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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| NS, RCS (Joint) |
2024-12-19 17:15 |
Hokkaido | Hakodate Arena + Online (Primary: On-site, Secondary: Online) |
Energy Efficiency Improvement by Transmission Parameter Selection Using Reinforcement Learning in LoRa Systems Ryota Ariyoshi (UEC), Mikio Hasegawa (TUS), Tomoaki Ohtsuki (Keio Univ.), Aohan Li (UEC)  RCS2024-188 |
(To be available after the conference date) [more] | RCS2024-188 pp.74-79 |
| WBS, ITS, RCC | 2024-12-04 12:40 |
Kagoshima | Kagoshima Prefectural Culture Center (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Challenges and prospects of communication technology supporting electric power infrastructure Daiji Kawashima, Rinzou Yamaoka, Hiroaki Yamaguchi, Yuta Hiramatsu (Kyushu Electric Power Transmission and Distribution) WBS2024-37 ITS2024-18 RCC2024-42 |
The transmission and distribution companies build, maintain, and operate their own communication networks for power cont... [more] | WBS2024-37 ITS2024-18 RCC2024-42 p.38 |
| MIKA (3rd) |
2024-10-28 15:40 |
Okayama | Okayama Convention Center | [Poster Presentation]
The Flight Control Experiment of a Drone Using a Light Source Position Estimation System Ryo Goto, Takayuki Matsumuro, Kazunobu Serizawa, Susumu Ano, Satoru Shimizu (ATR) |
In recent years, drones have been utilized across various fields, including industry, agriculture, and disaster response... [more] | |
| CQ, MIKA (Joint) |
2024-09-25 15:50 |
Hokkaido | (Primary: On-site, Secondary: Online) |
Study on Efficient Wireless Power Transfer Using Remaining Battery Capacity Feedback Takahiro Matsuda, Yuna Sawada, Shino Shiraki (TMU), Shigeo Shioda (Chiba Univ.), Takefumi Hiraguri (NIT), Kazuki Maruta (TUS), Tomotaka Kimura (Doshisha Univ.) CQ2024-56 |
We propose a transmission control method for wireless power transfer (WPT) that sends a radio signal according to the re... [more] | CQ2024-56 pp.69-74 |
| IN, RCS, NV (Joint) |
2024-05-31 15:05 |
Fukuoka | Fukuoka University | [Encouragement Talk]
NOMA-Based Highly-Efficient Low-Latency HARQ Method with Inter-Base Station Cooperation for URLLC Kenichi Higuchi, Ryota Kobayashi, Takanori Hara (Tokyo Univ. of Science), Yasuaki Yuda (Panasonic Holdings) RCS2024-27 |
This paper extends our previously reported non-orthogonal multiple access (NOMA)-based highly-efficient and low-latency ... [more] | RCS2024-27 pp.57-63 |
| NS, IN (Joint) |
2024-03-01 10:45 |
Okinawa | Okinawa Convention Center | The Impact of Network Quality on Video Transmission Using 802.11ah Homare Sakurai, Yoshiko Sueda (Meisei Univ.), Koike Arata (Tokyo Kasei Univ.) IN2023-97 |
In various industrial sectors and in our daily lives, the use of IoT (Internet of Things) is rapidly progressing. The co... [more] | IN2023-97 pp.189-194 |
| AP, RCS (Joint) |
2023-11-17 09:30 |
Kumamoto | Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
A Study on Null Depth Control using Multiple Null Constrained transmission directivity control for Microwave Wireless Power Transmission Katsutoshi Kawai, Tomoyuki Nakasha, Yuuya Tanaka (Kyocera) AP2023-147 |
In adaptive array transmission, beamforming performance can be improved by controlling the null depth. In microwave wire... [more] | AP2023-147 pp.86-91 |
| 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 |
| RCS, SAT (Joint) |
2023-08-31 15:30 |
Nagano | Naganoken Nokyo Building, and online (Primary: On-site, Secondary: Online) |
[Encouragement Talk]
Two-Way Transmission Technology Using HAPS Relay Station in Space-Air-Ground Integrated Networks and Future Prospects Masaki Takahashi, Yuichi Kawamoto, Nei Kato (Tohoku Univ.) SAT2023-40 |
In the 6G era, it is necessary to reduce dependence on terrestrial networks by developing a communications infrastructur... [more] | SAT2023-40 pp.31-34 |
| CS | 2023-07-27 09:56 |
Tokyo | Hachijo-machi Chamber of Commerce and Industry | Proposal of a new packet-based wireless power transmission analysis method Yuma Takahashi, Takefumi Hiraguri (NIT), Kazuki Maruta, Shuma Okita (TUS), Takahiro Matsuda (TMU), Tomotaka Kimura (DU) CS2023-25 |
This research proposes a method of feeding power to terminals via wireless power transmission. The proposed method is ch... [more] | CS2023-25 pp.26-29 |
| EE, IEE-SPC | 2023-07-21 11:35 |
Hyogo | (Primary: On-site, Secondary: Online) |
A Study on Power Packet Density Modulation Considering Bi-directional Power Transmission Kento Hiwatashi, Shiu Mochiyama, Takashi Hikihara (Kyoto Univ.) EE2023-16 |
Power packetization has been proposed as a power transmission method for autonomous mobile systems that are disconnected... [more] | EE2023-16 pp.84-89 |
| AP | 2023-03-17 09:30 |
Toyama | Toyama Prefectural Civic Hall (Primary: On-site, Secondary: Online) |
A Study on the Transmission Directivity Control using wide-angle nulling for the Wireless Power Transmission Katsutoshi Kawai, Tomoyuki Nakasha, Yuuya Tanaka (Kyocera), Mitoshi Fujimoto (Univ. of Fukui) AP2022-241 |
When the beam wireless power transmission is used in an indoor manned environment, the power transmission efficiency and... [more] | AP2022-241 pp.43-48 |
| AP | 2023-03-17 09:55 |
Toyama | Toyama Prefectural Civic Hall (Primary: On-site, Secondary: Online) |
Examination of directivity control method and operation frequency for wireless power transmission in indoor manned environment Tomoyuki Nakasha, Katsutoshi Kawai, Yuuya Tanaka (Kyocera), Mitoshi Fujimoto (Univ. of Fukui) AP2022-242 |
In recent years, beam wireless power transmission(WPT) systems supply energy for targets located on separate places have... [more] | AP2022-242 pp.49-54 |
| WPT (2nd) |
2022-12-05 - 2022-12-06 |
Kyoto | Uji Obaku Plaza Kihada Hall, Uji Campus, Kyoto University (Primary: On-site, Secondary: Online) |
Study of Partially Driven Array Antenna with the Coupling Lines Hiroyuki Kamada, Bo Yang, Wenyi Shao, Baku Takahara, Naoki Shinohara, Tomohiko Mitani (Kyoto Univ.) |
In the design of high-frequency, multi-element phased array antennas, simplification of power supply and phase control i... [more] | |
| RCS, AP, UWT (Joint) |
2022-11-15 14:55 |
Fukuoka | Kyushu University, and Online (Primary: On-site, Secondary: Online) |
Influence in Desired Direction of Meta-Surface Reflector by Transmission Antenna Position Doppo Sugimura, Mayumi Yoshino (Dengyo) AP2022-154 |
For the next generation system, in order to improve the service area, an MSR (Meta-Surface Reflector) which can control ... [more] | AP2022-154 pp.39-44 |
| MW | 2022-11-15 10:50 |
Nagasaki | Fukue-Bunka-Kaikan (Primary: On-site, Secondary: Online) |
Continuous Class-F/Inverse-Class-F 2-GHz-Band GaN-HEMT Power Amplifiers Using 1-Port CRLH Transmission Lines Eri Tsuji, Soshi Aonuma, Shinichi Tanaka (Shibaura Inst. of Tech.) MW2022-109 |
Highly efficient amplifiers capable of continuously processing harmonics over a wide bandwidth are attracting attention ... [more] | MW2022-109 pp.1-6 |
| MW | 2022-11-15 11:15 |
Nagasaki | Fukue-Bunka-Kaikan (Primary: On-site, Secondary: Online) |
Bandwidth Improvement of Power Amplifier Using Dispersion Engineering of 1-Port CRLH Transmission Line Ryota Mogami, Eri Tsuji, Shinichi Tanaka (Shibaura Inst. of Tech.) MW2022-110 |
In our previous paper, we reported a power amplifier using a 1-port CRLH transmission line (TL) as a harmonic tuning cir... [more] | MW2022-110 pp.7-12 |
| RCS | 2022-10-27 10:45 |
Ehime | Ehime University, and online (Primary: On-site, Secondary: Online) |
Investigation of NOMA-Based Highly-Efficient Low-Latency HARQ Method with Inter-Base Station Cooperation for URLLC Ryota Kobayashi, Takanori Hara (Tokyo Univ. of Science), Yasuaki Yuda (Panasonic), Kenichi Higuchi (Tokyo Univ. of Science) RCS2022-131 |
This paper extends our previously reported non-orthogonal multiple access (NOMA)-based high-efficient and low-latency hy... [more] | RCS2022-131 pp.19-24 |
| ICTSSL, IN, NWS, IEE-SMF | 2022-10-27 15:20 |
Nagano | Shinshu University (Primary: On-site, Secondary: Online) |
A Study on Sleep Time Determination Method for Landslide Disaster Sensing Data Transmission Scheduling during Heavy Rain Takumi Kondo, Makoto Kobayashi, Koichi Shin, Masahiro Nishi (HCU) ICTSSL2022-20 |
It is important to early provide evacuation notifications to prevent residents from landslide disaster. To provide appro... [more] | ICTSSL2022-20 pp.18-22 |
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