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Paper Abstract and Keywords
Presentation 2024-10-17 16:25
A Study on Suppression of Information Leakage to Potential Eavesdroppers in Network-Assisted Full-Duplex Cell-Free Massive MIMO Systems
Koushi Okui (UEC), Kengo Ando, Giuseppe Abreu (CU), Koji Ishibashi (UEC) RCS2024-142
Abstract (in Japanese) (See Japanese page) 
(in English) This paper investigates the design of clustering and beamforming to suppress unintended information leakage to other users in a network-assisted full-duplex (NAFD) cell-free massive MIMO system. In the proposed method, each user considers all other users as potential eavesdroppers, and the corresponding secrecy capacity is defined as the difference between the intended user's capacity and the maximum capacity among other users. By maximizing this secrecy capacity, the proposed method suppresses information leakage to other users while maintaining high spectral efficiency (SE) for each user terminal. As a result, the proposed approach achieves approximately double the SE and secrecy capacity compared to conventional method.
Keyword (in Japanese) (See Japanese page) 
(in English) cell-free massive MIMO / network-assisted full duplex (NAFD) / convex optimization / fractional programming / / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 216, RCS2024-142, pp. 39-44, Oct. 2024.
Paper # RCS2024-142 
Date of Issue 2024-10-10 (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 RCS2024-142

Conference Information
Committee RCS  
Conference Date 2024-10-17 - 2024-10-18 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wireless Communication Schemes, Wireless Communication Systems, Wireless Standards, Future Wireless Systems, etc. 
Paper Information
Registration To RCS 
Conference Code 2024-10-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Suppression of Information Leakage to Potential Eavesdroppers in Network-Assisted Full-Duplex Cell-Free Massive MIMO Systems 
Sub Title (in English)  
Keyword(1) cell-free massive MIMO  
Keyword(2) network-assisted full duplex (NAFD)  
Keyword(3) convex optimization  
Keyword(4) fractional programming  
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1st Author's Name Koushi Okui  
1st Author's Affiliation The University of Electro-Communications (UEC)
2nd Author's Name Kengo Ando  
2nd Author's Affiliation Constructor University (CU)
3rd Author's Name Giuseppe Abreu  
3rd Author's Affiliation Constructor University (CU)
4th Author's Name Koji Ishibashi  
4th Author's Affiliation The University of Electro-Communications (UEC)
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Speaker Author-1 
Date Time 2024-10-17 16:25:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2024-142 
Volume (vol) vol.124 
Number (no) no.216 
Page pp.39-44 
#Pages 6 
Date of Issue 2024-10-10 (RCS) 

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