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Paper Abstract and Keywords
Presentation 2022-08-25 12:05
Device-to-Device Communications Employing Fog Nodes with Parallel Interference Cancellers
Binu Shrestha, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech) RCS2022-105
Abstract (in Japanese) (See Japanese page) 
(in English) Device-to-device (D2D) communication allows user terminals to directly communicate with each other without the need for any base stations (BSs). Since the D2D communication underlaying a cellular system shares frequency channels with BSs, co-channel interference may occur. Successive interference cancellation (SIC), which detects and subtracts user signals from received signals in descending order of received power, can cope with the above interference and has already been applied to fog nodes that manage communications among machine-to-machine (M2M) devices besides direct communications with BSs. When differences among received power levels of user signals are negligible, however, SIC cannot work well and thus causes degradation in bit error rate (BER) performance. To solve such a problem, this report proposes to apply parallel interference cancellation (PIC), which can simultaneously detect both desired and interfering signals under the maximum likelihood criterion and can outperform SIC irrespective of channel conditions even when power level differences among users are small. Computer simulations show that PIC can achieve 10% higher average system throughput than that of SIC. As for transmission delay time, it is demonstrated that PIC can shorten the delay time more than any other schemes, although the fog node causes the delay time of 1 ms at least.
Keyword (in Japanese) (See Japanese page) 
(in English) Device-to-device (D2D) / fog node / interference cancellation / SIC / PIC / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 164, RCS2022-105, pp. 48-53, Aug. 2022.
Paper # RCS2022-105 
Date of Issue 2022-08-18 (RCS) 
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 RCS2022-105

Conference Information
Committee SAT RCS  
Conference Date 2022-08-25 - 2022-08-26 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCS 
Conference Code 2022-08-SAT-RCS 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Device-to-Device Communications Employing Fog Nodes with Parallel Interference Cancellers 
Sub Title (in English)  
Keyword(1) Device-to-device (D2D)  
Keyword(2) fog node  
Keyword(3) interference cancellation  
Keyword(4) SIC  
Keyword(5) PIC  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Binu Shrestha  
1st Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
2nd Author's Name Yuyuan Chang  
2nd Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
3rd Author's Name Kazuhiko Fukawa  
3rd Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
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Speaker Author-1 
Date Time 2022-08-25 12:05:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2022-105 
Volume (vol) vol.122 
Number (no) no.164 
Page pp.48-53 
#Pages 6 
Date of Issue 2022-08-18 (RCS) 

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