IEICE Technical Report

Online edition: ISSN 2432-6380

Antennas and Propagation

Workshop Date : 2025-08-28 - 2025-08-29 / Issue Date : 2025-08-21

AP2025-59
A Study on Outdoor Propagation Loss Estimation Based on Transformer Architecture in Virtual Urban Environments
Miyuki Hirose (Kyutech)
pp. 1 - 4

AP2025-60
Analysis of Radio Wave Propagation Using Reinforced Hollow Cylindrical Concrete Structures in Sea Water
Tomoki Fukuie, Masaharu Takahashi (Chiba Univ.), Nozomi Ishii (Niigata Univ.), Qiaowei Yuan (Tohoku Inst. of Tech.), Qiang Chen (Tohoku Univ.), Hiroshi Yoshida (JAMSTEC)
pp. 5 - 9

AP2025-61
Measurement of attenuation characteristics in rainy and foggy conditions in millimeter-wave and sub-terahertz bands
Toshiaki Watanabe, Masaki Takanashi, Isamu Takai (TCRDL), Hirokazu Sawada, Keizo Inagaki, Issei Watanabe, Norihiko Sekine, Akifumi Kasamatsu (NICT)
pp. 10 - 15

AP2025-62
[Tutorial Lecture] Development of UHF wideband receiver system for Iitate Plantary Radio Telescope
Hajime Kita (Tohtech), Hiroaki Misawa, Fuminori Tsuchiya, Hiroshige Yamaguchi, Yoji Kuwayama (Tohoku Univ.), Hideki Ujihara (Rits), Shinya Sato (Tohoku Univ.)
pp. 16 - 21

AP2025-63
Design of 96-element array antenna module with 6 beamformer ICs
Ryotaro Ohashi, Hideki Ueda, Kengo Onaka (Murata Mfg.)
pp. 22 - 25

AP2025-64
A Fast DBF Array Antenna Calibration by Multi-Frequency Multi-Beam REV Method
Tomoki Nakazawa, Koki Furuuchi, Welday Gerezgiher, Tamotsu Nishino, Tomoyuki Furuichi, Satoshi Tsukamoto, Noriharu Suematsu (Tohoku Univ.)
pp. 26 - 30

AP2025-65
Analyses of a Circularly Polarized Rampart-Type Microstrip Line Array Antenna for Wireless Power Transfer Rectennas
Fumiaki Matsukura, Keisuke Noguchi, Naoki Sakai, Kenji Itoh (KIT)
pp. 31 - 36

AP2025-66
A Novel Design Approach of Inter Inter-element Transmission Lines for Series Connected Pat ched Array Antenna with Low sidelobe
Kenichi Iio (Furuno), Isao Ohta (Univ. of Hyogo)
pp. 37 - 41

AP2025-67
A Study on Element Distribution of Conducting-Reflector-Backed Dipole Metasurface for Computational Microwave Imaging
Nanaho Kawata (Antenna Giken/Tohoku Univ.), Qiang Chen (Tohoku Univ.)
pp. 42 - 46

AP2025-68
Study of Pattern Reconfigurable Antenna Composed of Patch Antenna and Monopole Antenna
Naoki Takamura, Shimpei Akimoto, Kengo Nishimoto (Mitsubishi Electric)
pp. 47 - 50

AP2025-69
Report on Attending IEEE International Conferences -- AP-S/URSI 2025, iWEM2025 and IMS2025 Observed from Antenna Engineers --
Kunio Sakakibara, Yoshiki Sugimoto, Tsisuke Uemura, Kenta Nishimura, Daisuke Sakai, Koki Shikano (NITech)
pp. 51 - 54

AP2025-70
Experimental Evaluation of Heart Rate Distribution Using TF-RHYTHMM Method in Massive MIMO Radar
Sotaro Yoshioka, Naoki Honma, Kentaro Murata, Morio iwai, Koichiro Kobayashi (Iwate Univ.)
pp. 55 - 60

AP2025-71
A Proposal of an Extended Feature Points Assignments Technique for Heart Interbeat Interval Estimation Using Topology Method with Millimeter-wave Radar
Yuji Tanaka, Nobuyoshi Kikuma, Yoshiki Sugimoto, Kunio Sakakibara (NITech)
pp. 61 - 66

AP2025-72
UHF RFID Tag Antenna Impedance Measurement Using an Imaging Theory Approach
Saya Ochiai (Tohoku Univ.), Jasmin Grosinger (TU Graz), Qiang Chen (Tohoku Univ.)
pp. 67 - 71

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