Like multicarrier modulation, the high rate data transmitted at first by serial-to-parallel convert, then the low rate data streams are spreaded spectrum by a set of orthogonal sequence.

 
  • 相似于多载波调制,传输的高数据率首先进行串-并转换,然后对转换后的低数据流用正交序列进行扩频调制。
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