useful paper:介绍一种新的高精度OFDM系统高精度信道估计方法-useful paper : Introduction of a new system of high-precision high-precision OFDM channel estimation method

In this paper, the problem of estimation of fast time-varying radio channels is considered. A new algorithm, Iterative Channel Estimation is presented. This algorithm is designed for radio channel estimation in multiple-input multipleoutput