MIMO technology in wireless standards
MIMO technology delivers on the promise of higher data rates by improving spectral efficiency. Because MIMO technology has the potential to dramatically improve the performance of wireless systems, many standards committees have recently adopted or are considering adopting MIMO and multi-antenna technologies.
Multi-antenna systems make full use of spatial diversity by placing separate antennas in a dense multi-path scattering environment. These systems can be implemented in many different ways to achieve diversity gain against signal fading, or to achieve capacity improvements. Generally speaking, there are three kinds of multi-antenna technology. The first class aims to increase power efficiency by maximizing "spatial diversity". Such techniques include delay diversity, space-time block code (STBC) and space-time grid code (STTC).

文章介绍了MIMO技术如何通过多天线系统改善无线通信的性能,特别是在WiFi7中采用的空间时间块码技术。WiFi7的优势包括更快的数据传输、更低的延迟、更大的网络容量以及更强的安全性。
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