Cognitive radio (CR), as a concept based on the ability to detect and share the unutilised
spectrum, has been envisioned as a promising candidate to improve the efficiency of …

The deployment of relays between Internet of Things (IoT) end devices and gateways can
improve link quality. In cellular-based IoT, relays have the potential to reduce base station …

The upcoming sixth generation (6 G) systems can meet the high user demands. The existing
communication systems are becoming inefficient in meeting the user demands. The multifold …

This comprehensive reference text discusses concepts of cognitive radio and the advances
in the field of spectrum sensing. This text discusses the concept of cognitive radio for next …

Spectrum sensing is the most crucial importance in cognitive radios. We propose a novel
machine-learning algorithm for spectrum sensing in cognitive radio networks, which plays …

Cognitive-Radio (CR) is a technique that has revolutionized the information technology
market to improve the use of the electromagnetic spectrum. Spectrum sensing is an …

Owing to the spectrum scarcity and energy constrained devices in wireless networks arises
the demand for an efficient spectrum sensing technique which improves both sensing …

Cooperative spectrum sensing in cognitive radio network consumes a large amount of
energy during spectrum sensing and reporting. An energy‐efficient reporting scheme called …

This chapter deals with the main development challenges of 5G network. The 5G terminals
can be made as reconfigurable multimode and cognitive radio enabled. Such networks will …

In cognitive radio technology, spectrum sensing is essential for detecting spectrum holes
which may be allotted to secondary users. In this paper, an optimal voting rule is used for …