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| Presentation | 2010-12-17 14:00 Study of 2-step QRM-ML Block Signal Detection using Adaptive Tree Structure Simplification for Single-Carrier Transmission Katsuhiro Temma, Tetsuya Yamamoto, Fumiyuki Adachi (Tohoku Univ.)  RCS2010-192 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A maximum likelihood block signal detection employing 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 frequency-selective channel. However, the computational complexity of QRM-MLBD is still much higher than that of MMSE-FDE. Recently, we proposed a 2-step QRM-MLBD which simplifies the tree structure of MLD utilizing the hard detection results obtained by MMSE-FDE to reduce the computational complexity of QRM-MLBD. In this paper, we propose an adaptive tree-pruning 2-step QRM-MLBD based on the soft detection results and variance of residual inter-symbol interference (ISI) plus noise after MMSE-FDE for 2-step QRM-MLBD. We evaluate, by computer simulation, the BER performance and computational complexity and show that it can reduce the computational complexity while keeping almost the same BER performance as the conventional QRM-MLBD and 2-step QRM-MLBD based on the hard decision. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Single-carrier / Block signal detection / MMSE-FDE / QRM-MLBD / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 110, no. 340, RCS2010-192, pp. 197-202, Dec. 2010. | |
| Paper # | RCS2010-192 | |
| Date of Issue | 2010-12-09 (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 | RCS2010-192 |
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| Conference Information | |
| Committee | NS RCS |
| Conference Date | 2010-12-16 - 2010-12-17 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Okayama Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Mobile Ad-hoc Network, Ubiquitous Network, Wireless Communication, security, Multi-Access Network |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2010-12-NS-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Study of 2-step QRM-ML Block Signal Detection using Adaptive Tree Structure Simplification for Single-Carrier Transmission |
| Sub Title (in English) | |
| Keyword(1) | Single-carrier |
| Keyword(2) | Block signal detection |
| Keyword(3) | MMSE-FDE |
| Keyword(4) | QRM-MLBD |
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| 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 | 2010-12-17 14:00:00 |
| Presentation Time | 20 minutes |
| Registration for | RCS |
| Paper # | RCS2010-192 |
| Volume (vol) | vol.110 |
| Number (no) | no.340 |
| Page | pp.197-202 |
| #Pages | 6 |
| Date of Issue | 2010-12-09 (RCS) |
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