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Paper Abstract and Keywords
Presentation 2020-11-26 09:20
A Construction Method of Overloaded Physical-Layer Network Coding
Tomoya Tanikawa, Satoshi Denno, Yafei Hou (Okayama University) SRW2020-26
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes a physical-layer network coding for MIMO two-way two-hop networks that achieves high speed communication independent of the number of antennas on the relay.
Especially show a configuration method for the case where the number of antennas of the relay is less than that of the terminal. In other words, high speed communication is achieved by spatial multiplexing over the number of antennas of the relay.
Therefore, in the proposed method, precoding is performed not only at the time of terminal transmission but also at the time of relay transmission.
In order to achieve high quality spatial multiplexing with the number of terminal antennas, I propose a new non-linear precoding using lattice reduction. In addition, I propose a new precoding method for broadcasting from a relay to two terminals.
The characteristics of the proposed method were evaluated by computer simulation, and good performance was obtained even under overload conditions of 4 terminal antennas and 2 relay antennas.
Keyword (in Japanese) (See Japanese page) 
(in English) Physical-Layer Network Coding / overload / precoding / singular value decomposition / lattice reduction / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 260, SRW2020-26, pp. 7-12, Nov. 2020.
Paper # SRW2020-26 
Date of Issue 2020-11-19 (SRW) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 SRW2020-26

Conference Information
Committee SRW SeMI CNR  
Conference Date 2020-11-26 - 2020-11-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) IoT Workshop 
Paper Information
Registration To SRW 
Conference Code 2020-11-SRW-SeMI-CNR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Construction Method of Overloaded Physical-Layer Network Coding 
Sub Title (in English)  
Keyword(1) Physical-Layer Network Coding  
Keyword(2) overload  
Keyword(3) precoding  
Keyword(4) singular value decomposition  
Keyword(5) lattice reduction  
1st Author's Name Tomoya Tanikawa  
1st Author's Affiliation Okayama University (Okayama University)
2nd Author's Name Satoshi Denno  
2nd Author's Affiliation Okayama University (Okayama University)
3rd Author's Name Yafei Hou  
3rd Author's Affiliation Okayama University (Okayama University)
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Date Time 2020-11-26 09:20:00 
Presentation Time 20 
Registration for SRW 
Paper # IEICE-SRW2020-26 
Volume (vol) IEICE-120 
Number (no) no.260 
Page pp.7-12 
#Pages IEICE-6 
Date of Issue IEICE-SRW-2020-11-19 

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