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Committee Date Time Place Paper Title / Authors Abstract Paper #
SP, IPSJ-SLP, EA, SIP [detail] 2023-03-01
(Primary: On-site, Secondary: Online)
A Study on Virtual Sensing Method for Hybrid Active Noise Control System
Shota Toyooka, Kajikawa Yoshinobu (Kansai Univ.) EA2022-126 SIP2022-170 SP2022-90
In this paper, we propose a hybrid active noise control system with auxiliary filter-based virtual sensing. The propose... [more] EA2022-126 SIP2022-170 SP2022-90
ICD, SDM, ITE-IST [detail] 2022-08-08
Online   [Invited Talk] A 3.3-GHz 4.6-mW Fractional-N Type-II Hybrid Switched-Capacitor Sampling PLL Using CDAC-Embedded Digital Integral Path with -80-dBc Reference Spur
Zule Xu, Masaru Osada, Tetsuya Iizuka (UTokyo) SDM2022-43 ICD2022-11
We present a type-II fractional-N hybrid switched-capacitor sampling PLL, using a capacitive digital-to-analog converter... [more] SDM2022-43 ICD2022-11
(Joint) [detail]
Online Online High Temperature Operation of 1.55μm Heterogeneous Wavelength Tunable Quantum Dot Laser Diode
Kissho Iwanaga, Wataru Masuda (Waseda Univ.), Atsushi Matsumoto, Naokatsu Yamamoto (NICT), Tomohiro Kita (Waseda Univ.) OCS2021-53 OFT2021-80 OPE2021-68
We fabricated Heterogeneous wavelength-tunable laser using Quantum dot semiconductor optical amplifier (QD-SOA) and Sili... [more] OCS2021-53 OFT2021-80 OPE2021-68
pp.60-64(OCS), pp.55-59(OFT), pp.98-102(OPE)
MW 2020-12-10
(Primary: On-site, Secondary: Online)
Experimental evaluation of signal-to-quantization noise power ratio of transversal filter with power amplifier for EPWM transmitter
Ryuta Sato, Natuki Utigiri, Taishi Sawayama, Yusuke Koike, Yotaro Umeda, Kyoya Takano (TUS) MW2020-77
In recent years, envelope pulse width modulation has been devised for transmitters in wireless communications to meet ma... [more] MW2020-77
OPE, LQE 2020-11-20
Online Online Spectral linewidth reduction of hybrid tunable laser by loading optical negative feedback circuit
Tatsuki Komatsubara, Toshiaki Okachi (Waseda Univ.), Nobuhide Yokota, Hiroshi Yasaka (Tohoku Univ.), Tomohiro Kita (Waseda Univ.) OPE2020-71 LQE2020-51
Spectral linewidth of a hybrid tunable laser consisted from SOA and Si optical circuits is reduced by loading an optical... [more] OPE2020-71 LQE2020-51
LQE, OPE, CPM, EMD, R 2019-08-23
Miyagi   [Invited Talk] High Function Semiconductor Lasers for Next Generation Optical Communication Systems
Hiroshi Yasaka, Nobuhide Yokota, Kanno Mitsunari, Sato Shouta (Tohoku Univ.) R2019-29 EMD2019-27 CPM2019-28 OPE2019-56 LQE2019-34
Compact narrow linewidth semiconductor laser source is proposed and demonstrated by utilizing optical negative feedback ... [more] R2019-29 EMD2019-27 CPM2019-28 OPE2019-56 LQE2019-34
MW, ICD 2019-03-15
Okinawa   A 0.85mm2 BLE Transceiver with Embedded T/R Switch, 2.6mW Harmonic Suppressed Transmitter and 2.3mW Hybrid-Loop Receiver
Zheng Sun, Hanli Liu, Dexian Tang, Hongye Huang, Tohru Kaneko, Rui Wu, Wei Deng, Teruki Someya, Atsushi Shirane, Kenichi Okada (Tokyo Tech) MW2018-171 ICD2018-115
This paper presents a miniaturized Bluetooth Low-Energy transceiver (TRX) for short-range IoT applications in 65-nm CMOS... [more] MW2018-171 ICD2018-115
ICD, CPSY, CAS 2018-12-21
Okinawa   Power-amplifier-inserted Transversal Filter that Recovers Quantization Noise Power by CMOS Rectifier
Yuto Tanaka, Yohtaro Umeda, Kyoya Takano (Tokyo University of Science) CAS2018-78 ICD2018-62 CPSY2018-44
In this paper, we aim to improve power efficiency by using a CMOS rectifier for power-amplifier-inserted transversal fil... [more] CAS2018-78 ICD2018-62 CPSY2018-44
ICD, CPSY, CAS 2018-12-23
Okinawa   Comparison between Quadrature-modulation EPWM transmitters with a 90° and 180° hybrid in physical models
Tomoaki Morita, Yohtraro Umeda (Tokyo Univ. of Science) CAS2018-115 ICD2018-99 CPSY2018-81
Quadrature-modulation envelope-pulse-width-modulation (EPWM) transmitter with a 180° (180HYB system) or 90° hybrid (90HY... [more] CAS2018-115 ICD2018-99 CPSY2018-81
OPE, LQE, OCS 2018-10-18
Saga   [Memorial Lecture] Research and development of high-density integrated silica-based planar lightwave circuits
Senichi Suzuki (NEL) OCS2018-33 OPE2018-69 LQE2018-58
Silica-based planar lightwave circuits (PLCs) with highly design flexibility and low loss characteristics have provided ... [more] OCS2018-33 OPE2018-69 LQE2018-58
MW, EMCJ, EST, IEE-EMC [detail] 2017-10-19
Akita Yupopo Comparison of Power Combining Methods in Power-amplifier-inserted Transversal Filter for EPWM Transmitters
Yuto Tanaka, Yohtaro Umeda (TUS), Yusuke Kozawa (Ibaraki Univ.) EMCJ2017-32 MW2017-84 EST2017-47
This paper compares power-amplifier-inserted transversal filter (PAITF) with 180º hybrids and T-junctions for envelope p... [more] EMCJ2017-32 MW2017-84 EST2017-47
SS, MSS 2016-01-26
Ishikawa Shiinoki-Geihin-Kan Active damping control for Automatic drive wagon
Kosuke Kishimoto, Manabu Kosaka (Kinki Univ) MSS2015-56 SS2015-65
This paper proposes hybrid damping control system using position and acceleration controller. This system is able to obt... [more] MSS2015-56 SS2015-65
EMM 2016-01-19
Miyagi Katahira Campus, Tohoku University Study on Source-filter Model Based Hybrid Speech Watermarking
Shengbei Wang, Nhut Minh Ngo, Masashi Unoki (JAIST) EMM2015-69
As a kind of information carrier, digital speech contains important values. However, illegal use of advanced digital tec... [more] EMM2015-69
Nagano JA Naganoken Bldg. Effect of PAPR Reduction Method for Massive MIMO Hybrid Beamforming Using High Frequency Bands
Satoshi Suyama, Tatsuki Okuyama, Tatsunori Obara, Yukihiko Okumura (NTT DOCOMO) RCS2015-127
In order to realize 5G radio access network with super high bit rate and high capacity, super high bit rate transmission... [more] RCS2015-127
LQE, LSJ 2015-05-22
Ishikawa   Integrated Spatial Optical System for Compact 100GbE Transmitter Optical Sub-Assemblies Using Lens Positional Control by Laser Irradiation
Tadashi Murao, Nobuyuki Yasui, Takuro Shinada, Yudai Imai, Koichi Nakamura, Masaya Shimono, Hidekazu Kodera, Yoshimichi Morita, Asami Uchiyama, Haruki Koyanagi, Hiroshi Aruga (Mitsubishi Electric) LQE2015-19
A compact transmitter optical sub-assembly (TOSA) is developed for 100 Gbps Ethernet (100GbE)/ OTU4 applications with a ... [more] LQE2015-19
MW, ED 2015-01-16
Tokyo Kikai-Shinko-Kaikan Bldg. Higher-order Bandpass Characteristics of Four-path Power-amplifier-inserted Transversal Filter in EPWM Transmitter for FPGA Implementation
Kazuaki Watanabe, Shota Fujioka, Takashi Yano, Yohtaro Umeda, Yusuke Kozawa (Tokyo Univ. of Science) ED2014-135 MW2014-199
This paper designs EPWM transmitter using higher-order band-pass characteristics of 4-path power-amplifier-inserted tran... [more] ED2014-135 MW2014-199
ITS, IE, ITE-AIT, ITE-HI, ITE-ME [detail] 2014-02-17
Hokkaido Hokkaido Univ. High Density Impulse Noise Removal on the Image Sequence uses Dual Recursive Hybrid Filter
Fitri Utaminingrum, Keiichi Uchimura, Gou Koutaki (Kumamoto Univ.) ITS2013-31 IE2013-96
The proposed method introduces impulse noise removal on the image sequences using Dual Recursive Hybrid Filter. The hybr... [more] ITS2013-31 IE2013-96
SP 2013-11-21
Nara Nara Institute of Science and Technology Evaluation of Excitation Feature Prediction in a Hybrid Approach to Electrolaryngeal Speech Enhancement
Kou Tanaka, Tomoki Toda, Graham Neubig, Sakriani Sakti, Satoshi Nakamura (NAIST) SP2013-72
We implement removing micro-prosody with low-pass filtering and avoiding Unvoiced/Voiced (U/V) prediction as part of a h... [more] SP2013-72
LQE, OPE 2013-06-21
Tokyo   Four-wavelength hybrid laser array for silicon CWDM transmitter
Shinsuke Tanaka, Seok-Hwan Jeong, Tomoyuki Akiyama, Shigeaki Sekiguchi, Teruo Kurahashi, Yu Tanaka, Ken Morito (PETRA/Fujitsu Labs.) OPE2013-16 LQE2013-26
A compact, large-scale integrated Si optical I/O chip is a very promising candidate for an optical interconnections used... [more] OPE2013-16 LQE2013-26
SP, EA, SIP 2013-05-17
Okayama   A Note on Fast Computation Method of Polyphase Filterbank
Gen Fujishiro, Koichi Ichige (Yokohama National Univ.) EA2013-18 SIP2013-18 SP2013-18
This paper presents a way of fast computation method in polyphase filterbanks.
Filterbanks divide a single-channel sig... [more]
EA2013-18 SIP2013-18 SP2013-18
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