Forest fires have become a major threat around the world, causing many negative impacts
on human habitats and forest ecosystems. Climatic changes and the greenhouse effect are …

Network coverage is a pivotal performance metric of wireless multihop networks (WMNs)
determining the quality of service rendered by the network. Earlier, a few studies have …

Sensor activity scheduling is critical for prolonging the lifetime of wireless sensor networks
(WSNs). However, most existing methods assume sensors to have one fixed sensing range …

The performance of underwater wireless sensor network gets affected by the working of a
cluster in the network. The cluster head (CH) or cluster member (CM) fails because of …

In wireless sensor networks (WSNs), preserving coverage of the target area by the sensor
nodes is crucial to deliver certain services. However, a few sensor nodes die during the …

The aim of this study is to improve the accuracy of the mobile node localization in coal mines
and to avoid the influence caused by moving direction-offsets which are introduced by the …

While performing underwater monitoring tasks, energy of the sensor nodes in Underwater
Wireless Sensor Networks (UWSNs) vanishes continuously all over the network. The …

The deployment of large-scale wireless sensor networks (WSNs) for the Internet of Things
(IoT) applications is increasing day-by-day, especially with the emergence of smart city …

Given a set of directional visual sensors, the k-coverage problem determines the orientation
of minimal directional sensors so that each target is covered at least k times. As the problem …

This paper provides a general framework to model and optimize lifetime maximization
problems in wireless sensor networks with sensors having specialized capabilities like the …