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Paper Abstract and Keywords
Presentation 2019-06-20 10:30
Investigation on Retransmission Scheme in IDMA-Based Random Access
Yuichiro Shake (Tokyo Univ. of Science), Yoshihisa Kishiyama (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2019-69
Abstract (in Japanese) (See Japanese page) 
(in English) This paper investigates a packet retransmission scheme appropriate for an interleave division multiple access (IDMA)-based random access in order to support massive machine-type communications (mMTC) in the fifth generation mobile communication system. A conventional major approach to the packet retransmission in the random access-based system is to apply a random retransmission time back-off for each terminal by preparing multiple time-slot window to resolve the packet collision in probabilistic manner. However, a proactive packet-collision avoidance effect between the new packet(s) and retransmission packet(s) is not obtained in this approach. The proposed method is established by introducing two specific features to the conventional packet retransmission method in order to reduce the packet collision between the new packets and retransmission packets. The first feature is that the base station probabilistically prepares the time-frequency slot which is exclusively used for packet retransmission. The second feature is that respective terminals having retransmit packet use the defined time-frequency slot exclusively used for packet retransmission in probabilistic manner. The proposed method can proactively reduce the frequency of the packet collision between the new packets and retransmission packets so that the IDMA-receiver can successfully decode the set of simultaneously transmitted packets. We show the effectiveness of the proposed method quantitatively by using the computer simulation.
Keyword (in Japanese) (See Japanese page) 
(in English) IDMA / random access / mMTC / retransmission / ARQ / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 90, RCS2019-69, pp. 197-202, June 2019.
Paper # RCS2019-69 
Date of Issue 2019-06-12 (RCS) 
ISSN Print edition: ISSN 0913-5685  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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF RCS2019-69

Conference Information
Committee RCS  
Conference Date 2019-06-19 - 2019-06-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Miyakojima Hirara Port Terminal Building 
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 2019-06-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Investigation on Retransmission Scheme in IDMA-Based Random Access 
Sub Title (in English)  
Keyword(1) IDMA  
Keyword(2) random access  
Keyword(3) mMTC  
Keyword(4) retransmission  
Keyword(5) ARQ  
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1st Author's Name Yuichiro Shake  
1st Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
2nd Author's Name Yoshihisa Kishiyama  
2nd Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
3rd Author's Name Kenichi Higuchi  
3rd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
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Speaker
Date Time 2019-06-20 10:30:00 
Presentation Time 10 
Registration for RCS 
Paper # IEICE-RCS2019-69 
Volume (vol) IEICE-119 
Number (no) no.90 
Page pp.197-202 
#Pages IEICE-6 
Date of Issue IEICE-RCS-2019-06-12 


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