NDLI: Retransmission or redundancy: Transmission reliability study in wireless sensor networks

Content Provider	Springer Nature Link
Author	Wen, Hao Lin, Chuang Ren, FengYuan Zhou, Jia Yue, Yao Huang, XiaoMeng
Copyright Year	2011
Abstract	As an application-driven network, wireless sensor network generally requires data reliability to maintain detection and response capabilities. Although two approaches, namely, retransmission and redundancy, have been proposed to enhance data reliability, the theoretical work is required to evaluate their impact on transmission reliability and energy efficiency. In this paper, we offer a comprehensive theoretical study on packet arrival probability and average energy consumption for both approaches. Our analysis and simulations indicate that when loss probabilities remain low or moderate, erasure coding, a typical redundancy-based scheme, is more energy efficient than retransmission. We also demonstrate that the resistance capability of erasure coding against packet loss weakens as the hop number increases, which motivates us to propose two improved mechanism based on the idea of the loss detection and the loss recovery. Finally, the simulation results carried out using TOSSIM verify the performance of different mechanisms both in the chain topology and the tree topology.
Starting Page	737
Ending Page	746
Page Count	10
File Format	PDF
ISSN	1674733X
Journal	Science in China Series : Information Sciences
Volume Number	55
Issue Number	4
e-ISSN	18691919
Language	English
Publisher	SP Science China Press
Publisher Date	2011-11-02
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	reliability energy efficiency retransmission redundancy erasure coding Information Systems and Communication Service
Content Type	Text
Resource Type	Article
Subject	Computer Science

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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