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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 60  /  [Next]  
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] 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)
 [more]
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
PEM
(Workshop)
2019-11-18
- 2019-11-19
Mie Sinfonia Technology Hibiki Hall Ise (Ise Tourism and Culture Hall) Calibration of an Optical Electric-Field Probe at Frequencies Below 30 MHz Using a Shortened Monopole Antenna
Jerdvisanop Chakarothai, Katsumi Fujii, Kanako Wake, Soichi Watanabe (NICT)
There is an increasing use of devices using electromagnetic fields at intermediate frequencies (300 Hz – 10 MHz) s... [more]
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]
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
AP
(2nd)
2017-10-24
13:35
Ibaraki AIST Tsukuba Central, Auditorium [Invited Lecture] Precision measurement technology of millimeter wave and terahertz wave power
Yuya Tojima, Moto Kinoshita, Hitoshi Iida (AIST), Katsumi Fujii (NICT)
 [more]
EMCJ, IEE-SPC
(Joint)
2017-06-05
13:55
Hokkaido Sapporo Convention Center Improved shunt-type AAN and its characteristics
Takashi Shinozuka, Katsumi Fujii (NICT), Kazuhiro Takaya, Yoshiharu Akiyama (NTT), Akira Sugiura, Osami Wada (Kyoto Univ.) EMCJ2017-23
(To be available after the conference date) [more] EMCJ2017-23
pp.13-18
EMCJ, IEE-EMC 2016-12-16
14:30
Aichi Nagoya Institute of Technology Theoretical study of EUT setup in the LAS measurement
Takashi Shinozuka, Katsumi Fujii (NICT), Akira Sugiura, Osami Wada (Kyoto Univ.) EMCJ2016-105
In the frequency range below 30MHz, radio disturbances generated by an EUT are measured with a LAS consisting of three l... [more] EMCJ2016-105
pp.31-36
MWP 2016-04-21
13:05
Tokyo Kikai-Shinko-Kaikan Bldg. [Invited Talk] Recent Trends of Measurement Stanards for Millimeter-Wave and THz Bands in NICT
Katsumi Fujii (NICT) MWP2016-1
This presentation describes recent trends on developments as the national standards in metrology for millimeter-wave ban... [more] MWP2016-1
pp.1-2
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