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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 24  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCS, SR, SRW
(Joint)
2020-03-04
11:15
Tokyo Tokyo Institute of Technology
(Cancelled but technical report was issued)
Joint Wideband Angular-Frequency Sparse Spectrum Sensing utilizing Compressive Sensing
Azril Haniz, Takeshi Matsumura, Fumihide Kojima (NICT) SR2019-116
The fifth generation (5G) mobile communications system is expected to provide wireless communications services for a wid... [more] SR2019-116
pp.17-24
RCS, SR, SRW
(Joint)
2020-03-04
15:00
Tokyo Tokyo Institute of Technology
(Cancelled but technical report was issued)
[Invited Talk] A Proposal of Dynamic Spectrum Sharing Architecture between different radio services and 5G system
Kosuke Yamazaki, Takahiro Hayashii, Yoshiaki Amano, Yoji Kishi (KDDI Research), Takeo Fujii, Koichi Adachi (UEC), Hiroshi Harada, Kei-ichi Mizutani (Kyoto Univ.), Jun-ichi Takada, Kentaro Saito (TIoT), Yasushi Fuwa, Osamu Takyu (Shinshu Univ.), Ryo Sawai, Ryota Kimura (SONY), Satoshi Baba, Hironori Kakefuda (NDK), Hideki Kanemoto, Takeshi Yasunaga (Panasonic) RCS2019-345 SR2019-120 SRW2019-66
To achieve highly efficient spectrum usage, we propose a novel spectrum management scheme to realize Dynamic Spectrum Sh... [more] RCS2019-345 SR2019-120 SRW2019-66
pp.137-142(RCS), pp.41-46(SR), pp.35-40(SRW)
AP 2020-02-21
13:25
Shizuoka Shizuoka Univ. Hamamatsu Campus [Invited Lecture] Doppler Spectrum Characteristics of 4.7 and 28 GHz in High-Speed Moving Environment exceeding 280 km/h
Nobuaki Kuno, Wataru Yamada, Yusuke Asai, Yasushi Takatori (NTT), Minoru Inomata, Satoshi Suyama (NTT DOCOMO), Ichiro Nakagawa, Masanori Ichinose (NTT Communications) AP2019-192
In Japan, 5G System Integrated Verification Trial have been conducted by the Ministry of Internal Affairs and Communicat... [more] AP2019-192
pp.63-68
SR 2019-12-06
10:50
Okinawa Ishigaki City Hall (Ishigaki Island) A Study on Setting of an Energy Detection Threshold with SNR Estimation
Hiroki Iwata, Kenta Umebayashi (TUAT) SR2019-102
Energy detection (ED) is a popular signal detection method for spectrum sensing and spectrum usage
measurement in dynam... [more]
SR2019-102
pp.75-82
SR 2019-05-31
10:00
Tokyo Tokyo Big Sight [Technology Exhibit] Development of Cooperative Spectrum Usage Measurement System Prototype for Smart Spectrum Access
Hiroki Iwata, Kenta Umebayashi (TUAT) SR2019-16
In Smart spectrum access (SSA), it is required to realize high-accurate spectrum usage measurements over the long-term, ... [more] SR2019-16
pp.97-103
SR 2019-01-25
16:40
Fukushima Corasse, Fukushima city (Fukushima prefecture) A study on widely acceptable model for spectrum usage
Kento Yamada, Kenta Umebayashi (TUAT) SR2018-119
We investigate a flexible and scalable spectrum usage model in time domain for an enhanced dynamic spectrum access (DSA)... [more] SR2018-119
pp.141-147
SR 2018-10-30
10:30
Overseas Mandarin Hotel, Bangkok, Thailand [Poster Presentation] Channel Aggregation Adaptation in VHF/UHF
Hoang Vinh Dien, Fumihide Kojima, Kentaro Ishizu, Homare Murakami (NICT) SR2018-65
VHF/UHF channels are freeing up in many part of the world. Compared to conventional Wi-Fi frequencies, VHF/UHF can cover... [more] SR2018-65
pp.15-16
SR 2018-05-25
10:00
Tokyo Tokyo big sight [Technology Exhibit] Performance Evaluation of Dynamic Spectrum Sharing in an Urban Environment
Tatsuya Yoshioka, Nobuo Suzuki (ATR), Masaki Kitsunezuka, Kazuaki Kunihiro (NEC), Shota Yamashita, Koji Yamamoto (Kyoto Univ.), Yuki Koizumi, Toru Hasegawa (Osaka Univ.) SR2018-14
The 5th generation mobile communication systems require more frequency band to achieve various user’s requirements for i... [more] SR2018-14
pp.81-86
RCS, SR, SRW
(Joint)
2018-03-02
10:50
Kanagawa YRP Spectrum usage model for Smart Spectrum Access
Kento Yamada, Kenta Umebayashi (TUAT), Janne Lehtomaki, Shashika Manosha Kapuruhamy Badalge (Univ. of Oulu) SR2017-133
In a smart spectrum access, the statistical information in terms of spectrum usage can enhance a spectrum sharing dramat... [more] SR2017-133
pp.109-116
SR, SRW
(Joint)
2017-10-23
14:00
Overseas Grand Hotel Palatino, Rome, Italy [Poster Presentation] A study on efficiency improvement of spectrum usage by base station sharing among multiple operators
Homare Murakami (NICT/Univ. of Tokyo), Hirokazu Sawada, Kentaro Ishizu, Fumihide Kojima (NICT), Hiroyuki Morikawa (Univ. of Tokyo) SR2017-75 SRW2017-27
In order to accelerate the deployment of micro cell base stations introduced to 5G mobile system, we propose a scheme to... [more] SR2017-75 SRW2017-27
pp.29-30(SR), pp.33-34(SRW)
RCS 2017-10-19
15:05
Miyagi Tohoku Institute of Technology [Invited Lecture] Evaluation of Functions for Dynamic Spectrum Sharing in 5th Generation Mobile Communication Systems
Tatsuya Yoshioka, Hiromi Matsuno, Nobuo Suzuki, Morihiko Tamai (ATR), Masaki Kitsunezuka, Kunihiro Kazuaki (NEC), Shota Yamashita, Koji Yamamoto (Kyoto Univ.), Yuki Koizumi, Toru Hasegawa (Osaka Univ.) RCS2017-181
The 5th generation mobile communication systems require more frequency band to achieve various user’s requirements for i... [more] RCS2017-181
pp.75-80
MBE, NC
(Joint)
2017-03-13
13:35
Tokyo Kikai-Shinko-Kaikan Bldg. An Investigation of the EEG Noise Removal from Measurement Data During the Real Vehicle Driving by Using Morphological Component Analysis
Mayu Ichiki, Balbir Singh, Guangyi Ai (KIT), Hiroaki Wagatsuma (KIT/RIKEN/AIST) NC2016-69
In the accident survey, a commonly reported consequence is the risk of usage of smart devices and cellphones in teen dri... [more] NC2016-69
pp.31-36
RCS, SR, SRW
(Joint)
2017-03-01
13:10
Tokyo Tokyo Institute of Technology A study of base station sharing method among multiple operators considering ratio of utilization
Homare Murakami (NICT/Univ. of Tokyo), Hirokazu Sawada, Kentaro Ishizu, Fumihide Kojima (NICT), Hiroyuki Morikawa (Univ. of Tokyo) SR2016-91
Micro cell base stations introduced to 5G mobile systems cannot provide wide coverage area because of its propagation ch... [more] SR2016-91
pp.1-8
SAT 2014-10-24
14:40
Overseas Hae-un-dae Grand Hotel, Busan, Korea Experimental Evaluation of Sub-spectrum Suppressed Transmission over Ku Band Satellite
Jun Mashino, Jun-ichi Abe, Daisuke Goto, Kouhei Suzaki, Takatoshi Sugiyama (NTT) SAT2014-47
Direct Spectrum Division Transmission (DSDT) and sub-spectrum suppressed transmission are introduced to achieve highly e... [more] SAT2014-47
pp.157-162
SR 2014-01-23
11:15
Miyagi Tohoku Univ. Detection threshold optimization and performance evaluation of a spectrum usage measurement scheme using CDF of received signal power
Yilin Yao, Kenta Sakurai, Masahiro Umehira, Shigeki Takeda (Ibaraki Univ.) SR2013-78
For the purpose of efficient use of frequency spectrum, cognitive radio technologies have been attracting a great deal o... [more] SR2013-78
pp.19-24
RCS, SAT
(Joint)
2013-08-30
09:25
Nagano Shinshu Univ. Experimental Evaluation of Autologous Spectrum Regenerating Equalization for Spectrum Suppressed Transmission
Jun Mashino, Jun-ichi Abe, Takatoshi Sugiyama (NTT) SAT2013-27
Direct spectrum division (DSD) and sub-spectrum suppressed transmission are introduced to achieve highly efficient frequ... [more] SAT2013-27
pp.31-36
SAT, RCS
(Joint)
2012-08-30
14:25
Kochi Kochi City Cultura-Plaza CUL-PORT [Invited Lecture] Autologous Spectrum Regenerating Equalization Scheme using Soft Replica for Reception Performance Improvement of Sub-spectrum Suppressed Transmission on DSD
Jun Mashino, Jun-ichi Abe, Takatoshi Sugiyama (NTT) SAT2012-19 RCS2012-105
Direct spectrum division (DSD) and sub-spectrum suppressed transmission are introduced to achieve highly efficient frequ... [more] SAT2012-19 RCS2012-105
pp.7-12(SAT), pp.55-60(RCS)
SAT, RCS
(Joint)
2012-08-30
16:30
Kochi Kochi City Cultura-Plaza CUL-PORT [Invited Talk] A Perspective on Spectrum Utilization for Future Wireless Networks
Masahiro Umehira (Ibaraki Univ.) SAT2012-23 RCS2012-109
The number of wireless users such as cellular phone and wireless LAN has been dramatically increasing all over the world... [more] SAT2012-23 RCS2012-109
pp.31-36(SAT), pp.79-84(RCS)
SR 2012-01-27
15:30
Kagoshima Kagoshima Coexistence of Secondary User Networks under Primary User Constraints in TV White Space
Chen Sun, Gabriel Porto Villardi, Zhou Lan, Yohannes D. Alemseged, Ha Nguyen Tran, Hiroshi Harada (NICT) SR2011-101
 [more] SR2011-101
pp.139-145
SR, AN, USN
(Joint)
2009-10-22
11:50
Miyagi Tohoku Univ. Development of Spectrum Sensing System with GNU Radio and USRP to Detect Emergency Radios
Md. Abdur Rahman, Santosh Khadka, Iswandi, Mutsawashe Gahadza, Azril Haniz, Minseok Kim, Jun-ichi Takada (Tokyo Inst. of Tech.) SR2009-57
Scarcity of wireless channels leads the researchers to develop opportunistic spectrum usage systems. Spectrum sensing is... [more] SR2009-57
pp.39-44
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