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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2022-10-19 12:20 |
Gifu | GIFU CITY CULTURE CENTER (Primary: On-site, Secondary: Online) |
[Poster Presentation]
A Study of Radio Wave Absorber for 920 MHz Band RFID System Takumu Minamoto, Keisuke Konno, Qiang Chen, Kunio Sawaya (Tohoku Univ.)  AP2022-122 |
[more] | AP2022-122 pp.116-118 |
| AP | 2020-03-27 13:50 |
Fukui | Fukui College (Cancelled but technical report was issued) |
Experimental Examination of The 920MHz Band RFID Detection Range Shun Kato, Takumi Meguro, Qiang Chen, Kunio Sawaya (Tohoku Univ.), Tsuyoto Negishi, Yoshiaki Hirano (Teijin) AP2019-209 |
This paper describes an experimental study on a method for limiting the RFID detection range in the 920 MHz band. The ef... [more] | AP2019-209 pp.67-72 |
| AP, SANE, SAT (Joint) |
2019-07-18 13:30 |
Miyagi | Tohoku Univ. | A Study of Two-dimensional leaky Wave Waveguide-fed Patch Antenna Array Takumi Meguro, Qiang Chen, Kunio Sawaya (Tohoku Univ.), Tsuyoto Negishi, Yoshiaki Hirano (TEIJIN) AP2019-32 SAT2019-14 |
Four-element patch antenna array fed by two-dimensional leaky wave waveguide is proposed. The radiating element can be p... [more] | AP2019-32 SAT2019-14 pp.59-62(AP), pp.35-38(SAT) |
| AP (2nd) |
2017-06-28 - 2017-06-30 |
Hokkaido | Hokkaido University | [Poster Presentation]
Elimination of low sensitivity area of a planar waveguide sheet by using slits and switching diversity Yusuke Ozawa, Kuanhua Chen, Qiang Chen, Kunio Sawaya (Tohoku Univ.), Machiko Oouchida, Masatomo Tokieda (Teijin) |
Recently, an RFID smart-shelf system has received a great attention. This system is capable of tracking and identifying ... [more] | |
| AP | 2013-03-14 10:30 |
Kanagawa | Yugawara-Shoko-Kaikan Bldg. | A Study of Design Method for Reflectarray by Induced Electromotive Force Method Keisuke Konno, Qiang Chen, Kunio Sawaya, Suguru Kameda, Noriharu Suematsu (Tohoku Univ.) AP2012-164 |
A design method of reflectarray by the induced electromotive force method is proposed. The effect of the angle of inci... [more] |
AP2012-164 pp.1-5 |
| EMCJ | 2013-01-10 15:20 |
Nagasaki | Nagasaki Univ. | Numerical and Experimental Study on Planar Waveguide Sheet with Switched Open/Short Termination Kuan-hua, Chen, Qiang Chen, Kunio Sawaya (Tohoku Univ.), Machiko Oouchida, Yoshiaki Hirano (Teijin) EMCJ2012-111 |
A planner waveguide sheet is used to improve the management efficiency of smart-shelf system. Radio frequency identifica... [more] | EMCJ2012-111 pp.53-56 |
| EST, EMCJ, IEE-EMC [detail] | 2012-10-25 16:10 |
Miyagi | Tohoku Gakuin University(Tagajo Campus) | [Special Talk]
Radiation Mechanism and Visualization of Electromagnetic Wave Kunio Sawaya (Tohoku Univ.) EMCJ2012-74 EST2012-58 |
Radiation mechanism of electromagnetic wave is discussed and the conditions of strong radiation from antennas and RF cir... [more] | EMCJ2012-74 EST2012-58 pp.61-64 |
| AP, MW (Joint) |
2012-09-27 13:25 |
Saitama | KDDI R&D LABS | A Study of Acceleration of Conjugate Gradient Method Using GPU Hajime Katsuda, Keisuke Konno, Qiang Chen, Kunio Sawaya (Tohoku Univ.), Kei Yokogawa, Qiaowei Yuan (Sendai National College of Technology), Toshihiro Sezai (JAXA) AP2012-86 |
In method of moments (MoM), large computing time consumption is a serious problem for solving a large-scale matrix equat... [more] | AP2012-86 pp.25-29 |
| AP, MW (Joint) |
2012-09-27 15:25 |
Saitama | KDDI R&D LABS | [Tutorial Lecture]
77 GHz Passive Millimeter-wave Imaging Device for Security Applications Hiroyasu Sato, Kunio Sawaya, Koji Mizuno (Tohoku Univ.), Masamune Takeda (Maspro Denkoh), Keiichi Morichika (Chuo Electronics) AP2012-87 |
[more] | AP2012-87 pp.31-36 |
| AP, SAT (Joint) |
2012-07-25 16:00 |
Hokkaido | Hokkaido Univ. | Research on Multi-Band Array Antennas for Mobile Phone Base Station Qiang Chen, Shinsuke Kiyono, Kunio Sawaya (Tohoku Univ.), Ken Tanaka (YAGI Antenna Inc) AP2012-44 |
[more] | AP2012-44 pp.81-84 |
| AP | 2012-06-14 14:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A Study of Accelerated MoM Computation Using GPU Hajime Katsuda, Keisuke Konno, Qiang Chen, Kunio Sawaya (Tohoku Univ.), Kei Yokogawa, Qiaowei Yuan (Sendai National College of Technology) AP2012-28 |
In method of moments (MoM), cost of too much computing time becomes a serious problem for numerical analysis of large-sc... [more] | AP2012-28 pp.25-30 |
| AP | 2012-04-19 10:05 |
Miyagi | Tohoku Univ. | Dual-Antenna System Using Series-fed Microstrip Antenna and Planar Yagi-Uda Antenna Jianfeng Li, Qiang Chen, Kunio Sawaya (Tohoku Univ.), Qiaowei Yuan (Sendai National College of Tech.) AP2012-2 |
[more] | AP2012-2 pp.7-10 |
| AP | 2012-04-19 13:00 |
Miyagi | Tohoku Univ. | Research on acceleration of Method of Moments using GPU Kei Yokogawa, Yuuki Saito, Qiaowei Yuan (SNCT), Toshihiro Sezai (JAXA), Hajime Katsuda, Keisuke Konno, Qiang Chen, Kunio Sawaya (Tohoku Univ.) AP2012-6 |
For numerical analysis of large-scale antennas, large CPU time is required for solving linear systems in Method of Momen... [more] | AP2012-6 pp.27-32 |
| AP | 2012-04-19 16:00 |
Miyagi | Tohoku Univ. | [Special Talk]
Study of antennas in plasma Kunio Sawaya (Tohoku Univ.) |
[more] | |
| AP, ITE-BCT | 2012-02-09 13:50 |
Hiroshima | NHK Hiroshima | Measurement of Diversity Antennas for Digital Terrestrial Television in Indoor Environment Yu Takeda, Qiang Chen, Kunio Sawaya (Tohoku Univ.), Tomohiro Mogi (YAGI Antenna Inc) AP2011-190 |
[more] | AP2011-190 pp.41-46 |
| AP, ITE-BCT | 2012-02-10 16:00 |
Hiroshima | NHK Hiroshima | Improvement of Object Recognition in Passive Millimeter-wave Imaging Using Cooling Tube with Parabolic Reflector Kohei Kuriyama, Hiroyasu Sato, Kunio Sawaya (Tohoku Univ.) AP2011-198 |
In order to improve the quality of object recognition characteristics in passive millimeter-wave (PMMW) imaging,a method... [more] | AP2011-198 pp.123-128 |
| AP, RCS (Joint) |
2011-11-17 10:10 |
Aichi | Nagoya Congress Center | Experimental Study on Improving Propagation Performance in Wireless Comminications Using Passive Repeaters Qiang Chen, Lin Wang (Tohoku Univ.), Shi-Wei Qu (Univ. of Electronic Science and Tech. of China), Qiaowei Yuan (Sendai National College of Tech.), Kunio Sawaya (Tohoku Univ.) AP2011-104 |
A passive repeater (PR), which comprises one 4-element folded-patch antenna (FPA) array, one planar Yagi-Uda array, and ... [more] | AP2011-104 pp.85-89 |
| RCS, AN, SR, USN (Joint) |
2011-10-26 13:40 |
Tokyo | Sophia Univ. | Development of a 5 GHz Band RF-Tag System for Ubiquitous Consumer electronics Hitoshi Kitayoshi, Kunio Sawaya (Tohoku Univ.) RCS2011-149 SR2011-52 AN2011-27 USN2011-29 |
A novel semi-passive multi-media RF-tag using 5 GHz band for distance/speed measurement and two-way communications over ... [more] | RCS2011-149 SR2011-52 AN2011-27 USN2011-29 pp.55-61(RCS), pp.57-63(SR), pp.37-43(AN), pp.37-43(USN) |
| AP, WPT (Joint) |
2011-10-14 10:10 |
Kanagawa | Kanagawa Womens Center | Effect of Impedance Matching on Efficiency of Wireless Power Transfer by Near-field Coupled Resonance Qiang Chen, Kazuhiro Ozawa, Shinsuke Kiyono (Tohoku Univ.), Qiaowei Yuan (Sendai National College of Technology), Kunio Sawaya (Tohoku Univ.) AP2011-82 |
[more] | AP2011-82 pp.31-35 |
| AP, WPT (Joint) |
2011-10-14 13:25 |
Kanagawa | Kanagawa Womens Center | Transfer Efficiency of WPT System Calculated by S-Parameters Qiaowei Yuan (SNCT), Qiang Chen, Kunio Sawaya (Tohoku Univ.) |
[more] | |
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