Due to rapid increase in the wireless‐connected Internet‐of‐things (IoT) devices, the
communication among devices is a critical task as it relies on the radio‐frequency spectrum …

Cognitive radio is a promising technique for cellular Internet of Things including 4G/5G in
next generation wireless systems. The challenges of the next generation wireless networks …

The digital transformation has already resulted in extensive change in our daily life, such as
the evolution of smart cities, smart offices as well as smart homes. Smart homes suddenly …