Xiaochen Liu, Yuanyuan Gao, Nan Sha, Guozhen Zang, Shijie. Wang, Vol. 15, No. 6, June 30, 2021
10.3837/tiis.2021.06.015

• Physical-layer security
• artificial noise
• imperfect CSI
• transmit power minimization
• secrecy rate maximization

Pu Chen, Jian Ouyang, Wei-Ping Zhu, Vol. 10, No. 10, October 30, 2016
10.3837/tiis.2016.10.022

• physical layer security
• relay network
• secrecy outage probability
• average secrecy rate
• beamforming

Han-Byul Lee, Jong-Ho Lee, Seong-Cheol Kim, Vol. 10, No. 1, January 30, 2016
10.3837/tiis.2016.01.011

• physical layer security
• Relay networks
• cooperative beamforming
• secrecy rate