Tracking wireless

Peter Fuhr, Nacer Hedroug

Research output: Contribution to specialist publicationArticle

Abstract

Vendors are advertising several technologies as optimal for industrial asset tracking, especially end users in petrochemical (on-shore/off-shore), pharmaceutical manufacturing, power systems, and pulp and paper processing. The amount of reflective and absorptive surfaces associated with the canyons of metal lead to variable attenuation and multipath conditions that are frequently dovetailed into requirements for the wireless devices to operate in a non-line-of-sight situation. The variations of RFID range from systems with no active components within the tag to battery-powered semi-active tags, to fully active tags. Four candidate technologies associated with industrial RTLS include RFID, GPS-based, chirped frequency-based, and received signal strength indicator (RSSI)-based and each technology has its requirements for a supporting infrastructure to provide a comparable location resolution cost effectively.

Original languageEnglish
Volume55
No4
Specialist publicationInTech
StatePublished - Apr 2008
Externally publishedYes

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