In this paper, we investigate the secure communication in the massive MIMO uplink, where a
legitimate single antenna transmitter (Alice) communicates with a legitimate receiver …

An overview over secure communication in massive multiple-input multiple-output (MIMO)
systems is presented. A massive MIMO base-station serves multiple user nodes by …

Jamming eavesdroppers with artificial noise can protect the communication between
legitimate users. In this paper, we investigate the jamming design for a massive multiple …

In massive MIMO wiretap settings, the base station can significantly suppress
eavesdroppers by narrow beamforming toward legitimate terminals. Numerical …

In massive multiple-input multiple-output (MIMO) systems, idle users may passively overhear
the signal transmitted to the intended user, known as internal eavesdroppers. In order to …

Physical-layer secure transmissions require that the legitimate parties Alice and Bob have
certain signal advantages over the eavesdropper Eve. Unfortunately, it is still unknown what …

Security is an important concern in wireless networks. In this paper, we study secure
transmission in heterogeneous massive MIMO systems. Base station (BS) with large-scale …

The achievable secrecy rates for a cell-free massive multiple-input multiple-output (MIMO) in
the presence of a single-antenna active eavesdropper are derived and compared with that …

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 …

In this paper, we study the impacts of transmit antenna selection on the secrecy performance
of massive MIMO systems. We consider a wiretap setting in which a fixed number of transmit …