Sensor networks offer a powerful combination of distributed sensing, computing and
communication. They lend themselves to countless applications and, at the same time, offer …

Wireless positioning has attracted much research attention and has become increasingly
important in recent years. Wireless positioning has been found very useful for other …

Ubiquitous smart environments, equipped with low-cost and easy-deployable wireless
sensor networks (WSNs) and widespread mobile ad hoc networks (MANETs), are opening …

In the last years, wireless sensor networks (WSNs) have gained increasing attention from
both the research community and actual users. As sensor nodes are generally battery …

Wireless sensor networks (WSNs) have emerged as an effective solution for a wide range of
applications. Most of the traditional WSN architectures consist of static nodes which are …

Several studies have demonstrated the benefits of using a mobile sink to reduce the energy
consumption of nodes and to prevent the formation of energy holes in wireless sensor …

In wireless sensor networks, exploiting the sink mobility has been considered as a good
strategy to balance the nodes energy dissipation. Despite its numerous advantages, the …

Although many energy efficient/conserving routing protocols have been proposed for
wireless sensor networks, the concentration of data traffic towards a small number of base …

Unmanned aerial vehicles (UAVs) are autonomous devices employed as data collectors in
precision agriculture to support a large number of applications. These UAVs gather data …

Data collection is one of the main operations performed in Wireless Sensor Networks
(WSNs). Even if several interesting approaches on data collection have been proposed …