The coverage problem in wireless sensor networks (WSNs) can be generally defined as a
measure of how effectively a network field is monitored by its sensor nodes. This problem …

The collaborative and low-cost nature of wireless sensor networks (WSNs) brings significant
advantages over traditional communication technologies used in today's electric power …

Radio link quality estimation in Wireless Sensor Networks (WSNs) has a fundamental impact
on the network performance and also affects the design of higher-layer protocols. Therefore …

Sensor networks are deemed suitable for large-scale deployments in the wild for a variety of
applications. In spite of the remarkable efforts the community put to build the sensor systems …

Localization in wireless sensor networks gets more and more important, because many
applications need to locate the source of incoming measurements as precise as possible …

The applications of wireless sensor networks comprise a wide variety of scenarios. In most
of them, the network is composed of a significant number of nodes deployed in an extensive …

We present empirical measurements of the packet delivery performance of the latest sensor
platforms: Micaz and Telos motes. In this article, we present observations that have …

In today's modern wireless ZigBee-based modules, there are two well-known values for link
quality estimation: RSSI (received signal strength indicator) and LQI (link quality indicator) …

This paper presents Indriya, a large-scale, low-cost wireless sensor network testbed
deployed at the National University of Singapore. Indriya uses TelosB devices and it is built …

Many cluster-based routing techniques for Wireless Sensor Networks (WSNs) have been
proposed in the literature. However, most of the proposed protocols emphasized on the …