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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 229  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
WPT 2024-03-15
15:50
Kyoto Kyoto-Univ. (Uji campus)
(Primary: On-site, Secondary: Online)
Analysis and LED Illumination Using Wi-Fi Tethering for Novel Crossed Dipole Rectenna Array
Tamami Maruyama, Olan Heinen, Noa Ebita, Akari Kamada, Masashi Nakatsugawa (NIT, Hakodate College), Masaya Tamura (Toyohashi University of Technology), Noriharu Suematsu (Tohoku University)
(To be available after the conference date) [more]
RCS, SR, SRW
(Joint)
2024-03-14
10:45
Tokyo The University of Tokyo (Hongo Campus), and online
(Primary: On-site, Secondary: Online)
A Proposal of Millimeter-wave Digital Beam Forming Antenna for Transmit Using Optical Fiber Link with Band-Pass Delta Sigma Modulation
Satoshi Tsukamoto, Tomoyuki Furuichi, Noriharu Suematsu (Tohoku Univ.)
(To be available after the conference date) [more]
MW 2024-02-29
10:55
Okayama Okayama Prefectural University
(Primary: On-site, Secondary: Online)
A Study on Bit Count of Digital Modulation Operation and OSR of 1-bit BP Delta-Sigma Modulation for 40GHz-Band Direct Digital RF Modulator
Kouki Nakamura, Satoshi Tsukamoto, Junhao Zhang, Yuki Fujiya, Tomoyuki Furuichi, Noriharu Suematsu (Tohoku Univ.) MW2023-176
For future Low Earth Orbit (LEO) constellation satellite communication system, a development millimeter-wave digital bea... [more] MW2023-176
pp.9-14
MW 2024-02-29
13:00
Okayama Okayama Prefectural University
(Primary: On-site, Secondary: Online)
Coil Orientation Impact on Efficiency in Double-Sided WPT with Magnetic Field Coupling
Akari Kamada, Tamami Maruyama, Masashi Nakatsugawa, Noa Ebita (NIT, Hakodate College), Masaya Tamura (Toyohashi University of Technology), Noriharu Suematsu (Tohoku University) MW2023-178
The coils used in magnetic field-coupled wireless power transfer (WPT) exhibit a higher absolute coupling coefficient wh... [more] MW2023-178
pp.21-24
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
 [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
SR 2024-01-25
10:30
Nagano Nagano-ken JA building
(Primary: On-site, Secondary: Online)
A Certification of Channel Model Measurement Methods for Local 5G Systems in Communication Environments of Japan and German
Takashi Shiba, Tomoyuki Furuichi (Tohoku Univ.), Gustavo Cainelli, Bodo Gambal (IFAK), Sven Müller, Nils Kranefeld, Giuliano Persico (DEMAG), Lisa Underberg (IFAK), Noriharu Suematsu (Tohoku Univ.) SR2023-69
We have already confirmed our PDP (Power Delay Profile) measurement method without Tx special demodulation for Local 5G ... [more] SR2023-69
pp.1-8
ED, MW 2024-01-26
11:10
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
Temperature Characteristics Measurement and RF Device Modeling of Hydrogen-terminated Diamond FET
Tomoyuki Furuichi, Fumito Karasawa (Tohoku Univ.), Hiroyuki Kawashima, Tomoko Wakai (ODD), Tadashi Masumura (Hokkaido Univ.), Takahiro Yamaguchi (ODD), Junichi H. Kaneko (Hokkaido Univ.), Hitoshi Umezawa (ODD), Noriharu Suematsu (Tohoku Univ.) ED2023-74 MW2023-166
 [more] ED2023-74 MW2023-166
pp.41-46
ED, MW 2024-01-26
11:35
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
Evaluation of detectable range of in-body communication in RFID partial denture management systems.
Yuji Takatera, Tomoyuki Furuichi (Tohoku Univ.), Mizuki Motoyoshi (SIST), Noriharu Suematsu (Tohoku Univ.) ED2023-75 MW2023-167
 [more] ED2023-75 MW2023-167
pp.47-51
AP
(2nd)
2024-01-08
- 2024-01-10
Overseas EPU, Hanoi A Proposal for Millimeter-wave Distributed Antenna System Using Optical Fiber Link with 2-bit Band-pass Delta Sigma Modulation
Satoshi Tsukamoto, Tomoyuki Furuichi, Noriharu Suematsu (Tohoku Univ.)
In order to reduce the cost and size of the radio unit in the millimeter wave distributed antenna system for 5G terrestr... [more]
WPT 2023-11-10
11:25
Tokyo Hachijomachi-Shokokai
(Primary: On-site, Secondary: Online)
Novel compact rectenna array by integrating power-receiving and waveguide elements with loaded inductor
Tamami Maruyama, Noa Ebita, Akari Kamada, Hiroto Ishiguro, Masashi Nakatsugawa (NIT, Hakodate College), Masaya Tamura (Toyohashi University of Technology), Noriharu Suematsu (Tohoku University) WPT2023-25
When arranging an array of half-wavelength dipole antenna-type rectennas, it has been reported that each element not onl... [more] WPT2023-25
pp.12-16
AP 2023-10-20
09:55
Iwate Iwate University
(Primary: On-site, Secondary: Online)
Impedance Loaded Rectenna Array
Tamami Maruyama, Hiroto Ichiguro, Noa Ebita, Akari Kamada, Koyo Hatazawa, Masashi Nakatsugawa (NIT, Hakodate College), Masaya Tamura (Toyohashi University of Technology), Noriharu Suematsu (Tohoku University) AP2023-121
Half-wavelength dipole-type rectennas can be miniaturized through impedance loading. Conversely, when these half-wavelen... [more] AP2023-121
pp.123-126
MW, EMCJ, EST, IEE-EMC [detail] 2023-10-20
09:00
Yamagata Yamagata University
(Primary: On-site, Secondary: Online)
Design of Required Bit Count and 1 1-bit BP Delta Delta-Sigma Modulation OSR for 40 -GHz Band DBF Direct Digital RF Transmitter
Kouki Nakamura, Satoshi Tsukamoto, Junhao Zhang, Tomoyuki Furuichi, Noriharu Suematsu (Tohoku Univ.) EMCJ2023-56 MW2023-110 EST2023-83
For future Low Earth Orbit (LEO) constellation satellite communication system, a development millimeter-wave digital bea... [more] EMCJ2023-56 MW2023-110 EST2023-83
pp.107-112
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
EST, MW, EMT, OPE, MWPTHz, IEE-EMT [detail] 2023-07-20
13:50
Hokkaido Muroran Institute of Technology
(Primary: On-site, Secondary: Online)
A study on shadowing caused by a metallic object placed near LCX antenna of 920MHz-band RFID system
Eisai Nagahari, Tomoyuki Furuichi, Takashi Shiba, Noriharu Suematsu (Tohoku Univ.) EMT2023-30 MW2023-48 OPE2023-30 EST2023-30 MWPTHz2023-26
Wireless Internet of Things (IoT) in the factory is progressing, and it is necessary to cover long, linear wireless comm... [more] EMT2023-30 MW2023-48 OPE2023-30 EST2023-30 MWPTHz2023-26
pp.115-119
SeMI, RCS, RCC, NS, SR
(Joint)
2023-07-12
12:40
Osaka Osaka University Nakanoshima Center + Online
(Primary: On-site, Secondary: Online)
Novel digital-to-analog converter immune to asymmetric transition waveform distortion in bandpass delta-sigma modulators
Takashi Maehata (SEI), Mizuki Motoyoshi (Shizuoka Institute of Science and Technology), Noriharu Suematsu (Tohoku University) SR2023-26
In 5G and next-generation mobile communication systems, to achieve High-speed communication, massive multiple-input and ... [more] SR2023-26
pp.1-6
MW 2023-03-02
11:05
Tottori Tottori Univ.
(Primary: On-site, Secondary: Online)
A 5 GHz-Band 2×2 Reflection Type Retrodirective Array with Stacked Stripline Phase Conjugate Circuit
Yusaku Honma, Jean Temga, Tomoyuki Furuichi, Takashi Shiba, Noriharu Suematsu (Tohoku Univ.) MW2022-160
 [more] MW2022-160
pp.19-24
MW 2023-03-02
13:50
Tottori Tottori Univ.
(Primary: On-site, Secondary: Online)
Scalable transmission line modeling for over 100 GHz CMOS amplifier
Takumi Aoki, Tomoyuki Furuichi (Tohoku Univ.), Mizuki Motoshi (SIST), Noriharu Suematsu (Tohoku Univ.) MW2022-164
It is very important to accurately model the transmission lines used in matching circuits when designing circuits using ... [more] MW2022-164
pp.42-47
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
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