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Paper Abstract and Keywords
Presentation 2023-03-01 10:25
Relay Decision Algorithm for Broadcast Transmission in 5G mmWave Sidelink Communication
Ryogo Okura, Yusuke Koda, Hiroshi Harada (Kyoto Univ.) SRW2022-44
Abstract (in Japanese) (See Japanese page) 
(in English) This report proposes a distributed relay decision algorithm with/for fifth generation (5G) millimeter wave (mmWave) sidelink broadcast communications. MmWave communications generally suffer from a large degradation on received power caused by a line-of-sight (LoS) blockage effect, which not only largely deteriorates the performance in user equipments (UEs), but also yields even blind spots for UEs. The proposed algorithm serves as a foundation to solve this issue by relaying packets to UEs potentially subject to blockage effects. The proposed algorithm is based on the 5G device-to-device communication termed sidelink and is compatible with the 5G physical layer specifications. The core idea behind the proposed algorithm is in the estimation part of potential receive failure due to blockage effects in proximity UEs based on the demodulation reference signal-based channel estimation. This allows each UE to estimate whether blind spots are potentially yielded in proximity; thereby performing a relay effectively. Numerical evaluation demonstrates an improvement in the number of UEs with a success reception relative to without the relaying, highlighting the effectiveness of relaying.
Keyword (in Japanese) (See Japanese page) 
(in English) 5G / 6G / sidelink / mmWave communication / single hop / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 401, SRW2022-44, pp. 2-7, March 2023.
Paper # SRW2022-44 
Date of Issue 2023-02-22 (SRW) 
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 SRW2022-44

Conference Information
Committee RCS SR SRW  
Conference Date 2023-03-01 - 2023-03-03 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo Institute of Technology, and Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Communication Workshop 
Paper Information
Registration To SRW 
Conference Code 2023-03-RCS-SR-SRW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Relay Decision Algorithm for Broadcast Transmission in 5G mmWave Sidelink Communication 
Sub Title (in English)  
Keyword(1) 5G  
Keyword(2) 6G  
Keyword(3) sidelink  
Keyword(4) mmWave communication  
Keyword(5) single hop  
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Keyword(8)  
1st Author's Name Ryogo Okura  
1st Author's Affiliation Kyoto University (Kyoto Univ.)
2nd Author's Name Yusuke Koda  
2nd Author's Affiliation Kyoto University (Kyoto Univ.)
3rd Author's Name Hiroshi Harada  
3rd Author's Affiliation Kyoto University (Kyoto Univ.)
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Speaker Author-1 
Date Time 2023-03-01 10:25:00 
Presentation Time 25 minutes 
Registration for SRW 
Paper # SRW2022-44 
Volume (vol) vol.122 
Number (no) no.401 
Page pp.2-7 
#Pages 6 
Date of Issue 2023-02-22 (SRW) 

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