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Paper Abstract and Keywords
Presentation 2008-03-07 15:30
Uplink capacity of a single-carrier multi-user MIMO multiplexing in a frequency-selective channel
Takahiro Chiba, Kazuaki Takeda, Fumiyuki Adachi (Tohoku Univ.) RCS2007-239
Abstract (in Japanese) (See Japanese page) 
(in English) A single-carrier version of multi-user MIMO multiplexing has been attracting a lot of attention due to its low peak-to-average power ratio (PAPR). Recently, we have evaluated the uplink capacity of single-carrier (SC) multi-user MIMO multiplexing assuming frequency non-selective fading channel. As a result, it was shown that, although zero-forcing (ZF) detection and minimum mean square error (MMSE) detection provide approximately the same link capacity as MRC diversity, MLD can increase the link capacity of multi-user MIMO multiplexing over MRC diversity. In the case of broadband mobile communications, however, frequency selectivity of channel should be taken into account. Frequency domain equalization (FDE) for SC transmissions provides good bit error rate (BER) performance because of the frequency diversity effect. In this paper, we evaluate, by computer simulation, the uplink capacity of single-carrier multi-user MIMO multiplexing using FDE, in frequency-selective fading channel. The uplink capacity is obtained using the complimentary cumulative distribution function (CCDF) of the local average BER. Since the computational complexity of frequency-domain MLD is prohibitively large, ZF detection and MMSE detection are considered. It is shown that MIMO multiplexing in a frequency selective fading channel provides larger uplink capacity than that in a frequency-non-selective fading channel. Also in frequency-selective fading channel, ZF and MMSE detection provide approximately 1.3 times larger uplink capacity than MMSE-FDE receive antenna diversity in the case of 8 receive antennas.
Keyword (in Japanese) (See Japanese page) 
(in English) Multi-user MIMO / single-carrier transmission / frequency-domain equalization / cellular system / uplink capacity / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 518, RCS2007-239, pp. 317-322, March 2008.
Paper # RCS2007-239 
Date of Issue 2008-02-27 (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 RCS2007-239

Conference Information
Committee RCS AN MoNA SR WBS  
Conference Date 2008-03-05 - 2008-03-07 
Place (in Japanese) (See Japanese page) 
Place (in English) YRP 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCS 
Conference Code 2008-03-RCS-AN-MoMuC-SR-WBS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Uplink capacity of a single-carrier multi-user MIMO multiplexing in a frequency-selective channel 
Sub Title (in English)  
Keyword(1) Multi-user MIMO  
Keyword(2) single-carrier transmission  
Keyword(3) frequency-domain equalization  
Keyword(4) cellular system  
Keyword(5) uplink capacity  
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Keyword(8)  
1st Author's Name Takahiro Chiba  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Kazuaki Takeda  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Fumiyuki Adachi  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2008-03-07 15:30:00 
Presentation Time 20 minutes 
Registration for RCS 
Paper # RCS2007-239 
Volume (vol) vol.107 
Number (no) no.518 
Page pp.317-322 
#Pages 6 
Date of Issue 2008-02-27 (RCS) 

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