Secure multigroup multicast communication systems via intelligent reflecting surface - Shi, Weiping; Li, Jiayu; Xia, Guiyang; Wang, Yuntian; Zhou, Xiaobo; Zhang, Yonghui; Shu, Feng (China communications, 2021)
Keywords: Array signal processing; Communication system security; intelligent reflecting surface; Interference; MISO communication; multigroup multicast; Optimization; phase shifts; secrecy rate; Transforms; transmit beamformer; Wireless communication; intelligent reflecting surface; multigroup multicast; secrecy rate; transmit beamformer; phase shifts