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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2024-03-14 15:15 |
Fukui | UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
[Invited Talk (Young Researcher)]
Study of non-contact PIM measurement systems for balanced transmission lines with electrically equivalent characteristics to microstrip lines Ryunosuke Murofushi (Yokohama Natl. Univ./Polytechnic Univ.), Nobuhiro Kuga (Yokohama Natl. Univ.), Eiji Hanayama (Polytechnic Univ.)  AP2023-209 |
In many communication systems, passive intermoduration (PIM) is known as one of noises. The termination method standardi... [more] | AP2023-209 pp.45-50 |
| SIP, IT, RCS | 2024-01-18 16:10 |
Miyagi | (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 |
| AP | 2023-04-14 13:20 |
Osaka | Osaka Univ. (Primary: On-site, Secondary: Online) |
Evaluation of PIM correlation between the impedance matched method and the without termination method by using coupling compensation of transmission lines Ryunosuke Murofushi (YNU/PTU), Nobuhiro Kuga (YNU), Eiji Hanayama (PTU) AP2023-3 |
Without termination method is effective to reduce system size although PIM measurement is usually carried out by using I... [more] | AP2023-3 pp.11-15 |
| RCS, SIP, IT | 2022-01-20 14:30 |
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 |
| WBS, IT, ISEC | 2021-03-04 09:50 |
Online | Online | Variable spreading factor codes for optical code-division multiple access Kyohei Ono, Shoichiro Yamasaki, Tomoko K. Matsushima (Polytechnic Univ.) IT2020-113 ISEC2020-43 WBS2020-32 |
In this study, we propose variable spreading factor codes based on generalized modified prime sequence codes (GMPSCs), w... [more] | IT2020-113 ISEC2020-43 WBS2020-32 pp.7-12 |
| WBS, IT, ISEC | 2021-03-04 10:15 |
Online | Online | Error Performances of Synchronous Optical Code-Division Multiple Access Schemes Using Chip-Pair Codes Tomoko K. Matsushima, Shoichiro Yamasaki, Kyohei Ono (Polytechnic Univ.) IT2020-114 ISEC2020-44 WBS2020-33 |
This paper investigates the bit error rate performance of synchronous optical code-division multiple access (CDMA) using... [more] | IT2020-114 ISEC2020-44 WBS2020-33 pp.13-18 |
| SIP, IT, RCS | 2021-01-22 10:40 |
Online | Online | A study on inter-block interference suppression for wireless transmission with frequency-domain equalization Kohei Takata, Shinichiro Miyazaki, Shoichiro Yamasaki, Tomoko K. Matsushima (Polytechnic Univ.) IT2020-87 SIP2020-65 RCS2020-178 |
The overlap frequency domain equalization(FDE) method without using guard interval has been proposed to improve transmi... [more] |
IT2020-87 SIP2020-65 RCS2020-178 pp.131-135 |
| SIP, IT, RCS | 2021-01-22 14:00 |
Online | Online | Proposal of optical CDMA scheme multiplexing several shortened modified prime sequence codes Kyohei Ono, Shoichiro Yamasaki, Tomoko K. Matsushima (Polytechnic Univ.) IT2020-105 SIP2020-83 RCS2020-196 |
In this paper, we propose a new synchronous optical code-division multiple access (CDMA) scheme using shortened generali... [more] | IT2020-105 SIP2020-83 RCS2020-196 pp.235-240 |
| IT | 2020-12-03 14:50 |
Online | Online | A Study on Signature Codes for Synchronous Optical CDMA Systems
-- Proposal of Shortened Codes Based on Generalized Modified Prime Sequence Codes -- Kyohei Ono, Shoichiro Yamasaki, Tomoko K. Matsushima (Polytechnic Univ.) IT2020-57 |
In this paper, we propose a class of new spreading codes for synchronous optical CDMA and introduce a construction metho... [more] | IT2020-57 pp.177-182 |
| IT | 2020-12-03 15:10 |
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 |
| IT | 2020-12-03 15:30 |
Online | Online | A Study on Dimming Control Scheme for Visible Light CDMA Communications Yuiki Kasa, Kyohei Ono, Tomoko K. Matsushima, Shoichiro Yamasaki (Polytechnic Univ.) IT2020-59 |
Synchronous optical code-division multiple access (CDMA) using modified prime sequence codes (MPSCs) with an adequate in... [more] | IT2020-59 pp.189-194 |
| IT | 2020-09-04 09:15 |
Online | Online | Synchronous Optical CDMA Scheme Using Modified Prime Sequence Code and Its Inverted Code Kyohei Ono, Shoichiro Yamasaki, Tomoko K. Matsushima (Polytechnic Univ.) IT2020-18 |
This paper proposes a synchronous optical code-division multiple access (CDMA) scheme using a modified prime sequence co... [more] | IT2020-18 pp.1-6 |
| IT | 2020-09-04 09:40 |
Online | Online | A Study on Chip-Pair Codes for Synchronous Optical CDMA Systems Tomoko K. Matsushima, Shoichiro Yamasaki, Kyohei Ono (Polytechnic Univ.) IT2020-19 |
This paper proposes a class of chip-pair codes for synchronous optical code-division multiple access (CDMA) and shows a ... [more] | IT2020-19 pp.7-12 |
| OCS, OFT, LSJ (Joint) [detail] |
2020-08-28 15:50 |
Online | Online | Study on Scientific Training Method Using Statistical Analysis and Motion Density Map of Highly Skill worker
-- Case of Optical Fiber Fusion Splicing -- Daisuke Sugita, Ryusei Yamashita (PTU), Takeshi Hadano (NESS), Takuo Kikuchi (PTU) OFT2020-6 |
In this study, we use the SCAT (Steps for Coding and Theorization) to describe the key points of the movements that inst... [more] | OFT2020-6 pp.19-24 |
| MICT, WBS | 2020-07-21 13:00 |
Online | Online | Study on Construction of Generalized Modified Prime Sequence Codes
-- Proposal and Applications of Chip-Pair Codes -- Tomoko K. Matsushima, Shoichiro Yamasaki, Kyohei Ono (Polytechnic Univ.) WBS2020-2 MICT2020-1 |
This paper proposes a concept of chip-pair codes for synchronous optical code-division multiple access (CDMA) and shows ... [more] | WBS2020-2 MICT2020-1 pp.1-6 |
| IT, EMM | 2020-05-29 10:55 |
Online | Online | Notes on Optical CDMA Systems Using Bi-orthogonal Codes and EWO Signaling Kyohei Ono, Shoichiro Yamasaki, Tomoko K. Matsushima (Polytechnic Univ.) IT2020-8 EMM2020-8 |
In this paper, two new schemes are proposed for synchronous optical code-division multiple access (CDMA) systems which s... [more] | IT2020-8 EMM2020-8 pp.43-48 |
| IT, EMM | 2020-05-29 11:20 |
Online | Online | A Study on Code Construction Method for Optical CDMA with Variable Spreading Factor Shoichiro Yamasaki, Tomoko K. Matsushima, Kyohei Ono (Polytechnic Univ.) IT2020-9 EMM2020-9 |
This study proposes variable spreading factor codes for optical synchronous code division multiple access (CDMA) which... [more] |
IT2020-9 EMM2020-9 pp.49-54 |
| ISEC, IT, WBS | 2020-03-11 09:55 |
Hyogo | University of Hyogo (Cancelled but technical report was issued) |
An optical CDMA scheme combining modified prime sequence codes and bi-orthogonal codes Kyohei Ono, Shoichiro Yamasaki, Tomoko K. Matsushima (Polytechnic Univ.) IT2019-116 ISEC2019-112 WBS2019-65 |
[more] | IT2019-116 ISEC2019-112 WBS2019-65 pp.177-182 |
| ISEC, IT, WBS | 2020-03-11 10:20 |
Hyogo | University of Hyogo (Cancelled but technical report was issued) |
A note on orthogonal variable spreading factor codes based on polyphase sequences Tomoko K. Matsushima, Shoichiro Yamasaki (Polytechnic Univ.) IT2019-117 ISEC2019-113 WBS2019-66 |
[more] | IT2019-117 ISEC2019-113 WBS2019-66 pp.183-188 |
| IT, SIP, RCS | 2020-01-24 09:55 |
Hiroshima | Hiroshima City Youth Center | A Study on Construction Method of Orthogonal Variable-Length Spreading Sequences over Finite Fields Shoichiro Yamasaki, Tomoko K. Matsushima (Polytechnic University) IT2019-66 SIP2019-79 RCS2019-296 |
Orthogonal spreading codes have been applied to multiple access for communication systems. Tree structured orthogonal ... [more] |
IT2019-66 SIP2019-79 RCS2019-296 pp.173-178 |
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