Cognitive radio (CR) technology is introduced to solve the problem of spectrum under-
utilization in wireless networks by opportunistically exploiting portions of the spectrum …

Cognitive radio has become a promising technology in recent times as it facilitates the
opportunistic use of the frequency spectrum, a precious resource in the communications …

Cognitive radio networks improve spectrum utilization by‎ sharing licensed spectrum with
cognitive radio devices. In‎ cognitive radio ad hoc networks the routing protocol is one‎ of the …

Ad hoc network is a collection of wireless mobile nodes that dynamically form a temporary
network without the use of any existing network infrastructure or centralized administration. A …

ABSTRACT Cognitive Radio Networks (CRNs) are being studied intensively. The major
motivation for this is the heavily underutilized frequency spectrum. CRN has the capability to …

Routing in cognitive radio ad hoc networks (CRAHNs) is a daunting task owing to dynamic
topology, intermittent connectivity, spectrum heterogeneity, and energy constraints. Other …

Ad-hoc routing protocols with cognitive capabilities have been proposed which solves the
problem of spectrum scarcity. It does it by intelligently allowing the unlicensed devices to …

Advancement of Cognitive Radio technology can remedy the problems encountered from
bandwidth and spectrum access limitations. In Cognitive Radio Ad Hoc Networks routing is …

Cognitive radio networks (CRNs) have emerged as a promising solution to the ever-growing
demand for additional spectrum resources and more efficient spectrum utilization. A large …

Cognitive radio ad hoc networks (CRAHNs) are multi-hop, dynamic and self-configurable
networks, which can communicate without any infrastructure support. Most of the research in …