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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| CAS, CS | 2021-03-02 10:50 |
Online | Online | A Study on the bandwidth of the matching circuit using transformer Satoshi Tanaka (Murata Manufacturing)  CAS2020-79 CS2020-86 |
With the spread of the fifth generation mobile phone, the increase of the output power of power amplifier (PA) has becom... [more] | CAS2020-79 CS2020-86 pp.41-46 |
| SCE | 2020-01-17 13:15 |
Kanagawa | [Poster Presentation]
Investigation of neuron with sigmoid activation function for quantum-flux-parametron-based neural network Daiki Yamaguchi, Yuki Yamanashi, Nobuyuki Yoshikawa (Yokohama Natl. Univ.) SCE2019-60 |
An ANN is a circuit that imitates the brain of a human, which is effective for pattern recognition and filtering, and so ... [more] | SCE2019-60 pp.125-127 |
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| AP, RCS (Joint) |
2019-11-22 09:50 |
Saga | Saga Univ. | Improving Time-domain Symbol Spread Blind Adaptive Array Interference Suppression by Principal Component Analysis Kazuki Maruta (Chiba Univ.), Kentaro Nishimori (Niigata Univ.), Chang-Jun Ahn (Chiba Univ.) RCS2019-226 |
We previously proposed a time-domain symbol spreading (TSS) which can expand the operational region of the blind adaptiv... [more] | RCS2019-226 pp.129-134 |
| AP, MW (Joint) |
2018-09-21 09:30 |
Tokyo | Tokyo Tech | A 26GHz-band Image Enhancement Type 1-Bit DAC for Direct Digital RF Modulator Junhao Zhang, Masafumi Kazuno, Mizuki Motoyoshi, Suguru Kameda, Noriharu Suematsu (Tohoku Univ.) MW2018-62 |
We have proposed 1-bit bandpass ΔΣ modulator using high order image component as a configuration of direct digital RF mo... [more] | MW2018-62 pp.17-21 |
| ASN, NS, RCS, SR, RCC (Joint) |
2018-07-11 09:30 |
Hokkaido | Hakodate Arena | Characteristic Improvement Method for Cancellation of Periodic Interference Performing Select Sideband Yuya Kimura, Satoshi Denno, Yafei Hou (Okayama Univ.) RCS2018-80 |
This paper proposes adaptive sideband selection for periodic interference cancellation using digital signal processing. ... [more] | RCS2018-80 pp.1-5 |
| WPT | 2015-03-25 10:35 |
Kyoto | Kyoto Univ. Uji Campus | Development of Microwave Power Receiving Device for Driving DC Motor with Dynamic Resistance Characteristic Yong Huang, Takaki Ishikawa, Tomohiko Mitani, Naoki Shinohara (Kyoto Univ.) WPT2014-103 |
Input load characteristics of DC motor fluctuate as the input power is changed. Also the conversion efficiency of a RF-D... [more] | WPT2014-103 pp.49-54 |
| EMCJ | 2013-07-11 13:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Evaluation Method for Noise Susceptibility of a RF Amplifier's Power Supply Terminal Takefumi Kumamoto (MEE), Takeshi Uchida, Chiharu Miyazaki, Naoto Oka (Mitsubishi Electric) EMCJ2013-31 |
By increasing the system products which consist of communication and data processing function, the electromagnetic inter... [more] | EMCJ2013-31 pp.21-26 |
| AP | 2013-05-17 14:50 |
Oita | Beppu International Convention Center B-ConPlaza | Duplex Wireless Power Transmission with a Directional Coupler for Interference Reduction Kengo Nishimoto (Mitsubishi Electric), Kenzaburo Hitomi (Mitsubishi Electric Engineering), Takeshi Oshima, Toru Fukasawa, Hiroaki Miyashita (Mitsubishi Electric), Yoshiyuki Takahashi, Yoshiyuki Akuzawa (Mitsubishi Electric Engineering) AP2013-31 |
In duplex wireless power transmission using electromagnetic resonant coupling, a method of reducing interference by addi... [more] | AP2013-31 pp.85-90 |
| MW | 2012-10-19 14:05 |
Tochigi | Utsunomiya Univ. | Development of a DC Power-supply Circuit for a Low Power Rectenna Yong Huang, Naoki Shinohara, Tomohiko Mitani (Kyoto Univ.) MW2012-108 |
This study proposes a DC power-supply circuit for an mW low power RF-DC rectifier circuit. We know that the efficiency o... [more] | MW2012-108 pp.153-156 |
| AP, SAT (Joint) |
2012-07-27 14:30 |
Hokkaido | Hokkaido Univ. | Characteristic evaluation of Passive MIMO Transmission Using Load Modulation Keisuke Terasaki, Naoki Honma (Iwate Univ.) AP2012-60 |
In this paper, we propose multi-level modulation in the passive Multiple-Input Multiple-Output (MIMO) transmission that ... [more] | AP2012-60 pp.173-178 |
| MW, ED | 2011-01-13 13:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A Study on GaAs-HBT MMIC couplers with feedback circuit techniques Kazuya Yamamoto, Hitoshi Kurusu, Miyo Miyashita, Satoshi Suzuki, Akira Inoue (Mitsubishi Electric) ED2010-176 MW2010-136 |
This paper describes circuit design and measurement results of feedback circuit built-in spiral directional couplers and... [more] | ED2010-176 MW2010-136 pp.7-12 |
| NS, RCS (Joint) |
2010-12-17 10:00 |
Okayama | Okayama Univ. | Joint Quasi-orthogonalization for Nonlinear Precoding MU-MIMO Hiroshi Nakano, Hiromichi Tomeba, Alvaro Ruiz Delgado, Takashi Onodera, Minoru Kubota (Sharp) RCS2010-183 |
This paper proposes a novel channel quasi-orthogonalization scheme for improving the error rate performance of Downlink ... [more] | RCS2010-183 pp.145-150 |
| LQE, OPE, OCS | 2010-10-29 15:55 |
Fukuoka | Mojiko Retro Town, Minato house | High Power Superluminescent Light Emitting Diodes by Using Active Multi-mode Interferometer Zhigang Zang, Keisuke Mukai (Kyushu Univ.), Paolo Navaretti, Marcus Duelk, Christian Velez (EXALOS AG), Kiichi Hamamoto (Kyushu Univ.) OCS2010-84 OPE2010-120 LQE2010-93 |
We demonstrate 1.55 μm novel superluminescent light emitting diodes (SLEDs) by using active multi-mode interferometers. ... [more] | OCS2010-84 OPE2010-120 LQE2010-93 pp.163-168 |
| AN, USN, SR, RCS (Joint) |
2010-10-29 13:10 |
Osaka | Osaka University | Iterative MMSE Detection and Interference Cancellation for Uplink SC-FDMA MIMO using HARQ Suguru Okuyama, Kazuki Takeda, Fumiyuki Adachi (Tohoku Univ.) RCS2010-135 |
For the next generation high-speed uplink wireless communication systems, single carrier (SC)- frequency-division multip... [more] | RCS2010-135 pp.181-186 |
| ED | 2010-06-17 15:15 |
Ishikawa | JAIST | Fabrication of high-frequency and high-power AlGaN/GaN HEMTs Yoshimi Yamashita, Issei Watanabe, Akira Endoh, Nobumitsu Hirose, Toshiaki Matsui (NICT), Takashi Mimura (NICT/Fujitsu lab.) ED2010-38 |
High-power AlGaN/GaN high electron mobility transistors (HEMTs) are the most promising devices for future high-speed and... [more] | ED2010-38 pp.25-30 |
| ED, LQE, CPM | 2009-11-20 15:00 |
Tokushima | Univ. of Tokushima (Josanjima Campus, Kogyo-Kaikan) | 50 W at 5 GHz RF output power performance of GaN-HEMT on Si substrate Shinichi Hoshi, Masanori Itoh, Toshiharu Marui, Hideyuki Okita, Yoshiaki Morino, Isao Tamai, Fumihiko Toda, Shohei Seki (Oki Electric Industry Co., Ltd.), Takashi Egawa (Nagoya Inst. of Tech.) ED2009-157 CPM2009-131 LQE2009-136 |
We have fabricated high RF power output devices using GaN-HEMT on Si substrate, that can be screened out by Hg probe C-V... [more] | ED2009-157 CPM2009-131 LQE2009-136 pp.139-144 |
| NS, OCS, PN (Joint) |
2009-06-25 16:00 |
Nagasaki | Nagasaki Museum of History and Culture (Nagasaki) | Dynamic switching characteristics of 1×4 InGaAsP/InP multimode interference waveguide switch Shinji Tomofuji (Osaka Univ.), Shinji Matsuo, Takaaki Kakitsuka (NTT), Ken-ichi Kitayama (Osaka Univ.) OCS2009-11 |
Multimode interference (MMI) waveguide switches show promise for switch in optical packet switching (OPS). In this work... [more] | OCS2009-11 pp.5-9 |
| MW, ED | 2009-01-15 13:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg | A Study on HBT RF Power Detectors with Directional Couplers on a GaAs Substrate Kazuya Yamamoto, Hitoshi Kurusu, Miyo Miyashita, Satoshi Suzuki, Nobuyuki Ogawa, Masatoshi Nakayama (Mitsubishi Electric Co.) ED2008-210 MW2008-175 |
This paper describes circuit design and measurement results of a phase-shifter built-in spiral directional coupler and i... [more] | ED2008-210 MW2008-175 pp.71-76 |
| SIS | 2008-12-04 11:25 |
Osaka | Kansai Univ. | The resonance design including the diode in the power supply circuit of a UHF passive RFID tag Kota Nakamura, Yohtaro Umeda, Osamu Takyu (Tokyo Univ. of Science) |
In this paper, about the power supply circuit of a UHF passive RFID tag, the composition which inserted the resonant cir... [more] | SIS2008-46 pp.23-28 |
| MW | 2008-08-28 13:20 |
Osaka | Osaka-Univ. (Toyonaka) | Design of Flat Gain LNA for 3.1-10.2GHz Band UWB Applications in 0.18um CMOS Process Ramesh Pokharel, Ahmed Galal, Haruichi Kanaya, Keiji Yoshida (Kyushu Univ.) MW2008-83 |
A CMOS low noise amplifier (LNA) for ultra-wideband (UWB) systems is presented. The proposed LNA achieve wide operating ... [more] | MW2008-83 pp.25-30 |
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