The ability to intelligently utilize resources to meet the need of growing diversity in services
and user behavior marks the future of wireless communication systems. Intelligent wireless …

A cognitive network makes use of the information gathered from the network in order to
sense the environment, plan actions according to the input, and make appropriate decisions …

This doctoral thesis comprises a summary of novel results considering (1) channel selection
in a cognitive radio system (CRS) using history information and (2) power allocation in a …

CR technology, which is the next-generation wireless communication system, improves the
utilization of the overall radio spectrum through dynamic adaptation to local spectrum …

Cognitive radio systems dynamically reconfigure the algorithms and parameters they use, in
order to adapt to the changing environment conditions. However, reaching proper …

The radio research community has aggressively embraced cognitive radio for dynamic radio
spectrum management to enhance spectrum usage, eg, in ISM bands and as secondary …

Cognitive radio (CR) is the next-generation wireless communication system that allows
unlicensed users (or secondary users, SUs) to explore and exploit the underutilized licensed …

Abstract Recent developments in Software Defined Radio technology have created the
opportunity to develop networks that are, in principle, highly adaptable and effective under a …

The tremendous growth in ubiquitous low-cost wireless applications that utilize the
unlicensed spectrum bands has laid increasing stress on the limited and scarce radio …

Improving the efficiency of spectrum access and utilization under the umbrella of cognitive
radio (CR) is one of the most crucial research areas for nearly two decades. The results …