Focusing on the problem that existing linear dispersion (LD) space-time codes have a high encoding and decoding complexity, a type of orthogonal linear dispersion (OLD) space-time codes is proposed.

• 针对多输入多输出系统中现有的线性分散(LD)空时码编、解码复杂度高的问题,提出了一类正交线性分散(OLD)空时编码。