In this paper, we investigate the artificial noise-aided jamming design for a transmitter
equipped with large antenna array in Rician fading channels. We figure out that when the …

This letter investigates the secure communication in a reconfigurable intelligent surface
(RIS)-aided multiuser massive multiple-input multiple-output (MIMO) system exploiting …

This paper investigates the secure communication in a multi-pair massive multiple-input
multiple-output (MIMO) amplify-and-forward (AF) relay network over Ricean fading channels …

Massive MIMO attains high spectral and power efficiency transmission by leveraging a large
number of transmit antennas. However, to capture the benefits of massive MIMO, each …

The active pilot contamination attacks in intelligent reflecting surface (IRS) aided massive
multiple-input multiple-output systems are investigated. By proposing a statistical channel …

In this paper, we investigate secure communication over sparse millimeter-wave (mm-Wave)
massive multiple-input multiple-output (MIMO) channels by exploiting the spatial sparsity of …

This paper considers the security issue of the fifth-generation wireless networks with
massive connections, where multiple eavesdroppers aim to intercept the confidential …

In this paper, combined secrecy performance of two 5G technologies viz. massive multiple-
input-multiple-output (massive MIMO) and non-orthogonal multiple access (NOMA) for a …

Discriminatory channel estimation (DCE) based on two-way training can effectively enhance
physical layer security in multiple-input multiple-output (MIMO) systems. In this paper …

This paper considers secure simultaneous wireless information and power transfer (SWIPT)
in cell-free massive multiple-input multiple-output (MIMO) systems. The system consists of a …