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UWB positioning systems are able to provide outstanding accuracy and precision of localization. However, system performance strongly depends on the quality of reference clock oscillators installed in system devices and accuracy of anchors synchronization. The paper describes a new transmission scheme providing wireless infrastructure nodes synchronization and reduction of errors caused by tag's clock...
This paper investigates the role of quantization in the Received Signal Strength Indicator (RSSI) information used for fingerprinting (FP) applications. One of the common drawbacks of FP is the large data size and consequently the large search space and computational load as a result of either vastness of the positioning area or the finer resolution in the FP grid map: this limits the application...
Homo sapiens is a common, even if often uncredited, component of indoor positioning research. Despite the increasing number of automatic benchmarking platforms, performance of a positioning system is still typically evaluated by a graduate student with a smartphone in their hand. Powered by the varying levels of motivation, attention and spatial awareness, research assistants gather data while walking...
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