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| Presentation | 2016-03-04 14:30 A study on application of symbol MAP decoding for chaos MIMO scheme to improve error rate performance Eiji Okamoto (NITech)  CCS2015-74 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | To obtain both physical-layer security and channel coding effect, a chaos multiple-input multiple-output (C-MIMO) transmission scheme utilizing Gaussian modulation has been proposed. In C-MIMO, transmission bits are modulated by chaos modulation, and a Gaussian transmit signal is generated by Box-Muller method with this chaos signal correlated with the transmit bits. A common key encryption in which the key is chaos initial values, and the channel coding by Gaussian coded modulation are realized by C-MIMO. Further channel coding gain is obtained by concatenating a channel code to C-MIMO in which a log likelihood ratio (LLR) of C-MIMO is calculated as a sequential LLR. However, the sequential LLR is a quasi-optimum LLR and there is a slight performance degradation. Therefore, in this paper, we propose a symbol-unit maximum a posteriori decoding to calculate an optimum LLR for C-MIMO. The improved performance of the proposed scheme is evaluated by numerical simulations. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | chaos communication / MIMO / log likelihood ratio / sequential LLR / MAP decoding / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 475, CCS2015-74, pp. 39-44, March 2016. | |
| Paper # | CCS2015-74 | |
| Date of Issue | 2016-02-25 (CCS) | |
| 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 | CCS2015-74 |
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| Conference Information | |
| Committee | RCS CCS SR SRW |
| Conference Date | 2016-03-02 - 2016-03-04 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tokyo Institute of Technology |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Mobile Communication Workshop |
| Paper Information | |
| Registration To | CCS |
| Conference Code | 2016-03-RCS-CCS-SR-SRW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A study on application of symbol MAP decoding for chaos MIMO scheme to improve error rate performance |
| Sub Title (in English) | |
| Keyword(1) | chaos communication |
| Keyword(2) | MIMO |
| Keyword(3) | log likelihood ratio |
| Keyword(4) | sequential LLR |
| Keyword(5) | MAP decoding |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Eiji Okamoto |
| 1st Author's Affiliation | Nagoya Institite of Technology (NITech) |
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| Speaker | Author-1 |
| Date Time | 2016-03-04 14:30:00 |
| Presentation Time | 25 minutes |
| Registration for | CCS |
| Paper # | CCS2015-74 |
| Volume (vol) | vol.115 |
| Number (no) | no.475 |
| Page | pp.39-44 |
| #Pages | 6 |
| Date of Issue | 2016-02-25 (CCS) |
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