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| Presentation | 2022-10-20 13:30 Aggregation of BPSK Signals Using Coherent Interference for Modulation Format Conversion to 8QAM Signal Taiga Ishida, Hiroki Kishikawa, Junichi Fujikata (Tokushima Univ.)  OCS2022-18 OPE2022-64 LQE2022-27 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Modulation format conversion is useful for connecting networks with different modulation schemes. In this study, we propose a modulation format conversion from BPSK to 8QAM based on coherent interference using a delay interferometer. The BPSK format is usually used for optical communications in submarine communication networks, while the 8QAM format is expected to be applied to long-distance terrestrial communication networks due to its good balance of transmission capacity and reach. As for the conversion performance, the BER characteristics, constellation diagram, and the relationship between the propagation lengths of BPSK and 8QAM are calculated, and the results show that error-free conversion is possible. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | modulation format / BPSK / 8QAM / delay interferometer / phase modulator / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 217, OPE2022-64, pp. 5-9, Oct. 2022. | |
| Paper # | OPE2022-64 | |
| 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 | OCS2022-18 OPE2022-64 LQE2022-27 |
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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 | OPE |
| 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) | Aggregation of BPSK Signals Using Coherent Interference for Modulation Format Conversion to 8QAM Signal |
| Sub Title (in English) | |
| Keyword(1) | modulation format |
| Keyword(2) | BPSK |
| Keyword(3) | 8QAM |
| Keyword(4) | delay interferometer |
| Keyword(5) | phase modulator |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Taiga Ishida |
| 1st Author's Affiliation | Tokushima University (Tokushima Univ.) |
| 2nd Author's Name | Hiroki Kishikawa |
| 2nd Author's Affiliation | Tokushima University (Tokushima Univ.) |
| 3rd Author's Name | Junichi Fujikata |
| 3rd Author's Affiliation | Tokushima University (Tokushima Univ.) |
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| Speaker | Author-1 |
| Date Time | 2022-10-20 13:30:00 |
| Presentation Time | 25 minutes |
| Registration for | OPE |
| Paper # | OCS2022-18, OPE2022-64, LQE2022-27 |
| Volume (vol) | vol.122 |
| Number (no) | no.216(OCS), no.217(OPE), no.218(LQE) |
| Page | pp.5-9 |
| #Pages | 5 |
| Date of Issue | 2022-10-13 (OCS, OPE, LQE) |
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