Channel Prediction for Millimeter Wave MIMO Systems in 3D Propagation Environments

This paper presents a channel prediction method for MIMO systems operating at millimeter wave (mmWave) frequencies in 3D propagation environments. Based on recent 3D model for mmWave channels, an ESPRIT/Unitary ESPRIT approach is proposed for jointly extracting the azimuth, elevation and Doppler parameters of the channel. The MMSE minimum description length (MMDL) criterion is utilize for proper selection of the number of dominant paths. Temporal extrapolation of the estimated model is then performed to obtain future states of the channel. A closed form expression for the performance bound on the estimation and prediction of 3D multiantenna channels with uniform planar array is also derived. The performance of the method is evaluated via numerical simulations.