These codes generate simulation results depicted in the paper titled J. Chen, H. Yin, L. Cottatellucci, and D. Gesbert, "Dual-regularized Feedback and Precoding for D2D Assisted MIMO Systems", IEEE Trans. Wireless Commun., 2017. Autho

无线通信系统的信道估计算法，主要包括调制、信道和MMSE信道估计(Channel estimation algorithms for wireless communication systems mainly include modulation, channel and MMSE channel estimation)