Fairness among different users and energy utilization are key issues in the future
communication network design. Robust max-min fairness resource allocation in sensing …

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 …

Semantic communication is increasingly viewed as a promising solution to improve the
transmission efficiency. However, semantic communications are susceptible not only to …

Semantic communication is a novel paradigm that conveys intention or goal from the source
to the destination. It can greatly improve communication efficiency, especially for the …

The combination of cognitive radio and non-orthogonal multiple access (NOMA) has
tremendous potential to achieve high spectral efficiency in the IoT era. In this paper, we …

The semantic communication system enables wireless devices to communicate effectively
with the semantic meaning of the data. Wireless powered Internet of Things (IoT) that adopts …

Generative AI applications are recently catering to a vast user base by creating diverse and
high-quality AI-generated content (AIGC). With the proliferation of mobile devices and rapid …

Energy efficiency (EE) and spectrum efficiency (SE) have received significant attentions on
optimizing the network performance in cognitive radio networks. In this paper, an EE+ SE …

By introducing amplify‐and‐forward relaying into a cognitive radio system, typical cognitive
relay networks are studied for the optimisation problems of the spectrum and power …

In order to enhance the capacity and extend the lifetime of nodes for green Internet of Things
(IoT), the non-orthogonal multiple access (NOMA) is applied to cognitive orthogonal …