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All Technical Committee Conferences (All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2022-08-19 11:20 |
Tochigi | Tochigi Prefecture Industrial Center (Primary: On-site, Secondary: Online) |
Dual-Polarized Biparite Huygens'Metasaurface with Anomalous Wave Reflection for Local 5G Application Tanan Hongnara, Takayoshi Sasaki, Yoshiki Shirasawa, Katsumori Sasaki, Keisuke Sato, Ichiro Oshima (DKK), Keizo Cho (CIT), Naobumi Michishita (NDA), Hiroaki Nakabayashi (CIT) |
[more] | |
| AP, SANE, SAT (Joint) |
2022-07-27 14:30 |
Hokkaido | Asahikawa Taisetsu Crystal Hall (Primary: On-site, Secondary: Online) |
Wideband Orthogonal Polarized Omnidirectional Antenna Using Halo Antenna Tomokazu Mizutani, Naobumi Michishita (NDA), Hiroshi Sato, Yoshio Koyanagi (PSNRD), Hisashi Morishita (NDA) |
[more] | |
| AP, SANE, SAT (Joint) |
2022-07-29 12:40 |
Hokkaido | Asahikawa Taisetsu Crystal Hall (Primary: On-site, Secondary: Online) |
A Study of equivalent circuit parameters of Huygens' metasurface lense capable of changing transmission phase with low loss Maria Ishida, Keizo Cho (Chiba Inst of Tech), Naobumi Michishita (National Defense Academy), Tanan Hongnara, Takayoshi sasaki, Warangkana Chaihongsa, Keisuke Sato, Ichiro Oshima (DKK), Hiroaki Nakabayashi (Chiba Inst of Tech) |
[more] | |
| AP, SANE, SAT (Joint) |
2022-07-29 13:05 |
Hokkaido | Asahikawa Taisetsu Crystal Hall (Primary: On-site, Secondary: Online) |
Decoupling Method For Multiple Planar Inverted-F Antennas Using Parasitic Elements and Bridge Elements Phung Quang Quan, Naobumi Michishita (NDA), Hiroshi Sato, Yoshio Koyanagi (Panasonic), Hisashi Morishita (NDA) |
[more] | |
| AP (2nd) |
2022-06-10 10:35 |
Hokkaido | Nemuro General Cultural Center (Primary: On-site, Secondary: Online) |
Characteristics of an Antenna Composed of Metal Box with a Slot and Inner Folded Dipole Element Yukiko Wada, Naobumi Michishita, Hisashi Morishita (NDA), Atsushi Yamamoto, Kazuhiro Matsumoto, Tetsuya Hishikawa (Panasonic Corp.) |
[more] | |
| AP (2nd) |
2022-06-10 11:00 |
Hokkaido | Nemuro General Cultural Center (Primary: On-site, Secondary: Online) |
A Helmet Antenna with Disk-Loaded Monopole Structure for Disaster Prevention Taiyo Kai, Naobumi Michishita, Hisashi Morishita (NDA) |
[more] | |
| AP | 2022-04-15 11:25 |
Yamagata | Yamagata Syokuryo Kaikan (Primary: On-site, Secondary: Online) |
Excitation of Traveling Wave on Metal Casing Using Folded Dipole Antenna Takumi Nishime, Hiroshi Hashiguchi, Naobumi Michishita, Hisashi Morishita (National Defense Academy)  AP2022-5 |
Multiple antennas have been installed on mobile devices. Frequency bands used for communication are shifting to higher f... [more] | AP2022-5 pp.24-27 |
| AP | 2022-03-10 16:25 |
Online | Online | [Invited Talk (Young Researcher)]
Mutual Coupling Reduction Between Antennas by Using Electromagnetic Cloaking Thanh Binh Nguyen, Hiroshi Hashiguchi, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Teruki Miyazaki, Masato Tadokoro (The Yokohama Rubber Co., Ltd.) AP2021-191 |
Recently, with the increase in 5G and IoT (Internet of Thing) devices, the interference inside and outside wireless devi... [more] | AP2021-191 pp.50-55 |
| AP (2nd) |
2021-12-02 11:10 |
Okinawa | Miyakojima (Primary: On-site, Secondary: Online) |
A Study on Decoupling Method Operating at Single and Dual-Frequency for Planar Inverted-F Antennas by Using Parasitic Elements Quang Quan Phung, Naobumi Michishita (National Defense Academy), Hiroshi Sato, Yoshio Koyanagi (Panasonic System Networks R&D Lab.), Hisashi Morishita (National Defense Academy) |
In recent years, Multiple-Input Multiple-Output (MIMO) is known as an elemental technology for next-generation communica... [more] | |
| AP, RCS (Joint) |
2021-11-11 09:55 |
Nagasaki | NBC-Bekkan (Nagasaki) (Primary: On-site, Secondary: Online) |
Prototype Evaluation of Frequency Dispersive Phase Shifter for Dual Band Base Station Antenna Toshiki Soma, Keizo Cho (Chiba Inst. Tech.), Naobumi Michishita (National Defense Academy), Takayoshi Sasaki, Keisuke Sato, Ichiro Oshima (DKK), Hiroaki Nakabayashi (Chiba Inst. Tech.) AP2021-110 |
Multi-band base station antennas have the problem that interference to adjacent areas increases in the low frequency ban... [more] | AP2021-110 pp.56-60 |
| AP, RCS (Joint) |
2021-11-12 10:20 |
Nagasaki | NBC-Bekkan (Nagasaki) (Primary: On-site, Secondary: Online) |
Orthogonal Polarized Antenna Using Wideband Halo Antenna Tomokazu Mizutani, Naobumi Michishita (NDA), Hiroshi Sato, Yoshio Koyanagi (Panasonic), Hisashi Morishita (NDA) AP2021-122 |
[more] | AP2021-122 pp.112-115 |
| AP, RCS (Joint) |
2021-11-12 11:20 |
Nagasaki | NBC-Bekkan (Nagasaki) (Primary: On-site, Secondary: Online) |
A Sidelobe Reduction for Dual Frequency and Polarization Reflectarray Hiroshi Hashiguchi, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Hiromi Matsuno, Takuya Ohto, Masayuki Nakano (KDDI Research, Inc) AP2021-124 |
[more] | AP2021-124 pp.122-125 |
| MIKA (3rd) |
2021-10-29 10:30 |
Okinawa | (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Planar Sleeve Antenna with Choke Structure Composed of Zeroth-Order Resonator Keisuke Sakakibara, Hiroshi Hashiguchi, Naobumi Michishita, Hisashi Morishita (National Defense Academy) |
A choke structure of the sleeve antenna is required to suppress the leakage current. However, the choke length is 1/4 wa... [more] | |
| MW, AP (Joint) |
2021-09-09 14:00 |
Online | Online | Matching Circuit Design of Frequency Dispersive Phase Shifter for Dual Band Base Station Antenna Toshiki Soma, Keizo Cho (Chiba Inst. Tech.), Naobumi Michishita (National Defense Academy), Takayoshi Sasaki, Keisuke Sato, Ichiro Oshima (DKK), Hiroaki Nakabayashi (Chiba Inst. Tech.) AP2021-56 |
In a base station antenna that shares multiple frequency bands, The direction of radiation is the same in the shared fre... [more] | AP2021-56 pp.1-5 |
| AP, SANE, SAT (Joint) |
2021-07-29 10:50 |
Online | Online | Planar Sleeve Antenna with Choke Structure Composed of Zeroth-Order Resonator Keisuke Sakakibara, Hiroshi Hashiguchi, Naobumi Michishita, Hisashi Morishita (National Defense Academy) AP2021-34 |
A choke structure is required to suppress the leakage current of the sleeve antenna. The miniaturized sleeve antenna has... [more] | AP2021-34 pp.61-64 |
| AP (2nd) |
2021-06-18 11:05 |
Online | Online | Measurement of Cylindrical Cloak by Controlling Arrangement Density of Multi-Layer Ceramic Capacitors Thanh Binh Nguyen, Hiroshi Hashiguchi, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Teruki Miyazaki, Masato Tadokoro (Yokohama Rubber Co., Ltd) |
[more] | |
| AP | 2021-05-21 09:45 |
Online | Online | Mutual Coupling Reduction Between Dipole Antennas Using Mantle Cloak Thanh Binh Nguyen, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Teruki Miyazaki, Masato Tadokoro (Yokohama Rubber Co., Ltd.) AP2021-10 |
Recently, systems such as mobile terminals and digital terrestrial television broadcasting, ITS, RFID are used in the UH... [more] | AP2021-10 pp.7-11 |
| AP (2nd) |
2020-12-10 09:35 |
Okinawa | Nobumoto Ohama Memorial Hall (Primary: On-site, Secondary: Online) |
Bistatic RCS Measurement of Dual Band and Dual Polarized Reflectarray Cong Oai Nguyen, Kazuya Matsubayashi, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Hiromi Matsuno, Satoshi Ito, Takahiro Hayashi, Masayuki Nakano (KDDI Research) |
In the fifth generation wireless communication systems, high frequency band such as the 28 GHz is used to high data rate... [more] | |
| RCS, AP, UWT (Joint) |
2020-11-25 09:25 |
Online | Online | Mantle Cloak Antenna by Controlling Surface Reactance of Dielectric Loaded Dipole Antenna Thanh Binh Nguyen, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Teruki Miyazaki, Masato Tadokoro (The Yokohama Rubber Co., Ltd.) AP2020-73 |
Recently, antennas for various systems are often placed in proximity in a narrow space with the miniaturization of wirel... [more] | AP2020-73 pp.1-6 |
| MW, AP (Joint) |
2020-09-25 09:00 |
Online | Online | A Study on Decoupling Method for Two PIFAs Using Parasitic Elements and Consideration by Characteristic Mode Analysis Quang Quan Phung, Naobumi Michishita (NDA), Hiroshi Sato, Yoshio Koyanagi (Panasonic), Hisashi Morishita (NDA) AP2020-59 |
Recently, Massive MIMO (Multiple-Input Multiple-Output) has been developed as an elemental technology for next-generatio... [more] | AP2020-59 pp.116-120 |
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