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| Presentation | 2013-03-14 10:20 Performance improvement with channel ranking and cutting the symbol candidate branchs for complexity reducing sequential decision with QRM-MLD Tomoki Yoshimura (Chiba Univ.), Yuta Ida (Hiroshima City Univ.), Chang-Jun Ahn, Tatsuya Omori, Ken-ya Hashimoto (Chiba Univ.)  CAS2012-98 SIP2012-129 CS2012-104 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Recently, the wireless communication technology is required to carry a large amount of digital information with spread of the mobile phone and wireless LAN. Space Division Multiplex (SDM) system has actively studied for increasing the channel capacity. However, SDM requires a signal identifying technique at the receiver in order to identify each transmission stream. Although Maximum Likelihood Detection (MLD) shows the best BER performance, it requires prohibitively large amount of computation to implement at the receiver. To mitigate the above mentioned problems, we have proposed the sequential decision algorithm for QRM-MLD in order to reduce the computation without performance deterioration. However, the number of computation of the proposed system is 1 by 10 as much as conventional MLD and still remained the BER degradation. Thus, for improving the performance of the proposed system, we propose the branch cutting method with channel ranking. From the simulation results, the number of the proposed method computation is approximately an half as much as the conventional sequential decision algorithm. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | MIMO / QRM-MLD / OFDM / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 486, CS2012-104, pp. 9-14, March 2013. | |
| Paper # | CS2012-104 | |
| Date of Issue | 2013-03-07 (CAS, SIP, CS) | |
| 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 | CAS2012-98 SIP2012-129 CS2012-104 |
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| Conference Information | |
| Committee | SIP CAS CS |
| Conference Date | 2013-03-14 - 2013-03-15 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Keio Univ. Tsuruoka Campus (Yamagata) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Network Processor, Signal Processing for communication, and Wireless LAN/PAN, etc. |
| Paper Information | |
| Registration To | CS |
| Conference Code | 2013-03-SIP-CAS-CS |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Performance improvement with channel ranking and cutting the symbol candidate branchs for complexity reducing sequential decision with QRM-MLD |
| Sub Title (in English) | |
| Keyword(1) | MIMO |
| Keyword(2) | QRM-MLD |
| Keyword(3) | OFDM |
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| 1st Author's Name | Tomoki Yoshimura |
| 1st Author's Affiliation | Chiba University (Chiba Univ.) |
| 2nd Author's Name | Yuta Ida |
| 2nd Author's Affiliation | Hiroshima City University (Hiroshima City Univ.) |
| 3rd Author's Name | Chang-Jun Ahn |
| 3rd Author's Affiliation | Chiba University (Chiba Univ.) |
| 4th Author's Name | Tatsuya Omori |
| 4th Author's Affiliation | Chiba University (Chiba Univ.) |
| 5th Author's Name | Ken-ya Hashimoto |
| 5th Author's Affiliation | Chiba University (Chiba Univ.) |
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| Speaker | Author-1 |
| Date Time | 2013-03-14 10:20:00 |
| Presentation Time | 25 minutes |
| Registration for | CS |
| Paper # | CAS2012-98, SIP2012-129, CS2012-104 |
| Volume (vol) | vol.112 |
| Number (no) | no.484(CAS), no.485(SIP), no.486(CS) |
| Page | pp.9-14 |
| #Pages | 6 |
| Date of Issue | 2013-03-07 (CAS, SIP, CS) |
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