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| Presentation | 2011-03-02 10:00 Study of Pre-detection based Complexity Reduction Methods for Single-Carrier Transmission using 2-step QRM-ML Block Signal Detection Katsuhiro Temma, Tetsuya Yamamoto, Fumiyuki Adachi (Tohoku Univ.)  RCS2010-250 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A maximum likelihood block signal detection using QR decomposition and M-algorithm (QRM-MLBD) can significantly improve the bit error rate (BER) performance of single-carrier (SC) transmission compared to the minimum mean square error frequency-domain equalization (MMSE-FDE) in a frequency-selective channel. However, the computational complexity of QRM-MLBD is still much higher than that of MMSE-FDE. In order to reduce the computational complexity of QRM-MLBD, recently, we proposed a 2-step QRM-MLBD which simplifies the tree structure of MLD utilizing the pre-detection results obtained by MMSE-FDE. In this paper, for further complexity reduction, we propose the complexity reduction method for QR decomposition and the detection ordering to reduce the number of surviving paths in the M-algorithm. We evaluate, by computer simulation, computational complexity and show an advantage of the proposed methods. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Single-carrier / block signal detection / MMSE-FDE / QR decomposition / M-algorithm / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 110, no. 433, RCS2010-250, pp. 13-18, March 2011. | |
| Paper # | RCS2010-250 | |
| Date of Issue | 2011-02-23 (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 | RCS2010-250 |
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| Conference Information | |
| Committee | RCS MoNA SR |
| Conference Date | 2011-03-02 - 2011-03-04 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | YRP |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Mobile Communication Workshop |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2011-03-RCS-MoMuC-SR |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Study of Pre-detection based Complexity Reduction Methods for Single-Carrier Transmission using 2-step QRM-ML Block Signal Detection |
| Sub Title (in English) | |
| Keyword(1) | Single-carrier |
| Keyword(2) | block signal detection |
| Keyword(3) | MMSE-FDE |
| Keyword(4) | QR decomposition |
| Keyword(5) | M-algorithm |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Katsuhiro Temma |
| 1st Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 2nd Author's Name | Tetsuya Yamamoto |
| 2nd Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 3rd Author's Name | Fumiyuki Adachi |
| 3rd Author's Affiliation | Tohoku University (Tohoku Univ.) |
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| Speaker | Author-1 |
| Date Time | 2011-03-02 10:00:00 |
| Presentation Time | 20 minutes |
| Registration for | RCS |
| Paper # | RCS2010-250 |
| Volume (vol) | vol.110 |
| Number (no) | no.433 |
| Page | pp.13-18 |
| #Pages | 6 |
| Date of Issue | 2011-02-23 (RCS) |
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