NDLI: A Distributed Wake-Up Scheduling for Opportunistic Forwarding in Wireless Sensor Networks

Content Provider	IEEE Xplore Digital Library
Author	Chul-Ho Lee Do Young Eun
Copyright Year	2010
Abstract	In wireless sensor networks (WSNs), sensor nodes are typically subjected to energy constraints and often prone to topology changes. While \emph{duty cycling} has been widely used for energy conservation in WSNs, \emph{random walks} have been popular for many delay-tolerant applications in WSNs due to their many inherent desirable properties. In this paper, we consider an opportunistic forwarding under an asynchronous and heterogeneous duty cycling. We first show that its resulting packet trajectory can be interpreted as a continuous-time random walk, and then provide an analytical formula for its end-to-end delay. Since the extremely large end-to-end delay is still undesirable even for most delay-tolerant applications, we develop a \emph{distributed} wake-up scheduling algorithm in which each node autonomously adjusts its (heterogeneous) wake-up rate based \emph{only} on its own degree information so as to improve the worst-case end-to-end delay. In particular, we prove that our algorithm outperforms pure homogeneous duty cycling, where every node uses the same wake-up rate, in its guaranteed asymptotic upper bound of the worst-case delay for \emph{any} graph. In addition, we show that our proposed algorithm brings out more than $35\%$ performance improvement on average when compared with pure homogeneous duty cycling, under various settings of random geometric graphs via numerical evaluations and independent simulation results.
Starting Page	1
Ending Page	5
File Size	192734
Page Count	5
File Format	PDF
ISBN	9781424456369
ISSN	1930529X
e-ISBN	9781424456383
e-ISBN	9781424456376
DOI	10.1109/GLOCOM.2010.5683254
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-12-06
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Peer to peer computing Delay Topology Wireless sensor networks Network topology Simulation Markov processes
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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