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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| NS, RCS (Joint) |
2023-12-15 14:25 |
Fukuoka | Kyushu Institute of Technology Tobata campus, and Online (Primary: On-site, Secondary: Online) |
Terminal Scheduling Method for Spectrum Sharing between Non-Terrestrial Networks and Terrestrial Networks using Radio Map Shugo Hirano, Hirofumi Nakajo, Takeo Fujii (UEC)  RCS2023-201 |
With the proliferation of the Internet-of-Things (IoT) and cell phones, there is a need to provide high-speed communicat... [more] | RCS2023-201 pp.123-128 |
| SeMI, RCS, RCC, NS, SR (Joint) |
2023-07-13 16:10 |
Osaka | Osaka University Nakanoshima Center + Online (Primary: On-site, Secondary: Online) |
[Short Paper]
Detection of Hidden Nodes Using Wireless LAN Sensing Data Hayato Mukasa, Fujii Takeo (UEC) SR2023-39 |
The Internet of Things (IoT) is attracting attention for monitoring the status of equipment in indoor environments such ... [more] | SR2023-39 pp.52-54 |
| 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 | 2021-05-21 11:15 |
Online | Online | Channel Allocation for LoRaWAN Considering Intra-System and Inter-System Interferences Shinichiro Kakuda, Yudai Yamazaki, Keita Katagiri, Takeo Fujii (UEC), Osamu Takyu (Shinshu Univ.), Mai Ohta (Fukuoka Univ.), Koichi Adachi (UEC) SR2021-12 |
In low power wide area network (LPWAN), intra-system and inter-system interferences have become a crucial issue due to a... [more] | SR2021-12 pp.79-85 |
| SR, NS, SeMI, RCC, RCS (Joint) |
2020-07-10 12:00 |
Online | Online | A Study of Wireless System Selection with Spectrum Database for IoT Soraya Mitate, Yudai Yamazaki, Takeo Fujii (UEC), Shusuke Narieda (Mie Univ.) SR2020-21 |
In recent years, LoRaWAN (Long Range Wide Area Network) has been attracting attention because it enables long-distance c... [more] | SR2020-21 pp.71-78 |
| 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 | 2019-12-06 14:15 |
Okinawa | Ishigaki City Hall (Ishigaki Island) | Dynamic Bandwidth Allocation Using Prior Measured CQI Information for Spectrum Sharing in Private Mobile Networks Akihisa Abe, Takeo Fujii (UEC) SR2019-107 |
As the next generation of cellular systems, 5G has been paid attention in recent years. In order to promote the use of 5... [more] | SR2019-107 pp.109-115 |
| SR | 2019-05-30 16:45 |
Tokyo | Tokyo Big Sight | Spectrum Sharing exploiting Spectrum Database for LPWA Yudai Yamazaki, Takeo Fujii (UEC), Osamu Takyu (Shinshu Univ.), Mai Ohta (Fukuoka Univ.), Koichi Adachi (UEC) SR2019-10 |
In the most of current low power wide area (LPWA), packet collisions of uplink communication are controlled by setting d... [more] | SR2019-10 pp.63-68 |
| 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 | 2017-01-20 12:05 |
Ehime | Himegin Hall | Mesh Clustering for Measurement-based Spectrum Database Rei Hasegawa, Takeo Fujii (UEC) SR2016-90 |
A spectrum database is a radio propagation estimation tool for the spectrum sharing. Using the spectrum database, second... [more] | SR2016-90 pp.71-76 |
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