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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| IN, RCS, NV (Joint) |
2022-05-26 10:20 |
Kanagawa | Keio University (Hiyoshi Campus) (Primary: On-site, Secondary: Online) |
Multiuser Detection using Normalized Selection Combining Scheme for Indoor Wireless Optical CDMA Systems Taiga Kasukabe, Chedlia Ben Naila, Hiraku Okada, Masaaki Katayama (Nagoya Univ.)  RCS2022-15 |
This paper discusses the uplink performance of an indoor data collection system. A base station (BS) collects informatio... [more] | RCS2022-15 pp.13-18 |
| 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 |
| 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 | 2020-09-04 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 |
| WBS (2nd) |
2019-12-17 - 2019-12-18 |
Aichi | Hotel Kinsenkaku | Study on Spreading Codes with Negative Auto-Correlation for SIK Optical CDMA Communications Akio Tsuneda (Kumamoto Univ.) |
The SIK (sequence inversion keyed) CDMA (code division multiple access) system was proposed as one of optical CDMA commu... [more] | |
| WBS, ITS, RCC | 2018-12-06 10:00 |
Okinawa | Miyako Island Hirara Port Terminal Bldg. | [Poster Presentation]
Performance improvement of a wireless optical CDMA system by combination of dynamic hard limiters and successive interference cancellation Shuto Ito, Kentaro Kobayashi, Hiraku Okada, Masaaki Katayama (Nagoya Univ.) WBS2018-28 ITS2018-11 RCC2018-59 |
This study considers a data collection system using wireless optical CDMA(Code Division Multiple Access) scheme. The tra... [more] | WBS2018-28 ITS2018-11 RCC2018-59 pp.7-12 |
| WBS | 2017-10-13 10:00 |
Wakayama | Rivage Spa Hikigawa (Nanki Shirahama) | 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 |
| WBS, SAT (Joint) |
2017-05-25 14:25 |
Tochigi | Utsunomiya Univ. Yoto Campus | A Study on Design of Two-Layered Pseudo-Noise Code for Optical-Wireless Code Shift Keying/Synchronous CDMA Takashi Tokunaga, Hiromasa Habuchi, Yusuke Kozawa (Ibaraki Univ.) WBS2017-1 |
In this paper, a design of two-layered pseudo-noise (PN) code for optical-wireless code shift keying (CSK) is considere... [more] |
WBS2017-1 pp.1-5 |
| RCS, IN (Joint) |
2015-05-21 17:45 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Invited Talk]
Wireless Access Schemes and Its Applications
-- From Ultrasound Communication to Optical Wireless Communication -- Shigeru Shimamoto (Waseda Univ.) IN2015-11 RCS2015-32 |
Wireless access schemes have been researched for a long time. It has started with ALOHA, the first-implemented random ac... [more] | IN2015-11 RCS2015-32 p.53(IN), p.47(RCS) |
| RCS, NS (Joint) |
2014-12-19 15:45 |
Mie | Iseshi-Kanko-Bunka-Kaikan (Mie) | Impact of Signal Intensity Differences on the BER Performance of Asynchronous Wireless Optical CDMA Systems Yusuke Yamamoto, Kentaro Kobayashi, Hiraku Okada, Masaaki Katayama (Nagoya Univ.) RCS2014-267 |
For asynchronous multiple access in optical wireless systems, we introduce optical CDMA technology.In wireless communica... [more] | RCS2014-267 pp.277-281 |
| ISEC, IT, WBS | 2014-03-10 13:20 |
Aichi | Nagoya Univ., Higashiyama Campus | Study on Visible Light CDMA Systems Using MUI Cancellers with Inverted MPSCs Tomoko K. Matsushima, Shiho Sasaki, Masaki Kakuyama, Shoichiro Yamasaki (Polytechnic Univ.), Yuya Murata (Tokyo Inst. of Tech.), Yasuaki Teramachi (Brain Functions Lab.) IT2013-70 ISEC2013-99 WBS2013-59 |
Visible light communication systems are suitable to realize secure indoor networks. In this paper, an optical CDMA schem... [more] | IT2013-70 ISEC2013-99 WBS2013-59 pp.101-106 |
| SIP, CAS, MSS, VLD | 2013-07-12 16:20 |
Kumamoto | Kumamoto Univ. | A Study on SIK Optical CDMA Communications Using Orthogonal Binary Sequence Shinsuke Murakami, Akio Tsuneda (Kumamoto Univ.) CAS2013-35 VLD2013-45 SIP2013-65 MSS2013-35 |
The SIK (sequence inversion keyed) CDMA system has been proposed as one of optical CDMA (code division multiple access) ... [more] | CAS2013-35 VLD2013-45 SIP2013-65 MSS2013-35 pp.195-199 |
| SIS | 2013-06-13 11:10 |
Kagoshima | Houzan Hall (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 |
| PN | 2013-03-12 14:10 |
Okinawa | Okinawa-ken Seinen-Kaikan | Prevention Properties of Optical-CDMA and Y-00 Quantum Stream Cipher against Signal Altenation Attacks Takehisa Iwakoshi, Osamu Hirota (Tamagawa Univ.) PN2012-89 |
In the modern society, mathematical ciphers are often used to protect transmitted data. However, there are possibilities... [more] | PN2012-89 pp.65-69 |
| CAS | 2013-01-29 15:15 |
Oita | Beppu International Convention Center | BER Evaluation of Asynchronous SIK Optical CDMA Communications Using Spreading Codes with Negative Auto-Correlation Seiji Araki, Akio Tsuneda (Kumamoto Univ.) CAS2012-88 |
The SIK (sequence inversion keyed) CDMA system has been proposed as one of optical CDMA (code division multiple access) ... [more] | CAS2012-88 pp.125-128 |
| OCS, OFT, ITE-BCT, IEE-CMN (Joint) [detail] |
2011-11-17 13:05 |
Shimane | Shimane Univ. | High security M-ary OCDMA system: principle demonstration and analysis of performance Takahiro Kodama (Osaka Univ.), Nobuyuki Kataoka, Naoya Wada (NICT), Gabriella Cincotti (Univ. Rome Tre), Xu Wang (Heriot-Watt Univ.), Ken-ichi Kitayama (Osaka Univ.) OCS2011-98 |
Optical code division multiplexing (OCDM) is a promising candidate for secure multiplexing systems. To improve data conf... [more] | OCS2011-98 pp.33-38 |
| OCS, OPE (Joint) |
2011-05-13 18:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Invited Talk]
Report on OFC/NFOEC 2011
-- Access Systems -- Naoki Suzuki (Mitsubishi Electric) OCS2011-10 OPE2011-14 |
This paper introduces hot topics of latest and innovative technologies regarding optical access systems reported on OFC/... [more] | OCS2011-10 OPE2011-14 pp.41-44(OCS), pp.27-30(OPE) |
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