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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2024-06-13 14:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
A Consideration on Reducing the Influence of Array Errors in DOA Estimation Using Compressed Sensing Nobuyoshi Kikuma, Kokoa Nakano, Kunio Sakakibara, Yoshiki Sugimoto (NITech) |
(To be available after the conference date) [more] | |
| AP | 2024-03-14 10:25 |
Fukui | UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
Direction of arrival estimation using neural networks and Uniform Cross Array for LoS-MIMO transmission Motoshi Tawada, Yoshichika Ohta (SoftBank)  AP2023-202 |
The feeder link between the fixed ground station and the HAPS requires high capacity to accommodate the traffic of termi... [more] | AP2023-202 pp.7-10 |
| AP | 2024-03-14 14:25 |
Fukui | UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
[Invited Talk (Young Researcher)]
Bandwidth Enhancement Research for Reflectarray Antenna WEN WU, Qiang Chen (Tohoku Univ.) AP2023-207 |
This study addresses the intrinsic narrowband characteristics of reflectarray antennas (RAs) through innovative design a... [more] | AP2023-207 pp.35-38 |
| AP | 2024-03-15 11:25 |
Fukui | UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
Beamforming of Large-Scale Array Antennas by Quasi-Quantum Annealing using Real-number Maclaurin Expansion Mitoshi Fujimoto, Shogo Kaginushi (Univ. Fukui), Ryo Yamaguchi, Kazuma Tomimoto (Softbank) AP2023-214 |
Beyond5G and 6G are considering using higher frequency bands than the current mobile communication systems. Since radio ... [more] | AP2023-214 pp.74-79 |
| WPT | 2024-03-15 13:50 |
Kyoto | Kyoto-Univ. (Uji campus) (Primary: On-site, Secondary: Online) |
RF Characterization of Phased Array Antennas for Wireless Power Transmission Yumi Kawai (Hosei Univ), Tomohiko Mitani, Kotaro Matsumoto (Kyoto Univ), Seiji Kida (OMC), Hiroki Yanagawa (JSS), Kazuyosi Arai (Hosei Univ), Koji Tanaka (JAXA) WPT2023-54 |
In the ongoing project on long-range wireless power transmission (WPT), WPT experiments over km using aircraft are plann... [more] | WPT2023-54 pp.92-96 |
| WPT | 2024-03-15 15:50 |
Kyoto | Kyoto-Univ. (Uji campus) (Primary: On-site, Secondary: Online) |
Analysis and LED Illumination Using Wi-Fi Tethering for Novel Crossed Dipole Rectenna Array Tamami Maruyama, Olan Heinen, Noa Ebita, Akari Kamada, Masashi Nakatsugawa (NIT, Hakodate College), Masaya Tamura (Toyohashi University of Technology), Noriharu Suematsu (Tohoku University) WPT2023-58 |
This study proposes a novel cross-dipole type rectenna array that utilizes the lead wires of two LEDs and rectifying dio... [more] | WPT2023-58 pp.111-116 |
| SIP, IT, RCS | 2024-01-18 17:35 |
Miyagi | (Primary: On-site, Secondary: Online) |
Analysis of antenna selection based adaptive antenna for interference cancellation Jumpei Shimaoka, Kenta Umebayashi (Tokyo Univ. of Agriculture and Technology), Antti Tolli (University of Oulu) IT2023-49 SIP2023-82 RCS2023-224 |
Adaptive antenna array based on two antenna selection (AAA-TS: Adaptive Antenna Array based on Two antenna Selection) is... [more] | IT2023-49 SIP2023-82 RCS2023-224 pp.99-104 |
| AP, WPT (Joint) |
2024-01-18 09:55 |
Niigata | Tokimate, Niigata University (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Expansion of Virtual BF Antenna Construction Method Using Rotating Reflector Antenna for Polarized MIMO Evaluation Tomonori Ikeda, Toshiki Hozen, Kazuma Tomimoto, Ryo Yamaguchi, Masayuki Miyashita, Ayumu Yabuki (SoftBank) AP2023-168 |
The use of terahertz band is being considered for six-generation mobile communications, and the use of beamforming anten... [more] | AP2023-168 pp.47-51 |
| AP (2nd) |
2024-01-08 - 2024-01-10 |
Overseas | EPU, Hanoi | [Invited Talk]
Design of circularly polarized folded reflectarrays with arbitrary aperture field distribution Makoto Sano, Ryuji Kuse, Takeshi Fukusako (Kumamoto Univ.) |
This paper presents a method of realizing circularly polarized (CP) folded reflectarrays with arbitrary aperture field d... [more] | |
| AP (2nd) |
2024-01-08 - 2024-01-10 |
Overseas | EPU, Hanoi | Microstrip antenna unit for beam steering antennas using dielectric constant control with liquid crystals Hiroki Nakamura, Keizo Cho (CIT), Takuya Okura, Hiroyuki Tsuji (NICT) |
This manuscript discusses the results of investigating the structural elements for a beam steering antenna utilizing nem... [more] | |
| AP, RCS (Joint) |
2023-11-16 15:10 |
Kumamoto | Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
[Tutorial Lecture]
Basics of Reflectarray Antennas and Application to Small Satellites Takashi Tomura (Tokyo Tech) AP2023-146 |
Reflectarray antennas have features of both reflector antenna and array antenna and realize high antenna gain characteri... [more] | AP2023-146 pp.80-85 |
| AP, RCS (Joint) |
2023-11-17 13:25 |
Kumamoto | Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Antenna Integrated Techniques and Problems in Sub-THz Band Kunio Sakakibara, Yoshiki Sugimoto, Rohani Bakar, Takanori Narita, Motoko Sakamoto, Bazilah Baharom, Chatchai Chockchai, Shumpei Kishi, Takuya Sugiyama, Takeyuki Tsuchida, Azuki Iwamoto, Atsuya Yamazaki, Taisuke Uemura, Nobuyoshi Kikuma (NITech) AP2023-151 RCS2023-174 |
We are in the development of sub-terahertz antennas in 300 GHz band. Technical problems in this frequency band are picke... [more] | AP2023-151 RCS2023-174 pp.110-115(AP), pp.113-118(RCS) |
| AP | 2023-10-19 13:00 |
Iwate | Iwate University (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Effects of mutual coupling on wireless power transmission Yoshihiro Shinagawa, Mitoshi Fujimoto (Fukui Univ.) AP2023-106 |
In recent years, wireless power transmission technology, which uses radio waves to transmit power to terminals, has been... [more] | AP2023-106 pp.69-70 |
| AP | 2023-10-19 13:00 |
Iwate | Iwate University (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Performance Evaluation of Three Directivity Control Techniques for Increasing Number of Elements in Array Antennas
-- Comparison of analysis using Array Factor, E-MIMO, and Retrodirective methods -- Hinata Kato, Qiaowei Yuan (Tohoku Institute of Technology) AP2023-113 |
The E-MIMO principal method was developed by this laboratory to calculate the maximum efficiency of MIMO systems, and it... [more] | AP2023-113 pp.94-95 |
| AP | 2023-10-20 15:20 |
Iwate | Iwate University (Primary: On-site, Secondary: Online) |
Beamforming of Large-Scale Array Antennas by Quasi-Quantum Annealing Mitoshi Fujimoto, Shogo Kaginushi (Univ. Fukui), Ryo Yamaguchi, Kazuma Tomimoto (Softbank) AP2023-127 |
Beyond5G and 6G are considering using higher frequency bands than the current mobile communication systems. Since radio ... [more] | AP2023-127 pp.153-157 |
| MIKA (3rd) |
2023-10-11 14:30 |
Okinawa | Okinawa Jichikaikan (Primary: On-site, Secondary: Online) |
[Poster Presentation]
DOA Estimation of Desired Waves Using MUSIC Algorithm with Multiple Cyclic Correlations Yasuhiro Teshima, Nobuyoshi Kikuma, Kunio Sakakibara, Yoshiki Sugimoto (NITech) |
With the development of wireless communications, it is essential to understand the detailed structure of radio propagati... [more] | |
| AP | 2023-08-31 10:55 |
Tokyo | KOZO KEIKAKU ENGINEERING Inc. (Primary: On-site, Secondary: Online) |
A Novel Feeding Method for Broadband Series-fed Omnidirectional Antennas Sirao Wu, Junyi Xu, Qiang Chen (Tohoku Univ.) AP2023-67 |
This paper presents a novel omnidirectional horizontally polarized (OHP) dipole antenna array with broadband designed fo... [more] | AP2023-67 pp.7-10 |
| SRW, MICT, WBS | 2023-07-20 11:25 |
Niigata | Niigata Univ. TOKIMATE (Primary: On-site, Secondary: Online) |
A Study on Orthogonal Directional MIMO Transmission by Using Dipole Antenna Array with Different Element Lengths Maki Arai (Tokyo Univ. of Science) WBS2023-14 SRW2023-12 MICT2023-11 |
To increase the channel capacity of wireless communications, a MIMO (Multiple-Input Multiple-Output) technology is impor... [more] | WBS2023-14 SRW2023-12 MICT2023-11 pp.7-12 |
| SRW, MICT, WBS | 2023-07-21 12:15 |
Niigata | Niigata Univ. TOKIMATE (Primary: On-site, Secondary: Online) |
Measurement of human body blocking for inter-WBAN interference in user-dense condition using 2 by 2 elements patch array antenna at 15 GHz Renta Fukui, Kohei Akimoto, Teruo Tobana (Akita Prefectural Univ.) WBS2023-24 SRW2023-22 MICT2023-21 |
Wireless body area network (WBAN) is a communication system between multiple devices on the human body. Inter-network in... [more] | WBS2023-24 SRW2023-22 MICT2023-21 pp.55-60 |
| AP, SANE, SAT (Joint) |
2023-07-12 15:50 |
Hokkaido | The Citizen Activity Center (Primary: On-site, Secondary: Online) |
A Study on On-board Array-fed Shaped Reflector Antenna for 21-GHz band Broadcasting Satellite towards Use of Dual Circular Polarization Masashi Kamei, Masafumi Nagasaka (NHK) AP2023-34 SANE2023-24 SAT2023-15 |
We are studying 21-GHz band satellite broadcasting systems to build next-generation broadcasting media. To counter a pro... [more] | AP2023-34 SANE2023-24 SAT2023-15 pp.24-27(AP), pp.19-22(SANE), pp.33-36(SAT) |
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