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Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 77  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
AP
(2nd)
2022-06-10
09:35
Hokkaido Nemuro General Cultural Center
(Primary: On-site, Secondary: Online)
Simulation evaluation of horn antennas and human body in the 30GHz and 100GHz bands
Masayuki Nakano (KDDI Reseach)
 [more]
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 2022-03-10
10:55
Online Online AP2021-183 From microwaves to terahertz waves, the directivity and gain were investigated by electromagnetic field simulation when ... [more] AP2021-183
pp.12-16
AP, RCS
(Joint)
2021-11-12
11:20
Nagasaki NBC-Bekkan (Nagasaki)
(Primary: On-site, Secondary: Online)
A Sidelobe Reduction for Dual Frequency and Polarization Reflectarray
Hiroshi Hashiguchi, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Hiromi Matsuno, Takuya Ohto, Masayuki Nakano (KDDI Research, Inc) AP2021-124
 [more] AP2021-124
pp.122-125
AP 2021-06-17
13:50
Online Online Prototype of Multi band orthogonal polarization and Angle MIMO antenna in cellular system
Masayuki Nakano, Yoshiaki Amano (KDDI Research, Inc) AP2021-21
We devised a small, low-profile multi-band MIMO antenna for cellular band such as indoor base
stations that supports m... [more]
AP2021-21
pp.13-18
AP 2020-12-17
15:40
Online Online Small sized and low profile of Multi band orthogonal polarization MIMO antenna in cellular system
Masayuki Nakano (KDDI Research Inc.) AP2020-102
In cellular system, on 800MHz band vertical polarization monopole antenna with , and tilt deformation horizontal polariz... [more] AP2020-102
pp.33-38
AP
(2nd)
2020-12-10
09:35
Okinawa Nobumoto Ohama Memorial Hall
(Primary: On-site, Secondary: Online)
Bistatic RCS Measurement of Dual Band and Dual Polarized Reflectarray
Cong Oai Nguyen, Kazuya Matsubayashi, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Hiromi Matsuno, Satoshi Ito, Takahiro Hayashi, Masayuki Nakano (KDDI Research)
In the fifth generation wireless communication systems, high frequency band such as the 28 GHz is used to high data rate... [more]
AP 2020-08-21
09:00
Online Online Dual Frequency and Polarized Reflectarray Using Cross Dipole and Patch Elements
Cong Oai Nguyen, Naobumi Michishita, Hisashi Morishita (Natinal Defense Acad.), Hiromi Matsuno, Satoshi Ito, Takahiro Hayashi, Masayuki Nakano (KDDI Research) AP2020-23
 [more] AP2020-23
pp.1-4
AP 2020-05-21
13:00
Okinawa Tiruru Okinawa (Naha-city)
(Cancelled, technical report was not issued)
Dual Frequency and Polarized Reflectarray Using Cross Dipole and Patch Elements
Cong Oai Nguyen, Naobumi Michishita, Hisashi Morishita (National Defense Acad.), Hiromi Matsuno, Satoshi Ito, Takahiro Hayashi, Masayuki Nakano (KDDI Research)
 [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 2018-02-16
16:20
Tokyo Kozo Keikaku Engineering, Inc. [Invited Lecture] Efforts of Antennas and Propagation in au×HAKUTO MOON CHALLENGE Project
Masayuki Nakano, Hiroaki Honma, Yoji Kishi (KDDI Research), Toshiki Tanaka, Toshiro Shimizu (ispace technologies) AP2017-190
 [more] AP2017-190
pp.77-80
AP, RCS
(Joint)
2017-11-10
10:25
Fukuoka Fukuoka University Area Evaluation by Spot Beam Antenna on the high position
Masayuki Nakano (KDDI Research, Inc), Sora Imamura, Hiroyuki Arai (Yokohama Natl. Univ.) AP2017-136
Due to the rapid increase in communication traffic of mobile terminals, it is difficult to find the base station antenna... [more] AP2017-136
pp.157-160
AP, RCS
(Joint)
2017-11-10
16:00
Fukuoka Fukuoka University [Invited Lecture] MIMO Charactaristics of 8-Branch MIMO Base Station Antenna using Orthogonal 4 Angles and 2 Polarizations
Masayuki Nakano (KDDI Research, Inc.) AP2017-143 RCS2017-247
 [more] AP2017-143 RCS2017-247
pp.189-193(AP), pp.237-241(RCS)
AP 2017-08-24
10:25
Hokkaido National Institute of Technology, Hakodate College Feasible study on direction of arrival estimation of 28 GHz band in suburban
Satoshi Ito, Masayuki Nakano (KDDI Research) AP2017-70
More precise simulation is required to design the area with massive MIMO which is considered of applying for mobile base... [more] AP2017-70
pp.13-17
AP 2017-08-25
09:55
Hokkaido National Institute of Technology, Hakodate College Experiment evaluation of urban propagation model in case of the high receiver position from ground level
Kenji Kobayashi (KCME), Masayuki Nakano, Yoshio Kunisawa (KDDI Research), Eiho Chin (KCME) AP2017-80
 [more] AP2017-80
pp.65-69
AP
(2nd)
2017-06-28
- 2017-06-30
Hokkaido Hokkaido University [Poster Presentation] 8-Branch MIMO Base Station Antenna using 4 Orthogonal Angles and 2 Polarizations
Masayuki Nakano (KDDI Research)
A cellular base station antenna realizing 8-branch MIMO is proposed and investigated. As the number of branches increase... [more]
AP 2017-05-19
10:10
Miyazaki Hotel MERIEGES 16 Branch MIMO Base Station Antenna using 4 Polarization and 4 Angular
Masayuki Nakano (KDDI Research) AP2017-36
In this paper, author proposes cellular base stations antenna realizing 16 branch MIMO. As the number of branches increa... [more] AP2017-36
pp.73-78
AP 2017-02-17
13:00
Tochigi Tochigiken-sougou-bunnka Center [Tutorial Lecture] Base Station Antenna and Cellular System Technology to improve the cell quality
Masayuki Nakano (KDDI Research) AP2016-172
In order to make effectively frequency reuse, as base station antenna system for reducing the interference of same frequ... [more] AP2016-172
pp.87-92
SAT 2016-10-13
10:45
Overseas Incheon Univ. Songdo R104, Auditorium & Performing Place au HAKUTO Moon Challenge -- Enhancement of radio communication between rover and lander --
Kosuke Yamazaki, Hiroaki Honma, Issei Kanno, Masayuki Nakano (KDDI Labs), Toshio Shimizu, Toshiki Tanaka (ispace) SAT2016-53
 [more] SAT2016-53
pp.15-18
 Results 1 - 20 of 77  /  [Next]  
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