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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 61  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
AP, SANE, SAT
(Joint)
2022-07-28
09:50
Hokkaido Asahikawa Taisetsu Crystal Hall
(Primary: On-site, Secondary: Online)
A Study on Null Formation Control for Interference Suppression on High-Altitude Platforms Comprising Space-Air-Ground Integrated Network
Yuto Okawara, Yuichi Kawamoto, Nei Kato (Tohoku Univ) SAT2022-22
Since one of the 6G requirements is to provide global and ubiquitous coverage, there is an urgent need to cover unreacha... [more] SAT2022-22
pp.30-34
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
SANE 2021-11-11
13:40
Online Online Application of passive radar for ocean surface radar system
Akitsugu Nadai (NICT) SANE2021-45
In recent years, the effective use of radio frequency resources has been raised as a technological development issue. Fo... [more] SANE2021-45
pp.71-75
AP, RCS
(Joint)
2021-11-10
15:55
Nagasaki NBC-Bekkan (Nagasaki)
(Primary: On-site, Secondary: Online)
A study on Down Link Transmit Interference Canceller for MIMO when HAPS and Cellular Mobile share a frequency.
Ryuki Yanagawa, Teruya Fujii (Tokyo Tech) RCS2021-153
In mobile communication systems, HAPS (High-Altitude Platform System), which flies at an altitude of about 20 km and use... [more] RCS2021-153
pp.52-57
SR 2021-11-04
13:05
Online Online [Invited Talk] Policy for dynamic frequency sharing
Yasuhiro Yanagisako (MIC) SR2021-46
In recent years, the age of digital transformation is reached. In order to secure the spectrum on new radio utilization ... [more] SR2021-46
p.37
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
AP, SANE, SAT
(Joint)
2021-07-30
09:25
Online Online The measurement of radiation pattern of consumer DBS receiving antenna in the 9 GHz band
Yasushi Mizuki (NHK), Shoji Tanaka, Kazuyoshi Shogen (B-SAT), Satoshi Iwasaki, Junya Matsushita, kazunori Yokohata (NHK) SAT2021-23
In order to clarify the conditions like the allowable interference level and the separation distance necessary for preve... [more] SAT2021-23
pp.18-23
SR 2020-11-20
10:25
Online Online A Radio Map Construction Based on Deep Generative Models with 3 Dimensional map
Shinsuke Bannai, Katsuya Suto (UEC) SR2020-40
This paper addresses a spatial extrapolation problem in measurement-based radio map construction. Compared to a spatial ... [more] SR2020-40
pp.114-119
SAT, RCS
(Joint)
2020-08-20
09:50
Online Online Measurement of C/I at picture disruption in BS, CS receivers caused by pulse modulated wave interference
Kazuyoshi Shogen (B-SAT), Keiichi Tajima (SJC), Junya Matsushita, Masaaki Kojima (NHK), Shoji Tanaka (B-SAT), Yoshikazu Yamada, Taro Hamanaka, Akinori Hashimoto (NHK) SAT2020-12
In order to clarify the conditions like the allowable interference level and the separation distance necessary for preve... [more] SAT2020-12
pp.13-18
SR 2019-12-05
13:50
Okinawa Ishigaki City Hall (Ishigaki Island) [Poster Presentation] Examination of information compression of spectrum sensing by many sensors for detecting white space
Kenichiro Yamamoto, Osamu Takyu, Keiichiro Shirai, Yasushi Fuwa (Shinshu Univ.) SR2019-91
Spatial frequency sharing with existing radio stations in the frequency band suitable for mobile communication systems i... [more] SR2019-91
pp.27-28
SR 2019-12-05
13:50
Okinawa Ishigaki City Hall (Ishigaki Island) [Poster Presentation] Examination of interference estimation by verification using radio wave sensor considering detection sensitivity
Tsuyoshi Kobayashi, Kenichiro Yamamoto, Osamu Takyu, Yasushi Fuwa (Shinshu Univ.) SR2019-94
With the recent development of wireless communication technology, depletion of frequency resources is regarded as a prob... [more] SR2019-94
pp.43-44
SR 2019-11-05
10:50
Overseas Rutgers University Inn & Conference Center, NJ, USA [Poster Presentation] Evaluation of radio propagation characteristics with Various Antenna High for 920MHz frequency sharing
Ryota Sugimoto, Osamu Takyu (Shinshu Univ.), Koichi Adachi (UEC), Mai Ohta (Fukuoka Univ.), Takeo Fujii (UEC) SR2019-79
LPWAN is widely used for IoT because it can communicate over long distances and with low power consumption. However, whe... [more] SR2019-79
pp.41-42
AP, SANE, SAT
(Joint)
2019-07-18
12:40
Miyagi Tohoku Univ. Measurement of image interference suppression ratio for BS and CS receiving antennas
Kazuyoshi Shogen (B-SAT), Keiichi Tajima (SJC), Hirishi Hanado (NICT), Tomohiro Shimazaki, Masaaki Kojima (NHK), Shoji Tanaka (B-SAT), Akinori Hashimoto, Kazunori Yokohata, Taro Hamanaka (NHK) AP2019-30 SAT2019-12
In order to clarify the conditions like the allowable interference level and the separation distance necessary for preve... [more] AP2019-30 SAT2019-12
pp.49-53(AP), pp.25-29(SAT)
RCS, SIP, IT 2019-02-01
11:15
Osaka Osaka University Three-dimensional Cooperative Carrier Sensing for Un-Used Frequency Utilization
Riku Ohmiya, Tomoki Murakami, Koichi Ishihara, Takafumi Hayashi, Takatori Yasushi (NTT) IT2018-57 SIP2018-87 RCS2018-264
As mobile terminals such as smartphones explosively spread, mobile traffic’s volume also continues to increase. Along wi... [more] IT2018-57 SIP2018-87 RCS2018-264
pp.127-132
SR 2018-10-31
10:25
Overseas Mandarin Hotel, Bangkok, Thailand [Poster Presentation] Time Series Analysis of Multiple Primary Users by Cooperative Sensing based on SDAR Algorithm
Akihisa Abe, Yuya Aoki, Takeo Fujii (UEC) SR2018-80
As a way to utilize the limited frequency resource efficiently, frequency sharing based on the spectrum database has bee... [more] SR2018-80
pp.49-50
AP, SANE, SAT
(Joint)
2018-07-18
13:55
Hokkaido Hokkaido Univ. Characteristics of Frequency Sharing Criteria in the Broadcasting Satellite Link
Kazuyoshi Shogen (B-SAT), Thong Pham Viet (BR, ITU-R) AP2018-49 SAT2018-13
Two types of frequency sharing criteria for BSS (Broadcasting Satellite Services) are enacted in Section 1 of Annex 1 to... [more] AP2018-49 SAT2018-13
pp.43-48(AP), pp.13-18(SAT)
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 2018-05-24
11:55
Tokyo Tokyo big sight A Study of Interference-Resistant Evaluation of WLAN Systems for Frequency Spectrum Sharing
Hironori Godo, Osamu Takyu (Shinshu Univ.), Koichi Adachi (UEC), Mai Ohta (Fukuoka Univ.), Takeo Fujii (UEC), Fumihito Sasamori, Shiro Handa (Shinshu Univ.) SR2018-3
Wireless local area networks (WLAN) are widely spread over office and home for supporting various applications. From the... [more] SR2018-3
pp.13-19
SR, SRW
(Joint)
2017-10-23
14:00
Overseas Grand Hotel Palatino, Rome, Italy [Technology Exhibit] Verification of Dynamic Frequency Sharing System with Wideband Sensing for 5G
Nobuo Suzuki, Hiromi Matsuno, Tatsuya Yoshioka, Morihiko Tamai (ATR), Masaki Kitsunezuka, Kazuaki Kunihiro (NEC), Shota Yamashita, Koji Yamamoto (Kyoto University), Yuki Koizumi, Toru Hasegawa (Osaka University) SR2017-66 SRW2017-19
The 5th generation mobile communication systems require more frequency bandwidth to achieve various user’s requirements ... [more] SR2017-66 SRW2017-19
p.1(SR), p.7(SRW)
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)
 Results 1 - 20 of 61  /  [Next]  
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