IEICE Technical Report

Online edition: ISSN 2432-6380

Antennas and Propagation

Workshop Date : 2024-03-14 - 2024-03-15 / Issue Date : 2024-03-07

AP2023-201
A Study on Antenna Configuration for LoS-MIMO in HAPS Feeder Link
Kazuki Matsuura, Yoshichika Ohta (SoftBank)
pp. 1 - 6

AP2023-202
Direction of arrival estimation using neural networks and Uniform Cross Array for LoS-MIMO transmission
Motoshi Tawada, Yoshichika Ohta (SoftBank)
pp. 7 - 10

AP2023-203
[Tutorial Lecture] Short-range radio propagation characteristics evaluation technology in the 300-GHz band
Akihiko Hirata (CIT)
pp. 11 - 16

AP2023-204
[Invited Talk (Young Researcher)] Miniaturized structure of orthogonally polarized omnidirectional antenna with wideband characteristics
Tomokazu Mizutani, Hiroshi Hashiguchi, Naobumi Michishita (National Defense Academy), Hiroshi Sato, Yoshio Koyanagi (PSNRD), Hisashi Morishita (National Defense Academy)
pp. 17 - 22

AP2023-205
[Invited Talk (Young Researcher)] Design Method of Platform Excitation Antenna and Feeding Structure
Takumi Nishime, Hiroshi Hashiguchi, Naobumi Michishita (National Defense Academy)
pp. 23 - 28

AP2023-206
[Invited Talk (Young Researcher)] Studies on computation time improvements for the MR/FDTD method
Kei Asahi, Takuji Arima (TUAT)
pp. 29 - 34

AP2023-207
[Invited Talk (Young Researcher)] Bandwidth Enhancement Research for Reflectarray Antenna
WEN WU, Qiang Chen (Tohoku Univ.)
pp. 35 - 38

AP2023-208
[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, Shoichi Iizuka, Takeshi Nakayama (Panasonic)
pp. 39 - 44

AP2023-209
[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.)
pp. 45 - 50

AP2023-210
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)
pp. 51 - 56

AP2023-211
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.)
pp. 57 - 62

AP2023-212
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)
pp. 63 - 67

AP2023-213
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.)
pp. 68 - 73

AP2023-214
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)
pp. 74 - 79

AP2023-215
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.)
pp. 80 - 84

AP2023-216
Measurement accuracy of K factor in the sky cell for 3D spatial cell construction
Teruya Fujii (Titech), Susumu Yoneda (SB)
pp. 85 - 90

AP2023-217
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)
pp. 91 - 96

AP2023-218
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)
pp. 97 - 101

AP2023-219
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.)
pp. 102 - 104

AP2023-220
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)
pp. 105 - 108

AP2023-221
Improved Accuracy of AOA Estimation of Moving Object in Nakagami-Rice Propagation Environments
Kazuhiro Honda, Yuto Sekino (Univ. of Toyama)
pp. 109 - 114

AP2023-222
Development of an ISO8729 compliant passive RCS enhancer, part 2. -- Design of metallic waveguide lenses. --
Derek Gray, Julien Le Kernec (UG)
pp. 115 - 120

Note: Each article is a technical report without peer review, and its polished version will be published elsewhere.

The Institute of Electronics, Information and Communication Engineers (IEICE), Japan