A dynamic estimation of channel is necessary before the transmission of the signals since the wireless channel is time–varying..we use MMSE method for channel estimation. The MMSE method calculates the following, MMSE channel estimator is designed to

最小均方误差（MMSE）的算法，利用最小二乘法进行拟合多元非线性方程，光纤无线通信系统中传输性能的研究。- Minimum mean square error (MMSE) algorithm, Multivariate least squares fitting method of nonlinear equations, Fiber Transmission wireless communication system performance.

MIMO通信，VBlast串行干扰抵消，结合ZF算法和MMSE算法，比较其性能。MIMO通信 串行干扰抵消(MOMO communication, serial interference cancellation)