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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SAT, RCS (Joint) |
2024-08-29 10:05 |
Kochi | CUL-PORT(Kochi City) (Temporary) (Primary: On-site, Secondary: Online) |
1-bit DAC for Image Enhancement of Q-band Direct Digital RF Transmitter Yuki Fujiya, Koki Furuuchi, Junhao Zhang, Tomoyuki Furuichi, Satoshi Tsukamoto, Noriharu Suematsu (Tohoku Univ.)  SAT2024-34 |
A Q-band direct digital RF transmitter have proposed for the realization of future Japanese Low Earth Orbit (LEO) conste... [more] | SAT2024-34 pp.10-15 |
| AP, SANE, SAT (Joint) |
2024-07-25 09:50 |
Hokkaido | Frontier Research in Applied Sciences Building, Hokkaido University (Primary: On-site, Secondary: Online) |
DSP basic design of direct digital RF transmitter for a LEO satellite Q-band DBF antenna Noriharu Suematsu, Kouki Nakamura, Junhao Zhang, Yuki Fujiya, Tomoyuki Furuichi, Satoshi Tsukamoto (Tohoku Univ.) SAT2024-18 |
A digital signal processor (DSP) basic design of direct digital RF transmitter with 100GbE optical fiber link is carried... [more] | SAT2024-18 pp.20-24 |
| 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 Using Optical Fiber Link with Band-Pass Delta Sigma Modulation Satoshi Tsukamoto, Tomoyuki Furuichi, Noriharu Suematsu (Tohoku Univ.) SR2023-98 |
In order to reduce the size and cost of millimeter-wave distributed antenna systems for 5G terrestrial networks and sat-... [more] | SR2023-98 pp.52-56 |
| MW | 2024-02-29 10:55 |
Okayama | Okayama Prefectural University (Primary: On-site, Secondary: Online) |
A Study of Digital Modulation Computation Bit Count and 1- bit BP Delta Delta-Sigma Modulation OSR for 40 -GHz Band Direct Digital RF ModulatoModulator 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 |
| 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 |
| 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] | |
| 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 |
| WPT | 2020-06-11 13:30 |
Online | Online | Frequency Swept Matching Network to Exhibit a Spiral Locus on the Smith Chart: Design Theory Asako Suzuki (Nagoya Univ.), Satoshi Tsukamoto, Takashi Ohira (TUT) WPT2020-12 |
This paper proposes a passive network that exhibits a spiral impedance trajectory in frequency response. One loose-coupl... [more] | WPT2020-12 pp.7-10 |
| WPT (2nd) |
2019-10-31 - 2019-11-02 |
Overseas | Xidian University | Minimum Size Design of Capacitive Coupler for Wireless Power Transfer to Achieve Specified Power Efficiency Hikaru Kitaoka, Shinji Abe, Satoshi Tsukamoto, Takashi Ohira (Toyohashi Univ. Tech.) |
We are interested in minimum size design of capacitive coupler for wireless power transfer. There is a trade-off between... [more] | |
| WPT, EE (Joint) |
2019-10-09 14:10 |
Shiga | Ryukoku Extension Center, Ryukoku University | Maximum Power Efficiency of Matching Circuits Formulated from TX-RX Symmetric Shape Electric and Magnetic Coupler Size for Wireless Power Transfer Hikaru Kitaoka, Shinji Abe, Satoshi Tsukamoto, Takashi Ohira (Toyohashi Univ. Tech.) WPT2019-33 |
We are interested in minimum size design of capacitive coupler for wireless power transfer. When we reduce the size of t... [more] | WPT2019-33 pp.37-42 |
| MW, ICD | 2019-03-14 11:20 |
Okinawa | High power microwave impedance real-time measurement system Asako Suzuki (Adamant Namiki), Kaiji Nakahara, Motoaki Miyazaki, Naoki Ejima, Naoki Sakai, Satoshi Tsukamoto, Takashi Ohira (Toyohashi Univ. Tech.) MW2018-159 ICD2018-103 |
We propose a compact RF high power real-time reflection coefficient measurement system. This system consists of four par... [more] | MW2018-159 ICD2018-103 pp.19-22 |
|
| MW, ICD | 2019-03-14 14:50 |
Okinawa | A tunable impedance transformer that draws a spiral locus on the Smith chart by frequency sweep Asako Suzuki (Adamant Namiki), Motoaki Miyazaki, Naoki Sakai (Toyohashi Univ. Tech.), Toshio Ishizaki (Ryukoku Univ.), Satoshi Tsukamoto, Takashi Ohira (Toyohashi Univ. Tech.) MW2018-164 ICD2018-108 |
We propose a tunable impedance transformer that draws a spiral locus on the Smith chart by frequency sweep and an automa... [more] | MW2018-164 ICD2018-108 pp.43-48 |
|
| AP, WPT (Joint) |
2018-01-18 16:00 |
Nara | ATR | [Tutorial Lecture]
Key Points for Wireless Power Transfer System Design Satoshi Tsukamoto (TUT) AP2017-159 WPT2017-62 |
Wireless power transfer is highlighted as non-contact charging for electric vehicles. In the high-power circuit, not onl... [more] | AP2017-159 WPT2017-62 pp.47-52(AP), pp.35-40(WPT) |
| IT, SIP, RCS | 2017-01-20 10:50 |
Osaka | Osaka City Univ. | Throughput Measurement Configuration of 2-by-2 LCX-MIMO System over Real Indoor Environment Hao Zhang, Zeyu Zhu, Yafei Hou (NAIST), Satoshi Tsukamoto (ATR), Takeshi Higashino, Minoru Okada (NAIST), Tomoaki Kumagai (ATR) IT2016-84 SIP2016-122 RCS2016-274 |
Leaky coaxial (LCX) cable is utilized in wireless communication systems as an antenna especially for long and narrow are... [more] | IT2016-84 SIP2016-122 RCS2016-274 pp.223-226 |
| RCS, RCC, ASN, NS, SR (Joint) |
2016-07-21 14:10 |
Aichi | Performance Evaluation of Self-Calibration Scheme Using Near-Field Propagation Model Naoto Egashira (ATR), Yasuharu Amezawa (MTC), Kazuto Yano, Satoshi Tsukamoto, Tomoaki Kumagai (ATR) RCS2016-121 |
[more] | RCS2016-121 pp.139-144 |
|
| AP | 2016-03-11 11:25 |
Yamanashi | Isawa Onsen (Kanpo no Yado) | Experimental Study on Linear Array Switched Antenna for WiMAX Julian Webber, Satoshi Tsukamoto, Takahiro Maeda, Tomoaki Kumagai (ATR), Shinichiro Yamamoto, Satoru Aikawa (Hyogo Univ.) AP2015-220 |
The communication channel between a base-station transmitter and train mounted receiver suffers from rapid and deep fadi... [more] | AP2015-220 pp.91-95 |
| RCS, CCS, SR, SRW (Joint) |
2016-03-02 13:40 |
Tokyo | Tokyo Institute of Technology | Autonomous establishment of multi-hop sensor network using wireless LAN and bluetooth and priority control considering property of information Kazuto Yano, Satoshi Tsukamoto, Julian Webber, Tomoaki Kumagai (ATR), Yafei Hou, Manato Fujimoto, Hirohiko Suwa, Yutaka Arakawa (NAIST), Michinori Hatayama (Kyoto Univ.) RCS2015-341 |
For prevention of a secondary disaster after a large sediment disaster, the authors are developing a slope failure detec... [more] | RCS2015-341 pp.49-54 |
| AP (2nd) |
2016-02-29 14:20 |
Overseas | Telecommunications University, Nha Trang, Vietnam | A Proposal of Wireless Sensor Network System for Slope Failure Detection Using Smartphones Yafei Hou, Manato Fujimoto, Hirohiko Suwa, Yutaka Arakawa (NAIST), Julian Webber, Kazuto Yano, Satoshi Tsukamoto, Tomoaki Kumagai (ATR), Michinori Hatayama (Kyoto University) |
Due to frequency occurrence of Typhon and heavy rain and the increase of the landslide disaster, using wireless networks... [more] | |
| AP | 2015-02-20 13:30 |
Hyogo | Chusho-kigyou center at Amagasaki-City | [Invited Lecture]
Sequentially Switched Antenna Array Receiver for OFDM systems Julian Webber, Satoshi Tsukamoto, Takahiro Maeda, Masayuki Ariyoshi, Tomoaki Kumagai (ATR), Shinichiro Yamamoto, Satoru Aikawa (Univ. of Hyogo) AP2014-205 |
In order to improve the communication performance and to reduce the deterioration due to fast-fading channel variations,... [more] | AP2014-205 pp.101-105 |
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