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Paper Abstract and Keywords
Presentation 2014-01-24 09:20
Comparative Study of OFDMA and SC-FDMA Using Turbo SIC for MIMO SDM with 8 Transmit/Receive Antennas
Chihiro Mori (Tokyo City Univ.), Teruo Kawamura, Hidekazu Taoka (NTT DOCOMO), Mamoru Sawahashi (Tokyo City Univ.) SIP2013-111 RCS2013-281
Abstract (in Japanese) (See Japanese page) 
(in English) This paper presents comparative study of orthogonal frequency division multiple access (OFDMA) and single-carrier (SC)-FDMA using turbo soft interference canceller (SIC) from the viewpoint of throughput for multiple-input multiple-output (MIMO) spatial division multiplexing (SDM) with 8 transmit/receive antennas. Computer simulation results show that turbo SIC using soft-symbol estimation based on the a posteriori log-likelihood ratio (LLR) at the Max-Log-MAP decoder output achieves better average block error rate (BLER) performance level compared to that based on the extrinsic LLR. We also show that reference signal (RS) multiplexing using cyclic shifts (CSs) of Zadoff-Chu sequence and orthogonal cover (OC) improves average BLER performance level compared to that using only the CSs for 8-antenna MIMO SDM. Moreover, we show that OFDMA achieves the superior throughput performance compared to SC-FDMA with 16QAM and 64QAM schemes when using turbo SIC for 6-by-6 and 8-by-8 MIMO SDM.
Keyword (in Japanese) (See Japanese page) 
(in English) MIMO SDM / OFDMA / single-carrier FDMA / turbo SIC / LLR / reference signal multiplexing / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 386, RCS2013-281, pp. 151-156, Jan. 2014.
Paper # RCS2013-281 
Date of Issue 2014-01-16 (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 SIP2013-111 RCS2013-281

Conference Information
Committee RCS SIP  
Conference Date 2014-01-23 - 2014-01-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyushu Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Signal Processing for Wireless Systems, etc. 
Paper Information
Registration To RCS 
Conference Code 2014-01-RCS-SIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Comparative Study of OFDMA and SC-FDMA Using Turbo SIC for MIMO SDM with 8 Transmit/Receive Antennas 
Sub Title (in English)  
Keyword(1) MIMO SDM  
Keyword(2) OFDMA  
Keyword(3) single-carrier FDMA  
Keyword(4) turbo SIC  
Keyword(5) LLR  
Keyword(6) reference signal multiplexing  
1st Author's Name Chihiro Mori  
1st Author's Affiliation Tokyo City University (Tokyo City Univ.)
2nd Author's Name Teruo Kawamura  
2nd Author's Affiliation NTT DOCOMO (NTT DOCOMO)
3rd Author's Name Hidekazu Taoka  
3rd Author's Affiliation NTT DOCOMO (NTT DOCOMO)
4th Author's Name Mamoru Sawahashi  
4th Author's Affiliation Tokyo City University (Tokyo City Univ.)
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Date Time 2014-01-24 09:20:00 
Presentation Time 25 
Registration for RCS 
Paper # IEICE-SIP2013-111,IEICE-RCS2013-281 
Volume (vol) IEICE-113 
Number (no) no.385(SIP), no.386(RCS) 
Page pp.151-156 
#Pages IEICE-6 
Date of Issue IEICE-SIP-2014-01-16,IEICE-RCS-2014-01-16 

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