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| Paper Abstract and Keywords | ||
| Presentation | 2022-10-20 15:10 Signal Phase Recovery Using Digital Signal Processing in Optical Wireless Communication Systems Ryoma Murakami, Shiro Ryu (Meiji Univ.)  OCS2022-21 OPE2022-67 LQE2022-30 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Research and development of optical wireless communication systems has been active. Optical receivers usually use a phase-locked loop (PLL) to regenerate the clock, but recent advances in digital signal processing technology have made phase-locking without a PLL possible. However, recent advances in digital signal processing technology have made phase-locking without a PLL possible. Therefore, in this paper, software-based signal phase regeneration processes such as M-th power phase estimation method and decision-directed phase estimation method has been applied to multi-level modulation scheme experiments. Moreover, experiments using a simultaneous clock transmission method, in which clock signal is simultaneously transmitted with a different wavelength from a signal wave were conducted. As a result, it was confirmed that stable communication is possible within a certain distance without using PLL in the multi-level modulation scheme. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Optical Wireless Communications / Phase Estimation / Clock Recovery / PLL / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 216, OCS2022-21, pp. 22-27, Oct. 2022. | |
| Paper # | OCS2022-21 | |
| Date of Issue | 2022-10-13 (OCS, OPE, LQE) | |
| ISSN | 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 | OCS2022-21 OPE2022-67 LQE2022-30 |
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| Conference Information | |
| Committee | OPE OCS LQE |
| Conference Date | 2022-10-20 - 2022-10-21 |
| 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 | 2022-10-OPE-OCS-LQE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Signal Phase Recovery Using Digital Signal Processing in Optical Wireless Communication Systems |
| Sub Title (in English) | |
| Keyword(1) | Optical Wireless Communications |
| Keyword(2) | Phase Estimation |
| Keyword(3) | Clock Recovery |
| Keyword(4) | PLL |
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| 1st Author's Name | Ryoma Murakami |
| 1st Author's Affiliation | Meiji University (Meiji Univ.) |
| 2nd Author's Name | Shiro Ryu |
| 2nd Author's Affiliation | Meiji University (Meiji Univ.) |
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| Speaker | Author-1 |
| Date Time | 2022-10-20 15:10:00 |
| Presentation Time | 25 minutes |
| Registration for | OCS |
| Paper # | OCS2022-21, OPE2022-67, LQE2022-30 |
| Volume (vol) | vol.122 |
| Number (no) | no.216(OCS), no.217(OPE), no.218(LQE) |
| Page | pp.22-27 |
| #Pages | 6 |
| Date of Issue | 2022-10-13 (OCS, OPE, LQE) |
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