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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| CCS | 2023-11-12 10:50 |
Toyama | Toyama Prefectural University | A Model of attention varying of senders on social media Naoki Hirakura (Toyama Prefectural Univ.)  CCS2023-35 |
The environment in which attention has economic value is called the attention economy, and it has been expanding with th... [more] | CCS2023-35 pp.58-61 |
| PN | 2022-08-29 09:55 |
Hokkaido | (Primary: On-site, Secondary: Online) |
Comparison of overfitting in ANN- and VSTF-based nonlinear equalizers to repeated random bit patterns Kai Ikuta, Nakamura Jinya, Motai Daisuke, Nakamura Moriya (Meiji Univ.) PN2022-9 |
We compared the overfitting characteristics of artificial-neural-network- (ANN-) and Volterra-series-transfer-function- ... [more] | PN2022-9 pp.5-9 |
| EA, US, SP, SIP, IPSJ-SLP [detail] | 2021-03-04 15:45 |
Online | Online | Nonlinear Modeling of Electro-dynamic Loudspeaker by Nonlinear IIR Filter Kenta Iwai, Takanobu Nishiura (Ritsumeikan Univ.) EA2020-86 SIP2020-117 SP2020-51 |
In this paper, we introduce the nonlinear modeling of an electro-dynamic loudspeaker by a nonlinear IIR filter. There ar... [more] | EA2020-86 SIP2020-117 SP2020-51 pp.158-163 |
| MRIS, ITE-MMS | 2019-12-05 15:35 |
Ehime | Ehime University | Comparative study of equalization techniques in holographic data storage Shinya Kurokawa, Shuhei Yoshida (Kindai Univ.) MRIS2019-42 |
In the holographic data storage, data patterns are represented by images in which 0 or 1 are arranged in a two-dimension... [more] | MRIS2019-42 pp.19-23 |
| RCS, SAT (Joint) |
2019-08-22 10:25 |
Aichi | Nagoya University | Influence of Nonlinear Distortion of transponder for ACM on High Throughput Satellite Communications System Mitsugu Ohkawa, Hiromitsu Wakana, Amane Miura (NICT) SAT2019-20 |
We have studied about ACM (Adaptive Coding and Modulation) of DVB-S2(S2X) on high throughput satellite (HTS) communicati... [more] | SAT2019-20 pp.19-24 |
| OCS, PN, NS (Joint) |
2019-06-20 13:00 |
Iwate | MALIOS（Morioka） | Overestimation of Artificial Neural Network and Volterra Series Transfer Function in PRBS Based Signal Quality Evaluation Kai Ikuta, Yuta Otsuka, Yuta Fukumoto, Moriya Nakamura (Meiji Univ.) OCS2019-13 |
We compared overestimation problem of Volterra series transfer function (VSTF) with that of artificial neural network (A... [more] | OCS2019-13 pp.17-20 |
| SANE, SAT (Joint) |
2019-02-13 12:40 |
Kagoshima | Tanegashima Island | Computational Complexity Reduction for an Adaptive Equalization Scheme based on Memory Polynomial for Compensating both Linear and Nonlinear Distortion Shunsuke Uehashi, Yasunori Nouda, Shigenori Tani, Shigeru Uchida, Atsushi Okamura (Mitsubishi Electric) SAT2018-68 |
The demand for wideband transmission is increasing greatly in satellite communication system. In wideband transmission, ... [more] | SAT2018-68 pp.63-68 |
| AP, SANE, SAT (Joint) |
2018-07-19 10:10 |
Hokkaido | Hokkaido Univ. | Effect of Nonlinear Distortion Compensation for 32APSK on High Throughput Satellite Communications System Mitsugu Ohkawa, Hiromitsu Wakana, Amane Miura (NICT) SAT2018-19 |
We have studied about nonlinear compensation for multi-level modulation scheme (32APSK: Amplitude and Phase Shift Keying... [more] | SAT2018-19 pp.49-54 |
| SAT, WBS (Joint) |
2018-05-24 14:55 |
Kagoshima | Kagoshima University | Adaptive Equalization Scheme for Single Carrier Transmission with Nonlinear Distortion Yasunori Nouda, Shunsuke Uehashi, Shigenori Tani, Katsuyuki Motoyoshi, Atsushi Okamura (Mitsubishi Electric Corp.) WBS2018-2 |
This paper presents a nonlinear equalization scheme for single carrier transmission in order to realize the wideband tra... [more] | WBS2018-2 pp.7-12 |
| SIP | 2017-08-24 14:40 |
Tokyo | Tokyo Denki University | Computational Complexity Reduction for Third-order Volterra Filter Based on Singular Value Decomposition and the Application to the Compensation of Third-order Nonlinear Distortions Yuya Nakahira, Kenta Iwai, Yoshinobu Kajikawa (Kansai Univ.) SIP2017-53 |
Nonlinear distortions of loudspeaker systems affect the sound quality and should be accordingly compensated by any lin... [more] |
SIP2017-53 pp.27-32 |
| MSS, CAS, SIP, VLD | 2015-06-18 12:00 |
Hokkaido | Otaru University of Commerce | Compensation of Nonlinear Distortions for Parametric Array Loudspeakers
-- In the case of changing the amplitude of input signal -- Yuta Hatano, Satoshi Kinoshita, Chuang Shi, Yoshinobu Kajikawa (Kansai Univ.) CAS2015-19 VLD2015-26 SIP2015-50 MSS2015-19 |
Reproduction sound of the parametric array loudspeaker (PAL) contains many nonlinear distortions. Nonlinear distortions... [more] |
CAS2015-19 VLD2015-26 SIP2015-50 MSS2015-19 pp.99-102 |
| CQ, CS (Joint) |
2015-04-21 16:10 |
Fukuoka | Fukuoka Institute of Technology | [Special Invited Talk]
The history of VoIP technology and Future Trend Yasubumi Chimura (OKI) CS2015-6 CQ2015-8 |
For transition of VoIP technology, and look back at the history of standardization, we consider the relationship between... [more] | CS2015-6 CQ2015-8 pp.29-34(CS), pp.39-44(CQ) |
| SIP, EA, SP | 2015-03-02 10:50 |
Okinawa | Overview of 3GPP Standard EVS Codec
-- High Performance Speech and Audio Coding for VoLTE -- Takehiro Moriya, Yutaka Kamamoto, Noboru Harada (NTT), Kei Kikuiri, Nobuhiko Naka, Kimitaka Tsutsumi, Shinichirou Oosaki (NTT DOCOMO), Hiroyuki Ehara, Takako Sanda, Takuya Kawashima, Seigo Nakao (Panasonic) EA2014-76 SIP2014-117 SP2014-139 |
An international standardization body for mobile communications, 3GPP (3rd generation partnership project), defined a ne... [more] | EA2014-76 SIP2014-117 SP2014-139 pp.25-30 |
|
| SIP, EA, SP | 2015-03-03 10:45 |
Okinawa | [Poster Presentation]
Compensation of Nonlinear Distortions for Parametric Array Loudspeakers
-- Reduction of Computational Complexity of Volterra Filters and the Compensation Effects -- Yuta Hatano, Satoshi Kinoshita, Chuang Shi, Yoshinobu Kajikawa (Kansai Univ.) EA2014-119 SIP2014-160 SP2014-182 |
Reproduction sound of the parametric array loudspeaker (PAL) contains many nonlinear distortions. Therefore we proposed ... [more] | EA2014-119 SIP2014-160 SP2014-182 pp.261-266 |
|
| NS | 2014-10-17 10:20 |
Shimane | Matsue Terrsa | Implementation of VoLTE (Voice over LTE) Nobuya Minakata (NTT DOCOMO), Takahiro Aoki (DOCOMO Technology) NS2014-124 |
We, NTT docomo, launched VoLTE service starting June 2014 for the first time in Japan. This report describes the followi... [more] | NS2014-124 pp.115-117 |
| CS, NS, IN (Joint) |
2014-09-11 14:20 |
Miyagi | Tohoku Univ. Research Institute of Electrical Communication 2gokan | [Invited Talk]
Operational and Management Challenges from Mobile Communication Diversification Shigehiro Ano (KDDI R&D Labs) NS2014-86 IN2014-56 CS2014-44 |
The mobile data traffic explosion with the nation wide deployment of 3.9G LTE (Long Term Evolution) mobile service, the ... [more] | NS2014-86 IN2014-56 CS2014-44 pp.41-46(NS), pp.43-48(IN), pp.19-24(CS) |
| IN, RCS (Joint) |
2014-05-15 13:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Invited Talk]
Overview of the LTE/EPC QoS Makoto Fujinami, Yasuhiro Mizukoshi (NEC) IN2014-8 RCS2014-22 |
While the better part of the communication in the mobile network has been changing from voice calls to data communicatio... [more] | IN2014-8 RCS2014-22 pp.1-4(IN), pp.19-22(RCS) |
| SP, EA, SIP | 2013-05-17 10:35 |
Okayama | Distortion Reduction Using Volterra Filter for Ultrasonic Parametric Loudspeaker in Nearfield Usage Osamu Hoshuyama (NEC), Kazuma Yoshino (Univ. of Tokyo), Seiya Tateoka (Kyushu Univ.), Katsuhiro Hirose (Univ. of Electro-Comm.), Akira Oyamada (Univ. of Tsukuba) EA2013-17 SIP2013-17 SP2013-17 |
This paper proposes a distortion reduction method based on Volterra filter for nearfield ultrasonic parametric loudspeak... [more] | EA2013-17 SIP2013-17 SP2013-17 pp.97-102 |
|
| EA | 2013-03-12 14:00 |
Saitama | KDDI R&D Laboratories | Subjective Evaluation of Compensation Performance for the 2nd-order Nonlinear Distortion of Loudspeaker Systems Ryuhei Kishi, Yoshinobu Kajikawa (Kansai Univ.) EA2012-146 |
Loudspeaker systems contain nonlinear distortions in their output owing to their complicated structure.A method of compe... [more] | EA2012-146 pp.31-36 |
| MW (Workshop) |
2012-08-08 - 2012-08-10 |
Overseas | Chulalongkorn University, Bangkok, Thailand | Design of Multi-band Predistorter and Modeling for Multi-band Power Amplifier Ikuma Ando, Gia Khanh Tran, Kiyomichi Araki (Tokyo Tech Univ.), Takayuki Yamada, Yo Yamaguchi, Takana Kaho (NTT) |
To realize ``Flexible Wireless System'' which integrates various wireless systems on a unified hardware platform, we exa... [more] | |
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