Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
MW |
2024-02-29 13:50 |
Okayama |
Okayama Prefectural University (Primary: On-site, Secondary: Online) |
Observation of WPT spectrum at 2.4 GHz band and 5 GHz band Takashi Shiba, Tomoyuki Furuichi, Noriharu Suematsu (Tohoku Univ.) MW2023-180 |
Usecase of Wireless Power Transfer (WPT) system becomes wider because of its convenience. 920MHz, 2.4GHz, 5GHz bands are... [more] |
MW2023-180 pp.31-36 |
SR |
2024-01-25 10:30 |
Nagano |
Nagano-ken JA building (Primary: On-site, Secondary: Online) |
A Certification of Channel Model Measurement Methods for Local 5G Systems in Communication Environments of Japan and German Takashi Shiba, Tomoyuki Furuichi (Tohoku Univ.), Gustavo Cainelli, Bodo Gambal (IFAK), Sven Müller, Nils Kranefeld, Giuliano Persico (DEMAG), Lisa Underberg (IFAK), Noriharu Suematsu (Tohoku Univ.) SR2023-69 |
We have already confirmed our PDP (Power Delay Profile) measurement method without Tx special demodulation for Local 5G ... [more] |
SR2023-69 pp.1-8 |
EST, MW, EMT, OPE, MWPTHz, IEE-EMT [detail] |
2023-07-20 13:50 |
Hokkaido |
Muroran Institute of Technology (Primary: On-site, Secondary: Online) |
A study on shadowing caused by a metallic object placed near LCX antenna of 920MHz-band RFID system Eisai Nagahari, Tomoyuki Furuichi, Takashi Shiba, Noriharu Suematsu (Tohoku Univ.) EMT2023-30 MW2023-48 OPE2023-30 EST2023-30 MWPTHz2023-26 |
Wireless Internet of Things (IoT) in the factory is progressing, and it is necessary to cover long, linear wireless comm... [more] |
EMT2023-30 MW2023-48 OPE2023-30 EST2023-30 MWPTHz2023-26 pp.115-119 |
MW |
2023-03-02 11:05 |
Tottori |
Tottori Univ. (Primary: On-site, Secondary: Online) |
A 5 GHz-Band 2×2 Reflection Type Retrodirective Array with Stacked Stripline Phase Conjugate Circuit Yusaku Honma, Jean Temga, Tomoyuki Furuichi, Takashi Shiba, Noriharu Suematsu (Tohoku Univ.) MW2022-160 |
[more] |
MW2022-160 pp.19-24 |
MW |
2023-03-03 13:00 |
Tottori |
Tottori Univ. (Primary: On-site, Secondary: Online) |
A Radio Wave Environment Measurement in Dense Environment using Real-Time Wideband Spectrum Monitor Tomoyuki Furuichi, Takashi Shiba (Tohoku Univ.), Youhei Kubota, Ryo Koike, Kouhei Hanzawa (TMEJ), Noriharu Suematsu (Tohoku Univ.) MW2022-175 |
In an environment where multiple different wireless systems, such as wireless IoT, coexist in a narrow space such as a f... [more] |
MW2022-175 pp.103-107 |
MW, ED |
2023-01-27 09:35 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
A Calibration method for RF Spectrum Regeneration Using Direct RF Undersampling at Different Sampling Frequency Multi-path Takashi Shiba, Tomoyuki Furuichi, Noriharu Suematsu (Tohoku Univ.) ED2022-86 MW2022-145 |
A direct RF undersampling method is an important technique for simple circuits and devices because sampling frequency of... [more] |
ED2022-86 MW2022-145 pp.1-6 |
SR, UWT (Joint) |
2023-01-27 10:30 |
Tokyo |
Takanawa Campus, Tokai Univ. (Primary: On-site, Secondary: Online) |
A Practical Number of Sampling Points for RF Spectrum Regeneration Method Using Direct RF Undersampling Takashi Shiba, Tomoyuki Furuichi, Noriharu Suematsu (Tohoku Univ.) SR2022-75 |
A Direct RF undersampling method is an important technique for simple circuits and devices because sampling frequency of... [more] |
SR2022-75 pp.12-19 |
SR |
2022-11-08 14:00 |
Fukuoka |
Fukuoka University (Primary: On-site, Secondary: Online) |
[Technology Exhibit]
5 GHz-Band Simplified Beam Forming Wireless IoT Communication Using Wi-Fi Backscatter Tomoyuki Furuichi, Koki Edamatsu, Jean Temga, Mizuki Motoyoshi, Suguru Kameda, Takashi Shiba, Noriharu Suematsu (Tohoku Univ.) SR2022-63 |
Society5.0 and Industry4.0 advocate the application of wireless Internet of Things (IoT) technology to realize smart fac... [more] |
SR2022-63 pp.97-100 |
EMCJ, MW, EST, IEE-EMC [detail] |
2022-10-14 11:15 |
Akita |
Akita University (Primary: On-site, Secondary: Online) |
A Study on Communication Range in Wi-Fi Backscatter Receiver for Detecting Sensor Node using Single-Carrier Modulation Signal Yuki Fujiya, Takashi Shiba, Noriharu Suematsu (Tohoku Univ.) EMCJ2022-56 MW2022-102 EST2022-66 |
In order to realize smart factory which is appeared in the concepts of Society 5.0 and Industry 4.0, wireless Internet o... [more] |
EMCJ2022-56 MW2022-102 EST2022-66 pp.108-112 |
AP, MW (Joint) |
2022-09-16 13:50 |
Ehime |
The Museum of Art, EHIME (Primary: On-site, Secondary: Online) |
Self-Mixing Noise Reduction Effect by Transmitted Signal Canceller in Wi-Fi Backscatter Receiver for Detecting Sensor Node Yuki Fujiya, Koki Edamatsu, Takashi Shiba, Noriharu Suematsu (Tohoku Univ.) MW2022-78 |
In order to realize smart factory which is appeared in the concepts of Society 5.0 and Industry 4.0, wireless Internet o... [more] |
MW2022-78 pp.52-56 |
MWPTHz, EST, MW, EMT, OPE, IEE-EMT [detail] |
2022-07-19 10:10 |
Hokkaido |
Asahikawa Civic Culture Hall (Primary: On-site, Secondary: Online) |
A 5.2GHz-Band Reflection-Type Retrodirective Array Using Butler Matrix with Broadside Couplers Yusaku Honma, Jean Temga, Tomoyuki Furuichi, Takashi Shiba, Noriharu Suematsu (Tohoku Univ.) EMT2022-19 MW2022-43 OPE2022-22 EST2022-20 MWPTHz2022-17 |
In backscatter system, increasing the gain of the tag antennas is an important task for extending the communication rang... [more] |
EMT2022-19 MW2022-43 OPE2022-22 EST2022-20 MWPTHz2022-17 pp.62-65 |
MW |
2021-11-19 11:00 |
Kagoshima |
Kagoshima University (Primary: On-site, Secondary: Online) |
A proposal of signal processing method for sidelobe suppression of Wi-Fi backscatter received signal Takashi Shiba, Yuki Fujiya, Noriharu Suematsu (Tohoku Univ.) MW2021-77 |
Smart factory by using wireless Internet of Things (IoT) is expected for Society 5.0 or Industry 4.0 area. It is difficu... [more] |
MW2021-77 pp.58-63 |
MW |
2021-11-19 11:25 |
Kagoshima |
Kagoshima University (Primary: On-site, Secondary: Online) |
A Study of Transmit Wi-Fi Signal's Modulation Scheme in Wi-Fi Backscatter Communication System
-- Difference between Single-Carrier and Multi-Carrier Modulations -- Yuki Fujiya, Takashi Shiba, Noriharu Suematsu (Tohoku Univ.) MW2021-78 |
In the era of Society 5.0 or Industry 4.0, wireless Internet of Things (IoT) becomes a key technology for the realizatio... [more] |
MW2021-78 pp.64-68 |
SR |
2021-11-04 09:30 |
Online |
Online |
Direct RF undersampling method without anti-aliasing top filter Takashi Shiba (Tohoku Univ.), Suguru Kameda (Hiroshima Univ.), Noriharu Suematsu (Tohoku Univ.) SR2021-41 |
Direct RF undersampling method is important technique for digital circuit and digital devices because sampling frequency... [more] |
SR2021-41 pp.1-8 |
SR |
2021-05-21 14:00 |
Online |
Online |
[Technology Exhibit]
Wireless IoT Real Time Spectrum Monitor Based on Direct RF Undersampling Reception Technique Noriharu Suematsu, Tomoyuki Furuichi, Mizuki Motoyoshi, Suguru Kameda, Takashi Shiba (Tohoku Univ.) SR2021-19 |
In near future wireless IoT era, various and huge number of sensors/devices will be connected to the internet by wireles... [more] |
SR2021-19 pp.128-131 |
RCS, SR, SRW (Joint) |
2021-03-04 09:25 |
Online |
Online |
Fundamental Investigation of Multiple Access Method for 5-GHz Band Simplified Beam Forming Wireless IoT Communication Using Wi-Fi Backscatter Suguru Kameda, Koki Edamatsu, Mizuki Motoyoshi, Takashi Shiba, Noriharu Suematsu (Tohoku Univ.) SR2020-68 |
In order to realize smart factory which is appeared in the concepts of Society 5.0 and Industry 4.0, wireless Internet o... [more] |
SR2020-68 pp.29-34 |
SR |
2021-01-26 14:20 |
Online |
Online |
[Invited Talk]
Frequency Spectrum and Node Sensing Techniques for Wireless IoT Takashi Shiba, Tomoyuki Furuichi, Mizuki Motoyoshi, Suguru Kameda, Noriharu Suematsu (Tohoku Univ.) SR2020-59 |
It becomes a problem of low communication speed at narrow space with several wireless communication for example of wirel... [more] |
SR2020-59 pp.73-80 |
IT, SIP, RCS |
2020-01-24 14:50 |
Hiroshima |
Hiroshima City Youth Center |
A Proposal of Broad Band Spectrum Estimation Method from Several Clock Undersampling Information by Compressed Sensing Algorithm. Takashi Shiba, Tomoyuki Furuichi, Mizuki Motoyoshi, Suguru Kameda, Noriharu Suematsu (Tohoku Univ.) IT2019-81 SIP2019-94 RCS2019-311 |
[more] |
IT2019-81 SIP2019-94 RCS2019-311 pp.267-272 |
WBS, SAT (Joint) |
2019-05-16 09:25 |
Aichi |
MEIJO University (Tempaku campus) |
Foreign Object Debris Detection based on Stepped Multiple Frequency CPC Takayuki Inaba, Manabu Akita, Takashi shiba (UEC) WBS2019-7 |
Foreign Object Debris (FOD) on the airport runway are possible to be serious risk for aircrafts. Detection system by usi... [more] |
WBS2019-7 pp.35-40 |
ITS, WBS, RCC |
2017-12-15 14:20 |
Okinawa |
Tiruru/Okinawa Jichikaikan |
Same Range Target Detection with Large RCS Difference by Signal Descending Order Subtraction Target Detection Method for Multiple Frequency Random Stepped CPC Radar Takashi Shiba, Daisuke Hirose, Yuya Ota, Manabu Akita, Takayuki Inaba (UEC) WBS2017-76 ITS2017-53 RCC2017-92 |
Random step frequency had been already studied to enlarge maximum detection velocity for multiple frequency stepped rada... [more] |
WBS2017-76 ITS2017-53 RCC2017-92 pp.233-238 |