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| Presentation | 2022-09-15 17:00 A Study on Compressed Sensing Based Power Allocation and User Selection Scheme Considering Channel State in Downlink NOMA, Part2 Tomofumi Makita, Osamu Muta (Kyushu Univ.)  CQ2022-36 |
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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. The authors have proposed a quality-of-service (QoS)-aware low complexity compressed sensing (CS)-based user pairing and power allocation scheme for downlink non-orthogonal multiple access (NOMA) systems, where the tolerable interference threshold constraint 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 selection and power allocation problem is relaxed to $l_1$ norm optimization problem under a QoS constraint based on the tolerable interference threshold, which can be solved by general CS algorithm. In this paper, We investigate two adaptive resource block (RB) selection algorithms, i. e., two-step opportunistic resource block assignment (TS-RA) and Max-min resource block assignment (Mm-RA) and evaluate their achieved performance in terms of average user rate for comparison. . Simulation results show that the proposed scheme with TS-RA is effective in improving user-rate compared with other reference schemes even when each RB is affected by independent fading 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. 122, no. 184, CQ2022-36, pp. 67-72, Sept. 2022. | |
| Paper # | CQ2022-36 | |
| Date of Issue | 2022-09-08 (CQ) | |
| 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 | CQ2022-36 |
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| Conference Information | |
| Committee | IA CQ MIKA |
| Conference Date | 2022-09-15 - 2022-09-16 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hokkaido Citizens Actives Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Wireless Communications Quality, 6G, IoT, Cross layer Technologies, Internet Operation and Management, etc. |
| Paper Information | |
| Registration To | CQ |
| Conference Code | 2022-09-IA-CQ-MIKA |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study on Compressed Sensing Based Power Allocation and User Selection Scheme Considering Channel State in Downlink NOMA, Part2 |
| Sub Title (in English) | |
| Keyword(1) | Non-orthogonal multiple access (NOMA) |
| Keyword(2) | user pairing |
| Keyword(3) | power allocation |
| Keyword(4) | compressed sensing |
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| 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 | Author-1 |
| Date Time | 2022-09-15 17:00:00 |
| Presentation Time | 25 minutes |
| Registration for | CQ |
| Paper # | CQ2022-36 |
| Volume (vol) | vol.122 |
| Number (no) | no.184 |
| Page | pp.67-72 |
| #Pages | 6 |
| Date of Issue | 2022-09-08 (CQ) |
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