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All Technical Committee Conferences (All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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] | |
| ICD, MW | 2016-03-03 15:30 |
Hiroshima | Hiroshima University | Direct RF Undersampling Receiver for High SHF Band Digital Beam Forming System Noriharu Suematsu, Suguru Kameda, Mizuki Motoyoshi (Tohoku Univ.) MW2015-198 ICD2015-121 |
In this paper, we proposes the usage of direct RF undersampling receiver for digital beam forming system in high-SHF (ov... [more] | MW2015-198 ICD2015-121 pp.141-145 |
| CS, CAS, SIP | 2014-03-07 14:50 |
Osaka | Osaka City University Media Center | Effects of Sampling Clock Frequency Offset on Cyclostationarity Detection Based Spectrum Sensing in Undersampling Receiver Daiki Cho, Shusuke Narieda (ANCT) CAS2013-132 SIP2013-178 CS2013-145 |
This paper discusses the effects of a sampling clock frequency offset (SCO) and clock jitter on the performance of spect... [more] | CAS2013-132 SIP2013-178 CS2013-145 pp.245-250 |
| MI | 2012-07-20 11:00 |
Yamagata | Yamagata Univ. | Preliminary study for undersampling non-lesion voxel in training of voxel-based classification for lesion detection Yukihiro Nomura, Mitsutaka Nemoto, Yoshitaka Masutani, Shouhei Hanaoka, Soichiro Miki, Takeharu Yoshikawa, Naoto Hayashi, Kuni Ohtomo (The Univ. of Tokyo) MI2012-32 |
In voxel-based classification for lesion detection, training of a classifier is time-consuming since the number of train... [more] | MI2012-32 pp.59-64 |
| SR | 2007-11-27 09:50 |
Hiroshima | Hirishima international univ. | Sampling Frequency Selection Scheme based on System-Clock in Multi-signal Reception Simultaneously Kazuki Kimura (Chuo Univ.), Toru Kitayabu, Toshiyuki Maeyama (KDDI Lab.), Hiroshi Shirai (Chuo Univ.) SR2007-50 |
In software defined radio systems, it is desirable to set the ADC nearer the antenna part in receiver block diagrams. Th... [more] | SR2007-50 pp.27-34 |
| RCS, MoNA, WBS, SR, MW (Joint) |
2007-03-08 14:20 |
Kanagawa | YRP | Multi-signal Detection Technique using Interference Canceller in Undersampling Systems Kazuhiro Yamasaki, Hisato Iwai, Hideichi Sasaoka (Doshisha Univ) SR2006-88 |
Software Defined Radio (SDR) technology has attracted attention because of its great flexibility as a multi-mode radio t... [more] | SR2006-88 pp.49-56 |
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