Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
RCS, SR, NS, SeMI, RCC (Joint) |
2021-07-16 13:25 |
Online |
Online |
An Evaluation of Learning Accuracy in Federated Learning with Local Differential Privacy Yuta Kakizaki, Koya Sato, Keiichi Iwamura (Tokyo Univ. of Science) SR2021-37 |
In federated learning, where each device learns cooperatively without disclosing the training data, the privacy level ca... [more] |
SR2021-37 pp.87-93 |
OME, IEE-DEI |
2021-03-01 14:35 |
Online |
Online |
Fabrication of inverted perovskite solar cells with self-assembled hole buffer layers Takao Ueda, Koki Sato, Eiji Itoh (Shinshu Univ.), Ono Hironobu, Goda Shunn (Nipponshokubai) OME2020-21 |
In this study, we have fabricated inverted perovskite solar cells (IPSCs) consisting of ITO/ultra-thin hole buffer layer... [more] |
OME2020-21 pp.8-13 |
HCGSYMPO (2nd) |
2020-12-15 - 2020-12-17 |
Online |
Online |
Simple Positioning Method by Triangulation using orientation of Smartphone Koki Sato, Mitsunori Matsushita (Kansai Univ.) |
In this research, we propose a seamless operating method for IoT products in a room. Many IoT products support remote co... [more] |
|
EE, OME, CPM |
2020-12-11 13:25 |
Online |
Online |
Fabrication of inverted perovskite solar cell with graphene oxide hole buffer layer and the effect of AZO nanoparticles as the electron buffer layers on the photovoltaic properties koki sato, Takao Ueda, Eiji Itoh (Shinshu Univ), Hironobu Ono, Shun Goda (Nisshoku) EE2020-19 CPM2020-51 OME2020-4 |
[more] |
EE2020-19 CPM2020-51 OME2020-4 pp.19-24 |
SR |
2020-11-20 10:00 |
Online |
Online |
Compensation of Clutter Loss Considering Antenna Height Difference and Dominant Path for Spectrum Sharing Sunao Miyamoto, Keita Katagiri (UEC), Koya Sato (TUS), Koichi Adachi, Takeo Fujii (UEC) SR2020-39 |
In recent years, spectrum sharing technology is attracting attention to solve the problem of spectrum shortage. In order... [more] |
SR2020-39 pp.108-113 |
SR |
2020-11-20 14:05 |
Online |
Online |
[Panel Discussion]
Data-Driven Radio Propagation Estimation for Spectrum Sharing: Trends and Challenges Koya Sato (TUS) SR2020-45 |
In the field of spectrum sharing, spectrum database has been recognized as a practical enabler for estimating and managi... [more] |
SR2020-45 pp.146-151 |
SR, NS, SeMI, RCC, RCS (Joint) |
2020-07-10 11:35 |
Online |
Online |
Experimental Verification of Shadowing Classification for Measurement-based Spectrum Database Keita Katagiri (UEC), Koya Sato (TUS), Kei Inage (TMCIT), Takeo Fujii (UEC) SR2020-20 |
As a hybrid estimation method of the radio environment, we have proposed a shadowing classifier. In the shadowing classi... [more] |
SR2020-20 pp.63-70 |
RISING (2nd) |
2019-11-27 13:55 |
Tokyo |
Fukutake Learning Theater, Hongo Campus, Univ. Tokyo |
[Poster Presentation]
Clustering of Signal Power Distribution Toward Low Storage Crowdsourced Spectrum Database Yoji Uesugi, Keita Katagiri (UEC), Koya Sato (TUS), Takeo Fujii (TMCIT), Takeo Fujii (UEC) |
[more] |
|
EMCJ |
2019-07-18 10:55 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Research on Space Distribution and Electrical Characteristics of Global Lightning based on Optical Observation from International Space Station Ryunosuke Kitamura, Yasuhide Hobara, Hiroshi Kikuchi (UEC), Mitsuteru Sato, Yukihiro Takahashi (HU), Toru Adachi (MRI), Tomoo Ushio (TMU), Makoto Suzuki (JAXA) EMCJ2019-20 |
Spatial distributions of global lightning are obtained mainly by an optical observation using satellites, but in this me... [more] |
EMCJ2019-20 pp.11-16 |
SeMI, RCS, NS, SR, RCC (Joint) |
2019-07-11 10:40 |
Osaka |
I-Site Nanba(Osaka) |
[Poster Presentation]
A Study on Efficient Secure Routing Protocol based on AODV for Large Scale Ad Hoc Networks Yuma Shibasaki, Koya Sato, Keiichi Iwamura (TUS) RCC2019-31 NS2019-67 RCS2019-124 SR2019-43 SeMI2019-40 |
This paper proposes a secure routing protocol based on Ad hoc On-demand Distance Vector (AODV) that achieves both securi... [more] |
RCC2019-31 NS2019-67 RCS2019-124 SR2019-43 SeMI2019-40 pp.101-106(RCC), pp.127-132(NS), pp.123-128(RCS), pp.133-138(SR), pp.115-120(SeMI) |
RCS, SR, SRW (Joint) |
2019-03-06 15:40 |
Kanagawa |
YRP |
[Invited Lecture]
Spectrum Sharing based on Radio Environment Map: Theory and Open Issues Koya Sato (Tokyo Univ. of Science) SR2018-127 |
This paper summarizes the radio environment map (REM) for spatial spectrum sharing. REM contains spatial distribution of... [more] |
SR2018-127 pp.43-49 |
SR |
2019-01-24 15:45 |
Fukushima |
Corasse, Fukushima city (Fukushima prefecture) |
On the Radio Environment Map Construction using Neural Network Residual Kriging Koya Sato (TUS), Kei Inage (TMCIT), Takeo Fujii (UEC) SR2018-106 |
In this paper, we discuss the performance of feedforward neural network (FFNN) in radio environment map (REM) constructi... [more] |
SR2018-106 pp.63-70 |
SR |
2019-01-24 16:35 |
Fukushima |
Corasse, Fukushima city (Fukushima prefecture) |
Highly Accurate Estimation of Radio Propagation using Model Classifier Keita Katagiri, Keita Onose (UEC), Koya Sato (TUS), Kei Inage (TMCIT), Takeo Fujii (UEC) SR2018-108 |
A Measurement-based Spectrum Database (MSD) attracts attention as highly accurate radio environment recognition. In the ... [more] |
SR2018-108 pp.79-84 |
SR |
2019-01-25 15:15 |
Fukushima |
Corasse, Fukushima city (Fukushima prefecture) |
A Study on Frequency-domain Interpolation of a Radio Environment Map for Bands of Cellular System Keita Onose, Keita Katagiri (UEC), Koya Sato (TUS), Kei Inage (TMCIT), Takeo Fujii (UEC) SR2018-116 |
A Measurement-based Spectrum Database (MSD) attracts attention as highly accurate radio environment recognition. It is i... [more] |
SR2018-116 pp.123-128 |
SR |
2019-01-25 16:15 |
Fukushima |
Corasse, Fukushima city (Fukushima prefecture) |
Spectrum Database of Signal Power Distribution using Clustering Yoji Uesugi, Keita Katagiri (UEC), Koya Sato (TUS), Kei Inage (TMCIT), Takeo Fujii (UEC) SR2018-118 |
[more] |
SR2018-118 pp.135-140 |
SR |
2018-10-31 10:25 |
Overseas |
Mandarin Hotel, Bangkok, Thailand |
[Poster Presentation]
Power Control exploiting Spectrum Database for V2V Communication Systems Keita Katagiri (UEC), Koya Sato (TUS), Takeo Fujii (UEC) SR2018-76 |
In order to realize reliable Vehicle-to-Vehicle (V2V) communication systems for autonomous driving, the recognition of r... [more] |
SR2018-76 pp.39-40 |
ASN, NS, RCS, SR, RCC (Joint) |
2018-07-12 10:20 |
Hokkaido |
Hakodate Arena |
Experimental Verification of Frequency-Correlation of Radio Propagation Characteristics for Radio Environment Recognition Keita Onose (UEC), Koya Sato (TUS), Kei Inage (TMCIT), Takeo Fujii (UEC) SR2018-32 |
Spectrum sharing with cognitive radio has attracted attention to solve the shortage of spectrum resources. In order to r... [more] |
SR2018-32 pp.73-78 |
SR |
2018-01-26 10:55 |
Fukuoka |
Fukuoka univ. |
A Calibration Method for Crowdsensing Based Radio Environment Database Miho Ito, Keita Onose, Koya Sato (UEC), Kei Inage (TMCIT), Takeo Fujii (UEC) SR2017-103 |
In spectrum sharing with cognitive radio, radio environment estimation is essential to secure quality of unlicensed user... [more] |
SR2017-103 pp.57-62 |
SR |
2018-01-26 11:20 |
Fukuoka |
Fukuoka univ. |
Highly Accurate Prediction of Signal Variation Distribution Using Surrounding Vehicles Information Keita Katagiri, Koya Sato, Takeo Fujii (UEC) SR2017-104 |
[more] |
SR2017-104 pp.63-68 |
SR, SRW (Joint) |
2017-10-23 14:00 |
Overseas |
Grand Hotel Palatino, Rome, Italy |
[Poster Presentation]
Experimental Verification of Frequency-Correlation for Radio Environment Recognition Using Crowd Sensing Keita Onose, Koya Sato (UEC), Kei Inage (TMCIT), Takeo Fujii (UEC) SR2017-74 SRW2017-26 |
Spectrum sharing with cognitive radio has attracted attention to solve the shortage of spectrum resources. In order to r... [more] |
SR2017-74 SRW2017-26 pp.27-28(SR), pp.31-32(SRW) |