論文

• Lawrence Materum, Jun-ichi Takada, Ichirou Ida, Yasuyuki Oishi. Mobile Station Spatio-Temporal Multipath Clustering of an Estimated Wideband {MIMO} Double-Directional Channel of a Small Urban 4.5 GHz Macrocell, EURASIP Journal on Wireless Communications and Networking, EURASIP, Feb. 2009.
• Lawrence Materum, Jun-ichi Takada, Ichirou Ida, Yasuyuki Oishi. A Comparison of Selected Multipath-Distance Measures in the Clustering of MIMO Propagation Channel Data, EURASIP Journal on Wireless Communications and Networking, vol. 2009, ID 804021, 2009.
• Kriangsak Sivasondhivat, Jun-ichi Takada, Ichirou Ida, Yasuyuki Oishi. Polarimetric Kronecker Separability and Deterministic Double Directional Channel Modeling in a Urban Macrocellular Environment, EURASIP Journal on Wireless Communications and Networking, vol. 2009, ID 715403, 2009.
• Navarat Lertsirisopon, Gilbert Siy Ching, M. Ghoraishi, Jun-ichi Takada, Ichirou Ida, Yasuyuki Oishi. Investigation of Non-Specular Scattering by Comparing Directional Channel Characteristics from Microcell Measurement and Simulation, IET Microwaves, Antennas & Prppagation, IET Digital Library, vol. 2, no. 8, pp. 913-921, Dec. 2008.
• Kriangsak Sivasondhivat, Jun-ichi Takada, Ichirou Ida, Yasuyuki Oishi. Experimental Analysis and Site-Specific Modeling of Channel Parameters at Mobile Station in an Urban Macrocellular Environment, IEICE Transactions on Communications, IEICE, vol. E91-B, no. 4, pp. 1132-1144, Apr. 2008.

国際会議発表 (査読有り)

• Yohei Konishi, Lawrence Materum, ghoraishi m, Jun-ichi Takada, Ichirou Ida, Yasuyuki Oishi. Multipath Cluster Polarization Characteristics of a Small Urban MIMO Macrocell, Proceedings of the 7th COST 2100 Management Committee Meeting, COST2100, Feb. 2009.
• Lawrence Materum, Jun-ichi Takada, Ichirou Ida, Yasuyuki Oishi. Improved Multipath Clustering of a Small Urban Macrocellular MIMO Environment at 4.5 GHz, International Symposium on Antennas and Propagation (ISAP), Proceedings of the International Symposium on Antennas and Propagation (ISAP), ISAP, pp. 854-857, Oct. 2008.
• Kriangsak Sivasondhivat, Jun-ichi Takada, Ichirou Ida, Yasuyuki Oishi. Polarimetric Kronecker Separability in an Urban Macrocellular Environment, International Union of Radio Science XXIX General Assembly (URSI=GA 08), International Union of Radio Science XXIX General Assembly (URSI=GA 08), Aug. 2008.
• Quoc Tuan Tran, Shinsuke Hara, Kriangsak Sivasondhivat, Jun-ichi Takada, Atsushi Honda, Yuuta Nakaya, Kaoru Yokoo, Ichirou Ida, Yasuyuki Oishi. On the Performance of a Receive Antenna Selection Method for MIMO-OFDM System, 2007 Fall IEEE Vehicular Technology Conference (VTC 2007 Fall), 2007 Fall IEEE Vehicular Technology Conference (VTC 2007 Fall), Oct. 2007.
• Atsushi Honda, Ichirou Ida, Yasuyuki Oishi, Quoc Tuan Tran, Shinsuke Hara, Jun-ichi Takada. Experimental Evaluation of MIMO Antenna Selection System Using RF-MEMS Switches on a Mobile Terminal, 2007 IEEE Annual International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC 2007), 2007 IEEE Annual International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC 2007), Sept. 2007.
• Quoc Tuan Tran, Shinsuke Hara, Jun-ichi Takada, Atsushi Honda, Yuuta Nakaya, Kaoru Yokoo, Ichirou Ida, Yasuyuki Oishi. Real-Time Performance Evaluation of a Receive Antenna Selection for MIMO-OFDM System, 2007 IEEE Annual International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC 2007), Aug. 2007.
• Hiroya Tanaka, Jun-ichi Takada, Atsushi Honda, Sorwar Hossain, Ichirou Ida, Yasuyuki Oishi. BER Performance of Planar ESPAR Antennas in 2×2 MIMO Transmission in an Office Environment, 2007 International Symposium on Antennas and Propagation (ISAP 2007), pp. 1374-1377, Aug. 2007.
• Kriangsak Sivasondhivat, Lawrence Materum, Jun-ichi Takada, Ichirou Ida, Yasuyuki Oishi. Experimental Study and Modeling of Channed Parameters at Mobile Station in a Site-Specific Urban Macrocellular Environment, 2007 International Symposium on Antennas and Propagation (ISAP 2007), 2007 International Symposium on Antennas and Propagation (ISAP 2007), pp. 935-938, Aug. 2007.
• Lawrence Materum, Ichirou Ida, Kriangsak Sivasondhivat, Jun-ichi Takada, Ichirou Ida, Yasuyuki Oishi. Identification of Relatively Strong Clusters in an NLOS Scenario at a Small Urban-Macrocell Moblie Station, 2007 International Symposium on Antennas and Propagation (ISAP 2007), 2007 International Symposium on Antennas and Propagation (ISAP 2007), pp. 157-160, Aug. 2007.

国内会議発表 (査読有り)

• Yohei Konishi, Lawrence Materum, ghoraishi m, Jun-ichi Takada, Ichirou Ida, Yasuyuki Oishi. Polarization Characteristics of a Small Urban MIMO Macrocell, IEICE Technical Report, IEICE, (MW), Mar. 2009.
• Lawrence Materum, Jun-ichi Takada, Ichirou Ida, YASUYUKI OISHI. Bicombinational Approach for Identifying Multipath Clusters at the Mobile Station from a MIMO Double-Directional Data of a 4.5 GHz Macrocell, IEICE Society Conference, Proceedings of the IEICE Society Conference, IEICE, Sept. 2008.
• Lawrence Materum, Kriangsak Sivasondhivat, Jun-ichi Takada, Ichirou Ida, Yasuyuki Oishi. Wideband Double-Directional Channel Measurements in a Small-Urban Macrocell at 4.5 GHz, IEICE Technical Report, 106 (AP2006-138), 527, pp. 13-17, Feb. 2007.

国際会議発表 (査読なし・不明)

• Lawrence Materum, Jun-ichi Takada, Ichirou Ida, Yasuyuki Oishi. Polarimetric Beamforming Comparison of the Multipath Clusterization of ML Estimates and the Measurement Data of a MIMO Macrocell Channel, Personal, Indoor and Mobile Radio Communications Symposium 2009, Sept. 2009.
• Yohei Konishi, Lawrence Materum, Jun-ichi Takada, Ichirou Ida, Yasuyuki Oishi. Polarization Characteristics of MIMO System: Measurement, Modeling and Statistical Validation, Personal, Indoor and Mobile Radio Communications Symposium 2009, Sept. 2009.

国内会議発表 (査読なし・不明)

• 小西洋平, マテルム ローレンス, 高田潤一, 井田一郎, 大石泰之. マクロセル環境における直交偏波MIMOのための伝搬路特性に関する実験的検討, 電子情報通信学会技術研究報告, Vol. RCS2009-139, Nov. 2009.
• Navarat Lertsirisopon, Gilbert Siy Ching, ghoraishi m, Jun-ichi Takada, Ichirou Ida, YASUYUKI OISHI. Polarization Characteristics of Directional Channel in the Microcell Scenario, URSI-F Japanese Committee Meeting, Vol. no. 532, Mar. 2009.
• Yohei Konishi, Lawrence Materum, ghoraishi m, Jun-ichi Takada, Ichirou Ida, YASUYUKI OISHI. Polarization Characteristics of a Small Urban MIMO Macrocell, IEICE Technical Report, Vol. MW2008-191, Mar. 2009.
• Navarat Lertsirisopon, Gilbert Siy Ching, M. Ghoraishi, Jun-ichi Takada, Ichiro Ida, Yasuyuki Oishi. Measurement of Full Polarimetric Path Gain in LOS Microcell Environment, 2008 IEICE Society Conference, 2008 IEICE Society Conference, B-1-13, Sept. 2008.
• Navarat Lertsirisopon, Gilbert Siy Ching, Ghoraishi, Jun-ichi Takada, Ichiro Ida, Yasuyuki Oishi. Polarization Characteristics of NLOS Microcell Environment inside University Campus, 2007 IEICE General Conference, 2007 IEICE General Conference, B-1-17, Mar. 2007.
• Navarat Lertsirisopon, Gilbert Siy Ching, Mir Ghoraishi, Jun-ichi Takada, Ichiro Ida, Yasuyuki Oishi. Double directional channel characteristics of microcell environment inside university campas, IEICE Technical Report, AP-2006-139, Feb. 2007.

その他の論文・著書など

• Lawrence Materum, Jun-ichi Takada, Ichirou Ida, Yasuyuki Oishi. Clustering results of estimated MIMO double-directional channel data of a small macrocell, IEICE Technical Report, IEICE Technical Report, IEICE, vol. 108 (AP2008-5), no. 5, pp. 23-28, Apr. 2008.
• Quoc Tuan Tran, Shinsuke Hara, Kriangsak Sivasondhivat, Jun-ichi Takada, Atsushi Honda, Yuuta Nakaya, Ichirou Ida, Yasuyuki Oishi. Performance of MIMO System with Receive Antenna Selection in Real Environment, IEICE Technical Report WBS2006-52, IEICE Technical Report, 電子情報通信学会, WBS2006-52, May 2007.

学位論文

• メモリ効果を含んだRF 電力増幅器のモデリングとそのディジタル歪補償技術への応用,  本文,  博士(工学),  東京工業大学,  2012/03/26,   

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