改进算法利用接收信号向量中的循环前缀与一个特定子向量作互相关来对信道作盲估计。
The improved algorithm uses cross-correlation between cyclic prefix and a special sub-vector from vector of received signal to implement channel blind estimation.
该文只考虑了接收天线选择，天线选择的准则是基于每个天线接收到的信号向量F-2范数。
Selection criterion is based on the Frobenius-2 norm of received signal vector at each receiving antenna.
这种算法既无需选择传统超稳定自适应算法的补偿滤波系数，又无需对信号向量的下界要求条件。
The smooth coefficients which must be chosen in conventional hyperstable algorithm are not needed, and requirement that signal vector has a lower bound is not needed either.
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