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| Presentation | 2015-01-22 16:00 Frequency-Domain Equalization Suitable for Single-Carrier Space-Frequency Block Coded Transmit Diversity in Frequency-Selective Fading Channel Hiroyuki Miyazaki, Fumiyuki Adachi (Tohoku Univ.)  SIP2014-95 RCS2014-283 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Recently, we proposed multi-block frequency-domain equalization (MB-FDE) for time division duplex (TDD) single-carrier (SC) space-time block coded (STBC) diversity and showed that the use of MB-FDE can achieve a good BER performance even in high mobility environment. On the other hand, it is well known that space-frequency block coded (SFBC) diversity can achieve better BER performance than STBC diversity in high mobility environment. However, in a frequency-selective fading channel, the performance of SFBC diversity degrades due to interference caused by the orthogonality distortion of SFBC codeword. In this paper, we propose a multi-subcarrier FDE (MS-FDE) for TDD-SC-SFBC diversity in a frequency-selective fading channel. In the proposed MS-FDE, multiple FDE weights, each associated with each subcarrier, are jointly optimized based on minimum mean square error (MMSE) criterion taking into account the channel variation within SFBC codeword. We evaluate, by computer simulation, BER performance when using the proposed MS-FDE and show that MS-FDE can achieve better BER performance than conventional FDE. Furthermore, we compare STBC diversity with MB-FDE and SFBC diversity with MS-FDE and show the range of normalized rms delay spread and normalized Doppler spread in which SFBC diversity with MS-FDE outperforms STBC diversity with MB-FDE. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Space-frequency block coding / frequency-domain equalization / time and frequency-selective fading / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 395, RCS2014-283, pp. 85-90, Jan. 2015. | |
| Paper # | RCS2014-283 | |
| Date of Issue | 2015-01-15 (SIP, 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 | SIP2014-95 RCS2014-283 |
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| Conference Information | |
| Committee | SIP RCS |
| Conference Date | 2015-01-22 - 2015-01-23 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Okayama Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Signal Processing for Wireless Communications, etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2015-01-SIP-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Frequency-Domain Equalization Suitable for Single-Carrier Space-Frequency Block Coded Transmit Diversity in Frequency-Selective Fading Channel |
| Sub Title (in English) | |
| Keyword(1) | Space-frequency block coding |
| Keyword(2) | frequency-domain equalization |
| Keyword(3) | time and frequency-selective fading |
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| 1st Author's Name | Hiroyuki Miyazaki |
| 1st Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 2nd Author's Name | Fumiyuki Adachi |
| 2nd Author's Affiliation | Tohoku University (Tohoku Univ.) |
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| Speaker | Author-1 |
| Date Time | 2015-01-22 16:00:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | SIP2014-95, RCS2014-283 |
| Volume (vol) | vol.114 |
| Number (no) | no.394(SIP), no.395(RCS) |
| Page | pp.85-90 |
| #Pages | 6 |
| Date of Issue | 2015-01-15 (SIP, RCS) |
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