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快速V-BLAST排序检测方法

DOI: 10.13190/jbupt.200704.83.guozhh, PP. 83-87

Keywords: 垂直-贝尔实验室分层空时结构,迫零干扰删除,检测顺序,施密特正交化

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Abstract:

提出了一种应用于垂直贝尔实验室分层空时码(VBLAST)系统的新的排序检测算法.该算法利用新的排序方法和施密特正交化分解算法进行信号的检测,降低了检测算法的复杂度,并将排序与数据检测分离,提高了算法应用的灵活性.分析结果表明,该算法运算复杂度仅为传统的排序迫零干扰删除算法(ZFSIC)的1/3~3/4,且理论与仿真结果证明新方法性能与传统的ZFSIC误码率(BER)性能相同.因此,新算法有利于硬件系统的集成实现,达到了降低硬件实现难度和成本的目的.

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