Abstract
This paper presents a bio-inspired networking strategy to support the cooperation between static sensors on the ground and mobile sensors in the air to perform surveillance missions in large areas. The goal of the proposal is to provide low overhead in the communication among sensor nodes, while allocating the mobile sensors to perform sensing activities requested by the static ones. Simulations have shown that the strategy is efficient in maintaining low overhead and achieving the desired coordination.
Highlights
The integrated use of mobile and static sensor nodes is a promising approach that allows the deployment of advanced surveillance systems [1,2]
A detailed model of WSN composed of static low-end ground sensor nodes and small Unmanned Aerial Vehicles (UAVs) applied to a scenario of large area surveillance is proposed; Reusing a known concept of pheromone-based communication for the studied scenario, we propose a novel protocol for the alarm message delivery from static to mobile sensor nodes, including three different mechanisms: trail-follow and trail-search as well as pheromone distribution over the ground sensors
Basic simulation parameters holding for most setups are first presented, while parameter variations used to assess specific aspects are presented along the subsections according to the specific setups
Summary
The integrated use of mobile and static sensor nodes is a promising approach that allows the deployment of advanced surveillance systems [1,2]. We propose a method to deliver alarm messages issued by the static sensor nodes to the UAVs, so that the desired cooperation needed to perform resource efficient area surveillance is achieved To address this alarm messages delivery problem, the approach proposed in this work uses a decentralized strategy, based on artificial pheromones, inspired by the biological mechanisms used by ants to track food in the nature [14]. A detailed model of WSN composed of static low-end ground sensor nodes and small UAVs applied to a scenario of large area surveillance is proposed; Reusing a known concept of pheromone-based communication for the studied scenario, we propose a novel protocol for the alarm message delivery from static to mobile sensor nodes, including three different mechanisms: trail-follow and trail-search as well as pheromone distribution over the ground sensors.
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