Communication-Antennas and Propagation(Date:2024/03/14)

Presentation
[Tutorial Lecture] Short-range radio propagation characteristics evaluation technology in the 300-GHz band

Akihiko Hirata(CIT),  

[Date]2024-03-14
[Paper #]AP2023-203
[Invited Talk (Young Researcher)] Bandwidth Enhancement Research for Reflectarray Antenna

WEN WU(Tohoku Univ.),  Qiang Chen(Tohoku Univ.),  

[Date]2024-03-14
[Paper #]AP2023-207
[Invited Talk (Young Researcher)] Studies on computation time improvements for the MR/FDTD method

Kei Asahi(TUAT),  Takuji Arima(TUAT),  

[Date]2024-03-14
[Paper #]AP2023-206
[Invited Talk (Young Researcher)] Miniaturized structure of orthogonally polarized omnidirectional antenna with wideband characteristics

Tomokazu Mizutani(National Defense Academy),  Hiroshi Hashiguchi(National Defense Academy),  Naobumi Michishita(National Defense Academy),  Hiroshi Sato(PSNRD),  Yoshio Koyanagi(PSNRD),  Hisashi Morishita(National Defense Academy),  

[Date]2024-03-14
[Paper #]AP2023-204
[Invited Talk (Young Researcher)] Design Method of Platform Excitation Antenna and Feeding Structure

Takumi Nishime(National Defense Academy),  Hiroshi Hashiguchi(National Defense Academy),  Naobumi Michishita(National Defense Academy),  

[Date]2024-03-14
[Paper #]AP2023-205
A Study on Antenna Configuration for LoS-MIMO in HAPS Feeder Link

Kazuki Matsuura(SoftBank),  Yoshichika Ohta(SoftBank),  

[Date]2024-03-14
[Paper #]AP2023-201
[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.),  

[Date]2024-03-14
[Paper #]AP2023-209
[Invited Talk (Young Researcher)] ToF-based Positioning Technique and Its Evaluation Using Real Wi-Fi Stations

Abudusaimi Abuduaini(Iwate Uinv),  Naoki Honma(Iwate Uinv),  Kentaro Murata(Iwate Uinv),  Takumi Shimofusa(Iwate Uinv),  Nobuyuki Shiraki(Panasonic),  Shoichi Iizuka(Panasonic),  Takeshi Nakayama(Panasonic),  

[Date]2024-03-14
[Paper #]AP2023-208
Direction of arrival estimation using neural networks and Uniform Cross Array for LoS-MIMO transmission

Motoshi Tawada(SoftBank),  Yoshichika Ohta(SoftBank),  

[Date]2024-03-14
[Paper #]AP2023-202
Coaxial-Mode Analysis of Radio Propagation Utilizing Hollow Cylindrical Concrete Structures in Seawater

Jialu Wang(Tohoku Univ.),  Qiang Chen(Tohoku Univ.),  Nozomu Ishii(Niigata Univ.),  Qiaowei Yuan(Tohoku Inst. Tech.),  Masaharu Takahashi(Chiba Univ.),  

[Date]2024-03-15
[Paper #]AP2023-219
Design of a Low Axial-ratio/Sidelobe Array Antenna with Stripline-fed Slot-coupled Cross-shaped Patch Elements

Takashi Uno(Mitsubishi Electric Corp.),  Narihiro Nakamoto(Mitsubishi Electric Corp.),  Takafumi Yokoe(Mitsubishi Electric Corp.),  Toru Takahashi(Mitsubishi Electric Corp.),  Yoshio Inasawa(Mitsubishi Electric Corp.),  

[Date]2024-03-15
[Paper #]AP2023-213
Beamforming of Large-Scale Array Antennas by Quasi-Quantum Annealing using Real-number Maclaurin Expansion

Mitoshi Fujimoto(Univ. Fukui),  Shogo Kaginushi(Univ. Fukui),  Ryo Yamaguchi(Softbank),  Kazuma Tomimoto(Softbank),  

[Date]2024-03-15
[Paper #]AP2023-214
A Study on Path loss characteristics estimation methods considering geographical conditions for designing narrowband DR-IoT communication system

Takato Ikegame(Meiji Univ.),  Naoki Ikeda(Meiji Univ.),  Motonari Imai(Meiji Univ.),  Tetsushi Ikegami(Meiji Univ.),  Mineo Takai(Osaka Univ.),  Susumu Ishihara(Shizuoka Univ.),  Arata Kato(STE),  Shugo Kajita(STE),  

[Date]2024-03-15
[Paper #]AP2023-212
Frequency Analysis of Radio Propagation Utilizing Hollow Cylindrical Concrete Structures in Sea Water

Kaito Ishikawa(Chiba Univ.),  Masaharu Takahashi(Chiba Univ.),  Nozomu Ishii(Niigata Univ.),  Qiaowei Yuan(Tohoku Inst. Tech.),  Qiang Chen(Tohoku Univ.),  Hiroshi Yoshida(JAMSTEC),  

[Date]2024-03-15
[Paper #]AP2023-220
A Study on K-factor estimation accuracy using momentum method for designing narrowband IoT communication system DR-IoT

Naoki Ikeda(Meiji Univ.),  Motonari Imai(Meiji Univ.),  Takato Ikegame(Meiji Univ.),  Tetsushi Ikegami(Meiji Univ.),  Susumu Ishihara(Shizuoka Univ.),  Arata Kato(スペースタイムエンジニアリング),  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.),  

[Date]2024-03-15
[Paper #]AP2023-215
Eigenvalue Analysis of Radio Propagation Utilizing Hollow Cylindrical Concrete Structures in Sea Water

Nozomu Ishii(Niigata Univ.),  Naoki Kuzuu(Niigata Univ.),  Masaharu Takahashi(Chiba Univ.),  Qiaowei Yuan(Tohoku Inst. Tech.),  Qiang Chen(Tohoku Univ.),  Hiroshi Yoshida(JAMSTEC),  

[Date]2024-03-15
[Paper #]AP2023-217
Development of an ISO8729 compliant passive RCS enhancer, part 2.

Derek Gray(UG),  Julien Le Kernec(UG),  

[Date]2024-03-15
[Paper #]AP2023-222
Measurement accuracy of K factor in the sky cell for 3D spatial cell construction

Teruya Fujii(Titech),  Susumu Yoneda(SB),  

[Date]2024-03-15
[Paper #]AP2023-216
Distribution of Electromagnetic Fields of Radio Propagation Utilizing Hollow Cylindrical Concrete Structures in Sea Water

Qiaowei Yuan(Tohoku Inst. Tech),  Norihito Yamato(Tohoku Inst. Tech),  Nozomu Ishii(Niigata Univ.),  Masaharu Takahashi(Chiba Univ.),  Qiang Chen(Tohoku Univ.),  Hiroshi Yoshida(JAMSTEC),  

[Date]2024-03-15
[Paper #]AP2023-218
Propagation Measurement between Outdoor Base Stations and Houses to Improve Indoor Radio Wave Environment

Keiya Uchida(NTT DOCOMO, INC.),  Masashi Yamamoto(NTT DOCOMO, INC.),  Yuki Inoue(NTT DOCOMO, INC.),  Takahiro Shimizu(YKK AP),  Koichi Maruyama(YKK AP),  Kyoichi Masaki(YKK AP),  Katsuki Higashi(YKK AP),  

[Date]2024-03-15
[Paper #]AP2023-210
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