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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 23  /  [Next]  
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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