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| Presentation | 2008-01-24 15:35 Low-Complexity Selected Mapping Schemes with Subband Division in OFDM Systems Tomoya Imamachi, Tatsuru Watanabe, Hiroo Sekiya, Jianming Lu, Takashi Yahagi (Chiba Univ.)  SIP2007-147 RCS2007-150 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | One of the drawbacks of orthogonal frequency-division multiplexing(OFDM) system is high peak–to-average power ratio (PAPR) of the transmitter’s output signal. In this background, low-complexity selected mapping(SLM) method is proposed for PAPR reduction with low computational cost. However, it requires high computational cost as candidate number of transmission signals increase, since many calculations of matrix are needed. In this paper, a low-complexity SLM scheme with subband division is proposed. In the proposed method, the subcarriers are divided into some groups, and the candidate transmission signals are created in each group. The proposed scheme has a similar performance of the PAPR reduction compared with the low-complexity SLM scheme though lower computational cost is achieved. The simulation results show the validity and the effectiveness of the proposed method. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | orthogonal frequency-division multiplexing(OFDM) / peak-to-average power ratio(PAPR) / low-complexity selected mapping(SLM) / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 107, no. 440, RCS2007-150, pp. 97-102, Jan. 2008. | |
| Paper # | RCS2007-150 | |
| Date of Issue | 2008-01-17 (SIP, 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 | SIP2007-147 RCS2007-150 |
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| Conference Information | |
| Committee | RCS SIP |
| Conference Date | 2008-01-24 - 2008-01-25 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hiroshima City Uni. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2008-01-RCS-SIP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Low-Complexity Selected Mapping Schemes with Subband Division in OFDM Systems |
| Sub Title (in English) | |
| Keyword(1) | orthogonal frequency-division multiplexing(OFDM) |
| Keyword(2) | peak-to-average power ratio(PAPR) |
| Keyword(3) | low-complexity selected mapping(SLM) |
| Keyword(4) | |
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| 1st Author's Name | Tomoya Imamachi |
| 1st Author's Affiliation | Chiba University (Chiba Univ.) |
| 2nd Author's Name | Tatsuru Watanabe |
| 2nd Author's Affiliation | Chiba University (Chiba Univ.) |
| 3rd Author's Name | Hiroo Sekiya |
| 3rd Author's Affiliation | Chiba University (Chiba Univ.) |
| 4th Author's Name | Jianming Lu |
| 4th Author's Affiliation | Chiba University (Chiba Univ.) |
| 5th Author's Name | Takashi Yahagi |
| 5th Author's Affiliation | Chiba University (Chiba Univ.) |
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| Speaker | Author-1 |
| Date Time | 2008-01-24 15:35:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | SIP2007-147, RCS2007-150 |
| Volume (vol) | vol.107 |
| Number (no) | no.438(SIP), no.440(RCS) |
| Page | pp.97-102 |
| #Pages | 6 |
| Date of Issue | 2008-01-17 (SIP, RCS) |
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