Energy-efficient localization for virtual fencing

Raja Jurdak*, Peter Corke, Dhinesh Dharman, Guillaume Salagnac, Chris Crossman, Philip Valencia, Greg Bishop Hurley

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contributionpeer-review

1 Citation (Scopus)

Abstract

This poster addresses the tradeoff between energy consumption and localization performance in a mobile sensor network application. It focuses on combining GPS location with more energy-efficient location sensors to bound position estimate uncertainty in order to prolong node lifetime. The focus is on an outdoor location monitoring application for tracking cattle using smart collars that contain wireless sensor nodes and GPS modules [1]. We use empirically-derived models to explore duty cycling strategies for maintaining position uncertainty within specified bounds. Specifically we explore the benefits of using short-range radio contact logging alongside GPS as an energy-inexpensive means of lowering uncertainty while the GPS is off. Results show that GPS combined with radio-contact logging is effective in extending node lifetime while meeting application-specific positioning criteria.

Original languageEnglish
Title of host publicationProceedings of the 9th ACM/IEEE International Conference on Information Processing in Sensor Networks, IPSN '10
Place of PublicationPiscataway, NJ
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages388-389
Number of pages2
ISBN (Print)9781605589886
DOIs
Publication statusPublished - 2010
Externally publishedYes
Event9th ACM/IEEE International Conference on Information Processing in Sensor Networks, IPSN 2010 - Stockholm, Sweden
Duration: 12 Apr 201016 Apr 2010

Other

Other9th ACM/IEEE International Conference on Information Processing in Sensor Networks, IPSN 2010
Country/TerritorySweden
CityStockholm
Period12/04/1016/04/10

Keywords

  • ranging
  • virtual fencing

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