Rate-splitting multiple access (RSMA) is a general multiple access scheme for downlink
multi-antenna systems embracing both classical spatial division multiple access and more …

Secure precoding superimposed with artificial noise (AN) is a promising transmission
technique to improve security by harnessing the superposition nature of the wireless …

Extremely large-scale antenna arrays (ELAA) play a critical role in enabling the
functionalities of next generation wireless communication systems. However, as the number …

This paper studies a secure multiuser multiple-input single-output (MISO) communication
system aided by an intelligent reflecting surface (IRS), where multiple colluding …

Satellite communication networks have attracted widespread attention for seamless network
coverage and collaborative computing. In satellite-terrestrial networks, ground users can …

Transmit beamforming is a diversity technique in multiple-input multiple-output (MIMO)
systems. It improves the diversity order and enhances the information security of the MIMO …

To realize ultra-reliable low latency communications with high spectral efficiency and
security, we investigate a joint optimization problem for downlink communications with …

This paper studies the secrecy performance of the cell-free massive multi-input multi-output
(MIMO) system, where access points (APs) are equipped with a mixed analog-to-digital …

This chapter studies a secure MISO communication system aided by an IRS, where multiple
colluding Eves coexist. We aim to maximize the SSR via jointly optimizing the beamforming …

Cell-free massive multiple-input multiple-output (CF-mMIMO) technology seeks to enable
wireless connectivity with high-rates, flexibility and scalability, by distributing the antennas of …