論文

• Yuya Tajima, Takefumi Hiraguri, Takahiro Matsuda, Tetsuro Imai, Jiro Hirokawa, Hiroyuki Shimizu, Tomotaka Kimura, Kazuki Maruta. Analysis of Wind Effect on Drone Relay Communications, Drones, Mar. 2023.
• SAITO Kentaro, IMAI Tetsuro, KITAO Koshiro, OKUMURA Yukihiko. Cluster Power Variation Characteristics for 3GHz-Band MIMO Communication System in a Crowded Indoor Environment, IEICE Transactions on Communications, 一般社団法人 電子情報通信学会, vol. 99, no. 5, pp. 1131-1142, Oct. 2016.
• KITAO Koshiro, IMAI Tetsuro, SAITO Kentaro, OKUMURA Yukihiko. Experimental Study on Ray Based Spatio-Temporal Channel Characteristics in Indoor Environment, IEICE Transactions on Communications, The Institute of Electronics, Information and Communication Engineers, vol. 98, no. 5, pp. 798-805, May 2015.
• SAITO Kentaro, KITAO Koshiro, IMAI Tetsuro, OKUMURA Yukihiko. Dynamic Channel Modeling Using Particle Filtering for Wireless MIMO Systems in Urban Environment, vol. E96.B, no. 10, pp. 2372-2379, Oct. 2013.
• Gilbert Siy Ching, ghoraishi m, Markus Landmann, Navarat Lertsirisopon, Jun-ichi Takada, Tetsuro Imai, Itoji Sameda, Hironori Sakamoto. Wideband Polarimetric Directional Propagation Channel Analysis inside an Arched Tunnel, IEEE Transactions on Antennas and Propagation, vol. 57, no. 3, pp. 760-767, Mar. 2009.
• ghoraishi m, Jun-ichi Takada, Tetsuro Imai. Radio Wave Scattering from Lampposts in Microcell Urban Mobile Propagation Channel, ECTI Transactions on Electrical Engineering, Electronics and Communications, vol. 7, no. 1, pp. 14-20, Feb. 2009.
• Gilbert Siy Ching, M. Ghoraishi, Navarat Lertsirisopon, Jun-ichi Takada, Itoji Sameda, Ryuji Soma, Hironori Sakamoto, Tetsuro Imai. Prediction of DSRC Service Over-reach inside an Arched Transportation Tunnel, International Journal of ITS Research, vol. 6, no. 1, pp. 11-19, July 2008.

著書

• Ghoraishi, Jun-ichi Takada, Tetsuro Imai. Radio Wave Propagation Through Vegetation, Wave Propagation / Book 2, InTech, Feb. 2013.  公式リンク  

国際会議発表 (査読有り)

• Chikayo Hata, Takefumi Hiraguri, Takahiro Matsuda, Tetsuro Imai, Jiro Hirokawa. Directional beam antenna control in response to drone tilts, Intl. Conf. Consumer Electron., July 2023.
• Kentaro Saito, Tetsuro Imai, Yukihiko Okumura. Fading characteristics in the 26GHz band indoor quasi-static environment, Electromagnetics (iWEM), 2014 IEEE International Workshop on, pp. 135-136, 2014.
• Nobutaka Omaki, Koshiro Kitao, Kentaro Saito, Tetsuro Imai, Yukihiko Okumura. Experimental study on elevation directional channel properties to evaluate performance of 3d-mimo at base station in microcell outdoor to indoor environment, Electromagnetics (iWEM), 2014 IEEE International Workshop on, pp. 219-220, 2014.
• Koshiro Kitao, Tetsuro Imai, Kentaro Saito. Experimental study on spatio-temporal channel in indoor environments, Electromagnetics (iWEM), 2014 IEEE International Workshop on, pp. 110-111, 2014.
• Kentaro Saito, Tetsuro Imai, Yukihiko Okumura. Capacity Evaluation of MIMO Transmission in the 2GHz Band in Crowded Small-Cell Environment, EurAAP, 8th Antennas and Propagation (EuCAP), pp. 1-5, 2014.
• Kentaro Saito, Tetsuro Imai, Yukihiko Okumura. 2 GHz Band MIMO Channel Properties in Urban Small Cell Scenario in Crowded Area, 2014 IEEE 80th Vehicular Technology Conference (VTC2014-Fall), pp. 1-5, 2014.
• Kentaro Saito, Tetsuro Imai, Koshiro Kitao, Yukihiko Okumura. Cluster Power Variation Estimation for MIMO Channel Modeling in Crowded Indoor Environment, 2014 IEEE 80th Vehicular Technology Conference (VTC2014-Fall), pp. 1-5, 2014.
• Kentaro Saito, Koshiro Kitao, Tetsuro Imai, Yukihiko Okumura. Dynamic MIMO channel modeling in urban environment using particle filtering, Antennas and Propagation (EuCAP), 2013 7th European Conference on, pp. 980-984, 2013.
• Koshiro Kitao, Tetsuro Imai, Kentaro Saito, Yukihiko Okumura. Elevation directional channel properties at BS to evaluate 3D beamforming, Intelligent Signal Processing and Communications Systems (ISPACS), 2013 International Symposium on, pp. 640-644, 2013.
• Vu Hung Le, Jun-ichi Takada, Ghoraishi Mir, Chaymaly Phakasoumu, Koshiro Kitao, Tetsuro Imai. Analysis of Angular Spread Characteristics of Mobile Radio Wave Dispersion through Foliage, 2012 International Symposium on Antennas and Propagation (ISAP 2012), pp. 315-318, Nov. 2012.
• ghoraishi m, Jun-ichi Takada, Tetsuro Imai. Analysis of Mobile Radio Wave Dispersion Through Vegetation, 6th European Conference on Antennas and Propagation (EuCAP 2012), Mar. 2012.
• Vu Hung Le, Jun-ichi Takada, ghoraishi m, Koshiro Kitao, Tetsuro Imai. Angular Spread of the Radio Wave Propagation in Foliage Environment, 6th European Conference on Antennas and Propagation (EuCAP 2012), Mar. 2012.
• Kentaro Saito, Koshiro Kitao, Tetsuro Imai, Shunji Miura. Human-body shadowing modeling for indoor quasi-static MIMO channels, Antennas, Propagation EM Theory (ISAPE), 2012 10th International Symposium on, pp. 608-611, 2012.
• Kentaro Saito, Koshiro Kitao, Tetsuro Imai, Yoshiki Okano, Shunji Miura. Data analysis and modeling method for indoor human body-shadowing MIMO channels, 2012 6th European Conference on Antennas and Propagation (EUCAP), pp. 1431-1435, 2012.
• Chaymaly Phakasoum, M. Ghoraishi, Jun-ichi Takada, Koshiro Kitao, Tetsuro Imai. "Frequency Characteristics of Angular Spread for Radio Wave Propagation Through Foliage", 5th European Conference on Antennas and Propagation (EuCAP2011), Apr. 2011.
• Kentaro Saito, Koshiro Kitao, Tetsuro Imai, Yoshiki Okano, Shunji Miura. The Modeling Method of Time-Correlated MIMO Channels Using the Particle Filter, Vehicular Technology Conference (VTC Spring), 2011 IEEE 73rd, pp. 1-5, 2011.
• Kentaro Saito, Tetsuro Imai, Koshiro Kitao, Yoshiki Okano, Shunji Miura. Hybrid-Based Propagation Parameter Estimation Method Using EM/SAGE and Extended MODE Algorithm, Vehicular Technology Conference (VTC Fall), 2011 IEEE, pp. 1-5, 2011.
• Chaymaly Phakasoum, ghoraishi m, Jun-ichi Takada, Koshiro Kitao, Tetsuro Imai. Spatial Coherence and Angular Spread of Radio Wave Propagating through Foliage, 3rd Joint International Conference on Information & Communication Technology, Electronic and Electrical Engineering, Dec. 2010.
• Koshiro Kitao, Kentaro Saito, Tetsuro Imai, Yoshiki Okano, Shunji Miura. 2GHz channel measurement in the urban environment and the investigation of channel dynamic properties, Proceedings of the Fourth European Conference on Antennas and Propagation, pp. 1-5, 2010.
• Tetsuro Imai, Yoshiki Okano, Koshiro Kitao, Kentaro Saito, Shunji Miura. Theoretical analysis of adequate number of probe antennas in spatial channel emulator for MIMO performance evaluation of mobile terminals, Proceedings of the Fourth European Conference on Antennas and Propagation, pp. 1-5, 2010.
• Mir Ghoraishi, Jun-ichi Takada, Akinori Nishihara, Tetsuro Imai. Polar Directional Characteristics of the Urban Mobile Propagation Channel at 2.2 GHz, European Conference on Antennas and Propagation (EuCAP 2009), European Conference on Antennas and Propagation (EuCAP 2009), Mar. 2009.
• Yoshiki Okano, Tetsuro Imai, Koshiro Kitao, Kentaro Saito, Jyunichiro Hagiwara. Alignment of probe antennas for spatial channel emulator, 2009 Asia Pacific Microwave Conference, pp. 1088-1091, 2009.
• Koshiro Kitao, Kentaro Saito, Yoshiki Okano, Tetsuro Imai, Junichiro Hagiwara. Basic study on spatio-temporal dynamic channel properties based on channel sounder measurements, 2009 Asia Pacific Microwave Conference, pp. 1064-1067, 2009.
• Tetsuro Imai, Yoshiki Okano, Koshiro Kitao, Kentaro Saito, Junichiro Hagiwara. Spatial channel emulator for MIMO performance evaluation of mobile terminals, 2009 Asia Pacific Microwave Conference, pp. 461-464, 2009.

国際会議発表 (査読なし・不明)

• ghoraishi m, Jun-ichi Takada, Chaymaly Phakasoum, Tetsuro Imai, Koshiro Kitao. Directional Analysis of the Radio Wave Propagation through Foliage, COST 2100 10th Management Committee Meeting, Vol. TD(10)10095, Feb. 2010.
• Chaymaly Phakasoum, Jun-ichi Takada, ghoraishi m, Koshiro Kitao, Tetsuro Imai. Experimental Study of Frequency Characteristics and Spatial Characteristics of Propagation through Foliage, 1st AUN/Seed-Net Electrical and Electronics Engineering Region Conference - 2009 International Symposium on Multimedia and Communication Technology (ISMAC 2009), Feb. 2009.

国内会議発表 (査読なし・不明)

• 平田翔, 宇治川智, 松田崇弘, 廣川二郎, 今井哲朗, 平栗健史. 障害物によるマルチパスを考慮したドローン飛行中のハンドオーバー方式の検討, 信学技報, July 2024.
• 平田翔, 宇治川智, 松田崇弘, 廣川二郎, 今井哲朗, 平栗健史. 異種基地局混合ネットワークにおけるマルチパス干渉を考慮したハンドオーバ手法の検討, 信学技報, Jan. 2024.
• 平田翔, 宇治川智, 松田崇弘, 廣川二郎, 今井哲朗, 平栗健史. 屋外におけるマルチパス干渉を考慮したドローン・ハンドオーバー手法の検討, MIKA, Oct. 2023.
• 平田翔, 宇治川智, 松田崇弘, 廣川二郎, 今井哲朗, 平栗健史. 三次元環境におけるマルチパス干渉に適したドローン・ハンドオーバー手法の検討, 信学技報, Aug. 2023.
• 畑知華代, 田島裕也, 平栗健史, 松田崇弘, 今井哲朗, 廣川二郎. ドローンによる映像中継伝送に適した無給電素子付きアンテナの評価, 映情メ学会放送技術研, Jan. 2023.
• 田島裕也, 平栗健史, 松田崇弘, 今井哲朗, 廣川二郎. ドローンの中継通信に対する風の影響, 信学技報, Jan. 2023.
• 平栗健史, 西森健太郎, 廣川二郎, 松田崇弘, 今井哲朗. 移動中継局を用いた次世代超高速伝送, 広域エリア形成の研究開発, 信学技報, July 2022.
• Hung Vu Le, Jun-ichi Takada, Mir Ghoraishi, Chaymaly Phakasoum, Koshiro Kitao, Tetsuro Imai. Experimental Analysis for Angular Spread Characteristics of Radio Propagation Channel through Foliage, URSI-F Japanese Committee Meeting, URSI-F Japanese Committee Meeting, No. 562, Mar. 2012.
• Hung Vu Le, Jun-ichi Takada, M. Ghoraishi, Chaymaly Phakasoum, Koshiro Kitao, Tetsuro Imai. ”Array Antenna Calibration Method by Using Data within Limited Angular Range", IEICE Technical Report, vol. 111, no. 250, pp. 2011-109, Oct. 2011.

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