… adaptive spectrum access and sharing. In this paper, we derive and study an adaptive
spectrum assessment approach that allows devices to decide how to seek spectrum opportunities …

… Although this is contrary to the concept of cognitive radios, it simplifies the problem of SA …
on spectrum assignment in cognitive radio networks. We present an overview of the spectrum …

Spectrum decision is the ability of a cognitive radio (CR) to select the best available spectrum
… Each CR performs spectrum sensing to identify the available spectrum bands and the …

… cognitive radio networks and the next generation IoT network. Also, we address the advances
in the direction of cognitive radio networks in … power evaluation at each sensor node. …

… In the following, we provide a brief review of several well-known spectrum occupancy
evaluation projects to assist the readers. • ORCA, which stands for Optimization and Rational use …

… networks has been extensively studied in the literature. This article surveys the state of
the art of spectrum prediction in cognitive radio networks. We summarize the major spectrum …

… Then, the real-time platform presented in this paper enabled carrying out an experimental
evaluation to assess practical aspects related to the dynamic variations of the considered …

… Abstract- Cognitive radio is the key technology for future wireless communication.
Spectrum sensing is one of the most important functions in cognitive radio (CR) applications. It …

… of the emerging Cognitive Radio Networking paradigm … performance evaluation of
Opportunistic Spectrum Access in … implementation of CRNs using software-defined radios (SDR)…

… Based on our analysis and evaluation of these techniques, we highlight the efficiency and
limitations of these techniques as well as the challenges of implementing them. Then, we …