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| Presentation | 2012-03-08 10:05 ISI and ICI Compensation with Large Delay Spread Channel Estimation based on Pilot Symbol's Cyclic Property for SP-OFDM Taichi Sakaue, Chang-Jun Ahn, Tatsuya Omori, Ken-ya Hashimoto (Chiba Univ)  CAS2011-122 SIP2011-142 CS2011-114 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Scattered pilot based OFDM can accuretely estimate the channel state information (CSI) with small number pilot signals under the fast fading channel. In OFDM, the guard interval (GI) is inserted in order to eliminate the inter-symbol-interference (ISI)and inter-carrier-interference (ICI) due multipath fading. In general, GI is usually designed to be longer than the delay spread of channel. Furthermore, the channel estimation of SP is property operated since data signals are assigned between scattered pilots. To overcome this problem, in this thesis, we propose the novel FFT interpolation method with considering the pilot cyclic property and ISI and ICI compensation method. In the proposed method, the time domain impulses are calculated by using FFT interpolation with null signal and the faraway responses by using the threshold of noise variance. In addition, we eliminate ISI and ICI using the identified CSI. From the simulation result, the proposed method can achieve superior BER performance compared with the conventional SP-OFDM under the large delay spread channels. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | SP-OFDM / pilot's cyclic property / FFT interpolation / ISI / ICI / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 467, CS2011-114, pp. 87-91, March 2012. | |
| Paper # | CS2011-114 | |
| Date of Issue | 2012-03-01 (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 | CAS2011-122 SIP2011-142 CS2011-114 |
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| Conference Information | |
| Committee | CAS CS SIP |
| Conference Date | 2012-03-08 - 2012-03-09 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | The University of Niigata |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Network Processor, Signal Processing for communication, and Wireless LAN/PAN, etc. |
| Paper Information | |
| Registration To | CS |
| Conference Code | 2012-03-CAS-CS-SIP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | ISI and ICI Compensation with Large Delay Spread Channel Estimation based on Pilot Symbol's Cyclic Property for SP-OFDM |
| Sub Title (in English) | |
| Keyword(1) | SP-OFDM |
| Keyword(2) | pilot's cyclic property |
| Keyword(3) | FFT interpolation |
| Keyword(4) | ISI |
| Keyword(5) | ICI |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Taichi Sakaue |
| 1st Author's Affiliation | Chiba University (Chiba Univ) |
| 2nd Author's Name | Chang-Jun Ahn |
| 2nd Author's Affiliation | Chiba University (Chiba Univ) |
| 3rd Author's Name | Tatsuya Omori |
| 3rd Author's Affiliation | Chiba University (Chiba Univ) |
| 4th Author's Name | Ken-ya Hashimoto |
| 4th Author's Affiliation | Chiba University (Chiba Univ) |
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| Speaker | Author-1 |
| Date Time | 2012-03-08 10:05:00 |
| Presentation Time | 25 minutes |
| Registration for | CS |
| Paper # | CAS2011-122, SIP2011-142, CS2011-114 |
| Volume (vol) | vol.111 |
| Number (no) | no.465(CAS), no.466(SIP), no.467(CS) |
| Page | pp.87-91 |
| #Pages | 5 |
| Date of Issue | 2012-03-01 (CAS, SIP, CS) |
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