Abstract
Effective positioning and tracking of critical construction resources is crucial to fulfilling project objectives in terms of time, cost, and safety. Received signal strength (RSS) based localization methods increasingly become a popular choice in construction applications, especially for indoor scenarios, potentially automating field data acquisition and construction process control. However, the fluctuating nature of collected RSS data due to multipath propagation effects, along with the unavailability of radio signals at certain site locations, hampers effective application of such localization techniques in challenging and dynamic indoor applications. This research evaluates the feasibilities of two RSS-based location tracking techniques, namely, the ranging-based method and the profiling-based method. To verify the positioning accuracy of the two methods, a wireless sensor network system was prototyped for conducting positioning experiments in an indoor carpark, which mimics an enclosed construction ...
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