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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 51  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
MICT, WBS 2022-07-25
15:00
Okayama Okayama Prefectural University A Study on Multiplexing Scheme for Multi-Rate Information in Visible-Light Communications
Shoichiro Yamasaki (Hiroshima City Univ.), Tomoko K. Matsushima (Yokohama College of Commerce), Kyohei Ono (Jeed), Hirokazu Tanaka (Hiroshima City Univ.) WBS2022-31 MICT2022-31
Visible-light communications have less electromagnetic interference with electronic devices and are expected to be used ... [more] WBS2022-31 MICT2022-31
pp.82-87
RCS, SIP, IT 2022-01-20
14:05
Online Online A Study on Multi-Rate Transmission Scheme Using Two-Layered Spreading Codes for Synchronous Optical CDMA
Kyohei Ono (JEED), Hirokazu Tanaka (Hiroshima City Univ.), Tomoko K. Matsushima (YCC), Shoichiro Yamasaki (Hiroshima City Univ.) IT2021-50 SIP2021-58 RCS2021-218
Generalized modified prime sequence codes (GMPSCs) have been proposed as spreading codes for synchronous optical code di... [more] IT2021-50 SIP2021-58 RCS2021-218
pp.119-124
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
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
WBS, MICT 2019-07-16
16:35
Ibaraki Ibaraki University(Mito Campus) 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 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
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