Oceans cover more than 70% of the Earth's surface. For various reasons, almost 95% of
these areas remain unexplored. Underwater wireless communication (UWC) has …

Real-time detection of hazardous gases in the ambient and indoors has become the prime
motive for curbing the problem of air pollution. Keeping the concentration of hazardous …

In the Industrial Internet of Things (IIoT), non-orthogonal multiple access (NOMA) has
emerged as a viable multiple access method due to its superior efficiency. In this paper, a …

Many cutting‐edge studies on collaborative data gathering and charging (CDAC) assume
that the mobile vehicle (MV) has enough energy to charge the sensors as well as collect …

Most of the existing works on periodic charging consider that the mobile charger (MC) has
enough energy to charge the sensors by travelling across the charging path. The existing …

“Request Triggered Recharging” has been a flexible type of scheduling schemes to allow
the Mobile Charging Vehicle (MCV) to supply energy for sensor nodes on demand …

In wireless rechargeable sensor networks (WRSNs), researchers address the energy
problem in wireless sensor networks (WSNs) by introducing fixed chargers or mobile …

The recent advancement in wireless power transmission (WPT) has led to the development
of wireless rechargeable sensor networks (WRSNs), since this technology provides a means …

Nowadays, wireless sensor networks (WSNs) have two primary goals: data collecting and
energy efficiency. Mobile sinks can be used to gather data and mobile chargers to recharge …

In this paper, we mainly focus on the charging scheduling problem in Wireless
Rechargeable Sensor Networks (WRSNs) with obstacles. We first describe the influences of …