Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP |
2024-03-14 10:00 |
Fukui |
UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
A Study on Antenna Configuration for LoS-MIMO in HAPS Feeder Link Kazuki Matsuura, Yoshichika Ohta (SoftBank) AP2023-201 |
High-Altitude Platform Station (HAPS) is a new mobile communications platform that enables ultrawide coverage and disast... [more] |
AP2023-201 pp.1-6 |
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 11:00 |
Fukui |
UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
[Tutorial Lecture]
Radio Propagation Characteristics Evaluation Technology for 300-GHz-Band Short Distance Wireless links Akihiko Hirata (CIT) AP2023-203 |
Research and development of terahertz wireless communication using from 0.1 THz to 10 THz radio waves is underway as a m... [more] |
AP2023-203 pp.11-16 |
AP |
2024-03-14 13:00 |
Fukui |
UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
[Invited Talk (Young Researcher)]
Miniaturized structure of orthogonally polarized omnidirectional antenna with wideband characteristics Tomokazu Mizutani, Hiroshi Hashiguchi, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Hiroshi Sato, Yoshio Koyanagi (PSNRD) AP2023-204 |
Recently, antennas for mobile stations and base stations are required to have a wideband antenna due to the diversificat... [more] |
AP2023-204 pp.17-22 |
AP |
2024-03-14 13:25 |
Fukui |
UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
[Invited Talk (Young Researcher)]
Design Method of Platform Excitation Antenna and Feeding Structure Takumi Nishime, Hiroshi Hashiguchi, Naobumi Michishita (National Defense Academy) AP2023-205 |
Miniaturization and low-profile are required for mobile device antennas. On the other hand, miniaturization and low prof... [more] |
AP2023-205 pp.23-28 |
AP |
2024-03-14 13:50 |
Fukui |
UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
[Invited Talk (Young Researcher)]
Studies on computation time improvements for the MR/FDTD method Kei Asahi, Takuji Arima (TUAT) AP2023-206 |
With the ongoing developments of the telecommunication technologies, further complexification of the commonly used commun... [more] |
AP2023-206 pp.29-34 |
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 |
2024-03-14 14:50 |
Fukui |
UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
[Invited Talk (Young Researcher)]
ToF-based Positioning Technique and Its Evaluation Using Real Wi-Fi Stations Abudusaimi Abuduaini, Naoki Honma, Kentaro Murata, Takumi Shimofusa (Iwate Uinv), Nobuyuki Shiraki, Takeshi Nakayama, Shoichi Iizuka (Panasonic) AP2023-208 |
This study investigates a living-body positioning technique that integrates Time-of-flight (ToF) and Direction of Depart... [more] |
AP2023-208 pp.39-44 |
AP |
2024-03-14 15:15 |
Fukui |
UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
[Invited Talk (Young Researcher)]
Study of non-contact PIM measurement systems for balanced transmission lines with electrically equivalent characteristics to microstrip lines Ryunosuke Murofushi (Yokohama Natl. Univ./Polytechnic Univ.), Nobuhiro Kuga (Yokohama Natl. Univ.), Eiji Hanayama (Polytechnic Univ.) AP2023-209 |
In many communication systems, passive intermoduration (PIM) is known as one of noises. The termination method standardi... [more] |
AP2023-209 pp.45-50 |
AP |
2024-03-15 09:35 |
Fukui |
UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
Propagation Measurement between Outdoor Base Stations and Houses to Improve Indoor Radio Wave Environment Keiya Uchida, Masashi Yamamoto, Yuki Inoue (NTT DOCOMO, INC.), Takahiro Shimizu, Koichi Maruyama, Kyoichi Masaki, Katsuki Higashi (YKK AP) AP2023-210 |
In recent years, insulation structures using metal materials have been adopted in homes to achieve high thermal insulati... [more] |
AP2023-210 pp.51-56 |
AP |
2024-03-15 10:00 |
Fukui |
UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
RePH: Reconfigurable-Intelligent-Surface-Based Electronic Phantom
-- Study on MIMO Radar Channel Reconstruction Using Independent Amplitude/Phase Control Variable Load Circuit -- Chihiro Segawa, Kentaro Murata, Naoki Honma (Iwate Univ.) AP2023-211 |
We proposed a reconfigurable-intelligent-surface (RIS)-based electronic phantom (RePH) for an over-the-air (OTA) testing... [more] |
AP2023-211 pp.57-62 |
AP |
2024-03-15 10:25 |
Fukui |
UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
A Study on Path loss characteristics estimation methods considering geographical conditions for designing narrowband DR-IoT communication system Takato Ikegame, Naoki Ikeda, Motonari Imai, Tetsushi Ikegami (Meiji Univ.), Mineo Takai (Osaka Univ.), Susumu Ishihara (Shizuoka Univ.), Arata Kato, Shugo Kajita (STE) AP2023-212 |
A versatile variable-range IoT communication system using the VHF-High band, Diversified-Range IoT (DR-IoT) is being con... [more] |
AP2023-212 pp.63-67 |
AP |
2024-03-15 11:00 |
Fukui |
UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
Design of a Low Axial-ratio/Sidelobe Array Antenna with Stripline-fed Slot-coupled Cross-shaped Patch Elements Takashi Uno, Narihiro Nakamoto, Takafumi Yokoe, Toru Takahashi, Yoshio Inasawa (Mitsubishi Electric Corp.) AP2023-213 |
This paper presents a novel stripline-fed slot-coupled patch antenna. In the proposed antenna, a cross-shaped patch is e... [more] |
AP2023-213 pp.68-73 |
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 |
AP |
2024-03-15 13:00 |
Fukui |
UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
A Study on K-factor estimation accuracy using momentum method for designing narrowband IoT communication system DR-IoT Naoki Ikeda, Motonari Imai, Takato Ikegame, Tetsushi Ikegami (Meiji Univ.), Susumu Ishihara (Shizuoka Univ.), Arata Kato, Syugo Kajita (スペースタイムエンジニアリング), Hiroshi Yamamoto (Ritsumeikan Univ.), Mineo Takai (Osaka Univ.) AP2023-215 |
A versatile variable-range IoT communication system using the VHF-high band, Diversified-Range IoT (DR-IoT)is being cons... [more] |
AP2023-215 pp.80-84 |
AP |
2024-03-15 13:25 |
Fukui |
UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
Measurement accuracy of K factor in the sky cell for 3D spatial cell construction Teruya Fujii (Titech), Susumu Yoneda (SB), Kouichi Kawai, Takeshi Ito (Mtex.) AP2023-216 |
The flight control of drones and the transfer of captured video data by using the mobile communication network will be e... [more] |
AP2023-216 pp.85-90 |
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 |
This paper reports the results of an eigenmode analysis of radio propagation using a hollow cylindrical concrete structu... [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 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 |