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| Presentation | 2010-06-11 09:45 Time Domain Feedback Equalizer for Fast Fading Channel in OFDM with Scattered Pilot Yutaro Nakagawa, Yukitoshi Sanada (Keio Univ.)  WBS2010-8 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this report, a new feedback equalization scheme to suppress inter-carrier interference (ICI) in an OFDM system using scattered pilot is investigated. On a fast fading channel severe ICI occurs due to a Doppler shift and it deteriorates a bit error rate (BER) seriously because of small subcarrier spacing. In an ISDB-T receiver the equalization is mainly processed in a frequency domain because the scattered pilot is transmitted over the subcarriers. However, the frequency domain equalization may not suppress severe ICI in the case of the fast fading channel with a large Doppler shift. The proposed equalization scheme uses the scattered pilot symbols transformed in a time domain as the reference signal for feedback taps. Numerical results through computer simulation show that the proposed scheme improves the BER performance especially with low carrier-to-noise ratio (CNR) conditions. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | OFDM / ISDB-T / Scattered Pilot / ICI / Doppler Shift / Feedback Equalizer / / | |
| Reference Info. | IEICE Tech. Rep., vol. 110, no. 72, WBS2010-8, pp. 41-45, June 2010. | |
| Paper # | WBS2010-8 | |
| Date of Issue | 2010-06-03 (WBS) | |
| 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 | WBS2010-8 |
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| Conference Information | |
| Committee | WBS SAT |
| Conference Date | 2010-06-10 - 2010-06-11 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Okinawa-ken-Seinen-Kaikan |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | WBS |
| Conference Code | 2010-06-WBS-SAT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Time Domain Feedback Equalizer for Fast Fading Channel in OFDM with Scattered Pilot |
| Sub Title (in English) | |
| Keyword(1) | OFDM |
| Keyword(2) | ISDB-T |
| Keyword(3) | Scattered Pilot |
| Keyword(4) | ICI |
| Keyword(5) | Doppler Shift |
| Keyword(6) | Feedback Equalizer |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yutaro Nakagawa |
| 1st Author's Affiliation | Keio University (Keio Univ.) |
| 2nd Author's Name | Yukitoshi Sanada |
| 2nd Author's Affiliation | Keio University (Keio Univ.) |
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| Speaker | Author-1 |
| Date Time | 2010-06-11 09:45:00 |
| Presentation Time | 25 minutes |
| Registration for | WBS |
| Paper # | WBS2010-8 |
| Volume (vol) | vol.110 |
| Number (no) | no.72 |
| Page | pp.41-45 |
| #Pages | 5 |
| Date of Issue | 2010-06-03 (WBS) |
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