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MMSE Nonlinear Equalization Based on Amplitude-Phase-Frequency Characterization

delete2026-09-08
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PRE
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Xiaojing Huang
DOI：10.1109/tcomm.2026.3731761delete
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摘要

摘要

En 中文
本文提出了一种基于幅度-相位-频率（APF）表征的新型最小均方误差（MMSE）准则下的非线性均衡（NLE）技术。基于APF表征的MMSE（APF-MMSE）目标是最小化均衡后非线性信道与线性特征基函数之间误差的均方幅度之和（SoMSM），且无需依赖高阶谱统计。文中分析了所提出的APF-MMSE NLE的性能，并将其与零强制（ZF）对应方案在分别由扩展记忆多项式（EMP）和正交EMP（OEMP）建模的均衡器结构下进行了比较。此外，还研究了适用于实际系统的低复杂度伪APF-MMSE实现方案。基于73.5 GHz毫米波系统（带宽2.125 GHz）的仿真和实验结果验证了本文的结论，并指出了未来研究方向，即在复杂度和信道估计精度等实际约束条件下实现真正的APF-MMSE等效性能。
Keyword:
Minimum mean squared error
nonlinear equalization
amplitude-phase-frequency characterization
sum of mean squared magnitude
expanded memory polynomial (EMP)
orthogonal EMP

期刊

IEEE Transactions on Communications 封面图
IEEE Transactions on Communications
IF:
8.3
论文数:
1.2W
被引数:
3.6W

机构

U
University of Technology Sydney
学者数:
585
论文数: 275
被引数: 0
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