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An TSK Fuzzy Approach to Channel Estimation for MIMO-OFDM Systems

机译:TSK模糊方法在MIMO-OFDM系统中的信道估计

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摘要

This paper proposes an TSK fuzzy approach to channel estimation for multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems. The information of dispersive fading channel is described by using TSK fuzzy model, which is updated by using the decision feedback symbol or the scattered pilot symbol. Space-time block coding (STBC) is used to get the diversity gain. Computer simulation demonstrates that the proposed algorithm has the same word error rate (WER) performance compare to the minimum mean-square-error (MMSE) method. Because it is without the computation of inverse matrix in MMSE, the proposed algorithm has a low burden of computation.
机译:本文提出了一种TSK模糊方法,用于多输入多输出(MIMO)正交频分复用(OFDM)系统的信道估计。利用TSK模糊模型描述了色散衰落信道的信息,并利用决策反馈符号或分散导频符号对其进行了更新。空时分组编码(STBC)用于获得分集增益。计算机仿真表明,与最小均方误差(MMSE)方法相比,该算法具有相同的误码率(WER)性能。由于在MMSE中不需要逆矩阵的计算,因此该算法具有较低的计算负担。

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