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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS | 2024-10-17 10:30 |
Tokyo | (Tokyo, Online) (Primary: On-site, Secondary: Online) |
A Study on Extended Codeword Assignment Scheme for Synchronous Optical Code Division Multiple Access Using Level Division Multiplexing Tatsuma Matsunaga, Shinichiro Miyazaki, Kotoku Omura (Polytechnic Univ.), Shoichiro Yamasaki (Hiroshima City Univ.), Tomoko K. Matsushima (Yokohama College of Commerce)  RCS2024-133 |
In this paper, we examine the codeword assignment method for increasing the total number of users in a communication sys... [more] | RCS2024-133 pp.1-5 |
| SIP, IT, RCS | 2024-01-18 16:10 |
Miyagi | (Miyagi, Online) (Primary: On-site, Secondary: Online) |
A Study on Codeword Assignment for Optical Code Division Multiple Access Using Level Division Multiplexing with Arbitrary Number of Layers Tatsuma Matsunaga, Shinichiro Miyazaki, Kotoku Omura, Shigeyoshi Ohno (Polytechnic Univ.), Shoichiro Yamasaki (Hiroshima City Univ.), Tomoko K. Matsushima (Yokohama College of Commerce) IT2023-46 SIP2023-79 RCS2023-221 |
In this paper, we propose a codeword assignment method for optical code division multiple access using level division mu... [more] | IT2023-46 SIP2023-79 RCS2023-221 pp.82-87 |
| RCS, SIP, IT | 2022-01-20 14:30 |
Online | Online (Online) | A Study on Estimating Received Light Intensity of Synchronous Optical CDMA System Using Level Division Multiplexing. Ayari Kamikata, Shinichiro Miyazaki, Kotoku Omura, Shigeyoshi Ohno (PTU), Shoichiro Yamasaki (Hiroshima City Univ.), Tomoko K. Matsushima (Yokohama College of Commerce) IT2021-51 SIP2021-59 RCS2021-219 |
Synchronous optical code division multiple access (CDMA) using an appropriate interference elimination method with the e... [more] | IT2021-51 SIP2021-59 RCS2021-219 pp.125-130 |
| IT | 2020-12-03 15:10 |
Online | Online (Online) | Performance Evaluation for Optical CDMA Transmission Scheme with Level-Division Multiplexing Ayari Kamikata, Kyohei Ono, Shinichiro Miyazaki, Shoichiro Yamasaki, Tomoko K. Matsushima, Kotoku Omura (Polytechnic Univ.) IT2020-58 |
Synchronous optical code-division multiple access (CDMA), which uses an modified prime sequence code as the spreading co... [more] | IT2020-58 pp.183-188 |
| WBS, MICT | 2019-07-16 16:35 |
Ibaraki | Ibaraki University(Mito Campus) (Ibaraki) | A study on synchronous optical CDMA schemes cancelling background light and multi-user interference simultaneously Tomoko K. Matsushima, Shoichiro Yamasaki, Ayari Kamikata, Atsuki Omura, Masao Endo, Shinichiro Miyazaki, Kotoku Omura (Polytechnic Univ.) WBS2019-20 MICT2019-21 |
Several excellent techniques of multi-user interference (MUI) cancellation have been proposed for synchronous optical co... [more] | WBS2019-20 MICT2019-21 pp.55-60 |
| IT, ISEC, WBS | 2019-03-07 14:30 |
Tokyo | University of Electro-Communications (Tokyo) | A study on dimming control scheme for visible-light communication using modified prime sequence codes Ryo Kawamoto, Yuto Doi, Kenmu Kamimura, Shinichiro Miyazaki, Kotoku Omura, Tomoko K. Matsushima, Shoichiro Yamasaki (Polytechnic Univ.) IT2018-97 ISEC2018-103 WBS2018-98 |
Synchronous optical code-division multiplexing (CDM) incorporated with an adequate interference canceller is suitable to... [more] | IT2018-97 ISEC2018-103 WBS2018-98 pp.131-136 |
| IT, ISEC, WBS | 2019-03-08 13:30 |
Tokyo | University of Electro-Communications (Tokyo) | Security Enhanced Wireless Communications with Secret Sharing and Signal Processing of Data Transmission Kyohei Ono, Shoichiro Yamasaki, Tomoko K. Matsushima, Shinichiro Miyazaki, Kotoku Omura (PTU) IT2018-122 ISEC2018-128 WBS2018-123 |
(k, n) - threshold based secret sharing protects information securely. The information is divided into n shares, and t... [more] |
IT2018-122 ISEC2018-128 WBS2018-123 pp.285-290 |
| RCS, SIP, IT | 2019-01-31 12:30 |
Osaka | Osaka University (Osaka) | A Study on Dimming Control Scheme for Visible-Light CDM Communication Systems Ryo Kawamoto, Tomoko K. Matsushima, Shinichiro Miyazaki, Kotoku Omura, Shoichiro Yamasaki (Polytechnic Univ.) IT2018-41 SIP2018-71 RCS2018-248 |
Visible-light communication systems are suitable to realize secure indoor networks. In this paper, we investigate a new ... [more] | IT2018-41 SIP2018-71 RCS2018-248 pp.37-42 |
| MICT | 2019-01-11 17:05 |
Tokyo | Meiji Universtiy (Surugadai Campus) (Tokyo) | Development and Evaluation of a Visible-Light CDM Experimental System with Dimming Control for Indoor Lighting Equipment Ryo Kawamoto, Yuto Doi, Kenmu Kamimura, Tomoko K. Matsushima, Shinichiro Miyazaki, Kotoku Omura, Shoichiro Yamasaki (Polytechnic Univ.) MICT2018-66 |
Visible-light communication systems using LED light sources are suitable to realize secure indoor networks. In this stud... [more] | MICT2018-66 pp.31-36 |
| WBS | 2018-10-12 15:45 |
Hiroshima | National Institute of Technology, Hiroshima College (Hiroshima) | A Proposal of Dimming Control Scheme for Visible Light CDM Communication Using Modified Prime Sequence Codes Ryo Kawamoto, Tomoko K. Matsushima, Shinichiro Miyazaki, Kotoku Omura, Shoichiro Yamasaki (Polytechnic Univ.) WBS2018-23 |
Visible-light communication systems are suitable to realize secure indoor networks. In this paper, we propose a new dimm... [more] | WBS2018-23 pp.31-36 |
| WBS | 2017-10-12 15:00 |
Wakayama | Rivage Spa Hikigawa (Nanki Shirahama) (Wakayama) | [Poster Presentation]
Development of Visible-Light CDM Experimental System Using MPSC and MUI Canceller Ryo Kawamoto, Shinya Nakamura, Tomoko K. Matsushima, Shinichiro Miyazaki, Kotoku Omura, Shoichiro Yamasaki (Polytechnic Univ.) WBS2017-23 |
Visible-light communication systems are suitable to realize secure indoor networks. In this paper, we report on a visibl... [more] | WBS2017-23 pp.1-6 |
| WBS | 2017-10-13 10:00 |
Wakayama | Rivage Spa Hikigawa (Nanki Shirahama) (Wakayama) | A Study on Signature Codes and Bit Error Rate Performance of Synchronous Optical CDMA with MUI Cancellation Tomoko K. Matsushima, Agus Susilo, Ryo Kawamoto, Shinichiro Miyazaki, Kotoku Omura, Shoichiro Yamasaki (Polytechnic Univ.) WBS2017-31 |
In direct-detection synchronous optical CDMA systems, unipolar codes are used as signature codes. Available number of si... [more] | WBS2017-31 pp.45-50 |
| IT | 2017-07-13 10:40 |
Chiba | Chiba University (Chiba) | Study on Secret Sharing Scheme for Distributed Storage System Masayuki Shiba, Shinichiro Miyazaki, Kotoku Omura, Tomoko K. Matsushima, Shoichiro Yamasaki (Polytechnic Univ.) IT2017-18 |
Secret sharing is a method in which the source information is divided into n shares and the source information is recons... [more] | IT2017-18 pp.11-14 |
| IT | 2017-07-13 11:05 |
Chiba | Chiba University (Chiba) | Study on Signature Codes and Multi-User Interference Cancellation Techniques for CDMA Radio Communication Systems Hiroki Sato, Masayuki Shiba, Shinichiro Miyazaki, Kotoku Omura, Tomoko K. Matsushima, Shoichiro Yamasaki (Polytechnic Univ.) IT2017-19 |
The class of modified prime sequence codes (MPSCs) was proposed for unipolar signature codes of synchronous optical CDMA... [more] | IT2017-19 pp.15-20 |
| IT, ISEC, WBS | 2016-03-10 12:50 |
Tokyo | The University of Electro-Communications (Tokyo) | Application of MUI cancellers using bipolar MPSC in CDMA radio communication systems Hiroki Sato, Shinichiro Miyazaki, Tomoko K. Matsushima, Kotoku Omura, Shoichiro Yamasaki (Polytechnic Univ.) IT2015-107 ISEC2015-66 WBS2015-90 |
Modified prime sequence codes (MPSCs) are often used as unipolar codes in synchronous optical code division multiple acc... [more] | IT2015-107 ISEC2015-66 WBS2015-90 pp.37-42 |
| SIS, IPSJ-AVM | 2013-09-12 10:30 |
Tokyo | Waseda Univ. (Tokyo) | Error Resilient 3D DWT Video Transmission Kotoku Omura, Shoichiro Yamasaki, Tomoko K. Matsushima (Polytechnic Univ.), Hirokazu Tanaka (Toshiba), Miki Haseyama (Hokkaido Univ.) SIS2013-14 |
The coauthors proposed the method, which adopted duplication scheme of lowest frequency sub-band coefficients of three-d... [more] | SIS2013-14 pp.1-6 |
| IT | 2013-07-26 10:10 |
Tokyo | Nishi-Waseda campus, Waseda University (Tokyo) | Performance Evaluation of 3D DWT Video Transmission with Invertible Codes Kotoku Omura, Shoichiro Yamasaki, Tomoko K. Matsushima (Polytechnic Univ.), Hirokazu Tanaka (Toshiba), Miki Haseyama (Hokkaido Univ.) IT2013-21 |
The objective of this study is to indicate efficacy of error resilience using invertible codes to three-dimensional disc... [more] | IT2013-21 pp.49-53 |
| SIS | 2013-06-13 10:50 |
Kagoshima | Houzan Hall (Kagoshima) (Kagoshima) | A State Transition Control Method of Space-Time Trellis Codes Shoichiro Yamasaki, Kotoku Omura, Tomoko K. Matsushima (Polytechnic Univ.), Hirokazu Tanaka (Toshiba) SIS2013-2 |
In order to increase resilience against propagation gain variations in wireless communications, space-time trellis code... [more] | SIS2013-2 pp.7-10 |
| SIS | 2013-06-13 11:10 |
Kagoshima | Houzan Hall (Kagoshima) (Kagoshima) | A Study on Visible Light CDMA Systems Using Inverted MPSC Sequences Tomoko K. Matsushima, Masaki Kakuyama, Kotoku Omura, Shoichiro Yamasaki (Polytechnic Univ.), Yuya Murata (Tokyo Institute of Technology), Yasuaki Teramachi (Brain Functions Lab., Inc.) SIS2013-3 |
Visible light communication systems are suitable to realize secure indoor networks. In this paper, an optical CDMA schem... [more] | SIS2013-3 pp.11-16 |
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