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| Paper Abstract and Keywords | ||
| Presentation | 2018-03-08 14:15 Shifted Coded Slotted ALOHA Tomokazu Emoto, Takayuki Nozaki (Yamaguchi Univ.)  IT2017-113 ISEC2017-101 WBS2017-94 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In the random access scheme, each user randomly transmits packets in accordance with a predetermined rule. In this scheme, a collision occurs when some users simultaneously transmit to one channel. It is known that collisions degrade throughput. In recent years, successive interference cancellation (SIC) was introduced into the random access scheme. It is possible to decode transmitted packets using collided packets by the SIC. The coded slotted ALOHA (CSA) is a protocol using the SIC. The CSA encodes each packet using a local code prior to transmission. It is known that the CSA achieves excellent throughput. On the other hand, it is reported that in the coding theory time shift improves the decoding performance. In this report, we propose a protocol which applies the time shift to the CSA in order to achieve better throughput. Numerical examples show that our proposed protocol achieves better throughput and packet loss rate than the CSA. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | random access / coded slotted ALOHA / shift / successive interference cancellation / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 487, IT2017-113, pp. 61-66, March 2018. | |
| Paper # | IT2017-113 | |
| Date of Issue | 2018-03-01 (IT, ISEC, WBS) | |
| 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. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | IT2017-113 ISEC2017-101 WBS2017-94 |
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| Conference Information | |
| Committee | WBS IT ISEC |
| Conference Date | 2018-03-08 - 2018-03-09 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Katsusika Campas, Tokyo University of Science |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | joint meeting of IT, ISEC, and WBS |
| Paper Information | |
| Registration To | IT |
| Conference Code | 2018-03-WBS-IT-ISEC |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Shifted Coded Slotted ALOHA |
| Sub Title (in English) | |
| Keyword(1) | random access |
| Keyword(2) | coded slotted ALOHA |
| Keyword(3) | shift |
| Keyword(4) | successive interference cancellation |
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| Keyword(8) | |
| 1st Author's Name | Tomokazu Emoto |
| 1st Author's Affiliation | Yamaguchi University (Yamaguchi Univ.) |
| 2nd Author's Name | Takayuki Nozaki |
| 2nd Author's Affiliation | Yamaguchi University (Yamaguchi Univ.) |
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| Speaker | Author-1 |
| Date Time | 2018-03-08 14:15:00 |
| Presentation Time | 25 minutes |
| Registration for | IT |
| Paper # | IT2017-113, ISEC2017-101, WBS2017-94 |
| Volume (vol) | vol.117 |
| Number (no) | no.487(IT), no.488(ISEC), no.489(WBS) |
| Page | pp.61-66 |
| #Pages | 6 |
| Date of Issue | 2018-03-01 (IT, ISEC, WBS) |
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