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Optimal Design of Adaptive Equalizer Based on DVB-C
Author(s): 
Pages: 31-34
Year: Issue:  7
Journal: VIDEO ENGINEERING

Keyword:  判决反馈均衡器自适应均衡器码间干扰;
Abstract: 采用经典的常数模和面向判决的最小均方误差算法,并使用判决反馈的结构,实现了DVB-C对均衡器的性能要求.所设计的均衡器支持64/256的正交幅度解调且易于VLSI实现.通过采用误差的2次幂量化,乘法器复用以及流水线等优化技术,大大减少了均衡电路的硬件规模和功耗.所设计的均衡器经过算法级仿真和带0.25μm标准工艺库仿真,结果表明能有效消除码间干扰(ISI).
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