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WirelessHART is an emerging wireless communication standard that is targeted at the real-time process control industry. An example application of wireless communication in an industrial process control plant is the location of field engineers. The capability to locate personnel is a safety critical issue in process control plants because of high risks posed by toxic chemicals and other hazards. This paper presents the design, implementation and evaluation of a location-aware application built upon WirelessHART. The aim of this application is to locate a mobile device (and thus the person carrying the device) via the deployed WirelessHART network. The application is a software-based - no device modifications are required. Consequently, it is applicable to any WirelessHART network.
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