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| Presentation | 2017-10-13 10:00 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 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In direct-detection synchronous optical CDMA systems, unipolar codes are used as signature codes. Available number of signature sequences in an orthogonal code is much smaller than that in a non-orthogonal code with the same codeweight. However, orthogonal codes are far less vulnerable to MUI than non-orthogonal codes. Recently, several kinds of MUI cancellation techniques have been proposed for synchronous optical CDMA systems. All these techniques utilize MPSCs, which is a class of non-orthogonal codes. In this paper, we show the conditions for non-orthogonal codes to be applied to such MUI cancellation techniques. It is shown that not only MPSCs but also other non-orthogonal codes can be used in Shalaby's scheme and the EWO scheme. Furthermore, we investigate the bit error rate performances of synchronous optical CDMA systems with MUI cancellation under the condition that background noise, thermal noise and APD noise are taken into account. The results show that there are three major factors which affect bit error rate performance of synchronous optical CDMA systems. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Optical CDMA / Signature code / MPSC / MUI / Interference cancellation / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 234, WBS2017-31, pp. 45-50, Oct. 2017. | |
| Paper # | WBS2017-31 | |
| Date of Issue | 2017-10-05 (WBS) | |
| 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) | |
| Download PDF | WBS2017-31 |
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| Conference Information | |
| Committee | WBS |
| Conference Date | 2017-10-12 - 2017-10-13 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Rivage Spa Hikigawa (Nanki Shirahama) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Visual Light Communiation, Poster Session, etc. |
| Paper Information | |
| Registration To | WBS |
| Conference Code | 2017-10-WBS |
| Language | English (Japanese title is available) |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study on Signature Codes and Bit Error Rate Performance of Synchronous Optical CDMA with MUI Cancellation |
| Sub Title (in English) | |
| Keyword(1) | Optical CDMA |
| Keyword(2) | Signature code |
| Keyword(3) | MPSC |
| Keyword(4) | MUI |
| Keyword(5) | Interference cancellation |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Tomoko K. Matsushima |
| 1st Author's Affiliation | Polytechnic University (Polytechnic Univ.) |
| 2nd Author's Name | Agus Susilo |
| 2nd Author's Affiliation | Polytechnic University (Polytechnic Univ.) |
| 3rd Author's Name | Ryo Kawamoto |
| 3rd Author's Affiliation | Polytechnic University (Polytechnic Univ.) |
| 4th Author's Name | Shinichiro Miyazaki |
| 4th Author's Affiliation | Polytechnic University (Polytechnic Univ.) |
| 5th Author's Name | Kotoku Omura |
| 5th Author's Affiliation | Polytechnic University (Polytechnic Univ.) |
| 6th Author's Name | Shoichiro Yamasaki |
| 6th Author's Affiliation | Polytechnic University (Polytechnic Univ.) |
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| Speaker | Author-1 |
| Date Time | 2017-10-13 10:00:00 |
| Presentation Time | 25 minutes |
| Registration for | WBS |
| Paper # | WBS2017-31 |
| Volume (vol) | vol.117 |
| Number (no) | no.234 |
| Page | pp.45-50 |
| #Pages | 6 |
| Date of Issue | 2017-10-05 (WBS) |
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