Open Journal Systems

Analysis of the effectiveness of object coordinates estimation in WSN using the RSS method

Vladimir Ivanovich Parfenov

Article ID: 2400
Vol 2, Issue 1, 2024

DOI: https://doi.org/10.54517/cte.v2i1.2400
VIEWS - 46 (Abstract)

Abstract

The methods of estimating the coordinates of sensor nodes based on the measurements made at the “anchor” nodes are widely used in WSNs. In particular, such methods include the RSS method, which is based on measuring the power of signals coming from sensors. The article shows that a similar method can be used for estimating the coordinates of an observation object in the WSN. The efficiency of measuring the coordinates of such an object in the presence of power measurement errors is analyzed. The conditions for increasing this efficiency have been identified. It is shown that the estimation is biased, but the magnitude of the bias is practically independent of the observational conditions and, therefore, can be easily compensated.

Keywords

signal strength; trilateration; bias and dispersion of estimate

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