IEICE Technical Report

Online edition: ISSN 2432-6380

Volume 125, Number 181

Microwaves

Workshop Date : 2025-09-18 - 2025-09-19 / Issue Date : 2025-09-11

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Table of contents

MW2025-66
[Poster Presentation] Line-of-Sight Probability Estimation Formula for Actual Urban Environments
Naruki Ohno, Hisato Iwai, Shinsuke Ibi (Doshisha Univ.)
pp. 1 - 2

MW2025-67
[Poster Presentation] Analysis of Frequency Dependence and Simplified Modeling of Human Body Shadowing Loss
Ayumu Okuhigashi, Yoshiki Nakanishi, Hisato Iwai, Shinsuke Ibi (Doshisha Univ.)
pp. 3 - 4

MW2025-68
[Poster Presentation] Study on Non-Integer-Bit Quantization for Wireless Physical Layer Secret Key Agreement
Jumpei Koyama, Kenshin Shinomiya, Hideichi Sasaoka, Hisato Iwai, Shinsuke Ibi (Doshisha Univ.)
pp. 5 - 6

MW2025-69
[Poster Presentation] Analysis of Shielding Loss Caused by an Obstacle Considering Blockage Outside First Fresnel Zone
Shunsuke Tsurumi, Keito Kimata, Hisato Iwai, Shinsuke Ibi (Doshisha Univ.), Naoaki Yoshida, Kohei Tachi, Masashi Motomura, Kei Kameda (Panasonic)
pp. 7 - 8

MW2025-70
[Poster Presentation] Estimation of Propagation Characteristics in Non-Line-of-Sight Environments over Intersections using a Large Number of Intersection Models
Mabuchi Shunsuke, Fujimoto Mitoshi (Fukui Univ.)
pp. 9 - 10

MW2025-71
[Poster Presentation] Optimization of dielectric thickness for metasurface reflector with short posts
Shinya Endo, Mitoshi Fujimoto (Fukui Univ.), Ryo Yamaguchi, Kazuma Tomimoto, Tomonori Ikedda (SoftBank Corp.)
pp. 11 - 12

MW2025-72
[Poster Presentation] Research on The Reflection Performance of Two-Layered Transparent Meta-Surface with Phase Difference
Masato Utsunomiya, Mitoshi Fujimoto (Fukui Univ.)
pp. 13 - 14

MW2025-73
[Poster Presentation] Evaluation of Secrecy Transmission Performance of Spatially Selective Modulation Using Artificial Noise
Keita Shigaki, Sasuke Daikoku, Hisato Iwai, Shinsuke Ibi (Doshisha Univ.)
pp. 15 - 16

MW2025-74
[Poster Presentation] Study of post-wall waveguide two-dimensional beam-switching matrix with substrate-normal-direction radiation
Hirotaka Terashima, Takashi Tomura (Science Tokyo), Daisuke Yamanaka, Osamu Kagaya (AGC Inc.)
pp. 17 - 20

MW2025-75
[Poster Presentation] A Study of Design Method for Radiation/Scattering Performance of Conformal Array
Kosuke Takahashi, Keisuke Konno, Qiang Chen (Tohoku Univ.), Takashi Uesaka, Hikaru Watanabe, Toru Takahashi (Mitsubishi Electric)
pp. 21 - 23

MW2025-76
[Poster Presentation] Comparative evaluation of near/far field metasurfaces for reducing in-vehicle blind zones using UWB radio waves
Kazuki Izumoto, Mitoshi Fujimoto (Univ.Fukui)
pp. 24 - 25

MW2025-77
[Poster Presentation] Study of Full-Solid-Angle Omnidirectional Radiation of a 60-GHz-Band Small Antenna Considering the Device Case
Xintao Ye, Jiro Hirokawa (Science Tokyo)
pp. 26 - 28

MW2025-78
[Poster Presentation] A consideration on frequency control of a double-layered varactor-loaded dual-band miniaturized microstrip antenna fed by an L-probe with a shorted and slitted radiation element
Takahito Seta, Yuichi Kimura (Saitama Univ.)
pp. 29 - 34

MW2025-79
[Poster Presentation] A consideration on a dual-band and wideband ring microstrip antenna fed by L-probes
Kenta Kariya, Yuichi Kimura (Saitama Univ.)
pp. 35 - 38

MW2025-80
[Poster Presentation] A High-Efficiency Antenna for In-The-Ear (ITE) Devices
Ryoya Kishi, Toru Fukasawa (KIT)
p. 39

MW2025-81
[Poster Presentation] Experimental Evaluation of Sub-THz transmission in a Conference Room Environment
Takanori Mashima, Meika Mou, Minseok Kim (Niigata Univ.)
pp. 40 - 45

MW2025-82
[Poster Presentation] Evaluation of Metrics for the Effect of Backside Metal on Broadband Antennas
Yoichi Murakami, Toru Fukasawa (KIT)
p. 46

MW2025-83
[Poster Presentation] Sub-THz multipath propagation measurements and channel model development in an outdoor open square environment
Masato Yomoda, Minseok Kim (Niigata Univ.)
pp. 47 - 52

MW2025-84
[Poster Presentation] A consideration on a circularly dual-polarized wideband microstrip antenna fed by two L-probes with a two-section hybrid coupler
Yo Makabe, Yuichi Kimura (Saitama Univ.)
pp. 53 - 57

MW2025-85
[Poster Presentation] A consideration on gain enhancement of a wideband ring microstrip antenna fed by an L-probe
Koushi Tawara, Yuichi Kimura (Saitama Univ.)
pp. 58 - 61

MW2025-86
[Poster Presentation] A Study on Urban Parameter Estimation Using PolSAR Data of Different Observation Bands
Masaya Fukuda, Hiroyoshi Yamada, Ryouichi Sato, Chino Kobayashi (Niigata Univ.)
pp. 62 - 66

MW2025-87
[Poster Presentation] 3D Positioning Method of Human-Body Using Amplitude Information of SISO-CSIs Among Multiple Wi-Fi Devices
Daiki Nagao, Naoki Honma, Kentaro Kikuta, Kentaro Murata (Iwate Univ.), Takeshi Nakayama, Shoichi Iizuka, Ryosuke Otomura (Panasonic)
pp. 67 - 68

MW2025-88
[Poster Presentation] Sub-terahertz band photonic crystal waveguides composed of multilayer substrates
Tongjie Wang, Takashi Tomura (Institute of Science Tokyo)
pp. 69 - 76

MW2025-89
[Poster Presentation] Research on Insole Antennas For Detecting Wandering Dementia Patients
Sato Kodai, Sato Hiroyasu, Qiang Chen (Tohoku Univ), Suzuki Kazuhiro (Life Laboratory Co.)
pp. 77 - 79

MW2025-90
[Poster Presentation] Variable Element Spacing Array Antenna Using Magnets
Atsushi Kirihara, Keisuke Konno, Qiang Chen (Tohoku Univ.)
pp. 80 - 81

MW2025-91
[Poster Presentation] Study of Frequency Scanning Slotted Waveguide Antenna
Peilin Miao, Jiro Hirokawa (Science Tokyo)
pp. 82 - 84

MW2025-92
[Poster Presentation] Study of Non-Far Field Region 64-Beam Multiplexing Transmission Using a Lens and a 2D Beam Switching Butler Matrix
Taiga Sugimoto, Jiro Hirokawa (Science Tokyo)
pp. 85 - 88

MW2025-93
[Poster Presentation] FDTD Analysis of Reflection Characteristics from Sea-Surface Drifting Objects for FMICW Radar
Kyoya Inakawa, Takuji Arima (TUAT)
pp. 89 - 92

MW2025-94
[Poster Presentation] Outlier Rejection in DOA Estimation Based on SNR Estimation
Ryo Watabe, Kenta Umebayashi (TUAT), Antti Tolli (UoO)
p. 93

MW2025-95
[Poster Presentation] A High-Accuracy Method for Scattered-Field Analysis Using Correction Coefficients
Haku Inanobe, Takuji Arima (TUAT), Wataru Yamada (NTT)
pp. 94 - 97

MW2025-96
[Poster Presentation] Heart-Rate Estimation Method Using Independent Component Analysis and TF-RHYTHMM Method in MIMO Radar
Ryo Nakayama, Naoki Honma, Kentaro Murata (Iwate Univ.)
pp. 98 - 99

MW2025-97
[Poster Presentation] Investigation of Synchronization Methods Between Radio Stations for Cooperative Communication
Koki Hirai, Ren Masuda, Minseok Kim (Niigata Univ.)
pp. 100 - 104

MW2025-98
[Poster Presentation] Design of a Perforated Dielectric Reflective Reconfigurable Lens Antenna for Millimeter-Wave Imaging
Hiroto Kawata, Riku Kudo, Hiroyasu sato, Qiang chen (Tohoku Univ.)
pp. 105 - 108

MW2025-99
[Poster Presentation] A Design on Optimal Quantization Thresholds for SIMO Systems Based on 1-Bit ADC outputs
Rina Takagi, Kenta Umebayashi (TUAT), Antti Tolli, Bikshapathi Gouda, Janne Lehtomaki (UoO)
p. 109

MW2025-100
[Poster Presentation] Quantitative Evaluation of Intersymbol Interference in Terahertz Wireless Communications Using Quantum Cascade Lasers
Haruma Minami, Kenta Umebayashi, Ya Zhang (TUAT), Hua Li (CAS)
p. 110

MW2025-101
[Poster Presentation] Interpretation of Electronic Phantom-Based Channel Reconstruction Performance via Human-Sensing Radar Metrics
Haruki Shibasaki, Yuto Ozawa, Kentaro Murata, Naoki Honma (Iwate Univ.)
p. 111

MW2025-102
[Poster Presentation] Basic Study of Object Identification Using Millimeter-wave Radar Based on CNN Regression
Hirofumi Joshita, Koki Kato, Naoki Honma, Kentaro Murata (Iwate Univ.)
pp. 112 - 113

MW2025-103
[Poster Presentation] Massive RIS-Assisted Wireless Power Transfer Based on Channel Estimation with Limited Power Sensors
Yuto Ozawa, Kentaro Murata, Naoki Honma (Iwate Univ.)
p. 114

MW2025-104
[Poster Presentation] Evaluation of the influence of seawater/air interface on wireless power transmission using underwater structures
Taichi Matsumoto, Qiaowei Yuan (Tohtech), Nozomi Ishii (Niigata Univ), Masaharu Takahashi (Chiba Univ), Qiang Chen (Tohoku Univ), Hiroshi Yoshida (JAMSTEC)
pp. 115 - 116

MW2025-105
[Poster Presentation] Development of a Multi-Link Channel Sounding system for Distributed Antenna Network Based ISAC
Nishi Keita, Kim Minseok (Niigata Univ.)
pp. 117 - 122

MW2025-106
[Poster Presentation] Input Design for Deep-Learning-Based Antenna-Spacing Control in Array Antennas
Junya Miura, Kenta Umebayashi (TUAT)
p. 123

MW2025-107
[Poster Presentation] Prototyping a 920 MHz Band Rectenna
Rita Ota, qiaowei yuan (TIT)
pp. 124 - 125

MW2025-108
[Poster Presentation] Research on large aperture deployable Reflectarray antennas for onboard satellites
Kosei Kikuchi, Takashi Tomura (Science Tokyo)
pp. 126 - 132

MW2025-109
[Poster Presentation] A Study on Layout Design Method of Reflectors and their Effect on Expanding Communication Area
Yuta Kato, Kiyoaki Itoi, Hiroaki Nakabayashi (Chiba Inst. Tech)
p. 133

MW2025-110
[Poster Presentation] Fundamental study on imaging using MIMO-SAR combined with DCMP
Remon Yamaki, Kota Ashino, Hiroyoshi Yamada (Niigata Univ.), Hiroyuki Kamo (TAIYO YUDEN)
pp. 134 - 139

MW2025-111
[Poster Presentation] Study of Vertical-Plane Directivity Control of an Axisymmetric Radiating Circularly Polarized Microstrip Antenna
Soma Mori, Takashi Tomura (Science Tokyo)
pp. 140 - 144

MW2025-112
[Poster Presentation] A Study of Capacity Enhancement through Subarray Spacing Expansion in Rectangular-Coordinate Two-Dimensional Orthogonal Multiplex Transmission
Yuki Kurata, Jiro hirokawa (Science Tokyo)
pp. 145 - 148

MW2025-113
[Poster Presentation] A Study of Lens Antennas with Array Antennas Used in the Feed Section
Shuma Sato, Toshiyuki Maeyama (Takushoku Univ.)
pp. 149 - 150

MW2025-114
[Poster Presentation] Research on Leaky-Wave Antennas in the Millimeter-Terahertz Band
Takumi Okubo, Toshiyuki Maeyama (Takuhoku Univ)
pp. 151 - 152

MW2025-115
[Poster Presentation] Research on Radio Anechoic Chamber Design Method Using Electromagnetic Analysis Method
Yudai Kojima, Toshiyuki Maeyama (Takushoku Univ.)
pp. 153 - 154

MW2025-116
[Poster Presentation] Influence of the Si substrate under the printed Yagi-Uda antenna
Hiroki Shinohara, Takuichi Hirano (Tokyo City Univ.)
pp. 155 - 156

MW2025-117
[Poster Presentation] Improvement of radiation efficiency of slot array antenna capable of beam scanning in the 28 GHz band
Shunta Kameo, Naoki Shinohara, Bo Yang, Tomohiko Mitani (Kyoto Univ.)
pp. 157 - 162

MW2025-118
[Poster Presentation] Four-Element Microstrip Ground Slot Array with Bidirectional Beam Pattern
Shota Miyamoto, Takuichi Hirano (TCU)
pp. 163 - 164

MW2025-119
[Poster Presentation] Grating lobe suppression during beam scanning using circular arc array arrangement
Keita Yamauchi, Takuichi Hirano (Tokyo City Univ.)
pp. 165 - 166

MW2025-120
[Poster Presentation] Study on a Low-Loss Small-Size 360°Phase Shifter for 5.8-GHz Wireless Power Transfer
Tomoki Yoshida, Naoki Shinohara, Tomohiko Mitani, Bo Yang (Kyoto Univ.)
pp. 167 - 171

MW2025-121
[Poster Presentation] Design of a broadband microwave rectifier using a 10-stage multi-stage matching circuit
Kodai Nakao, Takehiro Yamaki, Satoshi Yoshida (Ryukoku Univ)
pp. 172 - 173

MW2025-122
Study of Educational Materials on Electromagnetic Wave Engineering Through Computer Programming Based on 1D-FDTD
Kouji Shibata, Hiroto Ishiguro (Hachinohe Inst. of Tech.)
pp. 174 - 179

MW2025-123
A Study on Improving the Accuracy of Respiration Estimation Using Millimeter-Wave Radar Based on Amplitude and Phase Cross-Correlation
Takahiro Kinoshita, Kenta Yamaguchi (muRata)
pp. 180 - 183

MW2025-124
Study on a Leakage-Suppression Method for Transparent Reflective Film Joints
Takayuki Matsumuro, Satoru Shimizu, Toshikazu Sakano (ATR)
pp. 184 - 186

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