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All Technical Committee Conferences  (All Years)

Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 122  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
SRW 2019-06-10
11:15
Kanagawa Anritsu Study of Spurious Measurement System Using 300 GHz Band Spectrum Analyzer with Pre-selector
Yuji Sekine, Masanori Takizawa, Shigenori Mattori, Hanako Noda (Anritsu)
In recent years, mobile traffic has increased dramatically therefore expectations for wireless communication systems in ... [more] SRW2019-6
pp.29-34
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)
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] Development of Cooperative Spectrum Usage Measurement System Prototype for Smart Spectrum Access
Hiroki Iwata, Kenta Umebayashi (TUAT)
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 2019-05-31
10:00
Tokyo Tokyo Big Sight [Technology Exhibit] Highly Accurate Prediction of Radio Environment for V2V Communication Systems
Keita Katagiri, Takeo Fujii (UEC)
An accurate estimation of radio propagation considering the geographical conditions is needed for realizing reliable veh... [more] SR2019-18
pp.107-112
OFT 2019-05-16
14:00
Osaka I-site NANBA [Poster Presentation] Expansion of circumferential strain measurement of ring structures by Brillouin gain spectrum model fitting into general ring-shaped structures
Shota Kitamura, Shusuke Narieda, Hiroshi Naruse (Mie Univ)
A method has been proposed for measuring circumferential strain in ring structures by fitting a model of the Brillouin g... [more] OFT2019-3
pp.11-16
ITS, IE, ITE-MMS, ITE-HI, ITE-ME, ITE-AIT [detail] 2019-02-19
10:30
Hokkaido Hokkaido Univ. A Prototype Visible Light V2V Communication and Ranging System Using Spread Spectrum Techniques (3rd Report)
Akira John Suzuki, Masahiro Yamamoto, Kiyoshi Mizui (KGU)
In this report, we experimentally demonstrate a visible light boomerang prototype and verify the feasibility of simultan... [more] ITS2018-63 IE2018-84
pp.49-54
OFT, OCS, OPE
(Joint) [detail]
2019-02-15
14:00
Fukuoka   Measurement of Ring Circumferential Strain with Actually Observed Brillouin Gain Spectra
Kento Nishimura, Shusuke Narieda, Hiroshi Naruse (Mie Univ.)
A ring circumferential strain measurement method using a model of Brillouin gain spectrum (BGS) has been proposed. In th... [more] OFT2018-80 OPE2018-209
pp.53-56(OFT), pp.85-88(OPE)
OFT, OCS, OPE
(Joint) [detail]
2019-02-15
14:25
Fukuoka   Maximum and Minimum strain extraction from BGS observations including noise and optical loss using nonnegative matrix factorization
Takuya Fujimoto, Hiroshi Naruse (Mie Univ.), Takanori Nishino (Meijo Univ.)
We have proposed a method for extracting the maximum and minimum strains produced in a Brillouin gain spectrum (BGS) obs... [more] OFT2018-81 OPE2018-210
pp.57-62(OFT), pp.89-94(OPE)
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)
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)
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 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)
A Measurement-based Spectrum Database (MSD) attracts attention as highly accurate radio environment recognition. It is i... [more] SR2018-116
pp.123-128
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)
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
SANE 2018-11-09
09:30
Overseas China (Xuchang) Evaluation of Aircraft Electromagnetic Field Propagation Characteristics at 4 GHz Wireless Avionics Intra-Communication Band -- Numerical Analysis Based on Airbus A320-200 model and Field Measurement Using Beechcraft B300 aircraft --
Shunichi Futatsumori, Norihiko Miyazaki (ENRI), Tetsuya Sekiguchi, Takashi Hikage, Toshio Nojima (Hokkaido Univ.)
This report discusses fundamental evaluations of aircraft electromagnetic field (EMF) propagation characteristics at 4 G... [more] SANE2018-83
pp.137-140
SR 2018-10-30
13:30
Overseas Mandarin Hotel, Bangkok, Thailand [Poster Presentation] Learning-based Radio Environment Mapping
Mina Akimoto, Xiaoyan Wang, Masahiro Umehira (Ibaraki Univ.)
Accurate and cost-efficient radio environment mapping (REM) is of great importance to realize dynamic spectrum sharing. ... [more] SR2018-66
pp.17-18
SR, RCS
(Joint)
(2nd)
2018-10-30
13:30
Overseas Mandarin Hotel, Bangkok, Thailand [Poster Presentation] Adaptive Threshold Setting for Determining Spectrum Occupancy in TV White Space in Thailand
Bipun Man Pati, Attaphongse Taparugssanagorn, Nisarat Tunsakul, Adisorn Lertsinsrubtavee (AIT)
Threshold setting is a challenging task in spectrum sensing. Adaptive threshold setting outperforms the performance of f... [more]
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)
In order to realize reliable Vehicle-to-Vehicle (V2V) communication systems for autonomous driving, the recognition of r... [more] SR2018-76
pp.39-40
SR 2018-10-31
10:25
Overseas Mandarin Hotel, Bangkok, Thailand [Poster Presentation] Spatial Spectrum Sharing among Micro Operators considering Distribution on Measurement-based Spectrum Database
Hirofumi Nakajo, Yuya Aoki, Keita Katagiri, Takeo Fujii (UEC)
This paper proposes probabilistic protection of micro cells using measurement-based spectrum database. In the 5th genera... [more] SR2018-78
pp.45-46
SR 2018-10-31
13:25
Overseas Mandarin Hotel, Bangkok, Thailand [Poster Presentation] Neural Network-based Channel Occupancy Rate Prediction
Hiroki Iwata, Kenta Umebayashi (TUAT), Ahmed Al-Tahmeesschi, Miguel Lopez-Benitez (UoL)
A spectrum occupancy prediction can provide useful information to spectrum sharing-based wireless networks. In this pape... [more] SR2018-88
pp.75-82
OFT 2018-10-11
16:00
Miyagi Touhoku Univ. [Poster Presentation] Effect of distributed load on BGS-based ring circumferential strain measurement
Kento Nishimura, Shusuke Narieda, Hiroshi Naruse (Mie Univ.)
We have proposed a method for measuring a ring circumferential strain. In this method, the model of a Brillouin gain spe... [more] OFT2018-47
pp.153-156
OFT 2018-10-11
16:00
Miyagi Touhoku Univ. [Poster Presentation] Maximum and Minimum strain extraction from Brillouin gain spectrum using nonnegative matrix factorization
Takuya Fujimoto, Hiroshi Naruse (Mie Univ.), Takanori Nishino (Meijo Univ.)
A fiber optic strain measurement based on the Brillouin scattering phenomenon enables a distributed strain measurement a... [more] OFT2018-48
pp.157-161
 Results 1 - 20 of 122  /  [Next]  
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