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| Presentation | 2011-07-07 13:00 [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 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Optical orthogonal codes (OOC) have been studied by many researchers to increase its flexibility such as variable code length and variable code weight. Recently, the authors have proposed OOCs with variable chip rates, which can keep orthogonal properties of strict OOC even when different chip rate codes are used in the same optical access network for multiplexing in a fiber. The authors studies the random code search, the upper bound of code size, BER performance analysis based on pulse density and tight calculations, and so on. In this paper, the OOCs with variable chip rates are reviewed. For an algebraic code construction, some approach of code design using the BIBD sequences is introduced. Some issues related to asymmetry of pulse interval distributions are discussed. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Optical CDMA / Optical orthogonal codes / Variable chip rate / Optical access networks / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 117, CS2011-15, pp. 29-34, July 2011. | |
| Paper # | CS2011-15 | |
| Date of Issue | 2011-06-30 (CS) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Notes on Review | This article is a technical report without peer review, and its polished version will be published elsewhere. | |
| Download PDF | CS2011-15 |
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| Conference Information | |
| Committee | CS |
| Conference Date | 2011-07-07 - 2011-07-08 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kumejima |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Next generation networks, access network, broadband access system, power-line communications, wireless communication systems, coding system, etc. |
| Paper Information | |
| Registration To | CS |
| Conference Code | 2011-07-CS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study on Design of Optical Orthogonal Codes with Variable Chip Rates |
| Sub Title (in English) | Some Issues Related to Asymmetry of Pulse Interval Distributions |
| Keyword(1) | Optical CDMA |
| Keyword(2) | Optical orthogonal codes |
| Keyword(3) | Variable chip rate |
| Keyword(4) | Optical access networks |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Tetsuo Tsujioka |
| 1st Author's Affiliation | Osaka City University (Osaka City Univ.) |
| 2nd Author's Name | Hiromi Yamamoto |
| 2nd Author's Affiliation | Osaka City University (Osaka City Univ.) |
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| Speaker | Author-1 |
| Date Time | 2011-07-07 13:00:00 |
| Presentation Time | 25 minutes |
| Registration for | CS |
| Paper # | CS2011-15 |
| Volume (vol) | vol.111 |
| Number (no) | no.117 |
| Page | pp.29-34 |
| #Pages | 6 |
| Date of Issue | 2011-06-30 (CS) |
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