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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SP, IPSJ-SLP, EA, SIP [detail] | 2023-03-01 16:50 |
Okinawa | (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 pp.294-299 |
| ICD, SDM, ITE-IST [detail] | 2022-08-08 16:35 |
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 pp.41-44 |
|
| OPE, OFT, OCS (Joint) [detail] |
2022-02-25 14:55 |
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 16:00 |
Kanagawa | (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 pp.36-41 |
| OPE, LQE | 2020-11-20 15:30 |
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 pp.129-132 |
| LQE, OPE, CPM, EMD, R | 2019-08-23 09:40 |
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 pp.47-50 |
|
| MW, ICD | 2019-03-15 10:35 |
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 pp.81-85 |
|
| ICD, CPSY, CAS | 2018-12-21 13:30 |
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 pp.1-5 |
|
| ICD, CPSY, CAS | 2018-12-23 16:10 |
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 pp.153-158 |
|
| OPE, LQE, OCS | 2018-10-18 13:10 |
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 pp.29-33 |
|
| MW, EMCJ, EST, IEE-EMC [detail] | 2017-10-19 09:40 |
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 pp.11-15 |
| SS, MSS | 2016-01-26 10:30 |
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 pp.119-122 |
| EMM | 2016-01-19 11:45 |
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 pp.49-54 |
| RCC, ASN, RCS, NS, SR (Joint) |
2015-07-31 14:25 |
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 pp.157-162 |
| LQE, LSJ | 2015-05-22 15:20 |
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 pp.93-97 |
|
| MW, ED | 2015-01-16 15:20 |
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 pp.105-110 |
| ITS, IE, ITE-AIT, ITE-HI, ITE-ME [detail] | 2014-02-17 09:35 |
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 pp.7-12 |
| SP | 2013-11-21 14:30 |
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 pp.7-12 |
| LQE, OPE | 2013-06-21 16:40 |
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 pp.49-53 |
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| SP, EA, SIP | 2013-05-17 11:10 |
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 pp.103-108 |
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