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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MIKA (3rd) |
2023-10-10 15:35 |
Okinawa | Okinawa Jichikaikan (Primary: On-site, Secondary: Online) |
[Poster Presentation]
A Consideration of Data Smoothing and Weight Orthogonalization in Blind Signal Separation Using Kurtosis Maximization Algorithm Shogo Osakabe, Nobuyoshi Kikuma, Kunio Sakakibara, Yoshiki Sugimoto (NITech) |
With the recent rapid evolution in wireless communications, the demand for high-quality, low-latency transmission and th... [more] | |
| CS | 2023-07-28 14:30 |
Tokyo | Hachijo-machi Chamber of Commerce and Industry | A Precoding Scheme to Suppress both Out-of-Band Emission and Peak Power of OFDM Signals using Trapezoidal Block Householder Reflector Hikaru Kawasaki, Takeshi Matsumura (NICT)  CS2023-57 |
The authors have proposed a trapezoidal block Householder reflector (TBHR) to represent a unitary matrix in orthonormali... [more] | CS2023-57 pp.157-162 |
| SP, IPSJ-SLP, EA, SIP [detail] | 2023-02-28 09:10 |
Okinawa | (Primary: On-site, Secondary: Online) |
Extension of acoustic system measurement based on signal safeguarding
-- Repetition and orthogonalization for post hoc analysis -- Hideki Kawahara (和歌山大), Kohei Yatabe (Tokyo Univ。 of Agriculture and Technology), Ken-Ichi Sakakibara (Health Sciences Univ. of Hokkaido), Mitsunori Mizumachi (Kyushu Inst. of Tech.) EA2022-79 SIP2022-123 SP2022-43 |
Subdivision of a periodic signal provides a hierarchical set of generally different signals. Each subdivided signal appl... [more] | EA2022-79 SIP2022-123 SP2022-43 pp.25-30 |
| CS | 2022-07-15 10:50 |
Kagoshima | Yakushima Environmental and Cultural Village Center (Primary: On-site, Secondary: Online) |
Trapezoidal Block Householder Reflector and Its Application to Precoding Hikaru Kawasaki, Takeshi Matsumura (NICT) CS2022-32 |
Orthonormalization like singular value decomposition and QR decomposition is closely related to solution representation ... [more] | CS2022-32 pp.83-88 |
| EMM, EA | 2014-11-21 10:40 |
Fukuoka | Multichannel non-negative matrix factorization with orthogonality constraints for sound source separation Fuminori Yoshiyama, Shingo Uenohara, Keisuke Nishijima, Ken'ichi Furuya (Oita Univ.) EA2014-32 EMM2014-60 |
This paper proposes a blind source separation method based on multichannel non-negative factorization (NMF) with orthogo... [more] | EA2014-32 EMM2014-60 pp.25-30 |
|
| SR, RCS, SRW (Joint) |
2012-03-09 09:50 |
Kanagawa | YRP | Design Method of Relative Magnitude Coefficients Considering Rotation of Basis Vectors in Interference Space on the K-User MIMO Interference Channel for Downlink System Kunitaka Matsumura, Tomoaki Ohtsuki (Keio Univ.) RCS2011-360 |
Recently, to improve the capacity of cell-edge user, interference alignment (IA) is an intense research interest. Bec... [more] |
RCS2011-360 pp.263-268 |
| NS, RCS (Joint) |
2010-12-17 10:00 |
Okayama | Okayama Univ. | Joint Quasi-orthogonalization for Nonlinear Precoding MU-MIMO Hiroshi Nakano, Hiromichi Tomeba, Alvaro Ruiz Delgado, Takashi Onodera, Minoru Kubota (Sharp) RCS2010-183 |
This paper proposes a novel channel quasi-orthogonalization scheme for improving the error rate performance of Downlink ... [more] | RCS2010-183 pp.145-150 |
| PRMU, FM | 2010-12-10 11:40 |
Yamaguchi | An Image Recognition System by Tree Structured SOM with Feature Learning Function Masahiro Ariizumi, Shuta Saito, Hakaru Tamukoh, Masatoshi Sekine (TUAT) PRMU2010-143 |
In this paper, we describe an image recognition system combining a tree structured Self Organizing Map(SOM) for feature ... [more] | PRMU2010-143 pp.97-102 |
|
| AP, RCS (Joint) |
2010-11-11 13:30 |
Fukui | Fukui Univ. | Orthogonal Beamforming Using Gram-Schmidt Orthogonalization for Multi-User MIMO Downlink System Kunitaka Matsumura, Tomoaki Ohtsuki (Keio Univ.) RCS2010-145 |
Simultaneous transmission to multiple users using orthogonal beamforming, known as space-division multiple-access (SDMA)... [more] | RCS2010-145 pp.17-22 |
| IBISML | 2010-06-14 16:00 |
Tokyo | Takeda Hall, Univ. Tokyo | Orthogonalization and thresholding method for a nonparametric regression problem Katsuyuki Hagiwara (Mie Univ.) IBISML2010-8 |
For a nonparametric regression problem, we proposed a training scheme based on orthogonalization and thresholding, in w... [more] |
IBISML2010-8 pp.41-48 |
| SIP, IE, IPSJ-SLDM [detail] | 2009-10-15 14:00 |
Fukui | Awara Onsen "Matsuya Sensen" | Fast Adaptive Algorithm Using Lattice Filter Kazuyoshi Tashiro, Tetsuya Shimamura (Saitama Univ.) SIP2009-59 IE2009-84 |
The convergence speed of the adaptive filter is deteriorated by eigenvalue spread in the correlation matrix of the input... [more] | SIP2009-59 IE2009-84 pp.17-22 |
| RCS, AN, MoNA, SR, WBS (Joint) |
2008-03-07 16:10 |
Kanagawa | YRP | Imperfect Block Diagonalization for Downlink Multiuser MIMO Systems Shohei Kato, Hiroshi Nishimoto, Yasutaka Ogawa, Takeo Ohgane, Toshihiko Nishimura (Hokkaido Univ.) RCS2007-241 |
Recently, a multiuser MIMO system has attracted much attention. In the downlink of the multiuser MIMO system, since the ... [more] | RCS2007-241 pp.329-334 |
| MBE, NC (Joint) |
2007-12-22 12:05 |
Aichi | Research on Face authentication in Moving Image that used Self-Organizing Map Circuit Tomomi Yuno, Ichiro Sudo, Hakaru Tamukoh, Masatoshi Sekine (Agriculture and Technology Univ) NC2007-78 |
In this paper, we describe an image recognition system using a Self-Organizing Map (SOM) circuit. First, we extract a f... [more] |
NC2007-78 pp.43-48 |
|
| PRMU, MI | 2007-05-25 09:30 |
Mie | Mie Univ. | 3D object recognition for learning data minimization and high-speed processing Masayuki Kimura (Nagoya Institute of Technology), Toshiyuki Amano (NAIST), Toru Tamaki (Hiroshima University), Taizo Umezaki (Nagoya Institute of Technology) PRMU2007-16 MI2007-16 |
In this paper, a method to recognize 3-D object in parallel is proposed as the improvement of the EbC method that is a p... [more] | PRMU2007-16 MI2007-16 pp.85-89 |
| AP, RCS (Joint) |
2005-10-21 11:15 |
Akita | Akita Prefectural Univ. | Performance Evaluation of Transmission Beamforming Method for reducing operational load in an indoor environment Riichi Kudo, Kentaro Nishimori, Yasushi Takatori, Koichi Tsunekawa (NTT) |
MIMO-OFDM enable the application of spatial multiplexing as a way of increasing transmission rate. When the transmitter ... [more] | AP2005-103 pp.109-114 |
| NLP | 2005-07-25 13:15 |
Hokkaido | Future Univ.-Hakodate | Behavioral Modeling by Radial Basis Function Netowrks Hiroyoshi Kamada, Yuichi Tanji (kagawa Univ.) |
Recently, high-seed and high-operation devices are developed owing to the progress of manufacturing technologies on semi... [more] | NLP2005-30 pp.13-16 |
| WBS, SIP | 2004-07-23 10:25 |
Niigata | NICO PLAZA, Niigata | On an Acquisition Method Using a Code-Orthogonalizing Filter in UWB-IR (TH/SS) Multiple Access Yoshihiro Kameyama, Shin'ichi Tachikawa (Nagaoka Univ. of Tech.) |
This paper proposes a novel acquisition method using a code-orthogonalizing filter (COF) in UWB-IR (TH/SS type) multiple... [more] | WBS2004-27 SIP2004-46 pp.7-12 |
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