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| Presentation | 2023-03-01 17:05 Basic Implementation of In-Band Full-Duplex Communication System with Self-Interference Cancellation Using Adaptive Filter Wei-Shun Liao, Ou Zhao, Keren Li, Hikaru Kawasaki, Takeshi Matsumura, Fumihide Kojima, Hiroshi Harada (NICT)  RCS2022-264 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | For beyond 5G wireless communication systems, in-band full-duplex (IBFD) is one of the important candidate technologies for realizing high capacity and low latency transmissions. However, in an IBFD system, the base station (BS) can perform uplink (UL) and downlink (DL) processes simultaneously, and hence there exists severe self-interference (SI) produced by the simultaneous UL and DL communications in the system. Therefore, to realize the IBFD system, it is necessary to deal with the SI problem. To cancel SI, adaptive filter is one of the possible candidates, which can be implemented with low cost and complexity. In our previous study [1], we proposed a digital SI cancellation method for IBFD system by using adaptive filter. To verify the performance of the method in our previous study [1], we implemented an IBFD system with 3-stage of SI cancellation: antenna, analog circuit, and digital cancellation in this study. From the experiment results, it can be seen that our implemented system can finally offer significant SI cancellation performance, so that the demodulated output can reach $10^{-2}$ bit error rate (BER) level. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | In-Band Full-duplex (IBFD) systems / self-interference (SI) / adaptive filter / system implementation / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 399, RCS2022-264, pp. 100-105, March 2023. | |
| Paper # | RCS2022-264 | |
| Date of Issue | 2023-02-22 (RCS) | |
| 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 | RCS2022-264 |
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| Conference Information | |
| Committee | RCS SR SRW |
| Conference Date | 2023-03-01 - 2023-03-03 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tokyo Institute of Technology, and Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Mobile Communication Workshop |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2023-03-RCS-SR-SRW |
| Language | English (Japanese title is available) |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Basic Implementation of In-Band Full-Duplex Communication System with Self-Interference Cancellation Using Adaptive Filter |
| Sub Title (in English) | |
| Keyword(1) | In-Band Full-duplex (IBFD) systems |
| Keyword(2) | self-interference (SI) |
| Keyword(3) | adaptive filter |
| Keyword(4) | system implementation |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Wei-Shun Liao |
| 1st Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 2nd Author's Name | Ou Zhao |
| 2nd Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 3rd Author's Name | Keren Li |
| 3rd Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 4th Author's Name | Hikaru Kawasaki |
| 4th Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 5th Author's Name | Takeshi Matsumura |
| 5th Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 6th Author's Name | Fumihide Kojima |
| 6th Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 7th Author's Name | Hiroshi Harada |
| 7th Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
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| Speaker | Author-1 |
| Date Time | 2023-03-01 17:05:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2022-264 |
| Volume (vol) | vol.122 |
| Number (no) | no.399 |
| Page | pp.100-105 |
| #Pages | 6 |
| Date of Issue | 2023-02-22 (RCS) |
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