(CR) has emerged as one of the most promising technology to overcome the inefficient
spectrum utilization problem. The basic intention behind CR is to opportunistically allow …

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 (CR) technology is the most juvenile technology that promises to allow
devices to share the wireless spectrum with other users that have a license for operation in …

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

Due to exponential growth in the number of wireless devices, with each one exchanging
huge amount of data, requirement for the spectrum in almost all bands has risen very …

The growth in wireless devices and multimedia applications has led to increase in spectrum
usage in recent past. One of the credible solutions to overcome this shortcoming is by the …

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 …

Multi-hop routing protocol in cognitive radio mobile ad hoc networks (CRMANETs) is a
critical issue. Furthermore, the routing metric used in multi-hop CRMANETs should re-flect …

The Cognitive Radio (CR) technology has evolved in the recent past to solve the problem of
wireless networks resulting from the limited available spectrum. The networks employing …

The tremendous development in wireless technologies and multimedia applications
persuaded upsurge in spectrum utilization in the past. One of the adequate clarifications to …