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All Technical Committee Conferences (Searched in: All Years)
| 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 |
| SAT, SANE (Joint) |
2024-02-08 10:50 |
Kagoshima | AmaHome PLAZA (Amami City Shimin Koryu Center) (Primary: On-site, Secondary: Online) |
Basic study of Q/V-band on-board DBF antenna subsystem for LEO constellation Noriharu Suematsu, Tomoyuki Furuichi, Satoshi Tsukamoto (Tohoku Univ.) SAT2023-62 |
For future Japanese Low Earth Orbit (LEO) constellation satellite communication, explore of new frequency band (Q/V-band... [more] | SAT2023-62 pp.18-22 |
| EST, MW, EMT, OPE, MWPTHz, IEE-EMT [detail] | 2023-07-20 09:10 |
Hokkaido | Muroran Institute of Technology (Primary: On-site, Secondary: Online) |
A Basic Architecture Design of Direct Digital RF DBF Transceiver for Q/V-Band On-Board Unit Noriharu Suematsu, Tomoyuki Furuichi, Satoshi Tsukamoto (Tohoku Univ) EMT2023-22 MW2023-40 OPE2023-22 EST2023-22 MWPTHz2023-18 |
This paper describes a transceiver design of Q/V(40/50 GHz)-band DBF antenna for low earth orbit (LEO) constellation on-... [more] | EMT2023-22 MW2023-40 OPE2023-22 EST2023-22 MWPTHz2023-18 pp.71-75 |
| 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 |
| MW | 2022-12-15 15:00 |
Mie | Jingu-Kaikan(Ise) (Primary: On-site, Secondary: Online) |
A Design of Clock Fall Time for 60 GHz-band S/H Circuit using Simple Circuit Model Tomoyuki Furuichi, Mizuki Motoyoshi, Noriharu Suematsu (Tohoku Univ.) MW2022-135 |
The use of millimeter-wave bands such as the 60 GHz band has been attracting attention for broadband and large-capacity ... [more] | MW2022-135 pp.22-26 |
| MW | 2022-03-04 10:00 |
Online | Online | A 60 GHz-band S/H CMOS IC for Direct RF Undersampling Reception Tomoyuki Furuichi, Nagahiro Yoshino, Mizuki Motoyoshi, Suguru Kameda, Noriharu Suematsu (Tohoku Univ.) MW2021-131 |
As the increasing demand for high-speed communication, the use of millimeter-wave such as 60 GHz band has been attractin... [more] | MW2021-131 pp.111-116 |
| 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 |
| MW, AP (Joint) |
2021-09-09 14:50 |
Online | Online | Effect of Jitter Noise on BER in Undersampling of Modulated Waves Hiroyuki Saito, Hiroyuki Arai (Yokohama National Univ.) AP2021-58 |
In this paper, the effect of jitter noise on BER when undersampling modulated signals such as QAM signals is investigate... [more] | AP2021-58 pp.10-13 |
| 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 13:10 |
Online | Online | [Invited Talk]
Evolution and Prospect of Digital RF Transceiver Technologies Noriharu Suematsu, Mizuki Motoyoshi, Suguru Kameda (Tohoku Univ.) RCS2020-243 SR2020-82 SRW2020-72 |
USRP on the market makes SDR technology much popular. Requirements for SDR transceiver are multi-band and multi-mode ope... [more] | RCS2020-243 SR2020-82 SRW2020-72 pp.177-181(RCS), pp.70-74(SR), pp.65-69(SRW) |
| 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 |
| MW | 2019-11-14 13:15 |
Okinawa | Minami Daido Villa. Tamokuteki Koryu Center | An Undersampling Frequency Detection Method Using Phase Difference of Clock Signals and Output Signals of Two S/H circuits Osamu Wada, Hiroyuki Mizutani, Hideyuki Nakamizo, Kazutomi Mori (Mitsubishi Electric) MW2019-101 |
In this paper, an undersampling frequency detection method using phase difference of a clock and an output signal of two... [more] | MW2019-101 pp.7-12 |
| RCS, SR, SRW (Joint) |
2019-03-08 10:55 |
Kanagawa | YRP | [Invited Lecture]
Direct RF Undersampling Receiver for Wireless IoT Real-time Spectrum Monitor using High-speed Clock Switching Tomoyuki Furuichi, Mizuki Motoyoshi, Suguru Kameda, Noriharu Suematsu (Tohoku Univ.) SR2018-139 |
Recently, with the popularization of wireless IoT (Internet of Things), real time frequency sensing technology for multi... [more] | SR2018-139 pp.103-109 |
| 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 | 2018-10-30 13:30 |
Overseas | Mandarin Hotel, Bangkok, Thailand | [Poster Presentation]
Direct RF undersampling receiver for wireless IoT real-time spectrum monitor using high-speed clock switching Tomoyuki Furuichi, Mizuki Motoyoshi, Suguru Kameda, Noriharu Suematsu (Tohoku Univ.) SR2018-68 |
Recently, with the popularization of wireless IoT (Internet of Things), real-time spectrum monitoring technology for wir... [more] | SR2018-68 pp.21-24 |
| SR | 2018-10-31 14:35 |
Overseas | Mandarin Hotel, Bangkok, Thailand | [Invited Talk]
Direct digital RF transceiver technology for high-SHF fully digital Massive MIMO Noriharu Suematsu, Mizuki Motoyoshi, Suguru Kameda (Tohoku Univ.) SR2018-96 |
Digital RF technology has been developed and applied to below 6GHz wireless applications. By replacing IC die consumptiv... [more] | SR2018-96 pp.103-107 |
| SAT, RCS (Joint) |
2018-08-09 17:10 |
Iwate | Iwate University | [Special Talk]
Digital RF Technology for On-Borad Transceivers in Next Generation High Throughput Satellite (HTS) Noriharu Suematsu (Tohoku Univ.) SAT2018-38 RCS2018-141 |
Digital RF technology has been developed and applied to below 6GHz wireless applications. By replacing the IC die consum... [more] | SAT2018-38 RCS2018-141 pp.49-54(SAT), pp.51-56(RCS) |
| MW | 2017-12-19 11:20 |
Tokyo | A study on Frequency Identification of Received RF Signal in Wideband Direct RF Undersampling Frequency Sensor Tomoyuki Furuichi, Mizuki Motoyoshi, Suguru Kameda, Noriharu Suematsu (Tohoku Univ.) MW2017-144 |
Recently, with the popularization of wireless IoT (Internet of Things), real time frequency sensing technology for multi... [more] | MW2017-144 pp.13-18 |
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