Online edition: ISSN 2432-6380
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AP2021-158
Development of 24- and 60-GHz Dual-Band Double-Directional Channel Sounder
Hibiki Tsukada, Keiichiro Kumakura, Naoya Suzuki, Riku Takahashi, Minseok Kim (Niigata Univ.), Hirokazu Sawada, Takeshi Matsumura (NICT)
pp. 1 - 6
AP2021-159
An experimental investigation of the reflection characteristics of lunar surface
Feng Lu, Kazunori Takeuchi, Akira Yamaguchi, Hiroyuki Shinbo (KDDI Research)
pp. 7 - 10
AP2021-160
[Invited Lecture]
A Study on HAPS Feeder Link System
Yoshichika Ohta, Kazuki Matsuura, Bing Han (Softbank)
pp. 11 - 15
AP2021-161
[Invited Lecture]
Radio Wave Propagation Characteristics of Millimeter-wave in Railway Environment
Kazuki Nakamura, Nagateru Iwasawa, Koki Iwamoto, Yusuke Kawamura, Daisuke Yamaguchi, Takayasu Kitano, Kunihiro Kawasaki (RTRI), Shotaro Yoshida (JRSEC), Masaharu Takahashi (Chiba Univ.)
pp. 16 - 19
AP2021-162
[Invited Lecture]
A study on Low profile Shinkansen antenna for overhead line voltage detection and wireless communication
Hidetoshi Makimura, Kengo Nishimoto, Hitoyuki Akutsu, Nishioka Yasuhiro, Yoshio Inasawa (Mitsubishi Electric Corp.), Yoshihiro Matsumura, Takeshi Nishiyama (JR Central)
pp. 20 - 25
AP2021-163
Proposal on RIS scattering model based on physical optics
Tetsuro Imai (TDU), Akira Kumagai, Koichiro Takahashi (AGC)
pp. 26 - 31
AP2021-164
An Optimization Method of Ray Tracing Parameters Utilizing Genetic Algorithm
Miyuki Hirose (KIT), Tetsuro Imai (Tokyo Denki Univ.), Shengyi Wu, Satoshi Iwasaki, Gilbert Siy Ching, Yukiko Kishiki (KKE)
pp. 32 - 37
AP2021-165
A Basic Study on Received Performance Optimization of Base Station Massive MIMO Antenna considering Arrival Angle Characteristics of Radio Wave
Kohei Sasa, Teruya Fujii (Tokyo Tech)
pp. 38 - 43
AP2021-166
[Tutorial Lecture]
Radiation Characteristics and Electric Field Distributions for Bidirectional-beam Dielectric Waveguide Antennas
Yoshihiko Konishi (HIT)
pp. 44 - 49
AP2021-167
A Consideration of H-shaped-slot Patch Antenna with 3rd Harmonic Termination using Characteristic Mode Analysis
Syunya Ban, Hayata Hirose (Nagoya Inst. of Tech.), Shinji Hara (Nagoya Univ.), Hiroshi Hirayama (Nagoya Inst. of Tech.)
pp. 50 - 54
AP2021-168
Constant and graded cross-section plano-convex mechanical sliding cylindrical lens antennas
-- scanning and reflection characteristics --
Derek Gray, Kunio Sakakibara (NiTech)
pp. 55 - 60
AP2021-169
[Invited Lecture]
Various decoupling methods between MIMO antennas Part 2.
Hiroshi Sato, Yoshio Koyanagi (Panasonic), Masaharu Takahashi (Chiba university), Hisashi Morishita (National Defense Academy)
pp. 61 - 66
AP2021-170
[Invited Lecture]
A study on controlling the direction of the scattering pattern on meta-surface reflector
Hiroki Hagiwara, Akira Maruyama (DENGYO)
pp. 67 - 72
AP2021-171
[Invited Lecture]
Optimal design of the multi-layer radome for the patch antenna array
Arata Hirokami, Takashi Yamagajo (Fujitsu)
pp. 73 - 77
AP2021-172
[Invited Lecture]
A curvilinearly tapered dielectric rod antenna with stair-step approximation
Keisuke Sato, Ichiro Oshima (DKK)
pp. 78 - 80
AP2021-173
[Invited Lecture]
Ultra-Wideband Tapered Slot Array Antenna with Conductor Plates at Both Ends of Aperture
Hikaru Watanabe, Takashi Maruyama, Toru Fukasawa (Mitsubishi Electric Corp.)
pp. 81 - 86
AP2021-174
[Invited Lecture]
Antenna array integrated module for wide coverage using surface-mounted patch antenna and flexible substrate
Hideki Ueda, Haruka Arakawa (Murata Mfg.)
pp. 87 - 92
AP2021-175
[Invited Lecture]
Cross-polarization reduction of a Ku-band phased array with a rotatable polarization plane
Makoto Sano, Koh Hashimoto, Kentaro Wada (Toshiba)
pp. 93 - 98
AP2021-176
Comparison of major decoupling methods for two ports antenna
Shota Takato, Hiroyuki Arai (Yokohama National Univ.)
pp. 99 - 103
AP2021-177
On Array Antenna Gain in Closely-Spaced Arrangement
Yoshio Karasawa
pp. 104 - 109
AP2021-178
Microwave Circuit Integrated Uniplanar Antenna Using Hybrid Beam-Forming for Angle-of-Arrival Estimation
Tamura Jo, Arai Hiroyuki (Yokohama Natl. Univ.)
pp. 110 - 115
AP2021-179
Study on Applying of Null Beam Width Management for Angle Spread Estimation with Null Beam to Planar Array
Yoshiki Takahashi, Ryuhei Takahashi (Mitsubishi Electric Co.)
pp. 116 - 121
AP2021-180
Development of Patch Array Antenna Using the Feed Structure by a Cavity Resonator
Takayuki Matsumuro, Toshio Ishizaki (Ryukoku Univ.)
pp. 122 - 125
Note: Each article is a technical report without peer review, and its polished version will be published elsewhere.