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TSK-based decision feedback equalizer using an evolutionary algorithm applied to QAM communication systems

机译:使用基于进化算法的QTS通信系统的基于TSK的决策反馈均衡器

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摘要

A Takagi-Sugeno-Kang (TSK) fuzzy-based decision feedback equalizer (DFE) applied to detecting a quadrature-amplitude-modulation (QAM) signal is presented. The structure of a TSK fuzzy system may produce many local minimum of involved cost functions for detecting received signals. An evolutionary algorithm is adopted for the proposed TSK fuzzy equalizer to overcome the difficulty for locating global minimum in weight space. Results showed that the performance of the newly designed equalizer is much improved for DFEs with multilayer perceptron or least mean square scheme.
机译:提出了一种基于Takagi-Sugeno-Kang(TSK)模糊决策反馈均衡器(DFE),用于检测正交幅度调制(QAM)信号。 TSK模糊系统的结构可能会产生许多局部最小的相关成本函数,用于检测接收到的信号。提出的TSK模糊均衡器采用进化算法,克服了权重空间全局最小值定位的难题。结果表明,对于采用多层感知器或最小均方方案的DFE,新设计的均衡器的性能有了很大提高。

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