These MATLAB scripts are prepared by A.M.E for the following paper, A. M. Elbir, "CNN-Based Precoder and Combiner Design in mmWave MIMO Systems," IEEE Communications Letters, vol. 23, no. 7, pp. 1240-1243, July 2019 please cite the above work if you use this codes, For any comments and questions please email: ahmetmelbir@gmail.com This codes can also be used with slight modification for applications, such as antenna selection + multi-user hybrid beamforming and DOA estimation.