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| Presentation | 2012-03-07 09:25 Single-Carrier MIMO Multiplexing Using 2-step QRM-ML Block Signal Detection Michihiko Takasu, Katsuhiro Temma, Tetsuya Yamamoto, Fumiyuki Adachi (Tohoku Univ.)  RCS2011-317 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Maximum likelihood block signal detection using QR-decomposition and M-algorithm (QRM-MLBD) can significantly improve the transmission performance of single-carrier multiple-input multiple-output (SC-MIMO) multiplexing compared to space filtering based on the minimum mean square error criterion (MMSED) while reducing the computational complexity compared to MLD. However, QRM-MLBD still requires high complexity in M-algorithm. Recently, the authors proposed 2-step QRM-MLBD for a single-input single-output (SISO) transmission. 2-step QRM-MLBD can remove unreliable symbol candidates from the symbol tree by computing the posteriori probabilities after MMSE based frequency domain equalization (MMSE-FDE). In this paper, for achieving further complexity reduction, we propose an adaptive detection ordering into 2-step QRM-MLBD for SC-MIMO multiplexing. The adaptive detection ordering is based on the number of symbol candidates at each stage and transmit antenna order. We show by computer simulation that 2-step QRM-MLBD using proposed ordering can achieve almost the same throughput performance as QRM-MLBD while reducing computational complexity. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Single-carrier / MIMO / MLD / MMSED / QR-decomposition / M-algorithm / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 451, RCS2011-317, pp. 7-12, March 2012. | |
| Paper # | RCS2011-317 | |
| Date of Issue | 2012-02-29 (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 | RCS2011-317 |
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| Conference Information | |
| Committee | SR RCS SRW |
| Conference Date | 2012-03-07 - 2012-03-09 |
| 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 | 2012-03-SR-RCS-SRW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Single-Carrier MIMO Multiplexing Using 2-step QRM-ML Block Signal Detection |
| Sub Title (in English) | |
| Keyword(1) | Single-carrier |
| Keyword(2) | MIMO |
| Keyword(3) | MLD |
| Keyword(4) | MMSED |
| Keyword(5) | QR-decomposition |
| Keyword(6) | M-algorithm |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Michihiko Takasu |
| 1st Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 2nd Author's Name | Katsuhiro Temma |
| 2nd Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 3rd Author's Name | Tetsuya Yamamoto |
| 3rd Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 4th Author's Name | Fumiyuki Adachi |
| 4th Author's Affiliation | Tohoku University (Tohoku Univ.) |
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| Speaker | Author-1 |
| Date Time | 2012-03-07 09:25:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2011-317 |
| Volume (vol) | vol.111 |
| Number (no) | no.451 |
| Page | pp.7-12 |
| #Pages | 6 |
| Date of Issue | 2012-02-29 (RCS) |
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