The stringent requirements of wireless multimedia transmission lead to very high radio
spectrum solicitation. Although the radio spectrum is considered as a scarce resource, the …

The Internet of Things (IoT) is an emerging paradigm that enables many beneficial and
prospective application areas, such as smart metering, smart homes, smart industries, and …

In wireless communication networks, the network provider serves certain licensed primary
users who pay for a dedicated use of the frequency channels. However, not all the channels …

The relentless expansion of communications services and applications in 5G networks and
their further projected growth bring the challenge of necessary spectrum scarcity, a …

Cooperative spectrum sensing (CSS) is a promising solution to improve the spectrum
sensing performance. However, some cooperative secondary users (SUs) may intentionally …

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 …

The enhancement of spectrum utilization efficiency (SUE) is a critical objective in fifth
generation networks-enabled Internet of Things (5G-IoT) for providing communication …

In cognitive radio networks, the identification of a primary user (PU) with the help of spectrum
sensing is very important for a secondary user (SU), such that interference free transmission …

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 …

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 …