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| Presentation | 2015-07-31 13:10 A Study on Transmit Power Control for Uplink Single Carrier Non-orthogonal Multiple Access Jungo Goto, Osamu Nakamura, Kazunari Yokomakura, Yasuhiro Hamaguchi (Sharp), Shinsuke Ibi, Seiichi Sampei (Osaka Univ)  RCS2015-124 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper investigates a strategy of transmit power control (TPC) for uplink single carrier non-orthogonal multiple access (SC-NOMA). SC-NOMA can boost system capacity with the assistance of non-orthogonally multiplexing users’ signals. As a result, SC-NOMA is capable of increasing the cell throughput by non-orthogonally multiplexing more users’ signals. On the other hand, a user, who is transmit point in uplink transmission, adopts TPC. Uplink TPC restricts the maximum transmit power for a user less than the maximum transmit power for an evolved Node B (eNB) in downlink transmission. Moreover, it increases transmit power commensurate with used bandwidth for data transmission in order to keep power spectrum density. Since a power-limited UE which reaches the maximum transmit power cannot expand the used bandwidth, the gain of the SC-NOMA may not be obtained. Focusing on channel capacity commensurate with bandwidth, this paper studies a TPC method for the SC-NOMA which can dynamically set power spectrum density. Consequently, the TPC method can expand the used bandwidth for each user. Computer simulations show that SC-NOMA can obtain high cell throughput even under the condition where many power-limited UEs exist. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Single carrier / Non-orthogonal multiple access / Transmit power control / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 160, RCS2015-124, pp. 139-144, July 2015. | |
| Paper # | RCS2015-124 | |
| Date of Issue | 2015-07-22 (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 | RCS2015-124 |
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| Conference Information | |
| Committee | RCC ASN RCS NS SR |
| Conference Date | 2015-07-29 - 2015-07-31 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | JA Naganoken Bldg. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Wireless Distributed Network, M2M: Machine-to-Machine, D2D (Device-to-Device)，etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2015-07-RCC-ASN-RCS-NS-SR |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study on Transmit Power Control for Uplink Single Carrier Non-orthogonal Multiple Access |
| Sub Title (in English) | |
| Keyword(1) | Single carrier |
| Keyword(2) | Non-orthogonal multiple access |
| Keyword(3) | Transmit power control |
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| 1st Author's Name | Jungo Goto |
| 1st Author's Affiliation | Sharp Corporation (Sharp) |
| 2nd Author's Name | Osamu Nakamura |
| 2nd Author's Affiliation | Sharp Corporation (Sharp) |
| 3rd Author's Name | Kazunari Yokomakura |
| 3rd Author's Affiliation | Sharp Corporation (Sharp) |
| 4th Author's Name | Yasuhiro Hamaguchi |
| 4th Author's Affiliation | Sharp Corporation (Sharp) |
| 5th Author's Name | Shinsuke Ibi |
| 5th Author's Affiliation | Osaka University (Osaka Univ) |
| 6th Author's Name | Seiichi Sampei |
| 6th Author's Affiliation | Osaka University (Osaka Univ) |
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| Speaker | Author-1 |
| Date Time | 2015-07-31 13:10:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2015-124 |
| Volume (vol) | vol.115 |
| Number (no) | no.160 |
| Page | pp.139-144 |
| #Pages | 6 |
| Date of Issue | 2015-07-22 (RCS) |
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