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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 67  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
AP 2024-03-15
14:00
Fukui UNIVERSITY OF FUKUI
(Primary: On-site, Secondary: Online)
Eigenvalue Analysis of Radio Propagation Utilizing Hollow Cylindrical Concrete Structures in Sea Water
Nozomu Ishii, Naoki Kuzuu (Niigata Univ.), Masaharu Takahashi (Chiba Univ.), Qiaowei Yuan (Tohoku Inst. Tech.), Qiang Chen (Tohoku Univ.), Hiroshi Yoshida (JAMSTEC) AP2023-217
 [more] AP2023-217
pp.91-96
AP 2024-03-15
14:25
Fukui UNIVERSITY OF FUKUI
(Primary: On-site, Secondary: Online)
Distribution of Electromagnetic Fields of Radio Propagation Utilizing Hollow Cylindrical Concrete Structures in Sea Water
Qiaowei Yuan, Norihito Yamato (Tohoku Inst. Tech), Nozomu Ishii (Niigata Univ.), Masaharu Takahashi (Chiba Univ.), Qiang Chen (Tohoku Univ.), Hiroshi Yoshida (JAMSTEC) AP2023-218
 [more] AP2023-218
pp.97-101
AP 2024-03-15
15:00
Fukui UNIVERSITY OF FUKUI
(Primary: On-site, Secondary: Online)
Coaxial-Mode Analysis of Radio Propagation Utilizing Hollow Cylindrical Concrete Structures in Seawater
Jialu Wang, Qiang Chen (Tohoku Univ.), Nozomu Ishii (Niigata Univ.), Qiaowei Yuan (Tohoku Inst. Tech.), Masaharu Takahashi (Chiba Univ.) AP2023-219
Underwater radio communications leverage the coaxial structure formed by the hollow cylindrical concrete foundation of o... [more] AP2023-219
pp.102-104
AP 2024-03-15
15:25
Fukui UNIVERSITY OF FUKUI
(Primary: On-site, Secondary: Online)
Frequency Analysis of Radio Propagation Utilizing Hollow Cylindrical Concrete Structures in Sea Water
Kaito Ishikawa, Masaharu Takahashi (Chiba Univ.), Nozomu Ishii (Niigata Univ.), Qiaowei Yuan (Tohoku Inst. Tech.), Qiang Chen (Tohoku Univ.), Hiroshi Yoshida (JAMSTEC) AP2023-220
As one of the applications of electromagnetic waves in the ocean, we conducted a basic study of a system for communicati... [more] AP2023-220
pp.105-108
WPT 2024-03-14
10:40
Kyoto Kyoto-Univ. (Uji campus)
(Primary: On-site, Secondary: Online)
Enhancing Magnetic Field Measurement Accuracy in Wireless Power Transfer Systems
Yunchong Tang, Qiaowei Yuan (Tohtech) WPT2023-37
In the development of Wireless Power Transfer (WPT) systems, it is essential to ensure that unwanted radiation meets the... [more] WPT2023-37
pp.12-15
AP 2023-10-19
10:00
Iwate Iwate University
(Primary: On-site, Secondary: Online)
[Poster Presentation] Enhanced Accuracy in AR-based Electromagnetic Field Visualization with Confirming Probe’s Performance
Yunchong Tang, Qiaowei Yuan, Norihito Yamato (Tohtech) AP2023-95
Visualizing electromagnetic field (EMF) offers an intuitive method for the general public and students to comprehend the... [more] AP2023-95
pp.37-40
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
WPT 2023-03-17
12:35
Kyoto Kyoto-Univ. (Uji campus)
(Primary: On-site, Secondary: Online)
[Poster Presentation] Creating a 13.56 MHz matching circuit
Hinata Kato, Tang Yunchong, Norihito Yamato, Kazuma Hariu, Hiroto Sato, Qiaowei Yuan (Tohtech) WPT2022-49
In wireless power transmission technology, matching circuits are very important because power transmission efficiency de... [more] WPT2022-49
pp.89-90
WPT
(2nd)
2022-12-05
- 2022-12-06
Kyoto Uji Obaku Plaza Kihada Hall, Uji Campus, Kyoto University
(Primary: On-site, Secondary: Online)
High Gain Patch Array Antenna Covered by Dielectric Slab for Wireless Power Transfer Systems
Yukina Ono, Keisuke Konno, Qiang Chen (Tohoku Univ.), Qiaowei Yuan (Tohoku Institute of Technology)
High gain antennas such as array antennas are necessary for efficient wireless power transfer systems. In order to in-cr... [more]
WPT
(2nd)
2022-12-05
- 2022-12-06
Kyoto Uji Obaku Plaza Kihada Hall, Uji Campus, Kyoto University
(Primary: On-site, Secondary: Online)
Automatized AR-based EM Field Visualization Technology
Yunchong Tang, Qiaowei Yuan (Tohtech)
It is necessary to create an intuitive way for consumers and public people to alleviate their concerns about the safety ... [more]
WPT 2021-03-04
10:50
Online Online Array antenna beamforming according to MIMO-WPT maximum power transfer
Qiaowei Yuan (TOHTECH) WPT2020-36
 [more] WPT2020-36
pp.14-19
SR 2019-01-24
13:05
Fukushima Corasse, Fukushima city (Fukushima prefecture) [Invited Talk] Full-Duplex MIMO Scheme Using Array Antennas
Naoki Honma (Iwate Univ.), Qiang Chen (Tohoku Univ.), Qiaowei Yuan (NIT, Sendai College), Nobuyasu Takemura (NIT) SR2018-102
 [more] SR2018-102
pp.35-40
WPT, AP
(Joint)
2019-01-18
13:40
Aichi Toyota Automobile Museum Maximum Transfer Efficiency Obtained by Impedance Matching Condition for Wireless Power Transfer System
Qiaowei Yuan (NIT, Sendai College) WPT2018-59
 [more] WPT2018-59
pp.27-30
WPT
(2nd)
2018-11-02
- 2018-11-04
Miyagi Tohoku University The Fundamental Experiment of Microwave Wireless Power Transmission to UAV
Yudai Hashimoto (NTT Communications Corp.), Qiaowei Yuan, Takumi Aoki (NIT, Sendai College)
The research on wireless power transmission using microwaves in recent years has been advanced greatly. In this paper, f... [more]
MW, WPT 2018-04-27
13:55
Tokyo Kikai-Shinko-Kaikan Building Maximum Transfer Efficiency for Multiple-Input Multiple-Output Wireless Power Transfer System
Takumi Aoki, Qiaowei Yuan (SNIT), Duong Quang Thang, Minoru Okada (NAIST) WPT2018-3 MW2018-3
In this paper, a novel universal method to calculate the maximum power transfer efficiency for arbitrary multiple input ... [more] WPT2018-3 MW2018-3
pp.9-11
WPT 2018-03-02
14:00
Kyoto Kyoto Univ. Uji Campus Fundamental Study on Flight of Drone Powered by Microwave Energy -- Rectenna Design Approach with Considering Fluctuation of Load and Input power --
Yudai Hashimoto, Qiaowei Yuan (NIT, Sendai College), Noki Shinohara (Kyoto University) WPT2017-71
The research on wireless power transmission using microwaves in recent years has been advanced greatly. The technology a... [more] WPT2017-71
pp.23-26
AP 2018-02-16
14:55
Tokyo Kozo Keikaku Engineering, Inc. Self-Interference Suppression of Receiving Antenna Array Integrated with 180 Degree Hybrid Circuits for MIMO Full-Duplex System
Qiaowei Yuan, Riri Niizeki, Yudai Hashimoto (NIT, Sendai Collge), Yoshiyuki Yamamoto (Tohoku Univ.), Naoki Honma (Iwate Univ.), Quiang Chen (Tohoku Univ.) AP2017-187
Self-Interference suppression is essential for realizing the MIMO Full-Duplex system. The self-interference suppression ... [more] AP2017-187
pp.63-66
AP 2017-08-25
10:55
Hokkaido National Institute of Technology, Hakodate College Experimental Evaluation of Self-Interference Suppression Method Using 180 Degree Hybrid Circuit in MIMO Full-Duplex System
Yoshiyuki Yamamoto (Tohoku Univ.), Riri Niizeki, Yudai Hashimoto (NIT, Sendai Collge), Naoki Honma (Iwate Univ.), Qiaowei Yuan (NIT, Sendai Collge), Quiang Chen (Tohoku Univ.) AP2017-82
A self-interference suppression is essential for realizing the full-duplex system. We have proposed the self-interferenc... [more] AP2017-82
pp.75-80
EE, WPT, IEE-SPC [detail] 2017-07-27
10:45
Tokyo Kikai-Shinko-Kaikan Bldg. [Invited Lecture] 6.78MHz-band rectifier with impedance matching circuit considering intrinsic ohmic loss
Satoshi Suzuki (Tohoku Univ.), Shoto Ueda (Yokogawa Rental & Leese), Qiaowei Yuan (NIT, Sendai), Qiang Chen (Tohoku Univ.) EE2017-13 WPT2017-18
Nowadays, Wireless Power Transfer (WPT) becomes very popular. It is very important to make the efficiency of WPT system ... [more] EE2017-13 WPT2017-18
pp.15-18
WPT, MW 2017-04-28
14:00
Tokyo Kikai-Shinko Kaikan, B2-1 Study of Near-Field Wireless Power Transfer System Using Reconfigurable Antenna
Shun Maruyama, Qiang Chen (Tohoku Univ.), Qiaowei Yuan (Sendai College) WPT2017-2 MW2017-2
 [more] WPT2017-2 MW2017-2
pp.5-8
 Results 1 - 20 of 67  /  [Next]  
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