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| Presentation | 2021-06-25 09:20 QoS-aware Low-complexity User Pairing Based on Compressed Sensing in Downlink NOMA Tomofumi Makita, Osamu Muta (Kyushu Univ.)  RCS2021-63 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Downlink non-orthogonal multiple access (NOMA) systems with successive interference cancellation requires an effective user paring strategy that assigns proper user-pair to the same resource block. In this paper, we propose a quality-of-service (QoS)-aware low complexity compressed sensing (CS)-based user pairing and power allocation scheme for downlink NOMA systems, where the tolerable interference threshold is mathematically designed to achieve a given QoS requirement. Based on the fact that selecting a user-pair among all users is treated as a `sparse' situation, joint user pairing and power allocation problem is relaxed to $l1$ norm optimization problem under a QoS constraint based on the tolerable interference threshold, which can be solved by general CS algorithm. Simulation results show that the proposed scheme is effective in improving user-rate compared with other reference schemes while the QoS requirement is approximately satisfied as long as the required QoS value is feasible. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Non-orthogonal multiple access (NOMA) / user pairing / power allocation / compressed sensing / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 72, RCS2021-63, pp. 196-201, June 2021. | |
| Paper # | RCS2021-63 | |
| Date of Issue | 2021-06-16 (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. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | RCS2021-63 |
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| Conference Information | |
| Committee | RCS |
| Conference Date | 2021-06-23 - 2021-06-25 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| 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 | 2021-06-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | QoS-aware Low-complexity User Pairing Based on Compressed Sensing in Downlink NOMA |
| Sub Title (in English) | |
| Keyword(1) | Non-orthogonal multiple access (NOMA) |
| Keyword(2) | user pairing |
| Keyword(3) | power allocation |
| Keyword(4) | compressed sensing |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Tomofumi Makita |
| 1st Author's Affiliation | Kyushu University (Kyushu Univ.) |
| 2nd Author's Name | Osamu Muta |
| 2nd Author's Affiliation | Kyushu University (Kyushu Univ.) |
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| Speaker | 1 |
| Date Time | 2021-06-25 09:20:00 |
| Presentation Time | 10 |
| Registration for | RCS |
| Paper # | RCS2021-63 |
| Volume (vol) | 121 |
| Number (no) | no.72 |
| Page | pp.196-201 |
| #Pages | 6 |
| Date of Issue | 2021-06-16 (RCS) |
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