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| Presentation | 2020-12-03 13:40 Downlink Non-Orthogonal Multiple Access (NOMA) Using sparse superposition codes Hayato Tachiwana, Yutaka Jitsumatsu (Kyushu Univ.)  IT2020-54 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Non-orthogonal multiple access (NOMA) is considered to be a most promising next generation mobile communication systems. NOMA is more efficient than the conventional orthogonal multiple access (OMA) because it allows interference between information signals of multiple users to be multiplexed over a radio resource. Although a large amount of computational cost is required to remove interference, it is becoming possible to remove interference due to the recent improvement in computer performance. The sparse superposition codes (SSC) proposed by Barron and Joseph in 2010 is an error correction code that has been proven to achieve channel capacity in Gaussian channels. In this paper, SSC is used as a method of realizing NOMA. Of the multiple users existing in the base station, we will focus on the downlink lines of two users and investigate the interference elimination and decoding performance. At that time, an encoder and a decoder to which machine learning is applied in advance are used. We perform computer simulations and show the decoding error probability. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | NOMA / sparse superposition codes / / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 120, no. 268, IT2020-54, pp. 159-164, Dec. 2020. | |
| Paper # | IT2020-54 | |
| Date of Issue | 2020-11-24 (IT) | |
| 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 | IT2020-54 |
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| Conference Information | |
| Committee | IT |
| Conference Date | 2020-12-01 - 2020-12-03 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Lectures for Young Researchers, General |
| Paper Information | |
| Registration To | IT |
| Conference Code | 2020-12-IT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Downlink Non-Orthogonal Multiple Access (NOMA) Using sparse superposition codes |
| Sub Title (in English) | |
| Keyword(1) | NOMA |
| Keyword(2) | sparse superposition codes |
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| 1st Author's Name | Hayato Tachiwana |
| 1st Author's Affiliation | Kyushu University (Kyushu Univ.) |
| 2nd Author's Name | Yutaka Jitsumatsu |
| 2nd Author's Affiliation | Kyushu University (Kyushu Univ.) |
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| Speaker | Author-1 |
| Date Time | 2020-12-03 13:40:00 |
| Presentation Time | 20 minutes |
| Registration for | IT |
| Paper # | IT2020-54 |
| Volume (vol) | vol.120 |
| Number (no) | no.268 |
| Page | pp.159-164 |
| #Pages | 6 |
| Date of Issue | 2020-11-24 (IT) |
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