Sink mobility has long been recognized as an efficient method of improving system
performance in wireless sensor networks (WSNs), eg relieving traffic burden from a specific …

Wireless sensor networks (WSNs) are one of the very active research area. They have many
applications like military, health care, environmental monitoring and industrial monitoring …

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

In wireless sensor networks (WSNs) nodes often operate unattended in a collaborative
manner to perform some tasks. In many applications, the network is deployed in harsh …

Network lifetime has become the key characteristic for evaluating sensor networks in an
application-specific way. Especially the availability of nodes, the sensor coverage, and the …

Traditional wireless sensor networks are constrained by limited battery energy. Thus, finite
network lifetime is widely regarded as a fundamental performance bottleneck. Recent …

Clustering provides an effective method for prolonging the lifetime of a wireless sensor
network. Current clustering algorithms usually utilize two techniques; selecting cluster heads …

In this paper, we propose a new data-gathering mechanism for large-scale wireless sensor
networks by introducing mobility into the network. A mobile data collector, for convenience …

In this paper, we investigate the theoretical aspects of the nonuniform node distribution
strategy used to mitigate the energy hole problem in wireless sensor networks (WSNs). We …

This paper demonstrates the advantages of using controlled mobility in wireless sensor
networks (WSNs) for increasing their lifetime, ie, the period of time the network is able to …