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| Presentation | 2021-01-22 13:20 A Study on Self-Interference Canceller Based In-Band Full-Duplex using Software Defined Radio in Pilot Contamination Environments Kensuke Tomita, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.)  IT2020-93 SIP2020-71 RCS2020-184 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | IBFD (In-Band Full-Duplex), which is a new communication technology attracting attention for future wireless communication systems, can transmit and receive signals simultaneously in the same frequency band. For realizing IBFD, SI (Self-Interference) cancelation is essential. SI is eliminated by subtracting a replica of SI from the received signal. For generating the replica, the CSI (Channel State Information) of SI has to be estimated accurately by a pilot sequence. The estimated CSI helps in generating SI replica with the aid of own transmitted signals which are known in each receiver. However, SI cannot be removed, and detection capability deteriorates without accurate CSI. Especially in pilot contamination environments, it is hard to obtain reliable CSI due to nonorthogonality of the pilot signals. Therefore, in this pa-per, we proposed a DASIC (Differential Active SI Canceller) incorporating the principle of differential codec without CSI estimation. The validity of the DASIC is demonstrated by experimental results using software defined radio USRP (Universal Software Radio Peripheral). | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Full-duplex / Pilot contamination / Self-interference canceller / Differential encoding / Software defined radio / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 120, no. 322, RCS2020-184, pp. 164-169, Jan. 2021. | |
| Paper # | RCS2020-184 | |
| Date of Issue | 2021-01-14 (IT, SIP, 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 | IT2020-93 SIP2020-71 RCS2020-184 |
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| Conference Information | |
| Committee | SIP IT RCS |
| Conference Date | 2021-01-21 - 2021-01-22 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2021-01-SIP-IT-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study on Self-Interference Canceller Based In-Band Full-Duplex using Software Defined Radio in Pilot Contamination Environments |
| Sub Title (in English) | |
| Keyword(1) | Full-duplex |
| Keyword(2) | Pilot contamination |
| Keyword(3) | Self-interference canceller |
| Keyword(4) | Differential encoding |
| Keyword(5) | Software defined radio |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kensuke Tomita |
| 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 | 2021-01-22 13:20:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | IT2020-93, SIP2020-71, RCS2020-184 |
| Volume (vol) | vol.120 |
| Number (no) | no.320(IT), no.321(SIP), no.322(RCS) |
| Page | pp.164-169 |
| #Pages | 6 |
| Date of Issue | 2021-01-14 (IT, SIP, RCS) |
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