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| Presentation | 2010-06-17 11:05 Power Allocationon for Downlink OFDMA Systems based on SLNR Kazunori Hayashi, Takeshi Fujii, Megumi Kaneko, Hideaki Sakai (Kyoto Univ.), Yoji Okada (Sumitomo Electric Industries, Ltd.)  RCS2010-22 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The report proposes a subcarrier power allocation method for downlink OFDMA systems. The proposed method utilizes an iterative water-filling algorithm using signal to leakage plus noise ratio (SLNR) rather than conventional signal to interference plus noise ratio (SINR), which enable us to considerably reduce the overhead of sending multiple known signals or the channel state information (CSI) feedback. Computer simulation results that show the proposed method using a 1-bit per subcarrier CSI feedback and the iterative water-filling with the SLNR criterion can achieve comparable sum-rate performance to the conventional algorithm based on SINR, while the conventional approach requires multiple transmissions of the training signals from base stations and the CSI feedbacks of real numbers from mobile terminals. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | OFDMA / Power Allocation / Iterative Water-Filling / SLNR / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 110, no. 77, RCS2010-22, pp. 25-30, June 2010. | |
| Paper # | RCS2010-22 | |
| Date of Issue | 2010-06-10 (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 | RCS2010-22 |
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| Conference Information | |
| Committee | RCS |
| Conference Date | 2010-06-17 - 2010-06-18 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kyoto Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | First Presentation in IEICE Technical Committee, Railroad Communications, Inter-Vehicle Communications, Road to Vehicle Communications, Resource Control, Scheduling, Wireless Communication Systems, etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2010-06-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Power Allocationon for Downlink OFDMA Systems based on SLNR |
| Sub Title (in English) | |
| Keyword(1) | OFDMA |
| Keyword(2) | Power Allocation |
| Keyword(3) | Iterative Water-Filling |
| Keyword(4) | SLNR |
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| Keyword(8) | |
| 1st Author's Name | Kazunori Hayashi |
| 1st Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 2nd Author's Name | Takeshi Fujii |
| 2nd Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 3rd Author's Name | Megumi Kaneko |
| 3rd Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 4th Author's Name | Hideaki Sakai |
| 4th Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 5th Author's Name | Yoji Okada |
| 5th Author's Affiliation | Sumitomo Electric Industries, Ltd. (Sumitomo Electric Industries, Ltd.) |
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| Speaker | Author-1 |
| Date Time | 2010-06-17 11:05:00 |
| Presentation Time | 20 minutes |
| Registration for | RCS |
| Paper # | RCS2010-22 |
| Volume (vol) | vol.110 |
| Number (no) | no.77 |
| Page | pp.25-30 |
| #Pages | 6 |
| Date of Issue | 2010-06-10 (RCS) |
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