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Paper Abstract and Keywords
Presentation 2019-12-19 09:40
A Study on Repetition Control Method Using Terminal Mobility for Uplink Grant-Free URLLC
Shinichi Ozaku, Yukiko Shimbo, Hirofumi Suganuma, Fumiaki Maehara (Waseda Univ.) RCS2019-238
Abstract (in Japanese) (See Japanese page) 
(in English) K-repetitions method, which transmits the same packet a predetermined number of times, is a promising approach for uplink grant-free ultra-reliable and low latency communications (URLLC) in the fifth-generation mobile communications systems (5G). In K-repetitions method, there is an inherent problem that the improvement of reliability is restricted by packet collision among mobile stations with excessive repetitions. In this report, we propose a repetition control method using terminal mobility to alleviate such packet collision. The feature of the proposed method is to reduce the number of repetitions while retaining reliability, which is inspired by the fact that high terminal mobility can exploit the large time diversity benefit. Moreover, the effectiveness of our proposed method is demonstrated in comparison with the traditional K-repetitions method by means of computer simulations.
Keyword (in Japanese) (See Japanese page) 
(in English) URLLC / grant-free / K-repetitions / terminal mobility / time diversity / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 345, RCS2019-238, pp. 7-11, Dec. 2019.
Paper # RCS2019-238 
Date of Issue 2019-12-12 (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)
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Conference Information
Committee NS RCS  
Conference Date 2019-12-19 - 2019-12-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokushima Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Multi-hop/Relay/Cooperation, Disaster-resistant wireless network, Sensor/Mesh network, Ad-hoc network, D2D/M2M, Wireless network coding, Handover/AP switching/Connected cell control/Load balancing among base stations/Mobile network dynamic reconfiguration, QoS/QoE assurance, Wireless VoIP, IoT, Edge computing, etc. 
Paper Information
Registration To RCS 
Conference Code 2019-12-NS-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Repetition Control Method Using Terminal Mobility for Uplink Grant-Free URLLC 
Sub Title (in English)  
Keyword(1) URLLC  
Keyword(2) grant-free  
Keyword(3) K-repetitions  
Keyword(4) terminal mobility  
Keyword(5) time diversity  
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1st Author's Name Shinichi Ozaku  
1st Author's Affiliation Waseda University (Waseda Univ.)
2nd Author's Name Yukiko Shimbo  
2nd Author's Affiliation Waseda University (Waseda Univ.)
3rd Author's Name Hirofumi Suganuma  
3rd Author's Affiliation Waseda University (Waseda Univ.)
4th Author's Name Fumiaki Maehara  
4th Author's Affiliation Waseda University (Waseda Univ.)
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Speaker Author-1 
Date Time 2019-12-19 09:40:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2019-238 
Volume (vol) vol.119 
Number (no) no.345 
Page pp.7-11 
#Pages
Date of Issue 2019-12-12 (RCS) 


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