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| Presentation | 2019-10-18 09:55 Degradation of Achievable Information Rate due to Phase Noise in Optical Coherent Systems Song Zhiyuan, Koji Igarashi (Osaka Univ.)  OCS2019-41 OPE2019-79 LQE2019-57 Link to ES Tech. Rep. Archives: OPE2019-79 LQE2019-57 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Achievable information rate (AIR) is perfect tool to evaluate the number of the reliably-transmitted information bits per symbol in coded modulation schemes. In the conventional coded modulation, so-called bit-interleaved coded modulation (BICM), AIR is defined by generalized mutual information (GMI) of the binary data recovered from the received symbols through a demapper. In the multilevel coded modulation (MLCM), AIR is determined from mutual information (MI) of the received symbols. In the optical coherent system, the impairment due to the laser phase noise is inevitable. The remained phase fluctuation cannot be negligible even after carrier-phase estimation. In this work, we numerically calculate MI in the presence of laser phase noise for the 16, 64, and 256QAM constellation points. We point out that MI is remarkably degraded due to the residual phase fluctuation in the MLCM system with high-order QAM constellation. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | coherent optical reception / coded modulation / forward error correction / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 229, OCS2019-41, pp. 73-76, Oct. 2019. | |
| Paper # | OCS2019-41 | |
| Date of Issue | 2019-10-10 (OCS, OPE, LQE) | |
| 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 | OCS2019-41 OPE2019-79 LQE2019-57 Link to ES Tech. Rep. Archives: OPE2019-79 LQE2019-57 |
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| Conference Information | |
| Committee | OCS LQE OPE |
| Conference Date | 2019-10-17 - 2019-10-18 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | OCS |
| Conference Code | 2019-10-OCS-LQE-OPE |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Degradation of Achievable Information Rate due to Phase Noise in Optical Coherent Systems |
| Sub Title (in English) | |
| Keyword(1) | coherent optical reception |
| Keyword(2) | coded modulation |
| Keyword(3) | forward error correction |
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| 1st Author's Name | Song Zhiyuan |
| 1st Author's Affiliation | Osaka University (Osaka Univ.) |
| 2nd Author's Name | Koji Igarashi |
| 2nd Author's Affiliation | Osaka University (Osaka Univ.) |
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| Speaker | Author-1 |
| Date Time | 2019-10-18 09:55:00 |
| Presentation Time | 25 minutes |
| Registration for | OCS |
| Paper # | OCS2019-41, OPE2019-79, LQE2019-57 |
| Volume (vol) | vol.119 |
| Number (no) | no.229(OCS), no.230(OPE), no.231(LQE) |
| Page | pp.73-76 |
| #Pages | 4 |
| Date of Issue | 2019-10-10 (OCS, OPE, LQE) |
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