Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP |
2024-05-17 11:30 |
Okinawa |
Okinawa Industry Support Center (Primary: On-site, Secondary: Online) |
Development of Reconfigurable Reflectarray Antennas Qiang Chen (Tohoku Univ.) |
[more] |
|
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 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 |
AP |
2024-02-15 13:00 |
Mie |
Sinfonia Technology Hibiki Hall Ise (Primary: On-site, Secondary: Online) |
Improvement of the Radio Environment with Reflectarray Working in the Fresnel Region Izuru Honda, Keisuke Konno, Qiang Chen (Tohoku Univ.) AP2023-187 |
[more] |
AP2023-187 pp.1-4 |
EID, ITE-IDY, IEE-EDD, SID-JC, IEIJ-SSL [detail] |
2024-01-26 09:35 |
Kyoto |
(Primary: On-site, Secondary: Online) |
[Poster Presentation]
Fast Response Characteristics of Two-directions Electric-field Driving Thick LC Device for Millimeter-wave Valuable Reflector Ryo Aoyanagi, Masakazu Nakatani, Hiroyasu Sato, Takahiro Ishinabe, Qiang Chen, Hideo Fujikake (Tohoku Univ.) |
[more] |
|
AP |
2023-10-19 10:00 |
Iwate |
Iwate University (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Optimization of Load Impedance Under Effect of Mutual Coupling and Its Application to Design of Reflectarrays Takamasa Sato, Keisuke Konno, Qiang Chen (Tohoku Univ.) AP2023-90 |
[more] |
AP2023-90 pp.15-18 |
AP |
2023-10-19 10:00 |
Iwate |
Iwate University (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Reflective lens design using perforated dielectrics Riku Kudo, Hiroyasu Sato, Qiang Chen (Tohoku Univ.) AP2023-98 |
A high-gain Fresnel lens with phase correction by changing the effective dielectric constant using a perforated dielectr... [more] |
AP2023-98 pp.45-47 |
AP |
2023-10-19 13:00 |
Iwate |
Iwate University (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Design of Reflectarrays Covered by Band Pass Radome Shohei Hosomura, Keisuke Konno, Qiang Chen (Tohoku Univ.) AP2023-107 |
In this study, reflectarrays covered by a band pass radome is proposed. The proposed reflectarrays focus their mainbeam ... [more] |
AP2023-107 pp.71-74 |
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 |
AP |
2023-08-31 11:20 |
Tokyo |
KOZO KEIKAKU ENGINEERING Inc. (Primary: On-site, Secondary: Online) |
Design and Experimental Study on 1-Bit Time-Modulated Reflectarray Xianbo Cao, Qiang Chen (Tohoku Univ.) AP2023-68 |
[more] |
AP2023-68 pp.11-16 |
AP |
2023-08-31 13:00 |
Tokyo |
KOZO KEIKAKU ENGINEERING Inc. (Primary: On-site, Secondary: Online) |
Design of Beam Steerable Reflectarray with Liquid Crystal Xiaotong Li, Hiroyasu Sato, Hideo Fujikake, Qiang Chen (Tohoku Univ.) AP2023-69 |
[more] |
AP2023-69 pp.17-20 |
AP |
2023-08-31 13:25 |
Tokyo |
KOZO KEIKAKU ENGINEERING Inc. (Primary: On-site, Secondary: Online) |
2-layer Joint Interference Coordination for A Cellular System with Cluster-wise Distributed MU-MIMO Chang Ge, Sijie Xia, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) AP2023-70 |
In a cellular system with distributed MU-MIMO, virtual small cells (called the user-clusters) are formed to reduce the h... [more] |
AP2023-70 pp.21-24 |
RCS, SR, SRW (Joint) |
2023-03-01 14:15 |
Tokyo |
Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
A Joint Interference Coordination based on Graph Coloring Algorithm and Deep Reinforcement Learning for Cluster-wise Distributed MU-MIMO Chang Ge, Sijie Xia, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2022-258 |
In our previous studies, we proposed a 2-layer IC framework based on O-RAN architecture for a cellular system with clust... [more] |
RCS2022-258 pp.66-71 |
AP |
2023-02-15 09:30 |
Miyagi |
Tohoku University, Aobayama Campus (Primary: On-site, Secondary: Online) |
Design Method of Illumination Area of Reflectarrays Focusing on Fresnel Region Izuru Honda, Keisuke Konno, Qiang Chen (Touhoku Univ.) AP2022-197 |
[more] |
AP2022-197 pp.1-4 |
AP |
2023-02-15 15:20 |
Miyagi |
Tohoku University, Aobayama Campus (Primary: On-site, Secondary: Online) |
Millimeter-Wave Active Imaging Using Xenon-Light Array and Object Classification by Machine Learning Riku Nishimura, Hiroyasu Sato, Qiang Chen (Tohoku Univ.) AP2022-207 |
Millimeter wave passive imaging technology, which obtains images by detecting thermal noise emitted by people and object... [more] |
AP2022-207 pp.57-62 |
AP |
2023-02-16 10:20 |
Miyagi |
Tohoku University, Aobayama Campus (Primary: On-site, Secondary: Online) |
Reflectarrays Focusing on Angle of Specular Reflection Outside The Operating Frequency Band Nozomi Chiku, Keisuke Konno, Qiang Chen (Tohoku Univ.) AP2022-211 |
In this study, we propose a reflectarray covered by a band-pass frequency selective surface (FSS). By frequency selectiv... [more] |
AP2022-211 pp.79-82 |
AP |
2023-02-17 15:20 |
Miyagi |
Tohoku University, Aobayama Campus (Primary: On-site, Secondary: Online) |
Study on Gain Enhancement of Dual-Polarized Base Station Array Antenna in Sub-6 Band Junyi Xu, Sirao Wu, Qiang Chen (Tohoku Univ.) AP2022-230 |
As base station antennas for Sub-6 communication systems, high gain antennas with omni-directionality in the horizontal ... [more] |
AP2022-230 pp.184-187 |