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Paper Abstract and Keywords
Presentation 2017-03-03 16:25
A simulation study on multi-hop communication based on LTE device-to-device communication
Koichiro Kitagawa, Hiroaki Homma, Yasuhiro Suegara (KDDI Research) RCS2016-334
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, network to UE relay communication has been studied as a candidate technique to improve system capacity in the cellular systems. However, when the network to UE relay communication is extended to multi-hop device-to-device (D2D) communication, interference among links of the same multi-hop D2D communication severely degrades the end-to-end (E2E) throughput. In this paper, a group-based resource allocation scheme is evaluated through system-level simulation in order to reduce such interference. As an example of the evaluation results, it is observed that the E2E throughput is improved by 22% when the D2D resource is divided into 4 groups, compared with the case without the proposed scheme. However, it is also observed that the E2E throughput is degraded by 8% when the D2D resource is divided into 2 groups. It is confirmed by further analysis that the degradation is occurred because the proposed scheme is not aware of dominant interfering links.
Keyword (in Japanese) (See Japanese page) 
(in English) LTE D2D / Multi-hop Communication / / / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 479, RCS2016-334, pp. 253-258, March 2017.
Paper # RCS2016-334 
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) A simulation study on multi-hop communication based on LTE device-to-device communication 
Sub Title (in English)  
Keyword(1) LTE D2D  
Keyword(2) Multi-hop Communication  
1st Author's Name Koichiro Kitagawa  
1st Author's Affiliation KDDI Research, Inc. (KDDI Research)
2nd Author's Name Hiroaki Homma  
2nd Author's Affiliation KDDI Research, Inc. (KDDI Research)
3rd Author's Name Yasuhiro Suegara  
3rd Author's Affiliation KDDI Research, Inc. (KDDI Research)
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Speaker Author-1 
Date Time 2017-03-03 16:25:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2016-334 
Volume (vol) vol.116 
Number (no) no.479 
Page pp.253-258 
Date of Issue 2017-02-22 (RCS) 

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