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Paper Abstract and Keywords
Presentation 2019-03-06 16:05
Packet Transmission Scheme Employing LT Codes for Wireless Sensor Networks including Sink Nodes
Yuuki Hida, Yuyuan Chang, Fukawa Kazuhiko (Tolyo Tech)
Abstract (in Japanese) (See Japanese page) 
(in English) Wireless sensor network (WSN) is a communication network that deploys a large number of wireless
sensors in a wide area, and that then transmits and collects information from the wireless sensors. Since the wireless sensors are located where the electric power is hard to supply, power saving is an important issue for WSN. Conventional schemes to collect the information perform packet retransmission, when transmitted packets are not successfully received. On the condition that the propagation characteristics are severely damaged, decision errors frequently occur, and increase the number of retransmissions, which results in increasing power consumption. In order to solve such a problem, this report proposes a packet transmission and collection scheme that applies the rateless code (LT code) to WSN with a sink node, which is robust against the decision errors and does not require packet retransmissions. In contrast with the conventional ones, the proposed scheme adaptively controls both the parameter of the degree distribution and the transition probabilities of the packets depending on the directions of the transitions, which are effective for WSN with the sink node. Computer simulations evaluate both packet error rates and the transmission times of the proposed scheme, and demonstrate that the proposed scheme is superior to the conventional ones.
Keyword (in Japanese) (See Japanese page) 
(in English) Wireless sensor network / sink node / packet retransmission / LT code / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 474, RCS2018-299, pp. 95-100, March 2019.
Paper # RCS2018-299 
Date of Issue 2019-02-27 (RCS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee RCS SR SRW  
Conference Date 2019-03-06 - 2019-03-08 
Place (in Japanese) (See Japanese page) 
Place (in English) YRP 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Communication Workshop 
Paper Information
Registration To RCS 
Conference Code 2019-03-RCS-SR-SRW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Packet Transmission Scheme Employing LT Codes for Wireless Sensor Networks including Sink Nodes 
Sub Title (in English)  
Keyword(1) Wireless sensor network  
Keyword(2) sink node  
Keyword(3) packet retransmission  
Keyword(4) LT code  
1st Author's Name Yuuki Hida  
1st Author's Affiliation Tokyo Institute of technology (Tolyo Tech)
2nd Author's Name Yuyuan Chang  
2nd Author's Affiliation Tokyo Institute of technology (Tolyo Tech)
3rd Author's Name Fukawa Kazuhiko  
3rd Author's Affiliation Tokyo Institute of technology (Tolyo Tech)
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Date Time 2019-03-06 16:05:00 
Presentation Time 25 
Registration for RCS 
Paper # IEICE-RCS2018-299 
Volume (vol) IEICE-118 
Number (no) no.474 
Page pp.95-100 
#Pages IEICE-6 
Date of Issue IEICE-RCS-2019-02-27 

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