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| Presentation | 2010-01-21 14:10 Performance Evaluation of the Proposed CSI Compression Scheme with Channel Estimation Error and Feedback Delay Yasuyuki Hatakawa, Satoshi Konishi (KDDI R&D Labs)  SIP2009-93 RCS2009-227 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This report presents the evaluation results of the Channel State Information (CSI) compression scheme proposed by the authors under the conditions of channel estimation error and feedback delay for MIMO-OFDM systems. The proposed CSI compression scheme transforms a set of CSI by Discrete Cosine Transform (DCT), and then only the frequency domain whose power is large is fed back from a receiver to a transmitter. The evaluation results show that the proposed CSI compression scheme effectively improves the capacity with the channel estimation error and the feedback delay. When there are the feedback delay of 10 ms and the variance of channel estimation error by 0.1, the degradation of the capacity of the CSI compression scheme from that of perfect CSI is 0.1 bit/sec/Hz, though that of periodic CSI regarded as a conventional scheme from that of perfect CSI is 0.9 bit/sec/Hz. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Channel state information / MIMO / Compression / Channel estimation error / Feedback delay / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, no. 369, RCS2009-227, pp. 115-120, Jan. 2010. | |
| Paper # | RCS2009-227 | |
| Date of Issue | 2010-01-14 (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 | SIP2009-93 RCS2009-227 |
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| Conference Information | |
| Committee | RCS SIP |
| Conference Date | 2010-01-21 - 2010-01-22 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kyushu Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Signal Processing, Circuit for Wireless Systems, Broadband Wireless Access Techniques, etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2010-01-RCS-SIP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Performance Evaluation of the Proposed CSI Compression Scheme with Channel Estimation Error and Feedback Delay |
| Sub Title (in English) | |
| Keyword(1) | Channel state information |
| Keyword(2) | MIMO |
| Keyword(3) | Compression |
| Keyword(4) | Channel estimation error |
| Keyword(5) | Feedback delay |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yasuyuki Hatakawa |
| 1st Author's Affiliation | KDDI R&D Laboratories Inc. (KDDI R&D Labs) |
| 2nd Author's Name | Satoshi Konishi |
| 2nd Author's Affiliation | KDDI R&D Laboratories Inc. (KDDI R&D Labs) |
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| Speaker | Author-1 |
| Date Time | 2010-01-21 14:10:00 |
| Presentation Time | 20 minutes |
| Registration for | RCS |
| Paper # | SIP2009-93, RCS2009-227 |
| Volume (vol) | vol.109 |
| Number (no) | no.368(SIP), no.369(RCS) |
| Page | pp.115-120 |
| #Pages | 6 |
| Date of Issue | 2010-01-14 (SIP, RCS) |
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