Review for wireless communication system based on space–time-coding digital metasurfaces
摘要
In recent years, space–time-modulated metasurfaces have garnered significant attention. Programmable space–time-coding digital metasurfaces have emerged as powerful platforms for realizing space–time modulation and have been successfully employed for manipulating electromagnetic waves in both spectral and spatial domains. This article systematically introduces the general concepts and working principles of space–time-coding digital metasurfaces. It provides an overview of the latest advancements in wireless communication within this field and summarizes the challenges and future directions in this rapidly evolving research area.