Online edition: ISSN 2432-6380
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AP2024-56
Localization algorithm using mm-wave radar for non-line of sight environment
Takayuki Nakanishi, Dai Sasakawa, Yasuhiro Nishioka, Kengo Nishimoto, Yoshio Inasawa (MELCO)
pp. 1 - 6
AP2024-57
Investigation of Environment Impacts on AOA-Based Indoor Localization Using Distributed MIMO Sensors
Koularp Thongsavanh, Minseok Kim (Niigata Univ.)
pp. 7 - 12
AP2024-58
Design of Reconfigurable Conformal Metasurface Reflector Using Flexible Printed Circuit
Taisei Urakami (NAIST), Tamami Maruyama (NIT, Hakodate College), Akira Ono (NIT, Kagawa College), Kazutomo Nakamura (NAIST), Na Chen (Univ. of Science and Technology Beijing/NAIST), Minoru Okada (NAIST)
pp. 13 - 18
AP2024-59
Fundamental studies on Reconfigurable Reflectarray Antenna for Independent Control of Polarization
Yosuke Maruno, Makoto Sano, Takeshi Fukusako, Ryuji Kuse (Kumamoto Univ.), Kazuma Tomimoto, Toshiki Hozen, Tomonori Ikeda, Ryo Yamaguchi (SoftBank Corp.)
pp. 19 - 23
AP2024-60
Experimental Validation of Liquid Crystal Metasurface Reflector in Indoor Millimeter-wave System
Hiroki Aoki, Takuya Ohto, Tatsuya Nagao, Takahiro Hayashi (KDDI Research, Inc.), Kazuki Matsunaga, Masayuki ikari, Daijiro Takano, Mitsutaka Okita, Shinichiro Oka (JDI)
pp. 24 - 29
AP2024-61
[Poster Presentation]
Improved receiving antenna configuration in undersea position estimation system
Shinnosuke Sakaya, Masaharu Takahashi (Chiba Univ.)
pp. 30 - 31
AP2024-62
[Poster Presentation]
[Poster Presentation] A Study on Reconfigurable Reflectarrays Using Magnets
Daiki Iriyama, Keisuke Konno, Qiang Chen (Tohoku Univ.)
pp. 32 - 33
AP2024-63
[Poster Presentation]
Design and Analysis of Microstrip Antenna with Electrically Activated Split-Ring Slot for Switchable Circular Polarization
Yuki Hirayama, Htet Wai Htun*, Eisuke Nishiyama, Ichihiko Toyoda (SU)
pp. 34 - 35
AP2024-64
[Poster Presentation]
Human-body Ranging Method Using Doppler Components obtained from CSI Amplitude Information of SISO Wi-Fi
Kentaro Kikuta, Naoki Honma, Takumi Shimofusa (Iwate Univ.), Nobuyuki Shiraki, Takeshi Nakayama, Shoichi Iizuka (Panasonic), Kentaro Murata (Iwate Univ.)
pp. 36 - 37
AP2024-65
[Poster Presentation]
Quantitative Evaluation of Reflection Spectra in Marine Radar Using FDTD Method
Haruki Ishikawa, Takuji Arima (TUAT)
pp. 38 - 41
AP2024-66
[Poster Presentation]
Development of Broadband Zero-order Resonant Metamaterial Antenna
Keima Yasumitsu, Takuji Arima (Tokyo Nouko Univ)
pp. 42 - 45
AP2024-67
[Poster Presentation]
Numerical Analysis on Impact of Element Number and Spacing in High-Density Narrow-Element Array Antennas for High-Power Rectenna DC Arrays
Daiki Kono, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.)
pp. 46 - 47
AP2024-68
[Poster Presentation]
Phase Retrieval Method Using Near-Field Measurement in A Single Planar
Inhyeok Choi, Hiroyuki Arai (Yokohama National Univ)
pp. 48 - 49
AP2024-69
[Poster Presentation]
Optimizing the directivity of Leaky Wave Antenna using Dielectric Image Line with feeding system
Kei Hanzawa, Hiroyuki Arai (Yokohama National Univ.)
pp. 50 - 54
AP2024-70
[Poster Presentation]
Evaluation of Rayleigh-Quotient-Based Weight Generation and Phase Differential Technique for Body Movement Elimination
Ryo Nakayama, Naoki Sawada, Naoki Honma, Kentaro Murata (Iwate Univ.)
pp. 55 - 56
AP2024-71
[Poster Presentation]
Basic Study of Amplifier Integrated Active Antenna Using Differential-Feed Microstrip Antenna for Spatial Power Combining
Daiki Yamasaki, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.)
pp. 57 - 58
AP2024-72
[Poster Presentation]
Experiments on Vital Sign Detection by Millimeter-Wave Band MIMO Radar Applying Range-CMA Method
Naoki Sawada, Ryo Nakayama, Naoki Honma, Kentaro Murata (Iwate Univ.), Kensuke Komura (SMK)
pp. 59 - 60
AP2024-73
[Poster Presentation]
A Dual-Polarized Tapered Slot Antenna for Measuring Probe
Genki Sato, Hiroyuki Arai (Yokohama National Univ.)
p. 61
AP2024-74
[Poster Presentation]
Measurement of Vital Distribution Using Massive MIMO Radar
Sotaro Yoshioka, Naoki Honma, Kentaro Murata (Iwate Univ.)
pp. 62 - 63
AP2024-75
[Poster Presentation]
A study of the Clustering of Incoming Waves Using the Spatial Coordinate K-Power Means Method
Sho Kitano, Mitoshi Fujimoto (Fukui Univ.), Koshiro Kitao, Satoshi Suyama (NTT DOCOMO)
pp. 64 - 65
AP2024-76
[Poster Presentation]
Two-dimensional Beamforming by Simulated Annealing
Kayako Yuda, Mitoshi Fujimoto (Fukui Univ.), Ryo Yamaguchi, Kazuma Tomimoto, Tomonori Ikeda (Softbank)
pp. 66 - 67
AP2024-77
[Poster Presentation]
Estimation Accuracy Depending on the two Angle of Arraival Methds for Circular Phase Array Antennas
Haruto Mori, Kazuhiro Honda (Univ. of Toyama)
pp. 68 - 69
AP2024-78
[Poster Presentation]
Evaluation of Doppler Shift in Ultra High-Speed Rail for Beyond 5G
Yu Nagaoka, Shintou Jyo, Keiya Kurihara, Toshiyuki Maeyama (Takushoku Univ.)
pp. 70 - 71
AP2024-79
[Poster Presentation]
A Study on Area Design Using Leaky Coaxial Cable
Sota Nakagawa, Maeyama Toshiyuki (Takushoku Univ.)
pp. 72 - 73
AP2024-80
[Poster Presentation]
Examination of a Detection Method for Sporadic E Layer Propagation Using Wavelet Transform Focusing on High-Frequency Components of VHF Band Received Power Variations
Ueda Naruhiko, Makoto Kobayashi, Koichi Shin, Masahiro Nishi (Hiroshima City Univ.)
p. 74
AP2024-81
[Poster Presentation]
Design Approach of 2- and 4-Element Differential Rectennas Considering Frequency Response of Antenna Impedance
Yusuke Cho, Eisuke Nishiyama, Ichihiko Toyoda (Saga univ.)
pp. 75 - 76
AP2024-82
[Poster Presentation]
Basic Study of Conical-Beam 3-Element Array Antenna Utilizing Circularly-Polarized Reconfigurable Elements Arranged in Ring Formation
Yuta Nakao, Htet Wai Htun, Eisuke Nishiyama, Ichihiko Toyoda (former SU)
pp. 77 - 78
AP2024-83
[Poster Presentation]
Basic Study of Planar Magic-T Employing Radial-Stub Loaded Coplanar Stripline for Backside Radiation Suppression
Ryota Minamimura, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.)
pp. 79 - 80
AP2024-84
[Poster Presentation]
Design of 2nd-Harmonic and 4th-Harmonic Single-Push Oscillators Stabilized by Transmission-Line Resonators for Phase Noise Reduction
Ibuki Machidori, Elton Lima, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.)
pp. 81 - 82
AP2024-85
[Poster Presentation]
Proposal of a Simplified Design Model for Substrate Integrated Waveguide
Masahiro Hashiba, Takuichi Hirano (Tokyo City Univ.)
pp. 83 - 84
AP2024-86
[Poster Presentation]
300GHz-Band Phased Lens Array Antenna with Anti-reflection Structure Fed by Circular-Arc Arranged Horns
Hideaki Sugiyama, Yoshiki Sugimoto, Kunio Sakakibara, Nobuyoshi Kikuma (NITech)
pp. 85 - 89
AP2024-87
[Poster Presentation]
Investigation on Propagation Characteristics in Non Line-of-Sight over Intersections by Ray-Trace Simulation
Shunsuke Mabuchi, Mitoshi Fujimoto (Fukui Univ)
pp. 90 - 91
AP2024-88
[Poster Presentation]
Study on the design of transparent metasurface
Masato Utsunomiya, Mitoshi Fujimoto (Fukui Univ.)
pp. 92 - 93
AP2024-89
[Poster Presentation]
Optimization of element amplitudes in planar array antennas in the near field
Yusuke Sato, Hiroyuki Arai (Yokohama National Univ)
pp. 94 - 95
AP2024-90
[Poster Presentation]
Beam steering antenna unit using liquid crystals fitted with a perturbed circular-polarization microstrip antenna element
Hiroki Nakamura, Keizo Cho (CIT), Takuya Okura, Hiroyuki Tsuji (NICT)
pp. 96 - 97
AP2024-91
[Poster Presentation]
Study of broadband operation by multilayering MACKEYlll
Ryoya Kishi, Toru Fukasawa (KIT), Shigeru Makino
pp. 98 - 99
AP2024-92
[Poster Presentation]
Improved reflection properties of Metasurface with Adam
Naoki Shimizu, Mitoshi Fujimoto (Fukui Univ.)
pp. 100 - 101
AP2024-93
[Poster Presentation]
CNN-Regression-Based Radar Image Enhancement for Estimating Human-Body's Shape
Koki Kato, Naoki Honma, Kentaro Murata (Iwate Univ.)
pp. 102 - 103
AP2024-94
[Poster Presentation]
Fundamental Study on the Influence of Terrain Shielding the Fresnel Zone on 920 MHz Band Radio Propagation in Mountainous Areas
Atsushi Ikaruga, Makoto Kobayashi, Koichi Shin, Masahiro Nishi (Hiroshima City Univ.)
p. 104
AP2024-95
[Poster Presentation]
Gain Enhancement of A Circularly Polarized Printed Monopole Antenna for UWB High Band
Kaoru Mine, Takafumi Fujimoto, Zin Mar Phyo, Chai-Eu Guan (Nagasaki Univ.)
pp. 105 - 106
AP2024-96
[Poster Presentation]
Experimental Estimation of Phase and Attenuation Constants for Transmission between Dipole Antennas in Proximity to Vinyl Chloride Tubes in Simulated Submarine Salt Water
Naoki Kuzu, Nozomu Ishii (Niigata Univ.), Masaharu Takahashi (Chiba Univ.), Qiaowei Yuan (Tohoku Institute of Tech.), Qiang Chen (Tohoku Univ.), Hiroshi Yoshida (JAMSTEC)
pp. 107 - 112
AP2024-97
[Poster Presentation]
Theoretical Study on Doppler Spectrum Considering Moving Scatterers in V2V Communications
Tatsuya Kutsukawa, Hiroaki Nakabayashi (Chiba Inst. Tech.)
pp. 113 - 114
AP2024-98
[Poster Presentation]
Design of a Magneto-Electric Monopole Antenna
Shunta Nakamura, Makoto Sano, Ryuji Kuse, Takeshi Fukusako (Kumamoto Univ.)
p. 115
AP2024-99
[Poster Presentation]
Multipath Angle Characteristics near Human Body in Indoor and Outdoor at 300 GHz Band
Keita Kuga, Yuito Usui, Koya Imaseki, Hiroaki Nakabayashi, Akihiko Hirata (Chiba Inst. Tech.)
pp. 116 - 117
AP2024-100
[Poster Presentation]
Optimization of Regularization Parameters in Device-Free Indoor Positioning Methods
Teng gesi, Minseok Kim (NU)
pp. 118 - 123
AP2024-101
[Poster Presentation]
Fundamental Study on Change Detection in Urban Disaster Area Using Polarization-basis Rotation of PolSAR Data
Yu Koyanagi, Hiroyoshi Yamada, Ryoichi Sato (Niigata Univ.)
pp. 124 - 128
AP2024-102
[Poster Presentation]
Direction of Arrival Estimation Using a Transmitarray and a Single Antenna Element
Ryusuke Sunagawa, Hibiki Shiiba, Makoto Sano, Ryuji Kuse, Takeshi Fukusako (KU)
pp. 129 - 132
AP2024-103
[Poster Presentation]
A study on estimation of iron weight percentage in oil using distance of reflection cofficient
Yuto Tsuji (Doshisha Univ.), Satoshi Shimizu (Doshisha Univ./ATR), Hisato Iwai, Shinsuke Ibi (Doshisha Univ.)
p. 133
AP2024-104
[Poster Presentation]
Secret Key Agreement Based on Radio Propagation Characteristics Using Quantization by Quantiles
Kenshin Shinomiya, Hideichi Sasaoka, Hisato Iwai, Shinsuke Ibi (Doshisha Univ.)
pp. 134 - 135
AP2024-105
[Poster Presentation]
Estimation of Received Signal at a Remote Point for a Multicarrier Signal
Hiroto Yamada, Hisato Iwai, Shinsuke Ibi (Doshisha Univ.)
p. 136
AP2024-106
[Poster Presentation]
Analysis of Frequency Characteristics of Leaf Attenuation
Yoshiki Nakanishi (Doshisha Univ.), Shigeo Gotoh (Doshisha Univ./Panasonic Corp.), Hisato Iwai, Shinsuke Ibi (Doshisha Univ.)
pp. 137 - 138
AP2024-107
[Poster Presentation]
Center-fed Microstrip Antenna Array Fed by Slotted Broadband Transition from SIW to Two MSLs in 300-GHz Band
Azuki Iwamoto, Maho Tomiyama, Yoshiki Sugimoto, Kunio Sakakibara, Nobuyoshi Kikuma (NITech)
pp. 139 - 143
AP2024-108
[Poster Presentation]
Concept and Performance Evaluation of Simple 3rd-Harmonic Output Oscillator Using Partially Grounded Microstrip-Line Resonator
Daichi Hayashi, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.)
pp. 144 - 145
AP2024-109
[Poster Presentation]
STUDY of UNDERSEA DRONE-MOUNTED ANTENNAS and PROPAGATION for MAINTENANCE and INSPECTION of WIND POWER GENERATION FACILITIES
Sota Mutsuna, Hiroyasu Sato, Qiang Chen (Tohoku Univ.), Nozomu Ishii (Niigata Univ.), Masaharu Takahashi (Chiba Univ.), Qiaowei Yuan (Tohoku Inst. Tech.), Hiroshi Yoshida (JAMSTEC)
p. 146
AP2024-110
[Poster Presentation]
Vivaldi antenna for crack detection in concrete
Yusuke Inoue, Takafumi Fujimoto, Chai-Eu Guan, Toshiyuki Tanaka (Nagasaki Univ.)
pp. 147 - 148
AP2024-111
[Poster Presentation]
Omnidirectional Microstrip Antenna in 2.4GHz Band for Ocean Wireless Sensor Network
Yoshihio Arikawa, Takafumi Fujimoto, Chai-Eu Guan (Nagasaki Univ.), Yoko Maemura (Univ. of Nagasaki)
pp. 149 - 150
AP2024-112
[Poster Presentation]
Fundamental Study on Calibration for Millimeter-Wave 2-Dimensional MIMO Radar with Target Alignment Error
Kaito Nozawa, Hiroyoshi Yamada (Niigata Univ)
pp. 151 - 156
AP2024-113
[Poster Presentation]
A study of frequency-dispersive phase shifters for multiband base station antennas robust to fabrication errors
Amika Ishii, Keizo Cho (CIT)
pp. 157 - 158
AP2024-114
[Poster Presentation]
Channel capacity of cosec^2 θ pattern in indoor propagation scenario at 28GHz
Ryo Nishizono, Hiroyuki Arai (Yokohama National Univ.)
pp. 159 - 160
AP2024-115
[Poster Presentation]
Phase control of a metasurface reflector using a patch-type model with short posts
Shinya Endo, Mitoshi Fujimoto (Fukui Univ), Ryo Yamaguchi, Kazuma Toyomimoto, Tomonori Ikeda (Softbank)
pp. 161 - 162
AP2024-116
[Poster Presentation]
UHF RFID sensor tags
-- RFID tag antenna design --
Saya Ochiai (Tohoku Univ.), Jasmin Grosinger (Graz Univ. of Tech./Tohoku Univ.), Chen Qiang (Tohoku Univ.)
pp. 163 - 166
AP2024-117
[Poster Presentation]
Accuracy Evaluation of Received Level Estimation Using Kriging in Multiple Communication Environments
Fumiya Yatsumonji, Shun Inaba, Hiroaki Nakabayashi (Chiba.Inst.Tech)
pp. 167 - 168
AP2024-118
[Poster Presentation]
Satellite communication antenna integrating patch antennas with radiation pattern in zenith and low-angle directions
Masaya Tateno, Keizo Cho (CIT), Takuya Okura, Hiroyuki Tsuji (NICT)
pp. 169 - 170
AP2024-119
[Poster Presentation]
Prototype and Evaluation of a 3.5GHz Metasurface Enabling High Tilt on Glass Surfaces
Masafumi Kawaguchi, Ohtaki Riku, Keizo Cho (CIT), Keiya Uchida, Masashi Yamamoto, Yuki Inoue (NTT DOCOMO)
pp. 171 - 172
AP2024-120
[Poster Presentation]
A consideration on a travelling-wave excitation array design of a microstrip antenna array on a broad wall of a rectangular waveguide for 45 degree inclined linear polarization
Kenshi Inoue, Yuichi Kimura (Saitama Univ.)
pp. 173 - 178
AP2024-121
[Poster Presentation]
A consideration on the enhancement of bandwidth of a single-layer dual-band and wideband multi-ring microstrip antenna fed by an L-probe with outer separated elements
Tomoki Matsushima, Yuichi Kimura (Saitama Univ.)
pp. 179 - 183
AP2024-122
[Poster Presentation]
A fundamental consideration on a single-layer dual-polarized dual-band and wideband ring microstrip antenna fed by two L-probes
Terutoshi Goto, Yuichi Kimura (Saitama Univ.)
pp. 184 - 188
AP2024-123
[Poster Presentation]
Effect of Substrates in Dual-Band Circular-Polarization Switchable Stacked Microstrip Antenna with Diode-Loaded Cross Slot
Hiyori Yamashita, Eisuke Nishiyama (Saga Univ.), Ichiriki Toyoda (Saga univ.)
pp. 189 - 190
AP2024-124
[Poster Presentation]
Propagation loss estimation by machine learning using both simulated data by ray-trace method and measured data
Kazuki Yuasa, Rento Hagiwara, Koichi Ichige (Yokohama National Univ.), Keiji Yoshikawa, Tatsuya Nagao, Takahiro Hayashi (KDDI)
pp. 191 - 196
AP2024-125
[Poster Presentation]
Propagation characteristics between long-range unmanned aerial vehicles in mountainous and maritime environments
Jo Osoreda (Kyutech), Takashi Matsuda, Takeshi Matsumura (NICT), Miyuki Hirose (Kyutech)
pp. 197 - 199
AP2024-126
Long-term trends in rainfall extreme data in Japan [II]
Yoshio Karasawa
pp. 200 - 205
AP2024-127
Sub-Aperture Reconstruction of Circular SAR and Evaluation of Beamwidth
Masanori Gocho (NICT)
pp. 206 - 211
AP2024-128
Study on beam-steering matching elements for 8x1-element waveguide aperture array antennas in 120-GHz
Riku Maeda, Takashi Tomura, Jiro Hirokawa (Science Tokyo), Daisuke Yamanaka, Nobutaka Kidera, Osamu Kagaya (AGC)
pp. 212 - 215
AP2024-129
Characteristic Analysis of Microstrip Antenna Stacking Two Parasitic Elements
Karin Motomura, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.)
pp. 216 - 221
AP2024-130
Conversion Efficiency Improvement of Balanced Up-Converter Integrated Active Antenna by LO Feedback
Shiryu Araki, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.)
pp. 222 - 227
AP2024-131
[Tutorial Lecture]
Wide-band measurement techniques for millimeter- and THz waves based on photonics
Shintaro Hisatake (Gifu Univ.)
pp. 228 - 233
AP2024-132
Study of Antenna-Separated Beamforming using Multiple Base Station Multiport Antenna
Yuki Inoue, Keiya Uchida, Masashi Yamamoto (NTT DOCOMO)
pp. 234 - 237
AP2024-133
Beamforming Using E-MIMO Approach and Retrodirective Array
Qiaowei Yuan, Jintai WU (TOHTECH)
pp. 238 - 240
AP2024-134
Low Axial Ratio Wide-Angle Scanning Array Antenna with Low Dielectric Matching Layer
Takashi Uesaka, Hikaru Watanabe, Tai Tanaka, Toru Takahashi, Yoshio Inasawa (Mitsubishi Electric)
pp. 241 - 245
Note: Each article is a technical report without peer review, and its polished version will be published elsewhere.