In the past few years, cognitive radio paradigm emerged as a solution to avoid problems of
spectrum scarcity and inefficiency in spectrum usage. Cognitive Radio (CR) capable to …

Cognitive radio ad hoc networks (CRAHNs) can efficiently utilize the spectrum in an
opportunistic way by dynamically accessing different licensed portions of the spectrum. In …

Cognitive radio (CR) technology plays a major rolein managing the spectrum resources and
allocating themaccording to the requirements of the users. Few recent worksfocused on the …

Cognitive radio is a technology aims to improve the spectrum resource utilization and allows
a cognitive radio transceiver to detect and sense spectrum holes without causing …

A large number of routing protocols for Cognitive Radio (CR) have been recently proposed
to improve the efficiency of spectrum utilization. As an example, we can find the Cognitive Ad …

To solve Spectrum decision and route selection problem which have vital role in cognitive
radio ad hoc network (CRAHN), many researchers developed different methodology how …

Cognitive Radio (CR) presents a new approach to wireless spectrum utilization. A big
number of Routing Protocols for Cognitive Radio Ad Hoc Networks (CRAHNs) have been …

Cognitive Radio (CR) is a new paradigm which offers a viable solution to deal with the
spectrum shortage problem and enhance the spectrum utilization. In Cognitive Radio Ad …

Cognitive Radio Networks (CRNs) increase spectrum utilization by opportunistically sharing
licensed spectrum with cognitive capable devices. There are many routing algorithms …

A cognitive radio is designed for the utilisation of unused frequency. The transmission
opportunity of a cognitive node is not guaranteed due to the presence of primary users …