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| Presentation | 2009-07-17 13:40 Experimental Evaluation of LDPC-Coded MIMO System with Spatial and Time Interleavers Kazuhiko Mitsuyama, Kohei Kambara, Takayuki Nakagawa, Tetsuomi Ikeda (NHK), Tomoaki Ohtsuki (Keio Univ.)  RCS2009-68 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We have been developing an 800MHz-band MIMO-OFDM FPU system that can achieve a higher spectrum efficiency and more reliable mobile wireless transmission.To enhance the mobile transmission performance in an urban area including LOS environments, we propose an iterative LDPC-Coded MIMO system with long term interleaving. We previously showed by computer simulation that it could effectively improve the bit error rate performance.Following the computer simulation, some field experiments were conducted in an urban area, and the capability of the LDPC-Coded MIMO system which has a spatial interleaver in addition to time interleaver was determined. In this report, we show that the bit error rate performance has been significantly improved when both interleavers are used especially in high eigenvalue-ratio environments such as LOS environments. However, the performance improvement is less if only one of them is used. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | MIMO / LDPC / MMSE-SIC / outdoor experiment / time interleaving / spatial interleaving / / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, no. 130, RCS2009-68, pp. 89-94, July 2009. | |
| Paper # | RCS2009-68 | |
| Date of Issue | 2009-07-09 (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 | RCS2009-68 |
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| Conference Information | |
| Committee | NS RCS |
| Conference Date | 2009-07-16 - 2009-07-17 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hokkaido University (Hokkaido) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Fixed/Wireless Network, Hand Over, Distributed MIMO, Mobile Ad-hoc Network |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2009-07-NS-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Experimental Evaluation of LDPC-Coded MIMO System with Spatial and Time Interleavers |
| Sub Title (in English) | |
| Keyword(1) | MIMO |
| Keyword(2) | LDPC |
| Keyword(3) | MMSE-SIC |
| Keyword(4) | outdoor experiment |
| Keyword(5) | time interleaving |
| Keyword(6) | spatial interleaving |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kazuhiko Mitsuyama |
| 1st Author's Affiliation | NHK (NHK) |
| 2nd Author's Name | Kohei Kambara |
| 2nd Author's Affiliation | NHK (NHK) |
| 3rd Author's Name | Takayuki Nakagawa |
| 3rd Author's Affiliation | NHK (NHK) |
| 4th Author's Name | Tetsuomi Ikeda |
| 4th Author's Affiliation | NHK (NHK) |
| 5th Author's Name | Tomoaki Ohtsuki |
| 5th Author's Affiliation | Keio University (Keio Univ.) |
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| Speaker | Author-1 |
| Date Time | 2009-07-17 13:40:00 |
| Presentation Time | 20 minutes |
| Registration for | RCS |
| Paper # | RCS2009-68 |
| Volume (vol) | vol.109 |
| Number (no) | no.130 |
| Page | pp.89-94 |
| #Pages | 6 |
| Date of Issue | 2009-07-09 (RCS) |
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