Cognitive satellite and terrestrial network (CSTN) is considered as a promising technology to
provide ubiquitous connectivity for various users within wide-coverage. This paper proposes …

This article proposes a downlink transmission for intelligent reflecting surface (IRS)
enhanced cognitive-satellite-aerial-network, which can provide heterogeneous services for …

Intelligent reflecting surface (IRS) is widely recognized as a promising technique to enhance
the system performance, and thus is a hot research topic in future wireless communications …

To the best of our knowledge, this article represents the first attempt toward robust
beamforming design for multiuser downlink communications in intelligent reflecting surface …

We propose a novel method for chance constrained robust beamforming problem in
cognitive radio (CR) networks. Considering the channel estimation errors in practice, the …

In this article, we investigate an integrated satellite-terrestrial (IST) Internet-of-Things (IoT)
network, where satellite networks provide wireless services to the IoT devices uncovered by …

Intelligent reflecting surface (IRS) is a novel technology to manipulate wireless propagation
channels via smart and controllable signal reflection. In this paper, we investigate an IRS …

Intelligent reflecting surface (IRS) has been proved to be an efficient technology to improve
the spectrum and energy efficiency in cognitive radio (CR) networks. Unfortunately, due to …

Integrating non-orthogonal multiple access (NOMA) in intelligent reflecting surface (IRS) is
expectedly an effective solution to enhance system's spectrum efficiency. In this paper, we …

In this paper, intelligent reflecting surface (IRS) is introduced to enhance the network
performance of cognitive radio (CR) systems. Specifically, we investigate robust …