Intelligent Reflecting Surface Assisted Secrecy Communication: Is Artificial Noise Helpful or Not?

• Published in: IEEE wireless communications letters Vol. 9; no. 6; pp. 778 - 782
• Main Authors: Guan, Xinrong, Wu, Qingqing, Zhang, Rui
• Format: Journal Article
• Language: English
• Published: Piscataway IEEE 01.06.2020; The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
• Subjects: Algorithms; Antennas; Array signal processing; Beamforming; Computer simulation; Convexity; Design optimization; Eavesdropping; intelligent reflecting surface; Jamming; Optimization; physical layer security; Receivers; Reconfigurable intelligent surfaces; Transmitting antennas; Wireless communication; Wireless communication systems; Wireless communications

In this letter, we investigate whether the use of artificial noise (AN) is helpful to enhance the secrecy rate of an intelligent reflecting surface (IRS) assisted wireless communication system. Specifically, an IRS is deployed nearby a single-antenna receiver to assist in the transmission from a mul...