Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP (2nd) |
2025-03-03 14:30 |
Kanagawa |
Yokohama National University (Kanagawa) |
[Invited Demonstration]
1st to 5th Generation Wireless Base Station Antennas (Outline) Masayuki Nakano (KDDI Research) |
[more] |
|
AP |
2024-12-12 13:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Tokyo, Online) (Primary: On-site, Secondary: Online) |
Human body loss characteristics of finite integral and ray trace methods in the 2GHz~300GHz band Masayuki Nakano, Kazuki Takezawa, Tatsuya Nagao, Takahiro Hayasyi (KDDI Research) AP2024-160 |
The human body loss was calculated from 2 GHz to 300 GHz using the finite integral and ray
trace methods, and the shie... [more] |
AP2024-160 pp.1-5 |
AP (2nd) |
2023-12-07 16:25 |
Wakayama |
Kiboukan (Nanki Shirahama) (Wakayama) |
Area Evaluation of Sub6-band Manhole Lens Antenna by Computer Simulation Masayuki Nakano, Masayuki Nakano, Takahiro Hayashi (KDDI Research) |
[more] |
|
AP |
2023-10-20 10:30 |
Iwate |
Iwate University (Iwate, Online) (Primary: On-site, Secondary: Online) |
Improvement of characteristics in 700-800MHz band in 8-wave multiband antenna for mobile communication Masayuki Nakano, Yosyio Kunisawa, Takahiro Hayashi (KDDI Research, Inc) AP2023-122 |
The authors conducted computer simulations and prototypes of small, low-profile multiband MIMO antennas for mobile commu... [more] |
AP2023-122 pp.127-132 |
AP (2nd) |
2023-06-01 14:45 |
Nagano |
Nagano Prefecture Minamimaki Village Office, Central Public Hall (Nagano) |
Evaluation of terahertz wave patch antenna and meander line antenna considering the influence of human body Masayuki Nakano, Yoshio Kunisawa, Takahiro Hayashi (KDDI Research) |
[more] |
|
AP |
2023-03-17 10:55 |
Toyama |
Toyama Prefectural Civic Hall (Toyama, Online) (Primary: On-site, Secondary: Online) |
AP2022-244 |
FDTD for electromagnetic field simulation was performed on a manhole-type antenna in a mobile communication base station... [more] |
AP2022-244 pp.61-66 |
AP (2nd) |
2022-12-08 09:35 |
Okinawa |
(Okinawa, Online) (Primary: On-site, Secondary: Online) |
Simulation evaluation of antennas and human body in microwave to terahertz wave Masayuki Nakano, Yoshio Kunisawa, Takahiro Hayashi (KDDI Research) |
[more] |
|
AP (2nd) |
2022-12-08 14:40 |
Okinawa |
(Okinawa, Online) (Primary: On-site, Secondary: Online) |
Measurement of Bistatic RCS Characteristics for Incident angle of Reflectarray by Source Reconstrcution Hiroshi Hashiguchi, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Hiromi Matsuno, Takuya Ohto, Masayuki Nakano (KDDI Research, Inc) |
[more] |
|
AP (2nd) |
2022-06-10 09:35 |
Hokkaido |
Nemuro General Cultural Center (Hokkaido, Online) (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 (Hokkaido, Online) (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 (Hyogo, Online) (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 (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) (Nagasaki, Online) (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 (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 (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 (Okinawa, Online) (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 (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) (Okinawa) (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) (Mie) (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. (Tokyo) |
[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 |