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| Presentation | 2011-06-24 16:20 Performance Comparison of Trellis-Shaped OFDM Systems over Nonlinear Channels Ryota Yoshizawa, Hideki Ochiai (Yokohama Nat Univ.)  RCS2011-72 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Orthogonal frequency-division multiplexing (OFDM) can achieve remarkable performance in terms of spectral efficiency, but its efficiency at transmitter power amplifier (PA) becomes poor because of its high peak– to-average ratio (PAPR) nature of transmitted signals. Trellis shaping (TS) is an effective method to reduce PAPR without signal distortion. Several metrics are developed for TS to achieve efficient PAPR reduction in the literature. In many practical OFDM systems, however, slight peak clipping at PA is acceptable. This may cause nonlinear distortion that degrades bit error rate (BER) performance. In this paper, we make performance comparison of trellis-shaped OFDM systems with different metrics in terms of BER in a practical scenario where the signal is clipped by PA. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | OFDM / bit error rate / trellis shaping / PA-nonlinearlity / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 94, RCS2011-72, pp. 215-220, June 2011. | |
| Paper # | RCS2011-72 | |
| Date of Issue | 2011-06-16 (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 | RCS2011-72 |
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| Conference Information | |
| Committee | RCS |
| Conference Date | 2011-06-23 - 2011-06-24 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Ryukyu 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 | 2011-06-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Performance Comparison of Trellis-Shaped OFDM Systems over Nonlinear Channels |
| Sub Title (in English) | |
| Keyword(1) | OFDM |
| Keyword(2) | bit error rate |
| Keyword(3) | trellis shaping |
| Keyword(4) | PA-nonlinearlity |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Ryota Yoshizawa |
| 1st Author's Affiliation | Yokohama National University (Yokohama Nat Univ.) |
| 2nd Author's Name | Hideki Ochiai |
| 2nd Author's Affiliation | Yokohama National University (Yokohama Nat Univ.) |
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| Speaker | Author-1 |
| Date Time | 2011-06-24 16:20:00 |
| Presentation Time | 20 minutes |
| Registration for | RCS |
| Paper # | RCS2011-72 |
| Volume (vol) | vol.111 |
| Number (no) | no.94 |
| Page | pp.215-220 |
| #Pages | 6 |
| Date of Issue | 2011-06-16 (RCS) |
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