Cognitive radio (CR) is a rising technology that unlocks the doors for radio spectrum scarcity
problem, which is of great concern nowadays among the researchers at various levels. CR …

Industrial Internet of Things (IoT) and Industry 4.0 enable interconnection among various
devices. An opportunistic IoT network is an ad hoc network that is formed by the nodes (eg …

With the advent of various emerging wireless products, the usage of limited spectrum has
grown exponentially in the recent years. In the next few years, that mobile data traffic …

Abstract Cognitive Radio Network provides opportunistic spectrum access to unlicensed
users in the absence of licensed users using dynamic spectrum access technology. The key …

Cognitive radio (CR) provides an effective solution to meet the huge bandwidth
requirements in intelligent transportation systems (ITS), which enables secondary users …

Radio spectrum is the backbone for wireless communication. Many recent studies show that
most of the available spectrum has already been allocated. Cognitive radio (CR) provides a …

Edge caching is crucial in the Internet of Things (IoT) by accelerating content delivery and
reducing latency, offering significant advantages. However, inappropriate incentive …

In large-scale wireless sensor networks (WSNs), spectrum efficiency and energy
consumption are two challengeable problems to be solved due to the increasing traffic …

Cognitive radio is considered as a very influencing technique and has the great potential to
solve the problem of shortage of the radio spectrum. A secondary user also called as a …

Through the previous decade, an ever increasing demand of wireless radio spectrum has
been observed due to expeditious use of various wireless applications and devices …