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Paper Abstract and Keywords
Presentation 2020-11-27 12:10
Performance Analysis of D2D-Unlicensed Communications with Mode Selection
Ganggui Wang, Celimuge Wu, Tsutomu Yoshinaga (UEC), Yusheng Ji (NII) CQ2020-59
Abstract (in Japanese) (See Japanese page) 
(in English) With the increasing density of mobile devices, smaller and smaller distance between devices brings some new communication opportunities. Device-to-Device (D2D) communication, which can enable direct connection between the nearby user equipments (UEs), is one of the key technologies in 5G network. In this paper, D2D communication on the unlicensed spectrum, namely, D2D-U, is discussed. D2D-U system performance can be efficiently enhanced by utilizing the unlicensed band which is used by many other popular unlicensed networks such as Wi-Fi and Bluetooth. However, it causes a big impact on the performance of other networks since it is based on the unlicensed band shared with other traditional unlicensed networks. Therefore, the fairness of the coexistence scheme is a key problem for D2D-U. To solve the coexistence problem, two access schemes called Listen Before Talk (LBT) and Duty Cycle Mechanism (DCM) are proposed extensively. D2D users choose the transmission mode from LBT mode and DCM mode. The performance of each mode is discussed in this paper. Furthermore, the problem of how to access the unlicensed band is also be discussed.
Keyword (in Japanese) (See Japanese page) 
(in English) Device-to-Device / Mode Selection / Listen Before Talk / Duty Cycle / / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 258, CQ2020-59, pp. 66-71, Nov. 2020.
Paper # CQ2020-59 
Date of Issue 2020-11-19 (CQ) 
ISSN 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 CQ2020-59

Conference Information
Committee NS ICM CQ NV  
Conference Date 2020-11-26 - 2020-11-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network quality, Network measurement/management, Network virtualization, Network service, Blockchain, Security, Network intelligence, etc. 
Paper Information
Registration To CQ 
Conference Code 2020-11-NS-ICM-CQ-NV 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Performance Analysis of D2D-Unlicensed Communications with Mode Selection 
Sub Title (in English)  
Keyword(1) Device-to-Device  
Keyword(2) Mode Selection  
Keyword(3) Listen Before Talk  
Keyword(4) Duty Cycle  
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1st Author's Name Ganggui Wang  
1st Author's Affiliation The University of Electro-Communications (UEC)
2nd Author's Name Celimuge Wu  
2nd Author's Affiliation The University of Electro-Communications (UEC)
3rd Author's Name Tsutomu Yoshinaga  
3rd Author's Affiliation The University of Electro-Communications (UEC)
4th Author's Name Yusheng Ji  
4th Author's Affiliation National Institute of Informatics (NII)
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Speaker Author-1 
Date Time 2020-11-27 12:10:00 
Presentation Time 25 minutes 
Registration for CQ 
Paper # CQ2020-59 
Volume (vol) vol.120 
Number (no) no.258 
Page pp.66-71 
#Pages 6 
Date of Issue 2020-11-19 (CQ) 

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