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| 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 |
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| 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 | 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 | RCS2019-69 |
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| 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 |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 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 | Author-1 |
| Date Time | 2019-06-20 10:30:00 |
| Presentation Time | 10 minutes |
| Registration for | RCS |
| Paper # | RCS2019-69 |
| Volume (vol) | vol.119 |
| Number (no) | no.90 |
| Page | pp.197-202 |
| #Pages | 6 |
| Date of Issue | 2019-06-12 (RCS) |
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