The low-voltage power line channel properties are analyzed in this paper and a decision feedback channel estimation method is proposed on condition of slow time-variant of channel.
该文分析了低压电力线信道特性，利用信道慢时变的特点提出一种适合于电力线信道的判决反馈信道估计方法。
And then the whole channel estimation is accomplished by channel estimation results of preamble training sequences and decision feedback pilots.
最后利用前导和判决反馈导频估计的结果联合完成信道估计。
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