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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 12 of 12  /   
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
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