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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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 |
| SRW | 2023-06-12 11:40 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
Development of High- Precision Radio Sensor for 5G Downlink Signal Detection Using Software-Defined Radio and Its Performance Evaluation Yuto Sasaki, Shota Mori, Keiichi Mizutani, Hiroshi Harada (Kyoto Univ.) SRW2023-5 |
Since the amount of required mobile data traffic continues to increase, the spectrum resources for 5G will be insufficie... [more] | SRW2023-5 pp.25-30 |
| RCS, SR, SRW (Joint) |
2023-03-01 14:20 |
Tokyo | Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Future Wireless Communications using Multi-Dimensional Wireless Environment Recognition Takeo Fujii (UEC) SR2022-84 |
Various applications from IoT (Internet of Things) to large capacity video transmission are expected to be supported in ... [more] | SR2022-84 pp.4-9 |
| 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 |
| 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] | |
| SRW | 2022-08-22 10:40 |
Online | Online | A Study on Dynamic Spectrum Sharing Using Linear Programming in Wireless LAN Takahiro Sasaki, Shigenobu Sasaki (Niigata Univ.) SRW2022-10 |
With the increase in the number of wireless communication devices, there is concern about the shortage of frequency reso... [more] | SRW2022-10 pp.8-13 |
| RCS, SR, SRW (Joint) |
2022-03-02 13:30 |
Online | Online | [Invited Lecture]
Interference Power Estimation Method Using the Radio Map and the 3D Map for Spectrum Sharing SunaoMiyamoto, Takeo Fujii (UEC) SR2021-93 |
In recent years, spectrum sharing technology is attracting attention to solve the problem of spectrum shortage. In order... [more] | SR2021-93 pp.36-41 |
| RCS, SR, SRW (Joint) |
2022-03-03 10:45 |
Online | Online | A Study on Computational Reduction for Dynamic Spectrum Access Database Ryota Niioka, Shigenobu Sasaki (Niigata Univ.), Riku Ohmiya, Tomoki Murakami (NTT) SRW2021-74 |
Dynamic spectrum access (DSA) has been attracting attention to address the problem of insufficient frequency bands due t... [more] | SRW2021-74 pp.27-32 |
| EMM, EA, ASJ-H | 2021-11-16 09:00 |
Online | Online | [Poster Presentation]
Interactive visualization of EGG speech database based on analysis using time windows without sidelobes Hideki Kawahara (Wakayama Univ.), Kohei Yatabe (Waseda Univ.), Ken-Ichi Sakakibara (Health Science Univ. Hokkaido), Tatsuya Kitamura (Konan Univ.), Hideki Banno (Meijo Univ.), Masanori Morise (Meiji Univ.) EA2021-48 EMM2021-75 |
We introduce three objective measurement methods for speech signal periodicity using sidelobe-less windowing functions. ... [more] | EA2021-48 EMM2021-75 pp.120-127 |
| RCS, SAT (Joint) |
2021-08-27 13:10 |
Online | Online | Prior Frequency Band Allocation for Spectrum Sharing based on Interference Distribution Bounpasith Chaleunsouk, Koichi Adachi (UEC) RCS2021-111 |
Spectrum sharing allows multiple users, i.e., a primary user (PU) to a secondary user (SU), to share the same frequency ... [more] | RCS2021-111 pp.63-68 |
| 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 |
| RCS, SR, SRW (Joint) |
2021-03-05 10:55 |
Online | Online | A Study on Spectrum Database for Wireless LAN Junya Yamaguchi, Shigenobu Sasaki (Niigata Univ.), Riku Ohmiya, Tomoki Murakami (NTT) SRW2020-76 |
In this paper, a dynamic spectrum sharing (DSS) method using spectrum database is investigated for wireless LAN. Demand ... [more] | SRW2020-76 pp.82-87 |
| SR | 2021-01-25 10:25 |
Online | Online | A Study on Dynamic and Autonomous Decentralized Spectrum Sharing System Haruya Oguni, Toshiyuki Maeyama (Takushoku Univ.), Tatsuya Yoshioka (ATR), Nobuo Suzuki (Kindai Univ.), Akio Hasegawa, Hiroyuki Yokoyama (ATR) SR2020-48 |
Due to the recent development of mobile telecommunication systems, there is concern about the shortage of spectrum resou... [more] | SR2020-48 pp.9-14 |
| 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 | 2020-11-20 14:20 |
Online | Online | [Panel Discussion]
Current status and its future advanced solutions of database control & management in dynamic spectrum sharing/access technology TBA (Sony) SR2020-46 |
This paper summaries the current status of technology migration on the primary protection techniques for Dynamic Spectru... [more] | SR2020-46 pp.152-158 |
| SRW | 2020-08-24 10:50 |
Online | Online | A Study on Dynamic Spectrum Sharing by Database for White Space Utilization Ryota Niioka, Shigenobu Sasaki (Niigata Univ.), Riku Ohmiya, Tomoki Murakami (NTT) SRW2020-11 |
Dynamic spectrum sharing (DSS) has been paid attention as a promising scheme to meet increasing demand of radio spectrum... [more] | SRW2020-11 pp.13-18 |
| 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 |
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