Design Of A Wireless Fish Length Measuring Board For Fisheries Research
Amin, Omar Farooq
Ramahi, Omar M
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The goal of this work is to design and implement the fundamental technology needed to construct a wireless fish measuring board that performs non-contact length measurements. After taking the measurement, the board sends the information containing the length of the fish amongst other parameters wirelessly to a receiver located several meters away. The receiver in turn decodes the information and sends it for display on a computer monitor. The wireless transmission must be immune to the typical non-line of sight (NLOS) environments that are found in the fisheries industry. The non-contact technique used here is based on the Hall-effect sensing mechanism. The wireless link operates in the 902-928MHz Industrial, Scientific and Medical (ISM) band. The entire system was fully developed using Commercial Off-the-Shelf (COTS) components and is shown to perform satisfactorily in typical NLOS environment.