NDLI: Message batching in wireless sensor networks — A perturbation analysis approach

Content Provider	IEEE Xplore Digital Library
Author	Xu Ning Cassandras, C.G.
Copyright Year	2007
Description	Author affiliation: Boston Univ., Brookline (Xu Ning; Cassandras, C.G.)
Abstract	We address the problem of batching messages generated at nodes of a sensor network for the purpose of reducing communication energy at the expense of added latency. We first develop a baseline analytical model, derive conditions under which batching is profitable, and explicitly determine a batching time that optimizes a performance metric capturing the tradeoff between communication energy and message latency. We then provide an on-line performance optimization method based on Smoothed Perturbation Analysis (SPA) for estimating the performance sensitivity with respect to the controllable batching time. We prove that the SPA gradient estimator is unbiased and combine it with a Stochastic Approximation (SA) algorithm for on-line optimization. Numerical results are provided for Poisson and Markov modulated Poisson arrival processes and illustrate the effectiveness of the message batching scheme.
Starting Page	939
Ending Page	944
File Size	275215
Page Count	6
File Format	PDF
ISBN	9781424414970
ISSN	01912216
DOI	10.1109/CDC.2007.4434280
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-12-12
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless sensor networks Delay Analytical models Measurement Energy capture Optimization Performance analysis Communication system control Stochastic processes Approximation algorithms Batching Wireless Sensor Network Perturbation Analysis
Content Type	Text
Resource Type	Article

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