Ambient radio frequency (RF) energy harvesting technique has recently been proposed as a
potential solution for providing proactive energy replenishment for wireless devices. This …

RF-enabled wireless power transfer and energy harvesting has recently emerged as a
promising technique to provision perpetual energy replenishment for low-power wireless …

Effectively monitoring maritime environments has become a vital problem in maritime
applications. Traditional methods are not only expensive and time consuming but also …

A major concern in wireless sensor network (WSN) is how to maximize the network lifetime
while maintaining the coverage requirement. Since the energy of sensor node is limited, the …

Improving patient flow is a way to refine health services. An efficient patient flow can improve
the quality of services and the utilization of resources. A smart environment could facilitate …

When the ground communication base stations in the target area are severely destroyed, the
deployment of Unmanned Aerial Vehicle (UAV) ad hoc networks can provide people with …

In this paper we propose to use a piezoelectric method with Multicast Particle Swarm
Optimization (PSO) to increase the lifespan of sensor Node. The goal of the research is to …

Good deployment of sensors empowers the network with effective monitoring ability.
Different from omnidirectional sensors, the coverage region of a directional sensor is …

In cognitive radio networks, the media access control (MAC) protocols need to determine the
availability of spectrum resource through spectrum sensing and coordinate with the other …

Under strict social-distancing directives during the COVID-19 pandemic, one of the most
impacted businesses is probably the catering industry, which has been forced to earn their …