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Paper Abstract and Keywords
Presentation 2017-07-27 13:45
[Invited Talk] A Study on Application of Hardware Accelerator for Radio-resource Scheduler in 5G Mobile Systems
Yuki Arikawa, Takeshi Sakamoto, Shunji Kimura (NTT) CS2017-24
Abstract (in Japanese) (See Japanese page) 
(in English) For the fifth generation mobile communication systems (5G), in order to increase overall system throughput, ultra-high-density distributed antenna systems have been studied. Resource scheduling controls radio transmission of all antennas in the system. The scheduling searches for the suitable combination of antennas and user equipment from a huge number of passible combinations within the limited scheduling period. In order to test more combinations, we devised a novel scheduler that accelerates the scheduling process and improves the combination until the scheduling period expired. Experimental results show that the scheduler performs the calculation of the system throughput 60 times faster than software-based processing. Simulation results show that the scheduler can improve the system throughput by approximately 13%. Furthermore, we devised two architectures of scheduler with a hardware accelerator and clarified the advantages of them. These techniques enable a future practical 5G system.
Keyword (in Japanese) (See Japanese page) 
(in English) 5G / Ultra-high-density distributed antenna systems / Scheduling / Hardware acceleration / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 156, CS2017-24, pp. 53-58, July 2017.
Paper # CS2017-24 
Date of Issue 2017-07-20 (CS) 
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Notes on Review This article is a technical report without peer review, and its polished version will be published elsewhere.
Download PDF CS2017-24

Conference Information
Committee CS  
Conference Date 2017-07-27 - 2017-07-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Fukue Bunka Kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Next generation networks, access network, broadband access system, power-line communications, wireless communication systems, coding system, etc. 
Paper Information
Registration To CS 
Conference Code 2017-07-CS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Application of Hardware Accelerator for Radio-resource Scheduler in 5G Mobile Systems 
Sub Title (in English)  
Keyword(1) 5G  
Keyword(2) Ultra-high-density distributed antenna systems  
Keyword(3) Scheduling  
Keyword(4) Hardware acceleration  
1st Author's Name Yuki Arikawa  
1st Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
2nd Author's Name Takeshi Sakamoto  
2nd Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
3rd Author's Name Shunji Kimura  
3rd Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
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Date Time 2017-07-27 13:45:00 
Presentation Time 25 
Registration for CS 
Paper # IEICE-CS2017-24 
Volume (vol) IEICE-117 
Number (no) no.156 
Page pp.53-58 
#Pages IEICE-6 
Date of Issue IEICE-CS-2017-07-20 

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