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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EMCJ | 2023-12-08 13:35 |
Shizuoka | Shizuoka University (Hamamatsu) | NSA Measurements using a Pair of Biconical Antennas Katsumi Fujii, Chakarothai Jerdvisanop (NICT)  EMCJ2023-81 |
For the NSA method, which is one of the methods to validate EMI test sites used in radiated disturbance measurements, it... [more] | EMCJ2023-81 pp.1-6 |
| MWPTHz | 2023-11-01 15:30 |
Online | Online (Zoom) | [Invited Talk]
Establishing experimental facilities for the Beyond 5G at NICT
-- B5G electromagnetic wave anechoic chamber -- Katsumi Fujii (NICT) MWPTHz2023-61 |
In order to study on the next-generation mobile communications networks (Beyond 5G/6G), NICT has established an electrom... [more] | MWPTHz2023-61 pp.13-16 |
| EST, MW, EMT, OPE, MWPTHz, IEE-EMT [detail] | 2023-07-21 15:40 |
Hokkaido | Muroran Institute of Technology (Primary: On-site, Secondary: Online) |
Analysis of Surface Impedance Using the Fast Inverse Laplace Transform and Prony's Method Kazuma Takeya (Hosei Univ.), Jerdvisanop Chakarothai (NICT), Jun Shibayama (Hosei Univ.), Yukihisa Suzuki (Tokyo Metropolitan Univ.), Katsumi Fujii (NICT) EMT2023-48 MW2023-66 OPE2023-48 EST2023-48 MWPTHz2023-44 |
We often employ the surface impedance method in analyzing the various electromagnetic (EM) problems of high-loss media. ... [more] | EMT2023-48 MW2023-66 OPE2023-48 EST2023-48 MWPTHz2023-44 pp.196-201 |
| AP | 2023-05-12 10:25 |
Okinawa | Okinawa Gender Equality Center (Primary: On-site, Secondary: Online) |
Investigation of terahertz band indoor propagation loss model Hirokazu Sawada, Kazuki Tsushima, Riku Yoshino, Keizo Inagaki, Atsushi Kanno, Katsumi Fujii, Jerdvisanop Chakarothai, Norihiko Sekine, Akifumi Kasamatsu, Hiroyo Ogawa, Takeshi Matsumura (NICT) AP2023-18 |
Sub-terahertz and terahertz waves are being considered for use in next-generation wireless communications to enable seve... [more] | AP2023-18 pp.54-58 |
| AP | 2022-10-19 12:20 |
Gifu | GIFU CITY CULTURE CENTER (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Scattering Performance of Endfire Reflectorarray With Linear Monopole Elements Ryogo Aoki, Keisuke Konno, Qiang Chen (Tohoku Univ.), Jerdvisanop Chakarothai, Katsumi Fujii (NICT), Yasutaka Murakami (UEC) AP2022-121 |
[more] | AP2022-121 pp.113-115 |
| RCC, WBS, SAT, MICT | 2022-05-25 14:55 |
Online | Online | Design of electromagnetic scattering wall for improvement of wireless communications quality at 28 GHz Yasutaka Murakami (UEC), Jerdvisanop Chakarothai, Lira Hamada, Katsumi Fujii (NICT) WBS2022-5 RCC2022-5 SAT2022-5 MICT2022-5 |
5G wireless communications use electromagnetic (EM) waves in 28 GHz band. In this frequency band, high-directivity (gain... [more] | WBS2022-5 RCC2022-5 SAT2022-5 MICT2022-5 pp.18-21 |
| RCS, SR, SRW (Joint) |
2022-03-03 09:55 |
Online | Online | A Consideration of Indoor Propagation Models in the 232-330 GHz Band Hirokazu Sawada, Takeshi Matsumura, Keizo Inagaki, Atsushi Kanno, Katsumi Fujii, Jerdvisanop Chakarothai, Norihiko Sekine, Akifumi Kasamatsu, Hiroyo Ogawa (NICT) SRW2021-72 |
[more] | SRW2021-72 pp.17-20 |
| AP, SANE, SAT (Joint) |
2021-07-30 14:05 |
Online | Online | [Invited Lecture]
Propagation study of 300 GHz band front hall wireless link for Beyond 5G AKihiko Hirata (CIT), Katsumi Fujii, Issei Watanabe, Norihiko Sekine, Akifumi Kasamatsu (NICT) AP2021-44 |
Recently, research and development of Beyond 5G mobile network systems has been activated. In Beyond 5G mobile network s... [more] | AP2021-44 pp.115-119 |
| EMCJ, MICT (Joint) |
2021-03-05 12:55 |
Online | Online | Monitoring of EMF Exposure from Mobile Phone Base Stations in Urban and Suburban Areas Teruo Onishi, Masao Taki, Sadaaki Shiota, Kaoru Gotoh, Kanako Wake, Katsumi Fujii, Soichi Watanabe (NICT) EMCJ2020-76 |
With the practical application of 5th generation mobile communication systems (5G), Internet of Things (IoT), and wirele... [more] | EMCJ2020-76 pp.22-25 |
| EMCJ, IEE-EMC, IEE-SPC | 2020-12-11 09:30 |
Online | Online | EMI Measurements below 30MHz using a Loop Antenna
-- Effect on Location of Feeding Gap of Loop Antenna -- Jun Chikayama (TUAT), Jerdvisanop Chakarothai, Katsumi Fujii, Kanako Wake (NICT), Takuji Arima, Toru Uno (TUAT) EMCJ2020-56 |
Recently, equipment including wireless power transfer system using electromagnetic (EM) waves below 30 MHz have been dev... [more] | EMCJ2020-56 pp.7-12 |
| AP (2nd) |
2020-12-10 13:20 |
Okinawa | Nobumoto Ohama Memorial Hall (Primary: On-site, Secondary: Online) |
300 GHz Antennas Pattern Measurement over the entire circumference
-- To Extend the Applicable Frequency Range of Recommendation ITU-R F.699 for 6G -- Keizo Inagaki, Hirokazu Sawada, Katsumi Fujii, Hiroyo Ogawa, Atsushi Kanno, Fumihide Kojima, Shingo Saito, Norihiko Sekine, Akifumi Kasamatsu, Iwao Hosako (NICT) |
[more] | |
| MW, EST, EMCJ, PEM, IEE-EMC [detail] | 2020-10-22 10:35 |
Online | Online | Investigation on Measurement Method of Radiated Electromagnetic Disturbance from EUTs Unable to Measure on Conventional Test Site Jerdvisanop Chakarothai, Katsumi Fujii, Yukio Yamanaka (NICT), Kimihiro Tajima (NTT-AT), Nobuyuki Mitsuzuka (TELEC) EMCJ2020-27 MW2020-41 EST2020-29 |
[more] | EMCJ2020-27 MW2020-41 EST2020-29 pp.14-19 |
| EMCJ | 2020-07-02 14:15 |
Online | Online | Design of an electromagnetic scattering wall applying array antenna theory
-- Reduction of the thickness with metamaterial structures -- Yasutaka Murakami, Jerdvisanop Chakarothai, Katsumi Fujii (NICT) EMCJ2020-13 |
5G wireless communications use electromagnetic (EM) waves in 28 GHz band. High-directivity(gain) antennas are actually u... [more] | EMCJ2020-13 pp.13-17 |
| EMCJ, IEE-SPC (Joint) |
2019-11-15 15:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Design of an electromagnetic scattering wall applying array antenna theory
-- Optimization for location of a transmitting antenna -- Yasutaka Murakami, Jerdvisanop Chakarothai, Katsumi Fujii (NICT) EMCJ2019-71 |
5G wireless communications use electromagnetic (EM) waves in 28 GHz band. High-directivity(gain) antennas are actually u... [more] | EMCJ2019-71 pp.1-6 |
| EMCJ, EMD, WPT, PEM (Joint) [detail] |
2019-07-19 11:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Calibration of Optical Electric-Field Probe in Liquid Phantom Using Sheathed Dipole Antenna Jerdvisanop Chakarothai (NICT), Nozomu Ishii (Niigata Univ.), Kanako Wake, Katsumi Fujii, Soichi Watanabe (NICT) |
In order to check compliance for MHz-band wireless power transfer systems, we have proposed a calibration method for ele... [more] | |
| WPT, PEM (Joint) |
2018-11-19 11:05 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Investigation of Calibration Method for Optoelectric Electric Field Probe by Standard Electric Field Method Using Shortened Monopole Antenna Jerdvisanop Chakarothai, Katsumi Fujii, Kanako Wake, Ifong Wu, Soichi Watanabe (NICT) |
[more] | |
| EE, WPT, IEE-SPC | 2018-07-03 10:45 |
Hokkaido | Hokkaido University | Evaluation of Contact Current for Wireless Power Transfer System in 100 kHz-band using Measured Electric Field Keisuke Arai (TUAT), Jerdvisanop Chakarothai, Kanako Wake, Fujii Katsumi, Soichi Watanabe (NICT), Takuji Arima, Toru Uno (TUAT) WPT2018-22 |
Since wireless power transfer (WPT) systems for electric vehicles (EV) may generate relatively strong electromagnetic (E... [more] | WPT2018-22 pp.67-71 |
| RCC, MICT | 2018-05-24 13:00 |
Tokyo | Tokyo Big Sight | [Poster Presentation]
Evaluation of Contact Current in Intermediate Frequency Using Measured Electric Field
-- Experimental Assessment near MF Broadcasting Station -- Jerdvisanop Chakarothai (NICT), Keisuke Arai (TUAT), Kanako Wake, Katsumi Fujii, Soichi Watanabe (NICT), Takuji Arima, Toru Uno (TUAT) RCC2018-11 MICT2018-11 |
Recently, there has been rapid development of wireless devices using intermediate frequency (IF; 300 Hz – 10 MHz) band. ... [more] | RCC2018-11 MICT2018-11 pp.51-55 |
| MWP | 2018-05-18 15:45 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Development of Waveguide Calorimeter for 200 GHz Band Power Standard Yuya Tojima, Moto Kinoshita, Hitoshi Iida (AIST), Katsumi Fujii (NICT) MWP2018-3 |
In recent years, research in communication application using a frequency range over 100 GHz is rapidly grown. To take th... [more] | MWP2018-3 pp.15-18 |
| AP | 2018-02-16 10:55 |
Tokyo | Kozo Keikaku Engineering, Inc. | [Invited Lecture]
Penetration Loss Measurement at 300 GHz Hirokazu Sawada, Kentaro Ishizu, Fumihide Kojima, Keizo Inagaki, Hiroyo Ogawa, Katsumi Fujii, Akifumi Kasamatsu, Iwao Hosako (NICT) AP2017-181 |
[more] | AP2017-181 pp.31-35 |
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