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| Presentation | 2012-01-27 10:15 Faster Polarization Tracking with Feedback Method in Polarization-Division-Multiplexed Transmission Systems with Multiple-Input Multiple-Output Processing Koki Takeshima, Hidenori Takahashi, Itsuro Morita (KDDI Labs.), Hideaki Tanaka (Toyota ITC)  CS2011-92 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Polarization-division-multiplexing (PDM) has received widespread attention as an effective way to double spectral efficiency in optical transmission systems. Recently it has been shown that in combination with coherent detection, PDM systems can be described as multiple-input multiple-output (MIMO) systems. For PDM systems with MIMO processing, channel estimation is required at receivers. One of the methods used to enable the channel estimation is periodically inserting a piece of known data, namely training symbol (TS) in data stream at transmitters. In this polarization demultiplexing method, the channel estimation error may increase when the channel variance due to a state of polarization (SOP) change is large within TS spacing. In this paper, we experimentally evaluate tolerable SOP changing speed, and propose a faster polarization tracking with feedback method to tolerate larger SOP changes. Based on the experimental results, we confirm that the proposed method can improve the tolerance for SOP changes compared to a conventional non-feedback method. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Polarization-division-multiplexing / MIMO processing / Polarization demultiplexing / Training symbol / Feedback / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 410, CS2011-92, pp. 61-66, Jan. 2012. | |
| Paper # | CS2011-92 | |
| Date of Issue | 2012-01-19 (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) | |
| Download PDF | CS2011-92 |
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| Conference Information | |
| Committee | CS OCS |
| Conference Date | 2012-01-26 - 2012-01-27 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | ISESHI-KANKOUBUNKAKAIKAN |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Core/metro system, Optical access system/next generation PON, Broadband access system, (Wide area)Ethernet, Optical transport network(OTN), High-speed interface, Analog optaical transmission, Quantum communication etc. |
| Paper Information | |
| Registration To | CS |
| Conference Code | 2012-01-CS-OCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Faster Polarization Tracking with Feedback Method in Polarization-Division-Multiplexed Transmission Systems with Multiple-Input Multiple-Output Processing |
| Sub Title (in English) | |
| Keyword(1) | Polarization-division-multiplexing |
| Keyword(2) | MIMO processing |
| Keyword(3) | Polarization demultiplexing |
| Keyword(4) | Training symbol |
| Keyword(5) | Feedback |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Koki Takeshima |
| 1st Author's Affiliation | KDDI R&D Laboratories Inc. (KDDI Labs.) |
| 2nd Author's Name | Hidenori Takahashi |
| 2nd Author's Affiliation | KDDI R&D Laboratories Inc. (KDDI Labs.) |
| 3rd Author's Name | Itsuro Morita |
| 3rd Author's Affiliation | KDDI R&D Laboratories Inc. (KDDI Labs.) |
| 4th Author's Name | Hideaki Tanaka |
| 4th Author's Affiliation | Toyota InfoTechnology Center, Co., Ltd. (Toyota ITC) |
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| Speaker | Author-1 |
| Date Time | 2012-01-27 10:15:00 |
| Presentation Time | 25 minutes |
| Registration for | CS |
| Paper # | CS2011-92 |
| Volume (vol) | vol.111 |
| Number (no) | no.410 |
| Page | pp.61-66 |
| #Pages | 6 |
| Date of Issue | 2012-01-19 (CS) |
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