Due to the global pandemic of COVID-19, there is an urgent need to utilize existing
technologies to their full potential. Internet of Things (IoT) is regarded as one of the most …

The integration of cognitive radio and device-to-device (D2D) communication gives rise to
Cognitive D2D (cD2D) communication, which offers numerous advantages, such as …

Optimization algorithms have come a long way in the last several decades, with the goal of
reducing energy consumption and minimizing interference with primary users during data …

In this paper, the hybrid interweave/underlay channel access mode is studied for an energy
harvesting (EH) cognitive radio network with multi-class secondary users (SUs). The hybrid …

Many optimization algorithms have been created to determine the most energy‐efficient
transmission mode, allowing for lower power consumption during transmission over shorter …

Blind-spots, where wireless signals do not reach within the coverage range, often emerge in
a dynamic environment due to obstacles, geographical location or mobility of cellular users …

The focus of research efforts in cognitive radio networks (CRNs) has primarily remained
confined to maximizing the utilization of the discovered resources. However, it is also …

Integration of Device-to-Device (D2D) communication into the cellular network can greatly
enhance the spectrum utilization as well as creating additional communication opportunities …

Spectrum occupancy modeling plays an important role in improving the performance of
Cognitive Radio (CR) systems, because most of the methods to improve Dynamic Spectrum …

Due to the global pandemic of COVID‐19, there is an urgent need to utilize existing
technologies to their full potential. Internet of things (IoT) is regarded as one of the most …