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Hiroshi IWAI

A Spatial Fading Emulator for Evaluation of MIMO Antennas in a Cluster Environment Tsutomu SAKATA Atsushi YAMAMOTO Koichi OGAWA Hiroshi IWAI Jun-ichi TAKADA Kei SAKAGUCHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2014/10/01 Vol. E97-B No. 10 pp. 2127-2135 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Measurement and Design Techniques on Antennas, Propagation and Wireless Systems) Category: Keyword: fading emulator, cluster, angular power spectrum, OTA, handset antenna, MIMO, channel capacity,
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Equivalent Noise Temperature Representation for Scaled MOSFETs Hiroshi SHIMOMURA Kuniyuki KAKUSHIMA Hiroshi IWAI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2010/10/01 Vol. E93-C No. 10 pp. 1550-1552 Type of Manuscript: LETTER Category: Semiconductor Materials and Devices Keyword: MOSFETs, thermal noise, equivalent noise temperature,
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Performance Evaluation of Spatial Correlation Characteristics for Handset Antennas Using Spatial Fading Emulator Based on Clarke's Model Hiroshi IWAI Kei SAKAGUCHI Tsutomu SAKATA Atsushi YAMAMOTO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/10/01 Vol. E93-B No. 10 pp. 2514-2522 Type of Manuscript: Special Section PAPER (Special Section on Advanced Technologies in Antennas and Propagation in Conjunction with Main Topics of ISAP2009) Category: Mobile Propagation Keyword: spatial fading emulator, spatial correlation characteristic, multi-path propagation environment, handset antennas, scatterers,
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Effect of High Frequency Noise Current Sources on Noise Figure for Sub-50 nm Node MOSFETs Hiroshi SHIMOMURA Kuniyuki KAKUSHIMA Hiroshi IWAI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2010/05/01 Vol. E93-C No. 5 pp. 678-684 Type of Manuscript: PAPER Category: Semiconductor Materials and Devices Keyword: MOSFETs, thermal noise, noise figure, noise parameters,
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Performance Analysis of MIMO Schemes in Residential Home Environment via Wideband MIMO Propagation Measurement Gia Khanh TRAN Nguyen Dung DAO Kei SAKAGUCHI Kiyomichi ARAKI Hiroshi IWAI Tsutomu SAKATA Koichi OGAWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2010/04/01 Vol. E93-A No. 4 pp. 814-829 Type of Manuscript: PAPER Category: Communication Theory and Signals Keyword: MIMO-OFDM, wideband MIMO channel measurement, residential home environment, throughput performance evaluation,
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Parasitic Effects in Multi-Gate MOSFETs Yusuke KOBAYASHI C. Raghunathan MANOJ Kazuo TSUTSUI Venkanarayan HARIHARAN Kuniyuki KAKUSHIMA V. Ramgopal RAO Parhat AHMET Hiroshi IWAI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2007/10/01 Vol. E90-C No. 10 pp. 2051-2056 Type of Manuscript: PAPER Category: Integrated Electronics Keyword: multi-gate, Fin-FETs, high-K dielectric, fringe capacitance, parasitic effect,
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3-D Angular Spectrum Measurements at 5 GHz in a Residential Two-Story House Hiroshi IWAI Tsutomu SAKATA Atsushi YAMAMOTO Kei SAKAGUCHI
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2007/09/01 Vol. E90-B No. 9 pp. 2344-2351 Type of Manuscript: Special Section PAPER (Special Section on 2006 International Symposium on Antennas and Propagation) Category: Propagation Keyword: 3-D angular spectrum, residential house, propagation, MIMO, channel capacity,
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A Low-Profile Bi-Directional Cavity Antenna with Broadband Impedance Characteristics Atsushi YAMAMOTO Hiroshi IWAI Toshimitsu MATSUYOSHI Koichi OGAWA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2001/09/01 Vol. E84-B No. 9 pp. 2490-2497 Type of Manuscript: Special Section PAPER (Special Issue on Innovation in Antennas and Propagation for Expanding Radio Systems) Category: Mobile Antennas Keyword: bi-directional radiation pattern, cavity antenna, IMT-2000, picocell base station,
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A 1. 5 GHz CMOS Low Noise Amplifier Ryuichi FUJIMOTO Shoji OTAKA Hiroshi IWAI Hiroshi TANIMOTO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1998/03/25 Vol. E81-A No. 3 pp. 382-388 Type of Manuscript: Special Section PAPER (Special Section of Selected Papers from the 10th Karuizawa Workshop on Circuits and Systems) Category: Keyword: low noise amplifier, CMOS technology, short channel, inductor, high frequency circuit,
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Monte Carlo Analysis of Velocity Overshoot Effects in Bipolar Devices with and without an i-Layer Yoshiroh TSUBOI Claudio FIFGNA Enrico SANGIORGI Bruno RICCÒ Tetsunori WADA Yasuhiro KATSUMATA Hiroshi IWAI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1994/02/25 Vol. E77-C No. 2 pp. 174-178 Type of Manuscript: Special Section PAPER (Special Issue on 1993 VLSI Process and Device Modeling Workshop (VPAD 93)) Category: Device Simulation Keyword: bipolar transistor, i-layer, collector signal delay, velocity overshoot,
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Mechanical Stress Analysis of Trench Isolation Using a Two-Dimensional Simulation Satoshi MATSUDA Nobuyuki ITOH Chihiro YOSHINO Yoshiroh TSUBOI Yasuhiro KATSUMATA Hiroshi IWAI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1994/02/25 Vol. E77-C No. 2 pp. 124-128 Type of Manuscript: Special Section PAPER (Special Issue on 1993 VLSI Process and Device Modeling Workshop (VPAD 93)) Category: Process Simulation Keyword: trench isolation, shallow trench, deep trench, high-speed bipolar LSIs, leakage current, mechanical stress,
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