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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MBE, BioX | 2017-07-29 10:50 |
Tokushima | Tokushima University | Relation with Human Visual Recognition and Illumination Intensity Based on Duty Ratio of Pulse Driven LED Masaki Miyatani, Hiroki Yamamoto, Mineyuki Nishio (NIT., Anan College), Nobutomo Uehara (NIT., JAPAN), Masaru Kamano, Emiko Yasuno (NIT., Anan College), Yohsuke Kinouchi (Tokushima Univ.)  BioX2017-13 MBE2017-22 |
LED lightning with pulsed width modulation (PWM) method is growing in use of modern electronic devices. This method can ... [more] | BioX2017-13 MBE2017-22 pp.21-24 |
| MW, ICD | 2017-03-03 09:25 |
Okayama | Okayama Prefectural Univ. | Quadrature-modulation Envelope-pulse-width-modulation Transmission System Using Quadrature Polarized Waves Ryo Sakai, Yohtaro Umeda, Yusuke Kozawa (Tokyo Univ. of Science) MW2016-204 ICD2016-134 |
This paper presents quantitative evaluation of power efficiency decrese by not satisfying the zero current switching (ZC... [more] | MW2016-204 ICD2016-134 pp.89-94 |
| MW, ICD | 2017-03-03 10:50 |
Okayama | Okayama Prefectural Univ. | Speeding up using Parallel-Serial conversion in FPGA implementation of quadrature modulation Envelope Pulse Width Modulation Transmitter Kouhei Nagasawa, Yohtaro Umeda, Yusuke Kozawa (Tokyo Univ. of Science) MW2016-207 ICD2016-137 |
This paper presents a new configuration using a serializer on quadrature-modulation (QM) envelope-pulse-width-modulation... [more] | MW2016-207 ICD2016-137 pp.107-112 |
| LQE, OPE, OCS | 2016-10-28 09:40 |
Miyazaki | Miyazaki Citizen's Plaza | Driving circuit for 32X32 Optical Matrix Switch using High-resolution Pulse-width Modulation Hiroyuki Matsuura, Satoshi Suda, Ken Tanizawa, Keijiro Suzuki, kazuhiro Ikeda, Hitoshi Kawashima, Shu Namiki (AIST) OCS2016-46 OPE2016-87 LQE2016-62 |
A silicon photonic 32X32 strictly non-blocking matrix switch utilizing Mach-Zehnder (MZ) interferometers controlled by t... [more] | OCS2016-46 OPE2016-87 LQE2016-62 pp.65-70 |
| MW, ICD | 2015-03-05 16:10 |
Fukui | University of Fukui | [Special Talk]
Ultra-Low Phase Noise Frequency Synthesizer for up to 28Gbps 60GHz Wireless Transceivers Ahmed Musa (NTT), Kenichi Okada, Akira Matsuzawa (Titech) MW2014-214 ICD2014-127 |
Phase noise of the synthesizer used in transceivers has a significant impact on the achievable performance. At 60GHz, ph... [more] | MW2014-214 ICD2014-127 pp.67-72 |
| OPE, OCS, OFT (Joint) [detail] |
2015-02-20 15:15 |
Kagoshima | Optical Eigenvalue Modulation and Demodulation Scheme based on Pulse Width Modulation Yuki Matsuda, Akihiro Maruta (Osaka Univ.) OCS2014-124 OPE2014-233 |
(Advance abstract in Japanese is available) [more] | OCS2014-124 OPE2014-233 pp.121-126(OCS), pp.169-174(OPE) |
|
| MW | 2014-11-21 10:55 |
Nagasaki | Nagasaki Univ. | Quadrature-modulation Transmitter with Tri-level Delta-sigma Modulation for Generating Bi-level EPWM Signal Takashi Noda, Wataru Someya, Yoshiharu Iikura, Yohtaro Umeda, Yusuke Kozawa (Tokyo Univ. of Science) MW2014-139 |
This paper presents a quadrature-modulation (QM) envelope-pulse-width-modulation (EPWM) transmitter with delta-sigma tri... [more] | MW2014-139 pp.83-88 |
| MW | 2014-11-21 11:20 |
Nagasaki | Nagasaki Univ. | A Polar-modulation EPWM Transmitter with a Class-D Amplifier for OFDM Transmission Yoshiharu Iikura, Yohtaro Umeda, Yusuke Kozawa (Tokyo Univ. of Sience) MW2014-140 |
Power amplifiers for wireless communication systems demand high power efficiency and linearity. Of the available types o... [more] | MW2014-140 pp.89-94 |
| OCS, OPE, LQE | 2014-10-31 11:10 |
Nagasaki | Nagasaki Museum of History and Culture | A study on full-duplex PAM technique in RSOA-based optical access system Ryosuke Matsumoto (Osaka Univ.), Christos Stamatiadis (TUB), Yuki Yoshida, Akihiro Maruta, Ken-ichi Kitayama (Osaka Univ.) OCS2014-73 OPE2014-117 LQE2014-91 |
Since Reflective semiconductor amplifier (RSOA) can simultaneously amplifies and modulates the input waveform, it can ag... [more] | OCS2014-73 OPE2014-117 LQE2014-91 pp.163-167 |
| EID, ITE-IDY, ITE-HI, ITE-3DMT, IEE-OQD, SID-JC [detail] | 2014-10-15 13:15 |
Tokyo | Kikai-Shinko-Kaikan Bldg | Pulse-Width Modulation with Current Uniformization for AM-OLED
-- Reduction Effect Confirmation of Pixel-to-Pixel Brightness Deviation and Brightness Degradation -- Mutsumi Kimura, Tomoya Nishiyori, Daisuke Suzuki, Masamichi Koike, Shigeki Sawamura, Masakazu Kato (Ryukoku Univ.) EID2014-8 |
Recently, AM-OLEDs have been researched and developed as ultimate FPDs with advantages such as high image quality, high ... [more] | EID2014-8 pp.1-4 |
| EA | 2014-03-28 17:15 |
Tokyo | NHK Science & Technology Research Labs. | A study of directional speaker using a digitally direct-driven system Takemichi Ishikawa, Syuma Yokoyama, dai Takahashi, Satochi Saikatu, Akira Yasuda (Hosei Univ.) EA2013-127 |
The paper proposes a novel directive control method with amplitude-phase control for a beam forming speaker by using a d... [more] | EA2013-127 pp.43-48 |
| MW | 2014-03-05 15:25 |
Ehime | Ehime University | Modulation Accuracy of a Polar-modulation EPWM Transmitter with a NMOS-type Class-D Power Amplifier Yoshiharu Iikura, Yohtaro Umeda, Yusuke Kozawa (Tokyo Univ. of Science) MW2013-221 |
Switching-mode power amplifiers for wireless communication systems demand high power efficiency and linearity. Of the av... [more] | MW2013-221 pp.139-144 |
| OCS, OPE, OFT (Joint) [detail] |
2014-02-28 11:35 |
Okinawa | nest HOTEL Naha | All-Optical Modulation Format Conversion from BPSK to QPSK Using Delayed Interferometer and Pulse Shaping Filter Yui Shinohara, Hiroki Kishikawa, Nobuo Goto, Shin-ichiro Yanagiya (Univ. of Tokushima) OCS2013-111 OFT2013-73 OPE2013-223 |
Previously we proposed an all-optical modulation format conversion from DPSK to DQPSK by passiveoptical processing with ... [more] | OCS2013-111 OFT2013-73 OPE2013-223 pp.57-62(OCS), pp.97-102(OFT), pp.97-102(OPE) |
| IN, NS, CS (Joint) |
2012-09-21 15:15 |
Miyagi | Tohoku Univ. Research Institute of Electrical Communication 2gokan | [Encouragement Talk]
Dynamic Bandwidth Allocation with Two-level Intensity Signal in Passive Optical Networks Shoichiro Matsumoto, Koji Kamakura (CIT) NS2012-76 |
In this research, the use of two-level intensity signal for interleaved polling with adaptive cycle time (IPACT) in pass... [more] | NS2012-76 pp.135-140 |
| RECONF | 2012-05-29 17:10 |
Okinawa | Tiruru (Naha Okinawa, Japan) | Implementation of delay control methods for FPGA-based digital DC-DC Converters Yoshihiko Yamabe, Kanako Nakashima, Keisuke Dohi, Kazuma Hamawaki, Kentaro Yamashita, Kazuhiro Kajiwara, Fujio Kurokawa, Yuichiro Shibata, Kiyoshi Oguri (Univ.) RECONF2012-15 |
(To be available after the conference date) [more] | RECONF2012-15 pp.83-88 |
| SANE | 2011-10-18 10:15 |
Overseas | Udayana University, Bali, Indonesia | Development of Millimeter wave Radar using Stepped Multiple Frequency Complementary Phase Code Modulation Masato Watanabe, Takayuki Inaba, Hikaru Tsubota, Takahiro Yano (Univ. of Electro-Comm.) SANE2011-81 |
This paper describes a development of Millimeter wave Radar (Experimental model) for automotive and railway safety monit... [more] | SANE2011-81 pp.99-104 |
| OPE, MW, MWP, EMT, EST, IEE-EMT [detail] | 2011-07-22 15:15 |
Hokkaido | A 1.55 μm Picosecond Optical Pulse Source using a Lithium Niobate Optical Modulator Masaaki Sudo, Youichi Hosokawa, Norikazu Miyazaki, Masahito Mure, Yashuhiro Takemura (Sumitomo Osaka Cement) MW2011-65 OPE2011-52 EST2011-51 MWP2011-33 |
A 1.55-m short pulse light source using a lithium niobate Mach-Zehnder (LN-MZ) optical modulator was investigate... [more] | MW2011-65 OPE2011-52 EST2011-51 MWP2011-33 pp.151-156 |
|
| OPE, MW, MWP, EMT, EST, IEE-EMT [detail] | 2011-07-22 16:05 |
Hokkaido | Picosecond pulse generation in the 1μm region by using optical comb generator Ryuji Nishi (Aoyama Gakuin Univ.), Isao Morohashi, Naokatsu Yamamoto, Takahide Sakamoto, Atsushi Kanno, Tetsuya Kawanishi, Norihiko Sekine, Iwao Hosako (NICT), Hideyuki Sotobayashi (Aoyama Gakuin Univ.) MW2011-67 OPE2011-54 EST2011-53 MWP2011-35 |
Purpose of this experiment is generating picosecond pulse in the 1 micro-meter region where expected as a new wave lengt... [more] | MW2011-67 OPE2011-54 EST2011-53 MWP2011-35 pp.163-166 |
|
| RCS, AN, MoNA, SR (Joint) |
2009-03-04 13:00 |
Kanagawa | YRP | Experimental Study on Efficiency of EER Transmitter Using Envelope PWM Satoshi Tsukamoto, Takayuki Umaba, Keizo Inagaki, Makoto Taromaru (ATR) SR2008-88 |
Improving efficiency of radio power amplifier has been an important issue for portable radio terminals since it directly... [more] | SR2008-88 pp.1-6 |
| SANE | 2008-12-19 13:00 |
Saitama | Nippon Institute of Technology | A Study on the Doppler Compensation for Intra-Pulse Phase Coded Synthetic Bandwidth Radar Chie Fukushima, Nozomu Hamada (Keio Univ.) SANE2008-87 |
In radar systems, for detecting target in strong background clutters, separating the target signal from the background c... [more] | SANE2008-87 pp.1-6 |
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