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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 133  /  [Next]  
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
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