For multiple-antenna QAM systems, a novel equalizer whose tap could be moved according to channel response is proposed. This equalizer has lower complexity and better performance than conventional ones.

• 针对多天线QAM系统提出活动抽头判决反馈均衡器的概念,这种均衡器可根据信道情况调节抽头的位置,与传统结构均衡器相比,具有较低的复杂度和较好的性能;