论文标题
Terahertz的视线MIMO交流：理论与实际挑战
Terahertz Line-Of-Sight MIMO Communication: Theory and Practical Challenges
论文作者
论文摘要
无线通信的一种不懈的趋势是对带宽的渴望，而新鲜的带宽只能在越来越高的频率下找到。当5G系统夺取MMWave频段时，研究人员的注意力已经转移到Terahertz范围内。在遥远的微小波长的土地中，天线阵列可以用于增强功率的光束。无视低频智慧，即使在视线条件下，空间多路复用也是可行的。本文回顾了这种现象的基础，并根据随之而来的信息理论能力进行了最新结果。提出了可重新配置的阵列体系结构，可以紧密处理这种能力，讨论实践挑战，并提供了支持实验证据。
A relentless trend in wireless communications is the hunger for bandwidth, and fresh bandwidth is only to be found at ever-higher frequencies. While 5G systems are seizing the mmWave band, the attention of researchers is shifting already to the terahertz range. In that distant land of tiny wavelengths, antenna arrays can serve for more than power-enhancing beamforming. Defying lower-frequency wisdom, spatial multiplexing becomes feasible even in line-of-sight conditions. This paper reviews the underpinnings of this phenomenon, and it surveys recent results on the ensuing information-theoretic capacity. Reconfigurable array architectures are put forth that can closely approach such capacity, practical challenges are discussed, and supporting experimental evidence is presented.
