This paper presents the problem formulation, development, and use of a robust dynamic
genetic algorithm (GA) for channel allocation in cognitive radio. This approach offers an …

One of the major challenges facing the realization of cognitive radios (CRs) in future mobile
and wireless communications is the issue of high energy consumption. Since future network …

Cognitive radio (CR) is considered an attractive technology to deal with the spectrum
scarcity problem. Multi-radio access technology (multi-RAT) can improve network capacity …

Cognitive Radio (CR) with other advancements such as the Internet of things and machine
learning has recently emerged as the main involved technique to use spectrum in an …

Spectrum availability is becoming scarce due to the rise of number of users and rapid
development in wireless environment. Cognitive radio (CR) is an intelligent radio system …

In cognitive radio (CR) networks, secondary users should effectively use unused licensed
spectrums, unless they cause any harmful interference to the primary users. Therefore …

Abstract Much interest in Cognitive Radio Networks (CRNs) has been raised recently by
enabling unlicensed (secondary) users to utilize the unused portions of the licensed …

Abstract In Cognitive Radio Sensor Networks (CRSNs), a sensor node is provided with a
cognitive radio unit to overcome the problem of frequency spectrum being crowded. Sensor …

Quality of service parameters of cognitive radio, like, bandwidth, throughput and spectral
efficiency are optimized using adaptive and demand based genetic algorithm. Simulation …

Radio Cognitive (RC) is the new concept introduced to improve spectrum utilization in
wireless communication and present important research field to resolve the spectrum …