Reconfigurable Intelligent Surface-Aided Cell-Free Massive MIMO with Low-Resolution ADCs: Secrecy Performance Analysis and Optimization

• Published in: Wireless communications and mobile computing Vol. 2022; pp. 1 - 15
• Main Authors: Zhang, Xianyu, Qiao, Xiaoqiang, An, Kang, Deng, Junquan, Liang, Tao, Wang, Xiaoyu
• Format: Journal Article
• Language: English
• Published: Oxford Hindawi 03.11.2022; John Wiley & Sons, Inc
• Subjects: Algorithms; Antennas; Availability; Beamforming; Data transmission; Iterative methods; MIMO communication; Optimization; Power control; Reconfigurable intelligent surfaces; Signal processing; Wireless communications

The secure communication in reconfigurable intelligent surface-aided cell-free massive MIMO system is investigated with low-resolution ADCs and with the existence of an active eavesdropper. Specifically, an aggregated channel estimation approach is applied to decrease the overhead required to estima...