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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SR | 2023-05-11 13:00 |
Hokkaido | Center of lifelong learning Kiran (Higashi Muroran) (Primary: On-site, Secondary: Online) |
Radio environment estimation in altitude by using the combination of observed data and 3D map Shota Yamada, Takeo Fujii (UEC)  SR2023-5 |
In Beyond 5G / 6G, which is being researched and developed as the next-generation mobile communication system, non-terre... [more] | SR2023-5 pp.27-32 |
| 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 |
| SANE, SAT (Joint) |
2019-02-14 14:15 |
Kagoshima | Tanegashima Island | Radar Target Recognition Framework with Convolutional Neural Networks Ryoma Yataka, Kazuki Hirashima, Masashi Shiraishi (MELCO) SANE2018-124 |
A Range-Doppler map is generated by processing a distant target signals measured by a radar. However, extracting feature... [more] | SANE2018-124 pp.77-82 |
| 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 | 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, 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) |
| RCS | 2016-10-20 10:45 |
Kanagawa | YRP (Yokosuka) | Multiple-band Wireless Communications in the Manufacturing Filed
-- Proposal of radio environment recognition method -- Yuichiro Ezure, Satoko Itaya, Akio Hasegawa, Jun Hasegawa, Akihiro Amagai, Atsushi Ozeki, Tsukasa Kobayashi, Kenichi Maruhashi, Chikashi Ito, Fumihide Kojima (NICT) RCS2016-156 |
In this paper, we focus on a problem which the people has different knowledge level of wireless communications to introd... [more] | RCS2016-156 pp.19-24 |
| AP, RCS, WPT, SAT (Joint) |
2015-11-06 09:30 |
Okinawa | Okinawa Prefectural Museum & Art Museum | High Frequency Radio Environment Recognition based on Undersampling Nobuaki Kuno, Yuki Morimoto, Yoshio Karasawa (UEC) RCS2015-225 |
Recently, such as cognitive radio which is changing the available frequency band adaptively, the research of advanced wi... [more] | RCS2015-225 pp.209-214 |
| SR | 2015-05-28 15:15 |
Hyogo | Akashi-Sangyou-Koryu-Center | Rario Environment Statistical Recognition Based on State Transition Model with Considering of Intersystem Interference in Spectrum Sharing Scenarios Hirofumi Sasaki, Takayuki Yamada, Jun Mashino, Takatoshi Sugiyama (NTT) SR2015-6 |
In heterogeneous wireless networks with spectrum sharing, radio wave collisions often occur randomly by not only intra-s... [more] | SR2015-6 pp.31-38 |
| SR | 2007-11-27 10:30 |
Hiroshima | Hirishima international univ. | [Poster Presentation]
Experimental Verification of the Relation between the Transition of Radio Resource Availability and its Prediction Possibility in Cognitive Radio Shoji Kaneko, Shinichi Nomoto, Tetsuro Ueda, Shingo Nomura, Kazunori Takeuchi (KDDI R&D Laboratories Inc.) SR2007-51 |
This paper presents an experimental verification of the relation between the transition of radio resource availability a... [more] | SR2007-51 pp.35-41 |
| SR | 2006-11-29 13:55 |
Hokkaido | A Study of Inter Radio System Handover Protocol for Cognitive Radio Seishi Hanaoka, Naruhito Nakahara, Masashi Yano, Satoshi Yoshizawa, Tetsuhiko Hirata (Hitachi) SR2006-42 |
Cognitive radio system consists of multiple wireless access systems that cover overlapping area, and cognitive terminals... [more] | SR2006-42 pp.5-10 |
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| SR | 2006-12-01 09:25 |
Hokkaido | A Study of Radio Environment Recognition in Cognitive Radio Shoji Kaneko, Tetsuro Ueda, Shingo Nomura, Keizo Sugiyama, Kazunori Takeuchi (KDDI R&D Laboratories Inc.) SR2006-63 |
One of the main problems when a disaster occurs is that communication breaks down within the disaster stricken area. In ... [more] | SR2006-63 pp.153-158 |
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