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Paper Abstract and Keywords
Presentation 2017-03-01 13:35
Study on Scheduling for Large-Scale Distributed Antenna Small-Cell Network Using STBC Transmit Diversity
Tomoyuki Saito, Fumiyuki Adachi (Tohoku Univ.) RCS2016-296
Abstract (in Japanese) (See Japanese page) 
(in English) To realize the fifth generation (5G) mobile communication systems, we proposed cooperative distributed antenna transmission (CDAT). In the mobile communication systems, many active user are existed in macro-cell, and the received power and the CCI power of each user is varied according to user’s position. Therefore, the user scheduling scheme (Proportional Fair (PF), Round-robin (RR), Max-SNR) is required for effectively utilizing a radio communication band while ensuring the fairness of each user. We have been studying user scheduling scheme for CDAT using space-time block coded (STBC) diversity that can obtain large spatial diversity order while using arbitrary distributed antennas. We have found in our previous work that as the frequency selectivity of the channel gets stronger, the differences in averaged channel gains, due to multipath fading, among active users is substantially reduced and therefore even the RR scheduling provides the link capacity similar to the PF scheduling. To improve the link capacity, increasing number of distributed antennas in macro-cell is effective. However, small-cell network using more than 7 distributed antennas has not been sufficiently examined.
In this paper, we report the result of studies on large-scale distributed antenna small-cell network using seven or more distributed antennas. We evaluate, by computer simulation, the relationship of average sum link capacity, user link capacity, and Jain’s fairness index. We discuss the impact of number of distributed antennas and the impact of distributed antenna deployment (uniform and random).
Keyword (in Japanese) (See Japanese page) 
(in English) cooperative distributed antenna transmission / space-time block coding / scheduling / / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 479, RCS2016-296, pp. 43-48, March 2017.
Paper # RCS2016-296 
Date of Issue 2017-02-22 (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)
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Conference Information
Committee RCS SR SRW  
Conference Date 2017-03-01 - 2017-03-03 
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 2017-03-RCS-SR-SRW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study on Scheduling for Large-Scale Distributed Antenna Small-Cell Network Using STBC Transmit Diversity 
Sub Title (in English)  
Keyword(1) cooperative distributed antenna transmission  
Keyword(2) space-time block coding  
Keyword(3) scheduling  
1st Author's Name Tomoyuki Saito  
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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Date Time 2017-03-01 13:35:00 
Presentation Time 25 
Registration for RCS 
Paper # IEICE-RCS2016-296 
Volume (vol) IEICE-116 
Number (no) no.479 
Page pp.43-48 
#Pages IEICE-6 
Date of Issue IEICE-RCS-2017-02-22 

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