Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
US |
2019-09-25 13:00 |
Miyagi |
Tohoku Univ. |
Measurement method of water depth on steel plate using Lamb waves Tomonori Kimura (MELCO), Akihiro Sakamoto (RSEC), Issei Suda (TEPCO Power Grid) US2019-49 |
A method to detect water as well as to measure water depth in a metal housing using Lamb waves is shown. Two angle beam ... [more] |
US2019-49 pp.15-18 |
EE, IEE-HCA |
2019-05-16 13:30 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Automatic notch generation and conversion voltage ratio analysis in pulse coding control switching converter Yifei Sun, Minhtri Tran, Yasunori Kobori, Anna Kuwana, Haruo Kobayashi (Gunma Univ) EE2019-7 |
This paper proposes an EMI spread spectrum technology with automatically setting the notch frequency using the pulse cod... [more] |
EE2019-7 pp.35-38 |
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 |
RCS, AP (Joint) |
2018-11-21 11:00 |
Okinawa |
Okinawa Industry Support Center |
Spectrum-Decomposed Parallel Signal Processing for Broadband Nonlinear Compensation Tomoki Abe, Yasushi Yamao (UEC) RCS2018-195 |
A novel wideband digital predistortion (DPD) technique that can relax the requirement for sampling frequency is proposed... [more] |
RCS2018-195 pp.103-108 |
ASN, SRW (Joint) |
2018-11-05 17:10 |
Tokyo |
Tokyo Denki University, Tokyo Senju Campus |
[Invited Talk]
A Multi-Band Real Time Spectrum Monitoring Receiver for 900MHz-6GHz Wireless IoT Noriharu Suematsu, Misuki Motoyoshi, Tomoyuki Furuichi, Suguru Kameda (Tohoku Univ.) ASN2018-71 SRW2018-34 |
In near future wireless IoT era, various and huge number of sensors/devices will be connected to the internet by wireles... [more] |
ASN2018-71 SRW2018-34 pp.97-101(ASN), pp.61-65(SRW) |
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 |
US |
2018-10-04 11:15 |
Miyagi |
|
Comparison between new kt2 extraction method and conventional methods for film/substrate structure
-- Resonant frequency ratio method, conversion loss method, resonant spectrum method, and resonance antiresonance method -- Makoto Totsuka, Takahiko Yanagitani (Waseda Univ.) US2018-52 |
The electromechanical coupling coefficient kt2 is an important parameter for determining the performances of the RF piez... [more] |
US2018-52 pp.19-24 |
SAT, RCS (Joint) |
2018-08-10 09:00 |
Iwate |
Iwate University |
Bit Error Rate Improvement by Using MLD in Spectrum Suppressed Transmission Motoi Shirai, Sumika Omata, Takatoshi Sugiyama (Kogakuin Univ.) SAT2018-39 |
Spectrum suppressed transmission that increases the frequency utilization efficiency (throughput / required bandwidth) b... [more] |
SAT2018-39 pp.55-60 |
EA, ASJ-H, ASJ-AA |
2018-07-24 13:00 |
Hokkaido |
Hokkaido Univ. |
[Poster Presentation]
Denoising Method for Underwater Acoustic Signals by Using Hough Transform Yoshihiro Taira, Takashi Matsubara, Keisuke Iwai, Takakazu Kurokawa (NDA) EA2018-11 |
Underwater acoustic signals are used in various fields such as marine environmental measurement, exploration of sea bott... [more] |
EA2018-11 pp.59-64 |
EA, ASJ-H, ASJ-AA |
2018-07-25 13:40 |
Hokkaido |
Hokkaido Univ. |
Interference-free power spectral representations of periodic sounds and their application to VOCODERs Hideki Kawahara (Wakayama Univ.), Masanori Morise (Univ. Yamanashi), Kanru Hua (Univ. Illinois) EA2018-23 |
We propose a method to calculate the spectral envelope of voiced sounds for VOCODER applications. In our previous techni... [more] |
EA2018-23 pp.135-140 |
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 |
PRMU, SP |
2018-06-29 10:00 |
Nagano |
|
Revisiting interference-free power spectral representations of periodic signals Hideki Kawahara (Wakayama Univ.), Masanori Morise (Univ. Yamanashi), Kanru Hua (Univ. Illinois) PRMU2018-29 SP2018-9 |
We propose two algorithms to calculate interference-free power spectra of periodic signals. This set of algorithms is ou... [more] |
PRMU2018-29 SP2018-9 pp.41-46 |
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 |
MSS, NLP (Joint) |
2018-03-13 13:25 |
Osaka |
|
Investigation on 1/f Fourier power spectrum and nature of the data Tomomichi Nakamura (Univ. of Hyogo), Michael Small (Univ. of Western Australia), Toshihiro Tanizawa (Kochi National College of Tech.) NLP2017-106 |
We describe a problem with periodicity~(frequency) analysis by
the discrete Fourier transform~(DFT).
The DFT is the p... [more] |
NLP2017-106 pp.25-29 |
SANE |
2017-11-23 16:20 |
Overseas |
Malaysia (Borneo Island) |
Removal of Temporally Coherent Radio Frequency Interference in Interferometric Synthetic Aperture Radar Ryo Natsuaki, Akira Hirose (Univ. of Tokyo) SANE2017-72 |
Nowadays, Interferometric Synthetic Aperture Radar (InSAR) is widely used for measuring ground deformation. SAR shares i... [more] |
SANE2017-72 pp.51-55 |
MW |
2017-11-10 13:05 |
Okinawa |
Miyakojima Marin Terminal Bldg. |
Analysis of Influence of RF Switch Parasitic Elements on Reconfigurable BPF Performance Akutsu Naoto, Kada Yuki, Yamao Yasushi (UEC) MW2017-136 |
High-speed and large-capacity mobile communication services are expected in 5th generation mobile communication. For eff... [more] |
MW2017-136 pp.133-138 |
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) |
SR, SRW, RCS (Joint) (2nd) |
2017-10-23 - 2017-10-24 |
Overseas |
Grand Hotel Palatino, Rome, Italy |
[Invited Talk] 5G Experimental Trials on Massive MIMO Technologies Satoshi Suyama, Jun Mashino, Yoshihisa Kishiyama, Yukihiko Okumura (NTT DOCOMO) |
The fifth-generation (5G) mobile communication system has attracted much attention to provide various kinds of mobile se... [more] |
|
WIT, SP |
2017-10-19 13:00 |
Fukuoka |
Tobata Library of Kyutech (Kitakyushu) |
Formant analysis of electro-magnetic noise and its extended analysis Fumihiko Ishiyama (NTT) SP2017-34 WIT2017-30 |
We are investigating countermeasure technique against electro-magnetic noise by using the method based on the linear pre... [more] |
SP2017-34 WIT2017-30 pp.1-6 |
AP, SAT, SANE (Joint) |
2017-07-27 15:25 |
Aichi |
Nagoya Institute of Technology |
[Special Talk]
Lessons Learnt from Development of Satellite Communications
-- Toward International Cooperation and Competitiveness -- Takeshi Mizuike (JMCIA) SAT2017-12 |
Satellite communications have made remarkable progress and application services have been expanding in various areas. S... [more] |
SAT2017-12 pp.31-34 |