Cognitive radio is an emerging wireless technology that is envisaged as a solution to the
spectrum scarcity issue. To improve spectrum utilization, cognitive (unlicensed) wireless …

Abstract Cognitive Radio Network (CRN) is an intelligent wireless communication system
that adapts itself to variations in the incoming radio frequency stimuli by modifying the …

In this paper, we consider underlay cognitive radio (CR) networks where an amount of
interference caused by secondary stations (STAs) has to be kept below a predefined level …

The paper presents a new modification of a self-organizing map topology to increase the
speed of feature map convergence. The modification proposed in this paper is useful for real …

Cognitive Radio networks (CRNs) implement dynamic spectrum sensing and management
techniques to address the underutilization of limited available spectrum in wireless …