A probabilistic signal-strength-based evaluation methodology for sensor network deployment

Sheng Po Kuo, Yu-Chee Tseng*, Fang Jing Wu, Chun Yu Lin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

The deployment of senor networks has attracted a lot of attention recently. In essence this issue is concerned with how well a sensing field is monitored by sensors to achieve a particular coverage. In this paper, we propose a signal-strength-based approach to evaluate how well a sensing field is covered/monitored. We first formulate object tracking by a single sensor as a Gaussian-error model. Then we establish an error model on location estimation, given that the location of an object is known. This leads to a model to evaluate a sensor network with the given locations of sensors. We then apply the result to several applications, such as adding more sensor nodes for error reduction, and scheduling power modes (awake or sleep) of sensors, and demonstrate our simulation results.

Original languageEnglish
Pages (from-to)3-12
Number of pages10
JournalInternational Journal of Ad Hoc and Ubiquitous Computing
Volume1
Issue number1-2
DOIs
StatePublished - 1 Jan 2005

Keywords

  • ad hoc network
  • environment monitoring
  • network deployment
  • pervasive computing
  • sensor network

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