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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| IT, ISEC, RCC, WBS | 2022-03-11 12:00 |
Online | Online | Optical Fingerprint Positioning System for VN-CSK Type Parallel Transmission Using RGB-LED Koki Taruishi, Daisuke Ogawa, Yusuke Kozawa, Hiromasa Habuchi (Ibaraki Univ.)  IT2021-119 ISEC2021-84 WBS2021-87 RCC2021-94 |
A variable N-parallel code shift keying system has been proposed as realizing the multiple-access function, the dimming ... [more] | IT2021-119 ISEC2021-84 WBS2021-87 RCC2021-94 pp.216-220 |
| WBS, RCC, SAT, MICT (Joint) [detail] |
2021-05-21 10:35 |
Online | Online (Zoom) | Location Dependence of Error Rate Performance in VN-CSK Type RGB Parallel Transmission Koki Taruishi, Yusuke Kozawa, Hiromasa Habuchi (Ibaraki Univ.) WBS2021-15 RCC2021-15 SAT2021-13 MICT2021-11 |
The variable N-parallel code-shift-keying (VN-CSK) system, which has dimming control function, positioning function, and... [more] | WBS2021-15 RCC2021-15 SAT2021-13 MICT2021-11 pp.77-82(WBS), pp.77-82(RCC), pp.65-70(SAT), pp.55-60(MICT) |
| ITS, WBS, RCC | 2020-12-14 14:25 |
Online | Online | RGB Parallel Transmission Using Two PN Codes with Positioning and Dimming Functions Koki Taruishi, Yusuke Kozawa, Hiromasa Habuchi (Ibaraki Univ.) WBS2020-17 ITS2020-13 RCC2020-20 |
A variable N code shift keying (VN-CSK) is a method of optical wireless communication that enables the communication fun... [more] | WBS2020-17 ITS2020-13 RCC2020-20 pp.53-56 |
| 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 |
| 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 |
| WBS, MICT | 2019-07-16 16:10 |
Ibaraki | Ibaraki University(Mito Campus) | A Study on Optical Wireless Code Shift Keying Using Pseudo-Orthogonal Extended Einarsson Code Tomofumi Haruna, Hiromasa Habuchi, Yusuke Kozawa (Iba Univ.) WBS2019-19 MICT2019-20 |
As one of the multilevel modulation systems, the optical-wireless code shift keying (CSK) system, which utilizes the sev... [more] | WBS2019-19 MICT2019-20 pp.51-54 |
| RCS, SIP, IT | 2019-01-31 12:30 |
Osaka | Osaka University | 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 |
| WBS, MICT | 2018-07-06 13:55 |
Kanagawa | Yokohama Mitsui Building | BER Considering Synchronization Performance Optical Wireless CSK System Using DMPOMs Takashi Tokunaga, Ran Sun, Hiromasa Habuchi, Yusuke Kozawa (Ibaraki Univ.) WBS2018-17 MICT2018-37 |
The code-shift-keying (CSK) system using dual modified pseudo orthogonal M-sequence sets (DMPOMs) which are generated by... [more] | WBS2018-17 MICT2018-37 pp.65-70 |
| OFT, OCS, IEE-CMN, ITE-BCT [detail] | 2017-11-23 15:25 |
Osaka | Kansa-Univ. Umeda Campus | A Study on EXIT Chart Based Design of Low-Density Parity-Check Codes for Iterative Soft Beat Interference Canceller in Pilot-Assisted Optical-OFDM Noboru Osawa, Shinsuke Ibi, Koji Igarashi, Seiichi Sampei (Osaka Univ.) OCS2017-60 |
This paper proposes a low density parity check (LDPC) code design based on extrinsic information transfer (EXIT) chart a... [more] | OCS2017-60 pp.17-22 |
| WBS | 2017-10-13 09:35 |
Wakayama | Rivage Spa Hikigawa (Nanki Shirahama) | On Suitable Pseudo-Noise Code for Optical-Wireless CSK-MPPM System Masayuki Ishikawa, Hiromasa Habuchi, Yusuke Kozawa (Ibaraki Univ.) WBS2017-30 |
The author proposed a hierarchical modulation for road to vehicle communication. The CSK-MPPM system which combines code... [more] | WBS2017-30 pp.39-44 |
| 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 |
| WBS | 2016-10-06 13:00 |
Kanagawa | National Defense Academy | [Poster Presentation]
Influence of spread codes on the performance of the wireless optical CDMA system with variable threshold hard limiters Yamamoto Yusuke, Kobayashi Kentaro, Okada Hiraku, Katayama Masaaki (Nagoya Univ.) WBS2016-40 |
The system discussed in this report is a data collection system using wireless optical CDMA (Code Division Multiple Acce... [more] | WBS2016-40 pp.47-52 |
| 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 |
| CS | 2013-07-04 11:40 |
Okinawa | Fukugogata-Kokyo-Shisetsu (Yonaguni Island) | A Study on Optical Orthogonal Codes with Multiple Bit Rates and Multiple Chip Rates Tetsuo Tsujioka (Osaka City Univ.) CS2013-14 |
The author has investigated the new optical orthogonal codes (OOCs) with not only multiple chip rates but also multiple ... [more] | CS2013-14 pp.35-39 |
| IT | 2012-07-19 15:05 |
Aichi | Toyota Technological Institute | Modification of Gold sequences for Optical CDM Satoru Aoyama, Shogo Usami (Meijo Univ.) IT2012-12 |
One of multiplexing scheme for optical communication is Optical Code Division Multiplexing (O-CDM). In O-CDM, there a... [more] |
IT2012-12 pp.19-23 |
| CS | 2012-07-12 09:35 |
Kagoshima | China-cho-Kominkan (Okinoerabu Island) | A Study on Variable Chip Rate Optical Orthogonal Codes with Unequal Bit Rates Tetsuo Tsujioka (Osaka City Univ.) CS2012-25 |
Optical orthogonal codes (OOC) have been studied by many researchers to improve its flexibility such as variable code le... [more] | CS2012-25 pp.11-15 |
| SAT, WBS (Joint) |
2012-05-24 13:00 |
Iwate | Iwate Prefectural University | [Encouragement Talk]
Advanced Optical Intensity Modulation with Pseudo-Noise Code Yusuke Kozawa (Tokyo Univ. of Science) WBS2012-1 |
In this paper, N-CSK (N parallel Codes Shift Keying) using modified pseudo orthogonal M-sequence sets (MPOMS) for applyi... [more] | WBS2012-1 pp.1-6 |
| CS | 2011-07-07 13:00 |
Okinawa | Kumejima | [Invited Talk]
A Study on Design of Optical Orthogonal Codes with Variable Chip Rates
-- Some Issues Related to Asymmetry of Pulse Interval Distributions -- Tetsuo Tsujioka, Hiromi Yamamoto (Osaka City Univ.) CS2011-15 |
Optical orthogonal codes (OOC) have been studied by many researchers to increase its flexibility such as variable code l... [more] | CS2011-15 pp.29-34 |
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