Zero-Forcing Beamforming for RIS-Enhanced Secure Transmission

• Published in: IEEE transactions on vehicular technology Vol. 72; no. 10; pp. 1 - 6
• Main Authors: Wang, Zhenni, Zhao, Xiaolan, Tang, Jie, Zhao, Nan, So, Daniel K. C., Zhang, Xiu Yin, Wong, Kai-Kit
• Format: Journal Article
• Language: English
• Published: New York IEEE 01.10.2023; The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
• Subjects: Algorithms; Array signal processing; Beamforming; Design optimization; Downlink; Eavesdropping; Electronic mail; Null space; physical layer security; Reconfigurable intelligent surface; Security; Signal to noise ratio; Transmitting antennas

This article considers a reconfigurable intelligent surface (RIS) enhanced multi-antenna secure transmission system in the presence of both active eavesdroppers (AEves) and passive eavesdroppers (PEves). We propose a zero-forcing (ZF) beamforming strategy that can steer transmit beam to the null spa...