Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP |
2024-03-14 10:25 |
Fukui |
UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
Direction of arrival estimation using neural networks and Uniform Cross Array for LoS-MIMO transmission Motoshi Tawada, Yoshichika Ohta (SoftBank) AP2023-202 |
The feeder link between the fixed ground station and the HAPS requires high capacity to accommodate the traffic of termi... [more] |
AP2023-202 pp.7-10 |
AP |
2024-03-14 14:25 |
Fukui |
UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
[Invited Talk (Young Researcher)]
Bandwidth Enhancement Research for Reflectarray Antenna WEN WU, Qiang Chen (Tohoku Univ.) AP2023-207 |
This study addresses the intrinsic narrowband characteristics of reflectarray antennas (RAs) through innovative design a... [more] |
AP2023-207 pp.35-38 |
MW |
2023-12-21 16:00 |
Shizuoka |
Shizuoka University (Hamamatsu Campus) (Primary: On-site, Secondary: Online) |
A Novel Double-Tapered Slot Antenna for Enhanced Radiation Patterns in the Upper Frequency Band Daisuke Homma, Mayumi Matsunaga (Shizuoka Univ.) MW2023-151 |
In this study, we introduce a two-stage tapered design to enhance the radiation characteristics of Vivaldi antennas. Alt... [more] |
MW2023-151 pp.14-19 |
AP, RCS (Joint) |
2023-11-15 10:00 |
Kumamoto |
Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
Design of a hollow waveguide slotted array antenna fed by an E-plane horn for a channel sounder Rikako Yamaguchi, Jiro Hirokawa, Takashi Tomura (Tokyo Tech), Minoru inomata, Wataru Yamada (NTT) AP2023-129 |
We design an E-plane horn-fed hollow waveguide slot array antenna for a channel sounder in the 150 GHz band. Since we re... [more] |
AP2023-129 pp.1-6 |
AP, RCS (Joint) |
2023-11-16 11:00 |
Kumamoto |
Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Fast Beam Search for Distributed Antenna Systems in High Frequency Bands Shuki Wai, Takuto Arai, Tatsuhiko Iwakuni, Daisei Uchida, Naoki Kita (NTT) AP2023-143 RCS2023-166 |
In order to further increase the capacity of wireless communications, attention is focused on the combination of high-fr... [more] |
AP2023-143 RCS2023-166 pp.67-72(AP), pp.71-76(RCS) |
EMT, IEE-EMT |
2023-11-10 13:55 |
Yamaguchi |
Kaikyo Messe Shimonoseki |
[Invited Lecture]
Optimized Mode Coefficients Based on Quadratic Programming Approach for Multimode Horns with Square-Waveguide Aperture Hiroyuki Deguchi, Mikio Tsuji (Doshisha Univ.) EMT2023-81 |
This paper proposes directivity synthesis for multimode horns with square-waveguide aperture based on quadratic programm... [more] |
EMT2023-81 pp.102-107 |
AP |
2023-10-19 10:00 |
Iwate |
Iwate University (Primary: On-site, Secondary: Online) |
[Poster Presentation]
High Crossover Level Design of a 300 GHz Band Multi-beam Spherical Homogeneous Dielectric Lens Antenna Takeyuki Tsuchida, Yoshiki Sugimoto, Kunio Sakakibara, Nobuyoshi Kikuma (NITech) AP2023-93 |
Dielectric lens antennas are suited for use as antennas in 300 GHz band because they can easily achieve high gain with l... [more] |
AP2023-93 pp.27-31 |
MIKA (3rd) |
2023-10-10 15:35 |
Okinawa |
Okinawa Jichikaikan (Primary: On-site, Secondary: Online) |
[Poster Presentation]
A Study on Antenna Beamwidth Estimation Employing Support Vector Machine Hirofumi Suganuma, Tsutomu Mitsui (Anritsu), Takahiro Matsuda (TMU) |
In the millimeter-wave communications, high-gain beams are shaped and steered by the array signal processing to overcome... [more] |
|
IN, NS (Joint) |
2023-03-02 14:20 |
Okinawa |
Okinawa Convention Centre + Online (Primary: On-site, Secondary: Online) |
Research on Dielectric Waveguides for Enhancing Spatial Resolution in Beyond 5G High Frequency Communications Reishi Mitani (The Univ. of Tokyo), Atsushi Fukuda, Hiroto Yamamoto, Hiroshi Okazaki, Yasunori Suzuki (NTT DOCOMO), Akihiro Nakao (The Univ. of Tokyo) NS2022-191 |
High-frequency communications, which are used in 5G and expected to be Beyond5G, enable high-capacity communicationsbyus... [more] |
NS2022-191 pp.139-144 |
RCS, SR, SRW (Joint) |
2023-03-03 15:50 |
Tokyo |
Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
Simultaneous Beam Search with Multiple Distributed Antennas for Distributed Antenna System Shuki Wai, Takuto Arai, Tatsuhiko Iwakuni, Daisei Uchida, Naoki Kita (NTT) RCS2022-295 |
Distributed antenna (DA) system using high-frequency bands such as millimeter-wave and sub-terahertz is expected to be o... [more] |
RCS2022-295 pp.249-254 |
ED, MWPTHz |
2022-12-20 09:30 |
Miyagi |
|
[Invited Talk]
High-Power Terahertz Source over 10 mW based on Resonant-Tunneling Diode Yasushi Koyama, Tatsuya Murao, Yuki Kitazawa, Koji Yukimasa, Tatsuro Uchida, Takeshi Yoshioka, Kokichi Fujimoto, Takahiro Sato, Jun Iba, Katsuhito Sakurai, Takeshi Ichikawa (Canon) ED2022-79 MWPTHz2022-50 |
A compact, high-power, and high-directivity surface-emitting terahertz (THz) source based on an active antenna array wit... [more] |
ED2022-79 MWPTHz2022-50 pp.38-41 |
MIKA (3rd) |
2022-10-14 10:40 |
Niigata |
Niigata Citizens Plaza (Primary: On-site, Secondary: Online) |
[Poster Presentation]
A study of directional beam antenna for drones transmission relay Chikayo Hata, Yuya Tajima, Takefumi Hiraguri (NIT) |
We propose the directional beam antenna in order to relay transmission between flighting drones. The directional beam an... [more] |
|
AP, MW (Joint) |
2022-09-16 12:00 |
Ehime |
The Museum of Art, EHIME (Primary: On-site, Secondary: Online) |
Design of a 150GHz-Band Reflector OmnidirectionalAntenna Using a Circular TE11-TM01 Mode Converter Riki Yanagisawa, Jiro Hirokawa, Takashi Tomura (Tokyo Tech) AP2022-88 |
An omnidirectional antenna is required for the measurement of radio propagation characteristics in the terahertz band. I... [more] |
AP2022-88 pp.96-99 |
RCS |
2022-06-16 10:55 |
Okinawa |
University of the Ryukyus, Senbaru Campus and online (Primary: On-site, Secondary: Online) |
Study on Highly Accurate Beam Tracking Method Using Onboard Spherical Array Antenna for 5G Millimeter Wave Vehicle Communication Systems Taisei Kurahashi, Ryo Kato, Eiji Okamoto (NITech) RCS2022-46 |
In vehicle-to-network (V2N) communications in the fifth-generation mobile communication system (5G), the use of millimet... [more] |
RCS2022-46 pp.132-137 |
AP |
2022-05-19 13:25 |
Hyogo |
Kobe Port Oasis (Primary: On-site, Secondary: Online) |
10-Frequency Band Planar Antenna for Base Station Kengo Shimada, Tomoyuki Soga, Makoto Mizumura (Dengyo), Masayuki Nakano (KDDI Research) AP2022-16 |
10-frequency band planar antenna that share the 0.7 to 3.7 GHz band was devised. Element array configuration for multipl... [more] |
AP2022-16 pp.30-34 |
WPT |
2022-03-08 15:50 |
Kyoto |
(Primary: On-site, Secondary: Online) |
A 28 GHz Band Circularly Polarized Antenna Constituted by a Cross Loop Structure Mayumi Matsunaga (Shizuoka Univ.) WPT2021-40 |
This report presents that a 28 GHz band circularly polarized antenna has been achieved with the cross loop invented by t... [more] |
WPT2021-40 pp.86-88 |
AP |
2022-02-17 15:05 |
Online |
Online |
[Tutorial Lecture]
Radiation Characteristics and Electric Field Distributions for Bidirectional-beam Dielectric Waveguide Antennas Yoshihiko Konishi (HIT) AP2021-166 |
This paper presents radiation characteristics for bidirectional-beam dielectric waveguide antennas using an image guide ... [more] |
AP2021-166 pp.44-49 |
AP |
2022-02-18 12:40 |
Online |
Online |
[Invited Lecture]
A curvilinearly tapered dielectric rod antenna with stair-step approximation Keisuke Sato, Ichiro Oshima (DKK) AP2021-172 |
A curvilinearly tapered dielectric rod antenna that can be achieved high antenna gain has been revealed. In this paper, ... [more] |
AP2021-172 pp.78-80 |
RCS |
2021-10-21 13:25 |
Online |
Online |
A New Beam Search Based on Combination History of Selected Beams among Antennas for Distributed Antenna System Shuki Wai, Tatsuhiko Iwakuni, Takuto Arai, Daisei Uchida, Naoki Kita (NTT) RCS2021-123 |
Distributed antenna system using high-frequency bands such as millimeter-wave and sub-terahertz is expected to be one of... [more] |
RCS2021-123 pp.31-36 |
MW |
2021-03-05 10:30 |
Online |
Online |
Design of Tunable Filtering Array Antenna with Constant Absolute Bandwidth Takuya Sakemoto, Masataka Ohira, Zhewang Ma (Saitama Univ.), Akihiiro Yamada (Nippon Antenna) MW2020-91 |
In recent years, the demand for tunable antennas has been increasing with the rapid growing various wireless communicati... [more] |
MW2020-91 pp.1-6 |