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Online   Country:Malaysia  

  • Simulated Performances of Low Profile 2×2 Lens Antenna Array in 300GHz Band International conference

    Bazilah Baharom, Yoshiki Sugimoto, Kunio Sakakibara, Nobuyoshi Kikuma

    The 2022 Malaysia-Japan Workshop on Radio Technology (MJWRT2022)  2022.01  IEICE

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    Event date: 2022.01

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Online   Country:Malaysia  

  • Ripple suppression in 300GHz band cylindrical lens International conference

    Derek GRAY, Kunio SAKAKIBARA, Shuya SUZUKI, Ryota ISHIHARA, Yoshiki SUGIMOTO, Nobuyoshi KIKUMA

    2021 IEEE AP-S Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting  IEEE AP-S

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    Event date: 2021.12

    Language:English   Presentation type:Oral presentation (general)  

  • mm-wave and THz-wave Beam-scanning Antenna Technologies for Automotive Radars and beyond 5G Mobile Communication Systems Invited International conference

    Kunio Sakakibara

    2021 7th International Conference on Space Science and Communications (IconSpace2021) 

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    Event date: 2021.11

    Language:English   Presentation type:Oral presentation (invited, special)  

    Venue:Kuala Lumpur, Malaysia  

  • A 76-Gbit/s 265-GHz CMOS Receiver International conference

    S. Hara, R. Dong, S. Lee, K. Takano, N. Toshida, S. Tanoi, T. Hagino, M. H. Mubarak, N. Sekine, I. Watanabe, A. Kasamatsu, K. Sakakibara, S. Kubo, S. Miura, Y. Umeda, T. Yoshida, S. Amakawa, M. Fujishima

    2021 IEEE Asian Solid-State Circuits Conference (A-SSCC)  2021.11  IEEE SSCC

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    Event date: 2021.11

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Busan   Country:Korea, Republic of  

    Other Link: https://ieeexplore.ieee.org/document/9634780

  • Effect of E-plane end shape on ripple suppression and focal arc of 300GHz band cylindrical lens International conference

    Derek GRAY, Kunio SAKAKIBARA

    2021 International Symposium on Antennas and Propagation (ISAP2021)  IEICE

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    Event date: 2021.10

    Language:English   Presentation type:Oral presentation (general)  

  • Millimeter-wave and Teraherz-wave Beam-scanning Antenna Technologies for Automotive Radars and beyond 5G Mobile Communication Systems Invited International conference

    Kunio Sakakibara

    2021 International Conference on Advanced Technologies for Communications (ATC2021)  2021.10 

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    Event date: 2021.10

    Language:English   Presentation type:Oral presentation (keynote)  

    Venue:Ho Chi Minh City, Vietnam   Country:Viet Nam  

  • Performance Comparison of Lens Antenna Arrays Depending on the Lens Shaping Designs

    Bazilah Baharom, Yoshiki Sugimoto, Kunio Sakakibara, Akira Yamano, Nobuyoshi Kikuma

    IEICE Technical Report   IEICE

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    Event date: 2021.07

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Online  

  • A 258-GHz CMOS Transmitter with Phase-Shifting Architecture for Phased-Array Systems International conference

    Toyoyuki Hagiwara, Natsu Yamaki, Koki Sekine, Hajime Sakai, Kenta Sahara, Kyoya Takano, Shinsuke Hara, Sangyeop Lee, Ruibing Dong, Satoru Tanoi, Shunichi Kubo, Satoshi Miura, Akifumi Kasamatsu, Takeshi Yoshida, Shuhei Amakawa, Kunio Sakakibara, Yohtaro Umeda, Minoru Fujishima

    2021 IEEE/MTT-S International Microwave Symposium - IMS 2021  IEEE MTT-S

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    Event date: 2021.06

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Atlanta, GA, USA  

    This paper presents a 258-GHz CMOS transmitter with phase-shifting capability for phased-array systems targeting sixth-generation mobile network (6G). Phase shifters are inserted in local oscillator (LO) paths to limit the bandwidth required of the phase shifters. A power detector is used to detect and calibrate the phase difference between a pair of phase shifters in the two power-combined paths of the transmitter. It is fabricated using a 40-nm CMOS technology. A data rate of 16 Gb/s and output power of -6.8 dBm are achieved with quaternary phase-shift keying (QPSK). The calibration procedure of the phase shifters is verified by simulation.

  • 高周波集積回路における差動線路 導波管接続回路の設計

    榊原久二男、鞠山匠汰、利田直也、ヘンリー アブ ディアウオ、山崎誠、バカル ロハニ、ディレック グレイ、杉本義喜、菊間信良

    電子情報通信学会 総合大会  電子情報通信学会

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    Event date: 2021.03

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン  

  • 3ホーン給電レンズフェーズドマルチビーム合成による広角高利得広帯域300GHz帯アンテナ

    山野瑛、榊原久二男、竹嶋大智、石原僚汰、バカル ロハニ、鈴木柊夜、杉本義喜、菊間信良

    電子情報通信学会 総合大会  電子情報通信学会

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    Event date: 2021.03

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン  

  • 二層基板を用いた導波管マイクロストリップ線路変換器の広帯域化

    森岡隆文、榊原久二男、杉本義喜、菊間信良

    電子情報通信学会 総合大会  電子情報通信学会

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    Event date: 2021.03

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン  

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