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Paper Abstract and Keywords
Presentation 2017-03-03 10:25
A Low Complexity Scheduling Scheme for L2 C-RAN with Massive MIMO
Jun Shikida, Naoto Ishii (NEC) RCS2016-324
Abstract (in Japanese) (See Japanese page) 
(in English) Massive MIMO and C-RAN (Cloud-RAN) are promising technologies for the 5th generation (5G) mobile communication systems. When the massive MIMO antenna is used for the distributed unit (DU) of C-RAN, L2 C-RAN is a promising approach to reduce the data volume between central unit (CU) and the DU. L2 C-RAN with massive MIMO requires low complexity scheduling because the scheduler is placed in the CU and needs to select many users. In this report, we propose a low complexity scheduling scheme which estimates the SINR of each user based on channel correlation between users. Computer simulation results show that the complexity of the proposed scheme is reduced to 1/14 in comparison with the scheme based on precoding matrix without throughput degradation. It is also shown that through the shift of the correlation calculation from the CU to the DU the complexity of the proposed scheme is reduced to 1/440 in comparison with the precoding matrix based scheme.
Keyword (in Japanese) (See Japanese page) 
(in English) 5G / Massive MIMO / C-RAN / Multi-user MIMO / Scheduling / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 479, RCS2016-324, pp. 193-198, March 2017.
Paper # RCS2016-324 
Date of Issue 2017-02-22 (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 RCS2016-324

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) A Low Complexity Scheduling Scheme for L2 C-RAN with Massive MIMO 
Sub Title (in English)  
Keyword(1) 5G  
Keyword(2) Massive MIMO  
Keyword(3) C-RAN  
Keyword(4) Multi-user MIMO  
Keyword(5) Scheduling  
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1st Author's Name Jun Shikida  
1st Author's Affiliation NEC Corporation (NEC)
2nd Author's Name Naoto Ishii  
2nd Author's Affiliation NEC Corporation (NEC)
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Speaker Author-1 
Date Time 2017-03-03 10:25:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2016-324 
Volume (vol) vol.116 
Number (no) no.479 
Page pp.193-198 
#Pages 6 
Date of Issue 2017-02-22 (RCS) 

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