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| Paper Abstract and Keywords | ||
| Presentation | 2022-06-16 10:00 Secure Precoded OFDM Transmission Using Randomized Unitary Matrix Naoki Isono, Kengo Ando, Koji Ishibashi (UEC)  RCS2022-42 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper considers a network consisting of a base station (BS), a legitimate user equipment (UE), and an eavesdropper (Eve) and propose a physical-layer security (PLS) scheme for down link transmissions with orthogonal frequency division multiplexing (OFDM). Specifically, assuming that the legitimate UE and the BS share a common random number generator, BS performs a frequency-domain OFDM symbol-wise precoding using a unitary matrix and a diagonal matrix with a emph{random phase shift}. The legitimate UE can equalize the received signals using emph{a prior} knowledge of the random phase shift and achieve the lower error rate performance by obtaining frequency diversity than one without the precoding. Whereas Eve has to estimate the phase shift besides the transmitted data from one OFDM symbol, which makes the eavesdropping significantly difficult. Numerical results quantitatively confirm that our proposed PLS is secure even against the Eve with strong side information in terms of bit error rate (BER) performances and information-theoretic secrecy rate. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Physical-layer security / unitary-precoded OFDM / secrecy rate / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 73, RCS2022-42, pp. 108-113, June 2022. | |
| Paper # | RCS2022-42 | |
| Date of Issue | 2022-06-08 (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 | RCS2022-42 |
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| Conference Information | |
| Committee | RCS |
| Conference Date | 2022-06-15 - 2022-06-17 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | University of the Ryukyus, Senbaru Campus 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 | 2022-06-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Secure Precoded OFDM Transmission Using Randomized Unitary Matrix |
| Sub Title (in English) | |
| Keyword(1) | Physical-layer security |
| Keyword(2) | unitary-precoded OFDM |
| Keyword(3) | secrecy rate |
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| 1st Author's Name | Naoki Isono |
| 1st Author's Affiliation | The University of Electro-Communications (UEC) |
| 2nd Author's Name | Kengo Ando |
| 2nd Author's Affiliation | The University of Electro-Communications (UEC) |
| 3rd Author's Name | Koji Ishibashi |
| 3rd Author's Affiliation | The University of Electro-Communications (UEC) |
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| Speaker | Author-1 |
| Date Time | 2022-06-16 10:00:00 |
| Presentation Time | 10 minutes |
| Registration for | RCS |
| Paper # | RCS2022-42 |
| Volume (vol) | vol.122 |
| Number (no) | no.73 |
| Page | pp.108-113 |
| #Pages | 6 |
| Date of Issue | 2022-06-08 (RCS) |
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