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| Presentation | 2009-06-25 13:40 Out-of-band distortion power reduction by soft-clipping for wireless OFDMA systems Toshihisa Fujiwara, Shigeru Tomisato, Masaharu Hata (Okayama Univ.), Hiromasa Fujii, Takahiro Asai, Yukihiko Okumura (NTTDOCOMO)  RCS2009-29 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper proposes an adaptive control method for soft clipping which is one of effective peak power reduction methods in Orthogonal Frequency Division Multiple Access (OFDMA) systems. The proposed method can control in-band and out-of-band distortion power according to the using rate of the system band and the required transmission quality. The out-of-band distortion power with soft clipping can be reduced by 6dB compared with hard clipping. The simulation results show that a low-distortion OFDMA transmitter can be realize with reasonable computational complexity because iterative processing is unnecessary. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | OFDM / OFDMA / PAPR / Soft clipping / Out-of-band radiation / Spectrum sharing / / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, no. 105, RCS2009-29, pp. 13-16, June 2009. | |
| Paper # | RCS2009-29 | |
| Date of Issue | 2009-06-18 (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 | RCS2009-29 |
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| Conference Information | |
| Committee | RCS |
| Conference Date | 2009-06-25 - 2009-06-26 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Nagoya University |
| 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 | 2009-06-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Out-of-band distortion power reduction by soft-clipping for wireless OFDMA systems |
| Sub Title (in English) | |
| Keyword(1) | OFDM |
| Keyword(2) | OFDMA |
| Keyword(3) | PAPR |
| Keyword(4) | Soft clipping |
| Keyword(5) | Out-of-band radiation |
| Keyword(6) | Spectrum sharing |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Toshihisa Fujiwara |
| 1st Author's Affiliation | Okayama University (Okayama Univ.) |
| 2nd Author's Name | Shigeru Tomisato |
| 2nd Author's Affiliation | Okayama University (Okayama Univ.) |
| 3rd Author's Name | Masaharu Hata |
| 3rd Author's Affiliation | Okayama University (Okayama Univ.) |
| 4th Author's Name | Hiromasa Fujii |
| 4th Author's Affiliation | NTTDOCOMO, Inc. (NTTDOCOMO) |
| 5th Author's Name | Takahiro Asai |
| 5th Author's Affiliation | NTTDOCOMO, Inc. (NTTDOCOMO) |
| 6th Author's Name | Yukihiko Okumura |
| 6th Author's Affiliation | NTTDOCOMO, Inc. (NTTDOCOMO) |
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| Speaker | Author-1 |
| Date Time | 2009-06-25 13:40:00 |
| Presentation Time | 20 minutes |
| Registration for | RCS |
| Paper # | RCS2009-29 |
| Volume (vol) | vol.109 |
| Number (no) | no.105 |
| Page | pp.13-16 |
| #Pages | 4 |
| Date of Issue | 2009-06-18 (RCS) |
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