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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 58  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
OCS, CS
(Joint)
2024-01-12
09:55
Kagoshima   Fully coherent optical and wireless transmission in the 28 GHz band by using an injection-locked carrier frequency converter
Koichi Shirahata, Keisuke Kasai, Masato Yoshida, Toshihiko Hirooka, Masataka Nakazawa (Tohoku Univ.), Uichiro Azuma, Toshiyuki Kobayashi (Nihon Dengyo Kosaku) OCS2023-63
As an optical mobile fronthaul with low latency and low power consumption, we have proposed a fully coherent optical and... [more] OCS2023-63
pp.31-36
AP
(2nd)
2023-06-01
10:00
Nagano Nagano Prefecture Minamimaki Village Office, Central Public Hall Experimental Study on Variable Control of Scattering Pattern in Metasurface Reflector in Horizontal and Vertical Directions
Yuko Rikuta, Yuki Kimura, Akira Maruyama, Hiroki Hagiwara (DENGYO)
In a wireless environment where radio waves are transmitted and received, the location and size of the communication are... [more]
AP 2023-02-15
11:50
Miyagi Tohoku University, Aobayama Campus
(Primary: On-site, Secondary: Online)
[Invited Lecture] A Study of Thin Planar Antenna for dual-Frequency and dual Polarization -- Low Profile Antenna Consisting of Patch Antenna and Dipole Antenna --
Hiroki Hagiwara, Akira Maruyama, Yuko Rikuta (DENGYO) AP2022-202
With the development of mobile communication, a multi-frequency band antenna capable of transmitting and receiving radio... [more] AP2022-202
pp.29-33
AP 2023-02-17
14:15
Miyagi Tohoku University, Aobayama Campus
(Primary: On-site, Secondary: Online)
Suppression of Long Line Effect in Horizontally Polarized Series-Fed Array Antenna
Uichiro Azuma, Toshiyuki Kobayashi (Dengyo) AP2022-228
Series feeding, which simplifies the feed line, is effective for arraying planar antennas such as microstrip antennas. H... [more] AP2022-228
pp.172-177
AP 2023-02-17
14:55
Miyagi Tohoku University, Aobayama Campus
(Primary: On-site, Secondary: Online)
Coherently-linked optical and wireless transmission by using a 28 GHz band microstrip antenna
Keisuke Kasai, Taisei Sato, Koichi Shirahata, Masato Yoshida, Toshihiko Hirooka, Masataka Nakazawa (Tohoku Univ), Uichiro Azuma, Toshiyuki Kobayashi (Dengyo) AP2022-229
As an economical, large-capacity mobile fronthaul, we have proposed coherently-linked optical and wireless transmission ... [more] AP2022-229
pp.178-183
AP
(2nd)
2022-12-08
11:25
Okinawa
(Primary: On-site, Secondary: Online)
Millimeter-wave multi-beam measurement using series-fed array antenna
Yuki Kimura, Doppo Sugimura, Kengo Shimada, Uichiro Azuma (Dengyo)
As a MIMO antenna for millimeter-wave 5G base stations, an antenna with a configuration that forms multi-beam in all hor... [more]
RCS, AP, UWT
(Joint)
2022-11-15
14:55
Fukuoka Kyushu University, and Online
(Primary: On-site, Secondary: Online)
Influence in Desired Direction of Meta-Surface Reflector by Transmission Antenna Position
Doppo Sugimura, Mayumi Yoshino (Dengyo) AP2022-154
For the next generation system, in order to improve the service area, an MSR (Meta-Surface Reflector) which can control ... [more] AP2022-154
pp.39-44
AP, MW
(Joint)
2022-09-14
11:35
Ehime The Museum of Art, EHIME
(Primary: On-site, Secondary: Online)
Improvement of reflection characteristics and suppression of long line effect in series-fed array antenna -- 28GHz band vertically polarized antenna design --
Uichiro Azuma, Toshiyuki Kobayashi (Dengyo) AP2022-73
When designing an array antenna in a frequency band with a short wavelength such as the millimeter wave band, the design... [more] AP2022-73
pp.11-16
AP, MW
(Joint)
2022-09-14
12:00
Ehime The Museum of Art, EHIME
(Primary: On-site, Secondary: Online)
A Study on Low Side-lobes Level of Yagi-Uda Antenna
Yasuko Kimura, Yuki Inoue (NTT DOCOMO), Tomoyuki Soga, Makoto Mizumura (Nihon Dengyo Kosaku), Hiroyuki Arai (Yokohama National Univ.) AP2022-74
 [more] AP2022-74
pp.17-21
AP
(2nd)
2022-06-10
11:25
Hokkaido Nemuro General Cultural Center
(Primary: On-site, Secondary: Online)
9-Frequency Band Small Planar Antenna for Base Station - Small Version
Yutaka Tomizawa, Yuta Nakashima, Hiroki Hagiwara (Dengyo), Masayuki Nakano (KDDI Research)
Some radio base station antennas share two or more frequencies. This time, about the multi-band polarization shared smal... [more]
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
AP 2022-04-15
14:40
Yamagata Yamagata Syokuryo Kaikan
(Primary: On-site, Secondary: Online)
[Tutorial Lecture] Radio Wave Propagation Analysis for Wireless Area Construction
Mayumi Yoshino (DENGYO) AP2022-10
For the establishment of next-generation mobile communication systems, wireless areas are being constructed in various e... [more] AP2022-10
pp.52-57
AP 2022-03-10
16:50
Online Online [Invited Talk (Young Researcher)] A consideration on a dual-polarized dual-band and wideband multi-ring microstrip antenna fed by two L-probes with a cavity structure for a finite dielectric substrate
Yuki Kimura (DENGYO), Takeshi Tomura, Sakuyoshi Saito, Yuichi Kimura (Saitama Univ.) AP2021-192
This paper presents a linearly dual-polarized dual-band and wideband multi-ring microstrip antenna fed by two L-probes w... [more] AP2021-192
pp.56-61
AP 2022-03-11
09:30
Online Online Examination of Estimation Algorithm for Transmitter Localization Based on Indoor DOA Estimation at 2.4 G/5 GHz Band
Mayumi Yoshino, Doppo Sugimura (Dengyo) AP2021-193
With the spread of IoT (Internet of Things) technology, intelligent propagation path control technology that suppresses ... [more] AP2021-193
pp.62-66
AP 2022-02-18
10:50
Online Online [Invited Lecture] A study on controlling the direction of the scattering pattern on meta-surface reflector
Hiroki Hagiwara, Akira Maruyama (DENGYO) AP2021-170
 [more] AP2021-170
pp.67-72
AP, WPT
(Joint)
2022-01-20
13:30
Tottori Kenmin-Fureai-Kaikan
(Primary: On-site, Secondary: Online)
[Invited Lecture] MIMO Channel Capacity Estimation Considering Ray Tracing Analysis and Nakagami-Rice Fading
Kengo Shimada, Yutaka Tomizawa, Doppo Sugimura, Mayumi Yoshino (Dengyo) AP2021-142
In recent years, with the increase in mobile data traffic, the demand for MIMO (Multiple Input Multiple Output) systems ... [more] AP2021-142
pp.43-48
AP, SANE, SAT
(Joint)
2021-07-30
11:15
Online Online Received Power Improvement and K-factor in the Desired Direction of Meta-Surface Reflector at 28 GHz-Band
Doppo Sugimura, Mayumi Yoshino, Tomoaki Kudo, Toshiyuki Kobayashi (Dengyo) AP2021-40
In the next generation system, it is difficult to construct wireless service area because it is allocated high frequency... [more] AP2021-40
pp.92-96
AP
(2nd)
2021-06-18
11:30
Online Online A Study of Scattering Pattern Measurement on Meta-surface Reflector
Yuko Rikuta, Lin Wang, Hiroki Hagiwara, Toshiyuki Kobayashi (DENGYO)
Quasi-millimeter-wave band such as 28 GHz band used in the fifth generation wireless communications has high straightnes... [more]
AP 2020-04-23
14:35
Mie Jingu-kaikan (Ise)
(Cancelled but technical report was issued)
Visible Light Transfer Meta-Surface Reflectors
Hiromi Matsuno, Satoshi Itou, Takahiro Hayashi, Masayuki Nakano (KDDI Research), Lin Wang, Yuko Rikuta (NIHON DENGYO KOSAKU) AP2020-3
 [more] AP2020-3
pp.13-17
AP 2020-04-24
10:20
Mie Jingu-kaikan (Ise)
(Cancelled but technical report was issued)
Received Power Improvement in NLoS Region of L-Shaped Corridor by Utilizing Meta-Surface Reflector
Mayumi Yoshino, Doppo Sugimura, Tomoaki Kudo, Toshiyuki Kobayashi (Dengyo), Hiromi Matsuno, Satoshi Ito (KDDI Research) AP2020-5
For the make use of high frequency band in the next generation mobile communication systems, MSR (Meta-Surface Reflector... [more] AP2020-5
pp.23-26
 Results 1 - 20 of 58  /  [Next]  
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