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Paper Abstract and Keywords
Presentation 2015-12-18 14:20
Effect of Joint Tx/Rx Cooperative Signal Processing on Downlink Broadband MU-MIMO Transmissions in Distributed Antenna Network
Shinya Kumagai, Fumiyuki Adachi (Tohoku Univ.) RCS2015-274
Abstract (in Japanese) (See Japanese page) 
(in English) The combination of distributed antenna network (DAN), where a number of antennas are distributed within each macro cell, and multi-user multiple-input multiple-output (MU-MIMO) achieves a high system throughput. Recently, we proposed a minimum mean square error (MMSE) based joint transmit and receive linear filtering (joint Tx/Rx filtering) for downlink broadband single-carrier (SC)-MU-MIMO transmission. Joint Tx/Rx filtering simultaneously mitigates the inter-symbol interference (ISI) caused by the frequency-selectivity of the channel, the inter-antenna interference (IAI) among antennas of user equipment (UE), and the inter-user interference (IUI), and hence, achieves better transmission quality than Tx MMSE filtering which is performed by the base station only. It should be noted that joint Tx/Rx filtering can be redesigned for orthogonal frequency-division multiplexing (OFDM) transmission where ISI is not produced. This paper validates the effect of joint Tx/Rx filtering on DAN downlink with SC or OFDM-MU-MIMO transmissions. The received signal-to-interference plus noise power ratio (SINR) after joint Tx/Rx filtering is theoretically derived, and then, throughput is calculated by Shannon’s theorem. Numerical results show that joint Tx/Rx filtering achieves better throughput than Tx MMSE filtering.
Keyword (in Japanese) (See Japanese page) 
(in English) downlink / MU-MIMO / distibuted antenna / joint Tx/Rx cooperative signal processing / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 369, RCS2015-274, pp. 181-186, Dec. 2015.
Paper # RCS2015-274 
Date of Issue 2015-12-10 (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 RCS2015-274

Conference Information
Committee NS RCS  
Conference Date 2015-12-17 - 2015-12-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Matsuyama Community Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Ad-hoc Network, Ubiquitous Network, Wireless Communication, security, Multi-Access Network 
Paper Information
Registration To RCS 
Conference Code 2015-12-NS-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Effect of Joint Tx/Rx Cooperative Signal Processing on Downlink Broadband MU-MIMO Transmissions in Distributed Antenna Network 
Sub Title (in English)  
Keyword(1) downlink  
Keyword(2) MU-MIMO  
Keyword(3) distibuted antenna  
Keyword(4) joint Tx/Rx cooperative signal processing  
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1st Author's Name Shinya Kumagai  
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 2015-12-18 14:20:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2015-274 
Volume (vol) vol.115 
Number (no) no.369 
Page pp.181-186 
#Pages 6 
Date of Issue 2015-12-10 (RCS) 

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