Integrating cognitive radio (CR) with traditional wireless networks is helping solve the
problem of spectrum scarcity in an efficient manner. The opportunistic and dynamic …

The database‐driven cognitive radio networks (CRNs) are regarded as a promising
approach to utilizing limited spectrum resources in large‐scale Internet of Things (IoT) …

Cognitive radio is regarded as a promising technology for remedying spectrum shortage and
improving spectrum utilization. However, database-driven cognitive radio networks (CRNs) …

Cognitive radio is emerging as a technology to alleviate spectrum shortage and to improve
spectrum utilization. In database-driven cognitive radio networks (CRNs), secondary users …

Cognitive radio technique is regarded as a promising way for allowing secondary users
(SUs) to access available channels without introducing the interference to the primary users …

The database-driven CRN has emerged as a promising solution for the spectrum scarcity
issue. However, it also raises severe privacy concerns. Although there are some existing …