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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SIP, SP, EA, IPSJ-SLP [detail] | 2024-02-29 09:30 |
Okinawa | (Primary: On-site, Secondary: Online) |
Vocal tract length perturbation-based pseudo-speaker augmentation for automatic speaker verification Tomoka Wakamatsu, Sayaka Shiota, Hitoshi Kiya (Tokyo Metropolitan Univ.)  EA2023-61 SIP2023-108 SP2023-43 |
In recent years, deep neural network (DNN)-based automatic speaker verification (ASV) systems have become mainstream. Da... [more] | EA2023-61 SIP2023-108 SP2023-43 pp.1-6 |
| RCS, AP, UWT (Joint) |
2022-11-17 09:55 |
Fukuoka | Kyushu University, and Online (Primary: On-site, Secondary: Online) |
A Study of Optimal Perturbation Vector Search Using Quantum Computing in Vector Perturbation Introducing Symmetry when Using MMSE Norms Keishi Hanakago, Ryo Takahashi, Takahiro Ohyama (PSNRD), Fumiyuki Adachi (Tohoku Univ.) RCS2022-175 |
VP (Vector Perturbation) is a nonlinear precoding for MU-MIMO (Multi-User Multi-Input Multi-Output). It is known that fu... [more] | RCS2022-175 pp.118-123 |
| OFT | 2022-10-13 13:40 |
Kanagawa | Kanagawa-Kenmin Center (Primary: On-site, Secondary: Online) |
Validity of vectorial electromagnetic field analysis for optical fibers with circularly-distributed n-core and a central core Naoto Kishi, Kento Kyuno (UEC) OFT2022-32 |
Validity of group-theory adapted point-matching method for electromagnetic fields analysis of vectorial modes for opti... [more] |
OFT2022-32 pp.57-62 |
| OFT | 2021-01-15 14:10 |
Online | Online | Validity of vectorial electromagnetic field analysis for circularly-distributed n-core optical fibers Kishi, Naoto, Kobayashi, Gouta (UEC) OFT2020-51 |
Validity of group-theory adapted point-matching method for electromagnetic fields analysis of vectorial mode in circul... [more] |
OFT2020-51 pp.32-37 |
| RCS, AP (Joint) |
2018-11-20 11:35 |
Okinawa | Okinawa Industry Support Center | Eavesdropping Method Using ICA for Secure Information Transmission with AFF and Its Countermeasure Satoshi Kirino, Hideichi Sasaoka, Hisato Iwai (Doshisha Univ.) RCS2018-182 |
Secure information transmission using artificial fast fading (AFF) scheme has been proposed as physical layer security u... [more] | RCS2018-182 pp.25-30 |
| RCS | 2018-10-19 09:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A study on PAPR suppression using perturbation vector in OFDM Yasunao Sugimoto, Hideichi Sasaoka, Hisato Iwai (Doshisha Univ.) RCS2018-165 |
In the OFDM transmission method, a method using extended signal points has been proposed as one of methods for reducing ... [more] | RCS2018-165 pp.77-82 |
| RCS, SAT (Joint) |
2017-08-18 10:00 |
Niigata | Niigata Univ. | [Invited Lecture]
Extension of Tomlinson-Harashima Precoding Technique Employing Perturbation Vector Search for Downlink MU-MIMO Systems Manabu Mikami (SoftBank) SAT2017-31 RCS2017-161 |
For downlink multi-user multi-input multi-output systems (DL-MU-MIMO), non-linear precoding (NLP) based on Tomlinson- Ha... [more] | SAT2017-31 RCS2017-161 pp.55-60(SAT), pp.97-102(RCS) |
| NS, ASN, RCC, RCS, SR (Joint) |
2017-07-21 10:40 |
Hokkaido | Hokkaido Univ. | Performance Evaluation of Blind MIMO System Using Independent Component Analysis and Its Application to Secret Information Transmission Satoshi Kirino, Hideichi Sasaoka, Hisato Iwai (Doshisha Univ.) RCS2017-134 |
This paper evaluated the performance of blind MIMO scheme using ICA in various multi-level QAM and MIMO-OFDM systems. As... [more] | RCS2017-134 pp.209-214 |
| AP, RCS (Joint) |
2014-11-13 11:15 |
Yamagata | Yamagata University, Yonezawa Campus | A study on interference suppression techniques for downlink nonlinear MU-MIMO Hiromichi Tomeba, Tomoki Yoshimura, Takashi Onodera, Minoru Kubota (Sharp), Fumiaki Maehara (Waseda Univ.) RCS2014-212 |
Multi-user MIMO (MU-MIMO), which can achieve the MIMO transmission by regarding the multiple users as the virtual large ... [more] | RCS2014-212 pp.91-96 |
| RCS | 2014-06-17 16:50 |
Okinawa | Okinawa-ken Seinenkaikan (Naha) | Single-Carrier MU-MIMOusing Vector Perturbation Shohei Yoshioka, Shinya Kumagai, Fumiyuki Adachi (Tohoku Univ.) RCS2014-55 |
In this paper, we propose two new vector perturbation (VP) schemes for single-carrier (SC) multi-user (MU) multiple-inpu... [more] | RCS2014-55 pp.131-136 |
| RCS, SR, SRW (Joint) |
2014-03-05 11:35 |
Tokyo | Waseda Univ. | Study on VP Transmission Schemes for Multiuser MIMO Downlink using Non-Regenerative Relay Yusuke Tanahashi, Yasunori Iwanami (Nagoya Inst. of Tech.), Ryota Yamada, Naoki Okamoto (SHARP) RCS2013-371 |
In recent years, Multi-User MIMO (MU-MIMO) technology which uses spatial multiplexing for multiple users with multiple t... [more] | RCS2013-371 pp.395-400 |
| RCS, SR, SRW (Joint) |
2014-03-05 16:10 |
Tokyo | Waseda Univ. | An application of Multiple Sphere Encoding to Downlink MU-MIMO VP Shunsuke Sasaki, Fumio Takahata (Waseda Univ.) RCS2013-390 |
This paper proposes the computational complexity reduction technique for the Downlink Multi-User Multiple Input Multiple... [more] | RCS2013-390 pp.505-510 |
| RCS, SR, SRW (Joint) |
2013-02-27 10:50 |
Tokyo | Waseda Univ. | A study of perturbation vector search for downlink MU-MIMO using Vector Perturbation Masato Takada (Waseda Univ.), Hiromichi Tomeba, Takashi Onodera, Minoru Kubota (Sharp), Fumiaki Maehara, Fumio Takahata (Waseda Univ.) RCS2012-289 |
This paper proposes the computational complexity reduction technique for the downlink(DL) Multi-User Multiple Input Mult... [more] | RCS2012-289 pp.31-36 |
| SIP, RCS | 2013-02-01 13:50 |
Hiroshima | Viewport-Kure-Hotel (Kure) | Outdoor experiments of nonlinear multiuser MIMO transmission with vector perturbation Satoshi Sonobe, Satoshi Tsukamoto, Takahiro Maeda, Kazuto Yano, Hiroshi Ban, Masahiro Uno, Kiyoshi Kobayashi (ATR) SIP2012-121 RCS2012-278 |
We have developed an 8×8 multiuser MIMO experimental system based on LTE-advanced with vector perturbation. This paper p... [more] | SIP2012-121 RCS2012-278 pp.237-242 |
| NS, RCS (Joint) |
2012-12-14 13:50 |
Ehime | Ehime Univ. | A study on modulo boundary setting of vector perturbation considering inter-stream interference Kazuto Yano, Satoshi Sonobe, Yafei Hou, Satoshi Tsukamoto, Masahiro Uno, Kiyoshi Kobayashi (ATR) RCS2012-225 |
To reduce the modulo boundary setting error of vector perturbation using MMSE spatial filtering, this paper proposes a n... [more] | RCS2012-225 pp.251-256 |
| AP, RCS (Joint) |
2012-11-15 14:40 |
Tokyo | Tokyo Denki University | [Requested Talk] R&D of a nonlinear multiuser MIMO system targeting small-cell environments
-- its advantage and challenges for practical systems -- Kazuto Yano, Satoshi Sonobe, Yafei Hou, Satoshi Tsukamoto, Hiroshi Ban, Masahiro Uno, Kiyoshi Kobayashi (ATR) AP2012-101 RCS2012-168 |
The authors have evaluated the performance of MIMO-OFDM transmission based on vector perturbation (VP) precoding in smal... [more] | AP2012-101 RCS2012-168 pp.49-54(AP), pp.43-48(RCS) |
| AP, RCS (Joint) |
2012-11-16 10:55 |
Tokyo | Tokyo Denki University | A proposal of a symmetric extended symbol mapping for vector perturbation Satoshi Sonobe, Satoshi Tsukamoto, Takahiro Maeda, Yafei Hou, Kazuto Yano, Masahiro Uno, Kiyoshi Kobayashi (ATR) RCS2012-175 |
This paper proposes a symmetric extended symbol mapping, which assigns signal points symmetrically about the modulo boun... [more] | RCS2012-175 pp.85-90 |
| SR, AN, USN, RCS (Joint) |
2012-10-19 16:20 |
Fukuoka | Fukuoka univ. | Impact of spatial filtering weight on performance of multiuser MIMO transmission with vector perturbation Kazuto Yano, Satoshi Sonobe, Yafei Hou, Satoshi Tsukamoto, Masahiro Uno, Kiyoshi Kobayashi (ATR) RCS2012-158 |
This paper evaluates the performance of $8\times8$ downlink multiuser MIMO-OFDM transmission based on vector perturbatio... [more] | RCS2012-158 pp.189-194 |
| SR, AN, USN, RCS (Joint) |
2012-10-19 16:45 |
Fukuoka | Fukuoka univ. | Precoding Weight Interpolation Method to Mitigate Spectrum Efficiency Loss of Vector Perturbation Based Multiuser MIMO with Limited CSI Feedback Yafei Hou, Satoshi Sonobe, Satoshi Tsukamoto, Kazuto Yano, Masahiro Uno, Kiyoshi Kobayashi (ATR) RCS2012-159 |
Vector perturbation (VP) algorithm requires perfect channel state information (CSI) for optimal perturbation vector sea... [more] | RCS2012-159 pp.195-200 |
| MW (Workshop) |
2012-08-08 - 2012-08-10 |
Overseas | Chulalongkorn University, Bangkok, Thailand | An Experimental 8$B!_(B8 MU-MIMO System with Block Diagonalized Vector Perturbation Satoshi Tsukamoto, Satoshi Sonobe, Takahiro Maeda, Shoichi Kitazawa, Masahiro Uno, Hiroshi Ban, Kiyoshi Kobayashi (ATR Wave Engineering Lab.) |
This paper presents an experimental 8$B!_(B8 (eight transmit antennas at the base station to four user equipments with... [more] | |
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