The transmission performance of Internet of Things (IoT) has been limited by the spectrum
resource shortages. Integrating cognitive radio (CR) in IoT, cognitive IoT (CIoT) can increase …

The development of Industrial Internet of Things (IIoT) has been limited due to the shortage
of spectrum resources. Based on cognitive radio, the cognitive IIoT (CIIoT) has been …

Sixth generation (6G)-enabled Internet of Things (IoT) needs sufficient spectrum resources
to provide spectrum access for massive IoT's terminals. However, traditional orthogonal …

In 5G mobile technology, the expansion of Internet of Things (IoT) has created a huge need
for a wide variety of latency, dependability, and energy efficiency requirements, etc …

Integrating cognitive radio into internet of things (IoT), cognitive IoT (CIoT) can achieve more
available spectrum resources by accessing the licensed frequency bands of primary user …

The Internet of Things (IoT) has attracted significant attentions in the fifth generation mobile
networks and the smart cities. However, considering the large numbers of connectivity …

In this paper, we study resource allocation problems for a two-tier cognitive heterogeneous
network in interweave spectrum sharing mode. Secondary users (SUs) in small cells (SCs) …

The recent development of the Internet of Things (IoT) devices offers an intelligent concept
for integrating massive number of interconnected wireless devices. However, supporting …

Aiming at the high-performance requirements of Internet of Things (IoT) scenarios, a
cognitive radio-inspired nonorthogonal multiple access (CR-NOMA) scheme in short packet …

Both cognitive radio and non-orthogonal multiple access (NOMA) are spectral efficient
techniques in the future wireless communication networks. In this paper, a novel cooperative …