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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Column mobility models: (a) Example of a single step in PRS with a target node (black) moving a distance d and it is pursued by five purser nodes (white); (b) Trajectory simulation of a target node and three pursuer nodes using PRS.