We study a heterogeneous wireless sensor network (WSN) where heterogeneous access
points (APs) gather data from densely deployed sensors and transmit their sensed …

Several applications have exploited wireless sensor networks (WSNs), and localization is a
key WSN technology. The range-free localization technique is substantially less expensive …

Trust evaluation models are vital security enhancement tool for Wireless Sensor Networks
(WSNs) to improve dependability (cooperation) among sensor nodes. This paper presents …

Data collection by multiple sinks is a fundamental problem in wireless-sensor networks.
Existing works focused on designing the optimal offline methods provided that the number …

Heterogeneous sensor networks have been proposed to address some fundamental limits
and performance issues present in homogeneous Wireless Sensor Networks (WSNs) …

We study a heterogeneous Rayleigh fading wireless sensor network (WSN) in which sensor
nodes surveil a field of interest and communicate their sensory data with base stations with …

In a Wireless Sensor Network (WSN), Numerous cost-effective and energy-constrained
sensor nodes are typically used. In a typical Wireless Sensor Network, a single Base Station …

In recent years, low power and lossy networks (LLNs) have attracted the attention of
researchers. They typically operate with strict resource constraints in communication …

In traditional wireless sensor networks (WSNs), a single sink or base station is used to
gather data from the whole network which suffers some serious performance issues, like …

In recent years, with wireless communication advancements, wireless sensor networks
(WSNs) have emerged and become an exciting field of research and study. WSNs could be …