Spectrum Sensing (SS) plays an essential role in Cognitive Radio (CR) networks to
diagnose the availability of frequency resources. In this paper, we aim to provide an in-depth …

Cognitive radio (CR) is the enabling technology for supporting dynamic spectrum access:
the policy that addresses the spectrum scarcity problem that is encountered in many …

Spectrum decision is the ability of a cognitive radio (CR) to select the best available
spectrum band to satisfy secondary users'(SUs') quality of service (QoS) requirements …

A cognitive radio system has the ability to observe and learn from the environment, adapt to
the environmental conditions, and use the radio spectrum more efficiently. However, due to …

During the last decade, Cognitive Radio (CR) has become a popular research topic. The
availability of radio spectrum is in shortage, and CR technology can solve the problem by …

Se describen los elementos fundamentales que componen la radio cognitiva y se analiza la
asignación de bandas espectrales. Dentro de los principales problemas en la inserción de …

With the rapid development of wireless communication, the scarcity of spectrum becomes
more and more prominent. Cognitive radio is proposed to overcome the problem of low …

Se presenta una revisión sobre la movilidad espectral en redes de radio cognitiva,
describiendo el Handoff espectral, sus clasificaciones, sus enfoques actuales, sus criterios …

A cognitive radio system has the ability to observe and learn from the environment, adapt to
the environmental conditions, and use the radio spectrum more efficiently. It allows …

One of the major challenges in Cognitive Radio Network (CRN) is the limitations in
protecting the activities of the licensed devices from any form of interference while making …