Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
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 |
SR |
2016-10-28 16:10 |
Osaka |
Osaka Univ. Nakanoshima Center |
[Invited Talk]
Research and Development of Digital Radio Frequency Technology Takashi Maehata (SEI), Mizuki Motoyoshi, Suguru Kameda, Noriharu Suematsu (Tohoku Uni.) SR2016-77 |
We propose the digital RF front end to consist of 1-bit digital RF transmitter and direct RF undersampling receiver. Thi... [more] |
SR2016-77 pp.127-134 |
MW (2nd) |
2016-06-09 - 2016-06-11 |
Overseas |
KMUTNB, Bangkok, Thailand |
[Invited Talk]
Direct RF Undersampling Receiver for High-SHF Applications Noriharu Suematsu, K. Norishima, T. Koizumi, T. Owada, Mizuki Motoyoshi, Suguru Kameda (Tohoku Univ.) |
In this paper, basic design of direct RF undersampling receiver for high Super High Frequency (SHF) applications is pres... [more] |
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