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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SR | 2022-11-07 15:30 |
Fukuoka | Fukuoka University (Primary: On-site, Secondary: Online) |
[Technology Exhibit]
5D spectrum database Hirofumi Nakajo, Yusuke Itayama, Shougo Matsuo, Takeo Fujii (UEC)  SR2022-56 |
A key issue in the research and development of next-generation mobile communication systems (Beyond 5G/6G) is the availa... [more] | SR2022-56 pp.58-63 |
| SR | 2022-11-08 09:55 |
Fukuoka | Fukuoka University (Primary: On-site, Secondary: Online) |
Adaptive selection of radio access technology for V2X with radio environment database Atsuki Mukoda, Takeo Fujii (UEC) SR2022-58 |
With the development of automated driving systems, the day when autonomous driving vehicles and non-autonomous driving v... [more] | SR2022-58 pp.71-77 |
| RISING (3rd) |
2022-10-31 15:00 |
Kyoto | Kyoto Terrsa (Day 1), and Online (Day 2, 3) | [Poster Presentation]
A Trustworthy Approach for Radio Environment Map Construction in CRNs Ying GAO, Takeo Fujii (UEC) |
A common tool for improving communication efficiency when sharing spatial spectrum is the Radio Environment Map (REM). A... [more] | |
| IE, ITS, ITE-AIT, ITE-ME, ITE-MMS [detail] | 2022-02-21 16:15 |
Online | Online | Adaptive Communication System Selection Method for V2X Using Wireless Environment Database Ayumu Ueda, Takeo Fujii, Atsuki Mukoda (UEC) ITS2021-35 IE2021-44 |
Recently, various systems for Vehicle to Infrastructure (V2I) communication have been studied. However, it is difficult ... [more] | ITS2021-35 IE2021-44 pp.61-66 |
| IE, ITS, ITE-AIT, ITE-ME, ITE-MMS [detail] | 2022-02-21 16:30 |
Online | Online | Constructing Packet Delivery Rate-Based Map for V2X Using Confidence Interval Atsuki Mukoda, Ayumu Ueda, Keita Katagiri, Takeo Fujii (UEC) ITS2021-36 IE2021-45 |
Recently, a radio map has been attracted attention for realizing reliable V2X communications. To create the radio map fo... [more] | ITS2021-36 IE2021-45 pp.67-72 |
| 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 |
| SR | 2020-06-04 14:00 |
Online | Online | Radio Propagation Extrapolation Based on Correction of Empirical CDF Keita Katagiri, Takeo Fujii (UEC) SR2020-2 |
In this paper, we propose a radio propagation extrapolation method based on the correction of an empirical cumulative di... [more] | SR2020-2 pp.9-16 |
| MI | 2020-01-29 10:15 |
Okinawa | OKINAWAKEN SEINENKAIKAN | Analysis of disease classification and musculoskeletal anatomy using medical images and radiology reports in a large-scale medical image database Shuhei Honda, Yoshito Otake (NAIST), Masaki Takao (Osaka Univ.), Eiji Aramaki, Shuntaro Yada, Yuta Hiasa (NAIST), Kento Aida, Shinichi Sato (NII), Akihiro Nishie (Kyushu Univ.), Nobuhiko Sugano (Osaka Univ.), Yoshinobu Sato (NAIST) MI2019-69 |
Recently, the environment for the analysis of large databases, such as the large-scale medical image database, have been... [more] | MI2019-69 pp.19-22 |
| SR | 2019-12-05 13:50 |
Okinawa | Ishigaki City Hall (Ishigaki Island) | [Poster Presentation]
Radio Propagation Estimation Considering Altitude for Spectrum Sharing between LTE/5G and Different Systems Sunao Miyamoto, Keita Katagiri, Takeo Fujii (UEC) SR2019-89 |
In this paper, we discuss a radio propagation estimation considering altitude of receiving antenna. In recent years, spe... [more] | SR2019-89 pp.23-24 |
| SR | 2019-12-06 13:00 |
Okinawa | Ishigaki City Hall (Ishigaki Island) | Radio Environment Map Updating Procedure based on Hypothesis Testing Keita Katagiri, Takeo Fujii (UEC) SR2019-104 |
(To be available after the conference date) [more] | SR2019-104 pp.87-94 |
| SR | 2019-05-31 10:00 |
Tokyo | Tokyo Big Sight | [Technology Exhibit]
Highly Accurate Prediction of Radio Environment for V2V Communication Systems Keita Katagiri, Takeo Fujii (UEC) SR2019-18 |
An accurate estimation of radio propagation considering the geographical conditions is needed for realizing reliable veh... [more] | SR2019-18 pp.107-112 |
| 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 14:50 |
Fukushima | Corasse, Fukushima city (Fukushima prefecture) | High Density Spectrum Sharing Method among Micro Operators considering Mesurement-based Spectrum Database Hirofumi Nakajo, Yuya Aoki, Keita Katagiri, Takeo Fujii (UEC) SR2018-115 |
In 5G, micro operator and local 5G concepts that arrange small cells with high flexibility and scalability attract atten... [more] | SR2018-115 pp.117-122 |
| 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 | 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 |
| SRW | 2018-08-20 16:25 |
Okayama | Okayama Univ. | [Invited Talk]
Localization of Unknown Radios in Urban Environments
-- On-campus Experiment Results -- Azril Haniz, Gia Khanh Tran, Kei Sakaguchi, Jun-ichi Takada (Tokyo Tech.), Toshihiro Yamaguchi, Tsutomu Mitsui, Shintaro Arata (Koden) SRW2018-20 |
Conventional fingerprint-based localization techniques may fail to accurately localize targets if their signal parameter... [more] | SRW2018-20 pp.63-68 |
| ASN, NS, RCS, SR, RCC (Joint) |
2018-07-12 09:30 |
Hokkaido | Hakodate Arena | Construction of Time-Space Radio Environment Database using HMM for Cooperative Sensing Yuya Aoki, Takeo Fujii (UEC) SR2018-30 |
In recent years, many researchers focus on a measurement-based Radio Environment Database (RED) that utilizes the actual... [more] | SR2018-30 pp.57-64 |
| 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 |
| RCS, SR, SRW (Joint) |
2018-03-02 09:00 |
Kanagawa | YRP | [Invited Lecture]
Machine Learning Based Regression of Fingerprint Database for Unknown Radio Localization Azril Haniz, Gia Khanh Tran, Kei Sakaguchi, Jun-ichi Takada (Tokyo Tech), Toshihiro Yamaguchi, Tsutomu Mitsui, Shintaro Arata (Koden Electronics) SR2017-129 |
Conventional fingerprinting techniques may face difficulties in dealing with the localization of unknown radios, due to ... [more] | SR2017-129 pp.81-88 |
| 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 |
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