交织技术通常分为分组交织和卷积交织。分组交织过程是数据先按行写入，再按列读出；解交织过程是数据先按列写入，再按行读出。其特点是结构简单，但数据延时时间长，而且所需的存储器比较大。(Interleaving techniques are usually divided into packet interleaving and convolution interleaving. Packet interleaving process is the first data written by row,