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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 192  /  [Next]  
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
 Results 1 - 20 of 192  /  [Next]  
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