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Paper Abstract and Keywords
Presentation 2011-10-26 10:40
Channel Capacity Improvement of MIMO Spatial Multiplexing on Distributed Antenna Network
Shinya Kumagai, Ryusuke Matsukawa, Tatsunori Obara, Tetsuya Yamamoto, Fumiyuki Adachi (Tohoku Univ.) RCS2011-144 SR2011-44 AN2011-22 USN2011-24
Abstract (in Japanese) (See Japanese page) 
(in English) Distributed antenna network (DAN), in which antennas are spatially distributed over the wireless cell, can suppress the impacts of distance-dependent path loss and shadowing loss as well as that of fading by using multiple antennas for the multiple-input multiple-output (MIMO) transmissions. MIMO spatial multiplexing is especially suitable for DAN because of its high received signal power. In this paper, we compare the downlink channel capacity of MIMO spatial multiplexing in DAN to that in conventional cellular network (CN) in which antennas are centralized at the center of the wireless cell. Assuming the block transmission with cyclic prefix (CP), we derive a channel capacity expression for downlink MIMO spatial multiplexing in a frequency-selective channel. The downlink channel capacity distribution in DAN and that in CN are evaluated by Monte Carlo numerical computation method. It is shown that DAN-MIMO spatial multiplexing can significantly reduce the required transmit power compared to CN-MIMO spatial multiplexing and it can achieve high channel capacity over the entire cell.
Keyword (in Japanese) (See Japanese page) 
(in English) distributed antenna / MIMO spatial multiplexing / channel capacity / frequency-selective channel / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 260, RCS2011-144, pp. 25-30, Oct. 2011.
Paper # RCS2011-144 
Date of Issue 2011-10-19 (RCS, SR, AN, USN) 
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 RCS2011-144 SR2011-44 AN2011-22 USN2011-24

Conference Information
Committee RCS AN SR USN  
Conference Date 2011-10-26 - 2011-10-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Sophia Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wireless Distributed Networks, etc. 
Paper Information
Registration To RCS 
Conference Code 2011-10-RCS-AN-SR-USN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Channel Capacity Improvement of MIMO Spatial Multiplexing on Distributed Antenna Network 
Sub Title (in English)  
Keyword(1) distributed antenna  
Keyword(2) MIMO spatial multiplexing  
Keyword(3) channel capacity  
Keyword(4) frequency-selective channel  
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1st Author's Name Shinya Kumagai  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Ryusuke Matsukawa  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Tatsunori Obara  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
4th Author's Name Tetsuya Yamamoto  
4th Author's Affiliation Tohoku University (Tohoku Univ.)
5th Author's Name Fumiyuki Adachi  
5th Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2011-10-26 10:40:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2011-144, SR2011-44, AN2011-22, USN2011-24 
Volume (vol) vol.111 
Number (no) no.260(RCS), no.261(SR), no.262(AN), no.263(USN) 
Page pp.25-30(RCS), pp.7-12(SR), pp.7-12(AN), pp.7-12(USN) 
#Pages 6 
Date of Issue 2011-10-19 (RCS, SR, AN, USN) 

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