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Paper Abstract and Keywords
Presentation 2016-03-02 10:50
Study on scheduling for OFDMA downlink using distributed antenna space-time coding diversity
Yumeto Mori, Hiroyuki Miyazaki, Fumiyuki Adachi (Tohoku Univ.) RCS2015-337
Abstract (in Japanese) (See Japanese page) 
(in English) The user downlink capacity can be improved by using Orthogonal Frequency Division Multiple Access (OFDMA) and the multi-user scheduling which exploits a fact that the channel condition is different for a different user. In conventional macro-cell networks, the proportional fairness (PF)-map scheduling is adopted since users at different locations in a macro-cell area experience quite different channel conditions to each other. However, in a small-cell structured network using distributed antennas which is recently under an extensive study toward the fifth-generation mobile communication systems, the channel condition of a user becomes similar to each other and therefore, other scheduling schemes rather than PF map scheduling can be used. In this paper, we consider the PF-map scheduling, max-map scheduling and round-robin and we evaluate the achievable downlink channel capacity and fairness. We will show that the round-robin achieves similar channel capacity to the PF-map scheduling and that although the 90%-outage user capacity is lower than the max-map scheduling, it achieves the 10%-outage user capacity higher than the max-map scheduling.
Keyword (in Japanese) (See Japanese page) 
(in English) Small cell network using a distributed antenna / OFDMA / Scheduling / / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 472, RCS2015-337, pp. 25-30, March 2016.
Paper # RCS2015-337 
Date of Issue 2016-02-24 (RCS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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 RCS2015-337

Conference Information
Committee RCS CCS SR SRW  
Conference Date 2016-03-02 - 2016-03-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Communication Workshop 
Paper Information
Registration To RCS 
Conference Code 2016-03-RCS-CCS-SR-SRW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study on scheduling for OFDMA downlink using distributed antenna space-time coding diversity 
Sub Title (in English)  
Keyword(1) Small cell network using a distributed antenna  
Keyword(2) OFDMA  
Keyword(3) Scheduling  
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1st Author's Name Yumeto Mori  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Hiroyuki Miyazaki  
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 2016-03-02 10:50:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2015-337 
Volume (vol) vol.115 
Number (no) no.472 
Page pp.25-30 
#Pages 6 
Date of Issue 2016-02-24 (RCS) 

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