Thirdly, we analyzed and compared three types of space-time coding technologies that are space-time block code (STBC), Layered space-time code (LSTC) and space-time trellis code (STTC) respectively.

• 接着介绍比较了空时分组码、分层空时码以及空时格型码这三种空时编码技术的研究概况。