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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2016-01-14 13:20 |
Tokyo | Takushoku University, Hachiouji Campus | Signal Transfer function for Short Range Wireless Communication with Multiple Reflection between Tx and Rx Antennas Thanh Phan Do, Kiyomichi Araki, Takayuki Kohama, Yuki Iida, Takuichi Hirano, Jiro Hirokawa, Makoto Ando (Tokyo Tech)  AP2015-171 |
We construct a novel signal flow graph (SFG) to express radio wave propagation characteristics between two antennas in s... [more] | AP2015-171 pp.21-26 |
| EMCJ, IEE-EMC, MW, EST [detail] | 2015-10-23 15:00 |
Miyagi | Sakura Hall, Katahira Campus, Tohoku Univ. | Design of Low Loss 60 GHz CMOS On-Chip Dipole Antenna By Helium-3 Ion Irradiation Takuichi Hirano, Ning Li, Kenichi Okada, Akira Matsuzawa, Jiro Hirokawa, Makoto Ando (Tokyo Tech.), Tsuyoshi Inoue, Hitoshi Sakane (SHIEI) EMCJ2015-79 MW2015-118 EST2015-89 |
60 GHz CMOS on-chip antenna is low radiation efficiency due to large loss of silicon (Si) substrate. In this paper, a 60... [more] | EMCJ2015-79 MW2015-118 EST2015-89 pp.123-127 |
| EST | 2015-09-03 10:30 |
Okinawa | Oohama-Nobumoto-Kinenkan, Ishigaki Island, Okinawa, Japan | Statistical Analysis of Rain Toward Route Switching of Millimeter-Wave Wireless Network Takuichi Hirano, Jiro Hirokawa, Makoto Ando (Tokyo Tech.), Riichiro Nagareda, Akira Yamaguchi (KDDI Labs.), Hitoshi Nagahori, Toru Taniguchi (JRC) EST2015-54 |
Statistic properties of rainfall in Tokyo are presented in this report. Average rain duration as a function of rain rate... [more] | EST2015-54 pp.7-11 |
| EMT, MW, OPE, MWP, EST, IEE-EMT [detail] | 2015-07-17 13:25 |
Hokkaido | Kushiro City Lifelong Learning Center | Design of a Pentagonal Patch Antenna Attached to the Body Takuichi Hirano, Jiro Hirokawa, Makoto Ando (Tokyo Tech), Takamaro Kikkawa (Hiroshima Univ.) EMT2015-38 MW2015-76 OPE2015-50 EST2015-42 MWP2015-41 |
Antennas must be designed with considering human body in applications such as ultra wideband (UWB) radar for breast canc... [more] | EMT2015-38 MW2015-76 OPE2015-50 EST2015-42 MWP2015-41 pp.171-174 |
| EST, OPE, LQE, EMT, PN, MWP, IEE-EMT [detail] | 2015-01-30 17:25 |
Osaka | Analysis of Effective Material Property for Two Dimensional Periodic Arrays of Metal Strips Takuichi Hirano, Jiro Hirokawa, Makoto Ando (Tokyo Tech.) PN2014-76 OPE2014-201 LQE2014-188 EST2014-130 MWP2014-98 |
Millimeter-wave complementary metal oxide semiconductor (CMOS) radio frequency (RF) circuits have been received substant... [more] | PN2014-76 OPE2014-201 LQE2014-188 EST2014-130 MWP2014-98 pp.321-325 |
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| EMCJ, IEE-EMC, MW, EST [detail] | 2014-10-24 11:10 |
Akita | Akita Prefectural Univ. | Electromagnetic Simulation of a Circular Patch Antenna at 2.45 GHz Band Attached to the Body Takuichi Hirano, Jiro Hirokawa, Makoto Ando (Tokyo Tech.), Takamaro Kikkawa (Hroshima Univ.) EMCJ2014-59 MW2014-115 EST2014-73 |
Antennas must be designed with considering human body in applications such as ultra wideband (UWB) radar for breast canc... [more] | EMCJ2014-59 MW2014-115 EST2014-73 pp.97-100 |
| AP, WPT (Joint) |
2014-10-16 13:20 |
Hokkaido | Hokkaido University, Clark Memorial Student Center | Wideband design of a perturbed circular-polarization aperture antenna excited by an X-shaped cavity Tatsuya Yamamoto, Miao Zhang, Jiro Hirokawa, Takuichi Hirano, Makoto Ando (Tokyo Tech) AP2014-117 |
The circularly-polarized plate-laminated waveguide slot array antenna achieved 3.3% bandwidth for antenna efficiency mor... [more] | AP2014-117 pp.49-54 |
| AP, MW (Joint) |
2014-09-18 13:10 |
Tokyo | Tokyo Institute of Technology, Ookayama Campus | Error Reduction of Shortened Far-Field Gain Measurement with Least-Square Curve Fitting Yuki Iida, Takuichi Hirano, Makoto Ando, Jiro Hirokawa (Tokyo Inst. of Tech.) AP2014-96 |
Shortened far-field measurement has been proposed for one of gain measurements in far field that is unnecessary to repla... [more] | AP2014-96 pp.23-26 |
| EMCJ, EST | 2014-09-12 15:40 |
Hokkaido | Kitami Inst. Technology | Influence and De-Embedding of SMA Connectors in Microwave Measurements Takuichi Hirano, Jiro Hirokawa, Makoto Ando (Tokyo Inst. of Tech.) EMCJ2014-42 EST2014-56 |
SubMiniature version A (SMA) connectors are often used in microwave measurement. Connectors are necessary to connect cab... [more] | EMCJ2014-42 EST2014-56 pp.63-67 |
| MW, OPE, EMT, MWP, EST, IEE-EMT [detail] | 2014-07-17 16:10 |
Hokkaido | Muroran Inst. of Tech. | A Study of Gain Calculation for Antennas in a Lossy Medium Takuichi Hirano, Jiro Hirokawa, Makoto Ando (Tokyo Tech) MW2014-68 OPE2014-37 EST2014-29 MWP2014-26 |
Propagation characteristic in a lossy media need to be considered in some applications such as ultra wideband (UWB) rada... [more] | MW2014-68 OPE2014-37 EST2014-29 MWP2014-26 pp.113-116 |
| AP (2nd) |
2014-05-15 - 2014-05-16 |
Ishikawa | The Kanazawa Theatre | A method for predicting rain attenuation in millimeter-wave wireless mesh networks Riichiro Nagareda, Hiroshi Hanano, Akira Yamaguchi (KDDI R&D Labs.), Hung Vu Le, Takuichi Hirano, Makoto Ando (Tokyo Tech.) |
MilliMeter-Wave (mmW) backhaul networks flexibly expand the service area of cellular system where dense small cells are ... [more] | |
| AP | 2014-03-11 09:55 |
Fukushima | Koriyama City Rodo Fukushi Kaikan | Evaluation of Error Due to Mutual Coupling in Shortened Far-Field Gain Measurement by Electromagnetic Simulation Takuichi Hirano, Jiro Hirokawa, Makoto Ando (Tokyo Tech) AP2013-191 |
In this report, the error due to the mutual coupling in shortened far-field gain measurement is investigated via numeric... [more] | AP2013-191 pp.37-40 |
| MWP, EMT, PN, LQE, OPE, EST, IEE-EMT [detail] | 2014-01-24 09:00 |
Kyoto | Doshisha University | Electromagnetic Simulation of High Resistance Silicon Substrate by Helium ion Irradiation Yuki Yao, Takuichi Hirano, Ning Li, Kenichi Okada, Akira Matsuzawa, Jiro Hirokawa, Makoto Ando (Tokyo Inst. of Tech.), Takeshi Inoue, Akinori Masaoka, Hitoshi Sakane (SEI) PN2013-61 OPE2013-175 LQE2013-161 EST2013-110 MWP2013-81 |
A helium(He)-3 ion bombardment technique has been proposed for creating locally high resistivity silicon substrate areas... [more] | PN2013-61 OPE2013-175 LQE2013-161 EST2013-110 MWP2013-81 pp.181-185 |
| RCS, AP (Joint) |
2013-11-20 14:00 |
Shimane | Matsue Terrsa | Wideband Design of a 45-degree Linearly-polarized Plate-laminated Waveguide Slot Array Antenna Takashi Tomura, Jiro Hirokawa, Takuichi Hirano, Makoto Ando (Tokyo Inst. of Tech.) AP2013-100 |
The 45-degree linearly-polarized plate-laminated waveguide slot array antenna has achieved 9.6% gain bandwidth more than... [more] | AP2013-100 pp.1-5 |
| RCS, AP (Joint) |
2013-11-20 15:50 |
Shimane | Matsue Terrsa | Electromagnetic Simulation of Radiation Efficiency Improvement for an On-chip Antenna by a High Resistivity Substrate Supposing Ion Irradiation Yuki Yao, Takuichi Hirano, Kenichi Okada, Jiro Hirokawa, Makoto Ando (Titech) AP2013-104 |
We have analyzed on-chip antennas integrated in CMOS using a partially low loss Si substrate by the electromagnetic fiel... [more] | AP2013-104 pp.25-30 |
| EST, MWP, OPE, MW, EMT, IEE-EMT [detail] | 2013-07-18 10:20 |
Hokkaido | Wakkanai Synthesis Cultural Center | Electrostatic Analysis of Effective Permittivity for Microstructure Takuichi Hirano, Jiro Hirokawa, Makoto Ando (Tokyo Inst. of Tech.) MW2013-50 OPE2013-19 EST2013-14 MWP2013-9 |
The authors have proposed evaluation technique of effective material property for dummy metal fills, which is inevitable... [more] | MW2013-50 OPE2013-19 EST2013-14 MWP2013-9 pp.13-18 |
| PN, EMT, LQE, OPE, MWP, EST, IEE-EMT [detail] | 2013-01-24 14:15 |
Osaka | Osaka Univ. (Suita) | Evaluation of Computational Cost for Electromagnetic Simulators Takuichi Hirano, Jiro Hirokawa, Makoto Ando (Tokyo Tech) PN2012-43 OPE2012-152 LQE2012-144 EST2012-79 MWP2012-61 |
Electromagnetic simulators become necessary tools in microwave and antenna engineering these days. They are widely used ... [more] | PN2012-43 OPE2012-152 LQE2012-144 EST2012-79 MWP2012-61 pp.79-83 |
| EST, EMCJ, IEE-EMC [detail] | 2012-10-25 15:30 |
Miyagi | Tohoku Gakuin University(Tagajo Campus) | Electromagnetic Simulation of Radiation Efficiency for On-Chip Dipole/Loop/Patch Antennas on a Si CMOS Substrate Takuichi Hirano, Kenichi Okada, Jiro Hirokawa, Makoto Ando (TokyoTech) EMCJ2012-73 EST2012-57 |
Electromagnetic simulation of radiation efficiency for on-chip dipole, loop and patch antennas were performed. It was co... [more] | EMCJ2012-73 EST2012-57 pp.55-60 |
| MW | 2012-10-18 13:05 |
Tochigi | Utsunomiya Univ. | Electromagnetic Analysis and Measurement of a Spiral Inductor and capacitor on a Silicon CMOS Substrate in the Millimeter-wave Band Takashi Sumida, Takuichi Hirano, Kenichi Okada, Jiro Hirokawa, Makoto Ando (Titech) MW2012-89 |
The electromagnetic (EM) modeling and EM simulation technique are discussed for an on-chip spiral inductor and a MIM cap... [more] | MW2012-89 pp.47-52 |
| MWP, OPE, MW, EMT, EST, IEE-EMT [detail] | 2012-07-27 10:55 |
Hokkaido | Hokkaido Univ. | Education of Electromagnetic Analysis for the Method of Moments, FDTD Method and the Finite Element Method Using One-Dimensional Problem Takuichi Hirano, Jiro Hirokawa, Makoto Ando (Tokyo Tech) MW2012-49 OPE2012-42 EST2012-31 MWP2012-30 |
Nowadays, many commercial electromagnetic (EM) simulators are available. EM simulation technology and simulators have im... [more] | MW2012-49 OPE2012-42 EST2012-31 MWP2012-30 pp.143-148 |
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