Abstract
In this paper, we propose a set of experiments for evaluating sensors’ precision in measuring received
signal strength indicator (RSSI) in wireless sensor networks (WSN). More specifically, a WSN application
is implemented for collecting RSSI measurements in different conditions. The application consists of two
parts: an experiment control script which runs on a computer, and an experiment sensor firmware which
runs on each WSN node. Statistical analysis of variance (ANOVA) is performed to determine if the WSN
nodes used are manufactured with enough precision. Obtained results demonstrate that the differences
between the sensors are insignificant, even if the RSSI measurements have significant variation.
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