Advancements in ISAC: A Review of Multi-Antenna Technology Integration for Next-Generation Communication and Sensing Systems

This paper discusses the research on the application of integrated sensing and communication (ISAC) techniques in multi-antenna systems. With the advancement of communication technology, multi-antenna systems become common in wireless communication, and ISAC technology brings new opportunities for wireless communication by integrating sensing and communication. The article first introduces the background and application of ISAC technology, analyzes the research gaps and challenges, and then outlines the classification, network architecture and key technologies of ISAC. The article focuses on the development of multi-antenna technology and its application in communication and sensing, as well as the combination of ISAC and multi-antenna technology, including integrated waveform design and performance optimization control methods.