Inspec keywords: probability; telecommunication security; antenna arrays; antennas; array signal processing; wireless channels; MIMO communication

Other keywords: transmitter; single-output single-eavesdropper; RUB transmission; partial legitimate user CSI; novel RUB-based artificial noise method; partial CSI; conventional beamforming transmission techniques; asymptotic ergodic secrecy rate; low-complexity multiple antennas transmission scheme; channel state information; physical layer secrecy performance; transmission scenarios; wireless transmission systems; legitimate users; resulting physical layer security design; multiple-output single-eavesdropper channels; multiple antennas communication system; secrecy outage probability; trade-off between performance

Subjects: Antenna arrays; Signal processing and detection; Other topics in statistics; Radio links and equipment