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| Presentation | 2023-06-16 09:50 A Study on Blind Self-Interference Canceller with Adaptive Differential Delay for IBFD in Frequency-Selective Fading Channels Koichi Nishikawa, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.)  RCS2023-67 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Self Interference (SI) cancellation is essential to realize in-band full duplex (IBFD) communications. As a method of the SI cancellation, active SI canceller (ASIC) has been proposed, in which a replica of the SI signal is generated and subtracted from the received signal. However, the replica generation requires accurate and periodic CSI (Channel State Information) estimation, which is inefficient in wireless Internet of things (IoT) communication scenarios where communication requests occur randomly. To address this problem, differential analog self interference canceller (DASIC) without requiring prior CSI estimation of SI has been proposed. However, due to the effects of delayed waves, SI cannot be completely eliminated in frequency-selective fading channels. This paper proposes a method to blindly remove the residual SI component by adaptively controlling the interval of differential delay that can be set in the DASIC algorithm according to the appearance pattern of its own transmission signal, and evaluates the effectiveness in terms of the of the bit error rate (BER). |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | In-band full-duplex / self interference canceller / frequency-selective fading channel / adaptive differential delay / successive detection / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 123, no. 76, RCS2023-67, pp. 229-234, June 2023. | |
| Paper # | RCS2023-67 | |
| Date of Issue | 2023-06-07 (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 | RCS2023-67 |
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| Conference Information | |
| Committee | RCS |
| Conference Date | 2023-06-14 - 2023-06-16 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hokkaido University, and online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | First Presentation in IEICE Technical Committee, Resource Control, Scheduling, Wireless Communications, etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2023-06-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study on Blind Self-Interference Canceller with Adaptive Differential Delay for IBFD in Frequency-Selective Fading Channels |
| Sub Title (in English) | |
| Keyword(1) | In-band full-duplex |
| Keyword(2) | self interference canceller |
| Keyword(3) | frequency-selective fading channel |
| Keyword(4) | adaptive differential delay |
| Keyword(5) | successive detection |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Koichi Nishikawa |
| 1st Author's Affiliation | Doshisha University (Doshisha Univ.) |
| 2nd Author's Name | Shinsuke Ibi |
| 2nd Author's Affiliation | Doshisha University (Doshisha Univ.) |
| 3rd Author's Name | Takumi Takahashi |
| 3rd Author's Affiliation | Osaka University (Osaka Univ.) |
| 4th Author's Name | Hisato Iwai |
| 4th Author's Affiliation | Doshisha University (Doshisha Univ.) |
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| Speaker | Author-1 |
| Date Time | 2023-06-16 09:50:00 |
| Presentation Time | 10 minutes |
| Registration for | RCS |
| Paper # | RCS2023-67 |
| Volume (vol) | vol.123 |
| Number (no) | no.76 |
| Page | pp.229-234 |
| #Pages | 6 |
| Date of Issue | 2023-06-07 (RCS) |
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