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| Presentation | 2013-06-20 16:00 Spatial Removal Processes to Improve EM-based Iterative Reception for MIMO-OFDM Mobile Communications Kazushi Muraoka, Kazuhiko Fukawa, Hiroshi Suzuki, Satoshi Suyama (Tokyo Tech.)  RCS2013-54 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Joint signal detection and channel estimation based on the expectation-maximization (EM) algorithm has been investigated for multiple-input multiple-output (MIMO) orthogonal frequency-division multiplexing (OFDM) mobile communications over fast-fading channels. In order to improve such an EM-based iterative receiver furthermore, this report proposes spatial removal from the perspective of a message-passing algorithm on factor graphs. The spatial removal performs the channel estimation of a targeted antenna by using detected signals that are obtained from the received signals of all antennas other than the targeted antenna. It can avoid the repetitive use of unreliable received signals for consecutive signal detection and channel estimation. Computer simulations under fast-fading conditions demonstrate that appropriate application of the spatial removal can exploit such a removal effect and the spatial diversity, resulting in improvement of the packet error rate (PER) over the fast-fading channels. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Mobile communication / MIMO-OFDM / EM algorithm / factor graph / message passing / iterative reception / / | |
| Reference Info. | IEICE Tech. Rep., vol. 113, no. 93, RCS2013-54, pp. 103-108, June 2013. | |
| Paper # | RCS2013-54 | |
| Date of Issue | 2013-06-13 (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 | RCS2013-54 |
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| Conference Information | |
| Committee | RCS |
| Conference Date | 2013-06-20 - 2013-06-21 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hokkaido Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | First Presentation in IEICE Technical Committee, Railroad Communications, Inter-Vehicle Communications, Road to Vehicle Communications, Resource Control, Scheduling, Wireless Communication Systems, etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2013-06-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Spatial Removal Processes to Improve EM-based Iterative Reception for MIMO-OFDM Mobile Communications |
| Sub Title (in English) | |
| Keyword(1) | Mobile communication |
| Keyword(2) | MIMO-OFDM |
| Keyword(3) | EM algorithm |
| Keyword(4) | factor graph |
| Keyword(5) | message passing |
| Keyword(6) | iterative reception |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kazushi Muraoka |
| 1st Author's Affiliation | Tokyo Institute of Technology (Tokyo Tech.) |
| 2nd Author's Name | Kazuhiko Fukawa |
| 2nd Author's Affiliation | Tokyo Institute of Technology (Tokyo Tech.) |
| 3rd Author's Name | Hiroshi Suzuki |
| 3rd Author's Affiliation | Tokyo Institute of Technology (Tokyo Tech.) |
| 4th Author's Name | Satoshi Suyama |
| 4th Author's Affiliation | Tokyo Institute of Technology (Tokyo Tech.) |
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| Speaker | Author-1 |
| Date Time | 2013-06-20 16:00:00 |
| Presentation Time | 20 minutes |
| Registration for | RCS |
| Paper # | RCS2013-54 |
| Volume (vol) | vol.113 |
| Number (no) | no.93 |
| Page | pp.103-108 |
| #Pages | 6 |
| Date of Issue | 2013-06-13 (RCS) |
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