Robots-Assisted Redeployment in Wireless Sensor Networks
Hanen Idoudi, Chiraz Houaidia, Leila Azouz Saidane, Pascale Minet

TL;DR
This paper introduces a hierarchical architecture for wireless sensor networks that uses mobile robots to optimize sensor deployment, enhancing connectivity and coverage through coordinated relocation based on redundancy information.
Contribution
It presents a novel hierarchical framework and a robot-assisted redeployment method to improve network connectivity and coverage in wireless sensor networks.
Findings
Optimized robot deployment improves network connectivity.
Redundancy information facilitates efficient sensor relocation.
Trade-offs between robot number and network performance are analyzed.
Abstract
Connectivity and coverage are two crucial problems for wireless sensor networks. Several studies have focused on proposing solutions for improving and adjusting the initial deployment of a wireless sensor network to meet these two criteria. In our work, we propose a new hierarchical architecture for sensor networks that facilitates the gathering of redundancy information of the topology. Several mobile robots must then relocate, in an optimized way, redundant sensors to achieve optimal connectivity and coverage of the network. Mobile robots have to cooperate and coordinate their movement. A performance evaluation is conducted to study the trade-off between the number of required robots and its impact on the rate of network connectivity and coverage.
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Taxonomy
TopicsEnergy Efficient Wireless Sensor Networks · IoT and Edge/Fog Computing · Modular Robots and Swarm Intelligence
