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Paper Abstract and Keywords
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
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.
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
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

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  
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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Date Time 2015-01-22 16:00:00 
Presentation Time 25 
Registration for RCS 
Paper # IEICE-SIP2014-95,IEICE-RCS2014-283 
Volume (vol) IEICE-114 
Number (no) no.394(SIP), no.395(RCS) 
Page pp.85-90 
#Pages IEICE-6 
Date of Issue IEICE-SIP-2015-01-15,IEICE-RCS-2015-01-15 

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