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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 207  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
SR 2022-11-08
10:55
Fukuoka Fukuoka University
(Primary: On-site, Secondary: Online)
QZSS Short Message SS-CDMA Communication System -- Evaluation of Satellite Signal Reception Error by Sky View Factor --
Hiroto Kita, Hiroshi Oguma (NIT,Toyama), Suguru Kameda (Hiroshima Univ.), Noriharu Suematsu (Tohoku Univ.)
 [more]
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.)
 [more]
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.)
(To be available after the conference date) [more]
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
MICT, WBS 2022-07-25
15:50
Okayama Okayama Prefectural University [Invited Lecture] Millimeter-Wave Wireless Body Area Network Adaptable to Overcrowded Environments
Suguru Kameda (Hiroshima Univ.), Kohei Akimoto (Akita Pref. Univ.), Noriharu Suematsu (Tohoku Univ.) WBS2022-33 MICT2022-33
In a wireless body area network (WBAN), it is essential to improve the efficiency and simplicity of interference control... [more] WBS2022-33 MICT2022-33
pp.94-98
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
MWPTHz, EST, MW, EMT, OPE, IEE-EMT [detail] 2022-07-19
10:50
Hokkaido Asahikawa Civic Culture Hall
(Primary: On-site, Secondary: Online)
A 20GHz-Band Optical-Fiber-Feed 1-Bit BP-ΔΣ Direct Digital RF Transmitter Using First Image Component of the QSFP28 Module Output
Junhao Zhang, Noriharu Suematsu (Tohoku Univ.) EMT2022-20 MW2022-44 OPE2022-23 EST2022-21 MWPTHz2022-18
 [more] EMT2022-20 MW2022-44 OPE2022-23 EST2022-21 MWPTHz2022-18
pp.66-71
SR 2022-05-12
10:30
Tokyo NICT Koganei
(Primary: On-site, Secondary: Online)
Parallelization and Time Division Multiplexing for 1-bit Bandpass Delta-Sigma Modulator
Takashi Maehata (SEI), Noriharu Suematsu (Tohoku University) SR2022-5
The 1-bit bandpass delta-sigma modulator (1-bit BP-DSM) outputs RF signals directly from the digital part without using ... [more] SR2022-5
pp.19-26
MW, WPT 2022-04-15
14:50
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
Evaluation of Denture Confirmation Management RFID System Using Simple Phantom Model
Yuji Takatera, Eisai Nagahari, Bowen Dang, Mizuki Motoyoshi, Noriharu Suematsu (Tohoku Univ.) WPT2022-9 MW2022-9
In recent years, RFID systems have been widely used in the medical field to ameliorate life of patients. In the field of... [more] WPT2022-9 MW2022-9
pp.30-34
MW 2022-03-04
09:40
Online Online 130 GHz Band CMOS Amplifier with Miniaturized Interstage Circuit by Stacked Radial Stub
Taiki Machii, Mizuki Motoyoshi, Suguru Kameda, Noriharu Suematsu (Tohoku Univ.) MW2021-130
Low-loss matching circuit and inter stage is an important issue since sufficient gain cannot be achieved with over-100 G... [more] MW2021-130
pp.105-110
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
RCS, SR, SRW
(Joint)
2022-03-02
13:55
Online Online [Invited Lecture] Link Design and Received Power Measurement of 5-GHz Band Wi-Fi Backscatter System
Taiki Machii, Koki Edamatsu, Mizuki Motoyoshi, Suguru Kameda, Noriharu Suematsu (Tohoku Univ.) SR2021-94
We have proposed and investigated 5GHz-band wireless-LAN based simple beamforming wireless IoT communication system with... [more] SR2021-94
pp.42-47
SR 2022-01-24
13:30
Online Online [Invited Talk] 10GbE fiber transmission 7.5GHz-band DBF using 1-bit direct digital RF transmitter
Noriharu Suematsu, Ryo Tamura, Mizuki Motoyoshi, Suguru Kameda (Tohoku Univ) SR2021-61
In DBF system, large number of element antennas should have each transceivers. The transceiver can be separated to an ou... [more] SR2021-61
pp.12-16
SR 2022-01-24
17:30
Online Online [Short Paper] Implementation of fractional delay filter for USRP software defined radio
Syun'ya Yoshiyama, Yoji Yamada (NIT), Suguru Kameda (Hiroshima Univ.), Noriharu Suematsu (Tohoku Univ.) SR2021-68
This paper proposes a performance criterion for implementing subsample delay by means of relative delay differences. Con... [more] SR2021-68
pp.43-45
SR 2022-01-24
17:45
Online Online Experimental evaluation of LO synchronization accuracy for USRP/daughter boards applying UHD timed commands
Haruto Nakamura, Yoji Yamada (NIT), Suguru Kameda (Hiroshima Univ.), Noriharu Suematsu (Tohoku Univ.) SR2021-69
Local oscillator (LO) phase synchronization using UHD timed commands has been used as a method to establish phase synchr... [more] SR2021-69
pp.46-53
MW 2021-12-16
15:40
Kanagawa Kawasaki City Industrial Promotion Hall
(Primary: On-site, Secondary: Online)
Series-Series Feedback D-band CMOS Amplifier using a Radial Stub for Source Grounding
Taiki Machii (Tohoku Univ.), Mizuki Motoyoshi (SIST), Suguru Kameda (Hiroshima Univ.), Noriharu Suematsu (Tohoku Univ.) MW2021-93
Positive feedback is effective to improve the gain since sufficient gain cannot be achieved with over-100 GHz CMOS ampli... [more] MW2021-93
pp.49-54
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
MW 2021-11-19
11:50
Kagoshima Kagoshima University
(Primary: On-site, Secondary: Online)
A 130 GHz CMOS Amplifier Using Radial Stubs as AC Grounds in Its Matching Circuit
Taiki Machii (Tohoku Univ.), Mizuki Motoyoshi (SIST), Suguru Kameda (Hiroshima Univ.), Noriharu Suematsu (Tohoku Univ.) MW2021-79
Low-loss matching circuit is an important issue since sufficient gain cannot be achieved with over-100 GHz CMOS amplifie... [more] MW2021-79
pp.69-74
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
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