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| Presentation | 2007-03-05 09:25 A Study on Variable Guard Interval Using Estimation of Channel Impulse Response for OFDM Systems Masaharu Kinoshita, Naoto Sasaoka, Hideaki Tanaka, Yoshio Itoh (Tottori Univ.)  CAS2006-78 SIP2006-179 CS2006-95 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In an orthogonal frequency division multiplexing (OFDM) system, a guard interval (GI) is usually used to remove the inter-symbol interference(ISI) due to a multipath fading channel. The GI length must be longer than the maximum delay. In this paper, we propose an adaptive control method of guard interval length. In this method, a channel impulse response is estimated by applying inverse fast fourier transform (IFFT) to the estimated frequency-domain channel response by the equalizer. Next, the maximum delay of channel impulse response is estimated from the channel impulse response, and the optimal length of the guard interval is decided by the maximum delay. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | OFDM system / multipath / guard interval / channel impulse response / maximum delay / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 106, no. 571, CS2006-95, pp. 7-12, March 2007. | |
| Paper # | CS2006-95 | |
| Date of Issue | 2007-02-26 (CAS, SIP, CS) | |
| 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 | CAS2006-78 SIP2006-179 CS2006-95 |
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| Conference Information | |
| Committee | SIP CAS CS |
| Conference Date | 2007-03-05 - 2007-03-06 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Blancart Misasa (Tottori) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Signal Processing for Communications, Code Theory, etc. |
| Paper Information | |
| Registration To | CS |
| Conference Code | 2007-03-SIP-CAS-CS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study on Variable Guard Interval Using Estimation of Channel Impulse Response for OFDM Systems |
| Sub Title (in English) | |
| Keyword(1) | OFDM system |
| Keyword(2) | multipath |
| Keyword(3) | guard interval |
| Keyword(4) | channel impulse response |
| Keyword(5) | maximum delay |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Masaharu Kinoshita |
| 1st Author's Affiliation | Tottori University (Tottori Univ.) |
| 2nd Author's Name | Naoto Sasaoka |
| 2nd Author's Affiliation | Tottori University (Tottori Univ.) |
| 3rd Author's Name | Hideaki Tanaka |
| 3rd Author's Affiliation | Tottori University (Tottori Univ.) |
| 4th Author's Name | Yoshio Itoh |
| 4th Author's Affiliation | Tottori University (Tottori Univ.) |
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| Speaker | Author-1 |
| Date Time | 2007-03-05 09:25:00 |
| Presentation Time | 25 minutes |
| Registration for | CS |
| Paper # | CAS2006-78, SIP2006-179, CS2006-95 |
| Volume (vol) | vol.106 |
| Number (no) | no.567(CAS), no.569(SIP), no.571(CS) |
| Page | pp.7-12 |
| #Pages | 6 |
| Date of Issue | 2007-02-26 (CAS, SIP, CS) |
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