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| Paper Abstract and Keywords | ||
| Presentation | 2020-03-04 10:55 Transmission Efficiency of Uplink Grant-Free Non-Orthogonal Multiple Access Takanori Hara, Koji Ishibashi (The Univ. of Electro-Communications)  RCS2019-325 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | To accommodate a large number of users efficiently, grant-free non-orthogonal multiple access (GF-NOMA) has gained much attention. One conventional scheme based on compressed sensing jointly performs active user detection (AUD), channel estimation (CE), and data detection via multiple measurement vector approximate message passing. An alternative approach is joint data and active user detection via coordinated descent method based on covariance estimation where multiple sequences are allocated to each user. However, the performance comparison between them has not been studied so far, and it is not clear which one is more efficient. In this paper, we discuss their performances and show their advantageous regions via computer simulations. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Grant-free non-orthogonal multiple access / compressed sensing / approximate message passing / covariance estimation / coordinate descent method / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 448, RCS2019-325, pp. 31-36, March 2020. | |
| Paper # | RCS2019-325 | |
| Date of Issue | 2020-02-26 (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 | RCS2019-325 |
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| Conference Information | |
| Committee | RCS SR SRW |
| Conference Date | 2020-03-04 - 2020-03-06 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tokyo Institute of Technology |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Mobile Communication Workshop |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2020-03-RCS-SR-SRW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Transmission Efficiency of Uplink Grant-Free Non-Orthogonal Multiple Access |
| Sub Title (in English) | |
| Keyword(1) | Grant-free non-orthogonal multiple access |
| Keyword(2) | compressed sensing |
| Keyword(3) | approximate message passing |
| Keyword(4) | covariance estimation |
| Keyword(5) | coordinate descent method |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Takanori Hara |
| 1st Author's Affiliation | The University of Electro-Communications (The Univ. of Electro-Communications) |
| 2nd Author's Name | Koji Ishibashi |
| 2nd Author's Affiliation | The University of Electro-Communications (The Univ. of Electro-Communications) |
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| Speaker | Author-1 |
| Date Time | 2020-03-04 10:55:00 |
| Presentation Time | 20 minutes |
| Registration for | RCS |
| Paper # | RCS2019-325 |
| Volume (vol) | vol.119 |
| Number (no) | no.448 |
| Page | pp.31-36 |
| #Pages | 6 |
| Date of Issue | 2020-02-26 (RCS) |
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