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| Presentation | 2009-03-09 10:15 Reduced-Rank MMSE Signal Detection for MC/CDMA Communication Systems Akihiko Furuya, Tsuyoshi Ichikawa, Kohei Otake (Hosei Univ.)  IT2008-71 ISEC2008-129 WBS2008-84 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The MC/CDMA communication system has received much attention as one of the most promising systems for the future high-speed mobile communication because of its high frequency utilization efficiency and easy equalization of received data, suffered from only flat fading under multipath environments. But, when applying the MMSE signal detection, there occurs such a problem that it is very sensitive to channel estimation errors, causing severe SINR performance degradation. The DL (Diagonal Loading) technique has been mainly reported as a method to provide robustness against such errors. In this paper, we study the effectiveness of the reduce-rank signal detection method in providing the robustness against the channel estima-tion errors, in comparison with the DL technique. Specifically, two reduced-rank filters; the CGRRF (Conjugate Gradient Re-duced Rank Filter) based on the conjugate gradient method, and RGMF (Recursive Gradient MMSE Filter) previously pro-posed by the authors, are experimentally discussed with respect to the robustness, and comparisons with the DL are also given. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | MC/CDMA / diagonal loading / Reduced-Rank MMSE methods / RGMF / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 108, no. 474, WBS2008-84, pp. 173-178, March 2009. | |
| Paper # | WBS2008-84 | |
| Date of Issue | 2009-03-02 (IT, ISEC, WBS) | |
| 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 | IT2008-71 ISEC2008-129 WBS2008-84 |
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| Conference Information | |
| Committee | WBS IT ISEC |
| Conference Date | 2009-03-09 - 2009-03-10 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hakodate Mirai Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | WBS |
| Conference Code | 2009-03-WBS-IT-ISEC |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Reduced-Rank MMSE Signal Detection for MC/CDMA Communication Systems |
| Sub Title (in English) | |
| Keyword(1) | MC/CDMA |
| Keyword(2) | diagonal loading |
| Keyword(3) | Reduced-Rank MMSE methods |
| Keyword(4) | RGMF |
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| 1st Author's Name | Akihiko Furuya |
| 1st Author's Affiliation | Hosei University (Hosei Univ.) |
| 2nd Author's Name | Tsuyoshi Ichikawa |
| 2nd Author's Affiliation | Hosei University (Hosei Univ.) |
| 3rd Author's Name | Kohei Otake |
| 3rd Author's Affiliation | Hosei University (Hosei Univ.) |
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| Speaker | Author-1 |
| Date Time | 2009-03-09 10:15:00 |
| Presentation Time | 25 minutes |
| Registration for | WBS |
| Paper # | IT2008-71, ISEC2008-129, WBS2008-84 |
| Volume (vol) | vol.108 |
| Number (no) | no.472(IT), no.473(ISEC), no.474(WBS) |
| Page | pp.173-178 |
| #Pages | 6 |
| Date of Issue | 2009-03-02 (IT, ISEC, WBS) |
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