Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
WPT, EE (Joint) |
2020-10-07 16:20 |
Online |
Online |
Investigation of Robustness to Misalignment with Wireless Power Transfer System Using a Repeating Coil Naoya Kitade, Takahiko Yamamoto, Takehiro Imura (TUS), Yoshinori Tsuruda, Tomoki Onishi (Daihen) WPT2020-25 |
In recent years, there is a shortage of labor, especially in the manufacturing industry, and demand for automated guided... [more] |
WPT2020-25 pp.36-40 |
MW |
2018-12-13 16:35 |
Kanagawa |
Kanagawa Univ. |
On low-frequency anomalies of S-parameters of coaxial lines Ken Shobe, Shuhei Amakawa (Hiroshima Univ.) MW2018-126 |
Transmission coefficients of reciprocal and passive devices such astranssmission lines always show phasedelays. However,... [more] |
MW2018-126 pp.73-78 |
CQ (2nd) |
2017-10-16 16:15 |
Fukuoka |
Nishijin Plaza, Kyushu Univ. |
[Poster Presentation]
A Proposal for a New OFDM Wireless System using a CAZAC Equalization Scheme Ryota Ishioka, Tomotaka Kimura, Masahiro Muraghchi (TUS) |
It is well known that one of the most serious drawbacks of the orthogonal frequency division multiplexing (OFDM) scheme ... [more] |
|
WIT, HI-SIGACI |
2016-12-14 16:35 |
Tokyo |
AIST Tokyo Waterfront |
The sound interface supporting moving operation of action game for visually impaired people Atsushi Kondo, Shunichi Yonemura (SIT) WIT2016-53 |
In this study, in order to enable bisually impaired people to play action games, we establish design guideline of sound ... [more] |
WIT2016-53 pp.45-50 |
WPT, MW |
2015-04-16 15:25 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Design of a 60GHz InGaAs HEMT class-F power amplifier with reactive negative feedback Kunihiko Watanabe, Yohtaro Umeda (Tokyo Univ. of Science), Tomohiro Yoshida, Tetsuya Suemitsu (Tohoku Univ.) WPT2015-4 MW2015-4 |
In this paper, InGaAs HEMT 60GHz Class-F power amplifier (PA) with reactive negative feedback is designed and simulated.... [more] |
WPT2015-4 MW2015-4 pp.15-19 |
ED |
2014-12-22 14:35 |
Miyagi |
|
Output power performance of InGaAs/InAlAs HEMT at 90-GHz band Issei Watanabe (NICT), Akira Endoh (NICT/Fujistu Lab.), Akifumi Kasamatsu (NICT), Takashi Mimura (NICT/Fujistu Lab.) ED2014-101 |
InGaAs/InAlAs high electron mobility transistors (HEMTs) are the most promising electron devices not only for future ult... [more] |
ED2014-101 pp.15-19 |
SANE |
2013-12-02 16:30 |
Overseas |
VAST/VNSC(2nd Dec.) & Melia Hotel (3rd Dec), Hanoi, Vietnam |
Development of a 20W class X-band Amplifier using GaN HEMT Technology for Space Use Mitsuhiro Nakadai, Johta Awano, Masaaki Shimada (JAXA), Masahiro Funabashi (NTSpace) SANE2013-92 |
Japan Aerospace Exploration Agency (JAXA) has developed a 20W class X-band Solid State Power Amplifier (SSPA) using gall... [more] |
SANE2013-92 pp.121-126 |
MW (Workshop) |
2013-12-02 - 2013-12-04 |
Overseas |
King Mongkut's University of Technology North Bangkok, Thailand |
Millimeter Wave MU-MIMO System with PAE Array Yuyuan Chang, Noriaki Nagashima, Keisuke Hirota, Gia Khanh Tran, Kiyomichi Araki (Tokyo Tech.) |
For the spread of multimedia applications, high speed wireless communication techniques are necessary to transmit a larg... [more] |
|
MW |
2012-12-13 14:00 |
Yamanashi |
Univ. of Yamanashi |
A study on application of Class-E amplifier to EPWM transmitter Naoki Oyama, Makoto Taromaru (Fukuoka Univ.) MW2012-128 |
The PAE of Class-E/F such as switching-mode amplifiers is superior,
but it is nonlinear. EPWM is one of the architectu... [more] |
MW2012-128 pp.7-12 |
RCS, NS (Joint) |
2011-07-22 11:25 |
Hokkaido |
Asahikawa Civic Culture Hall |
The analysis of receiving system by using parasitic antenna element Miao Yinpei, Kiyomichi Araki (TOKYO TECH) RCS2011-100 |
In recent years,it is focused at MIMO system.However the conventional MIMO system requires multiple RF front-end.Therefo... [more] |
RCS2011-100 pp.153-156 |
RCS, AN, MoNA, SR (Joint) |
2010-03-05 13:40 |
Kanagawa |
YRP |
Improvement of Power Added Efficiency by PAPR Reductiuon Technique for MIMO-OFDM Systems Yosuke Kanno, Satoshi Suyama, Hiroshi Suzuki, Kazuhiko Fukawa (Tokyo Inst. of Tech.) RCS2009-331 |
In MIMO-OFDM mobile communication systems, this report clarifies a relation between (i) an improvement of peak to averag... [more] |
RCS2009-331 pp.433-438 |
EMCJ, MW |
2007-10-26 09:35 |
Miyagi |
Tohoku University |
A basic study on EER transmitter with burst-width envelope modulation based on triangle-wave PWM Toshiro Kodera, Nobuhiko Ando, Makoto Taromaru (ATR) EMCJ2007-67 MW2007-114 |
The improvement of efficiency on power amplifiers (PAs) has been a major assignment from dc to microwave region.
The c... [more] |
EMCJ2007-67 MW2007-114 pp.77-82 |