… correlated massive MIMO channel with low-complexity, we will directly learn the spatial
informations instead of the channel covariance matrices. With the virtual channel representation (…

… are quasioptical, the mmWave MIMO channel and THz MIMO channel share the similar …
scheme can fully exploit the temporal variation law of the physical direction to accurately acquire …

… are used to acquire estimates of the channel and offset … Hence, channel and offset parameters
need to be tracked … for estimating and tracking both the MIMO channel coefficients and the …

… gradient algorithm for channel tracking that approximates the … which was estimated during
initial channel acquisition. Since the … for tracking the variations of the mmWave MIMO channel. …

… MIMO system can considerably improve spectral efficiency and increase system throughput.
However, the acquisition of accurate channel … sparsity of massive MIMO channels. However, …

… for mm-wave MIMO channel. Differently from [6]–[8], which focused on … channel acquisition
method based on least squares. In Section V, we introduce the Kalman filter based tracking …

… channel tracking and AoA acquisition in mmWave MIMO systems with low-resolution ADCs.
The sparsity and temporal correlation of the channel … In this way, the channel tracking is for…

… Recently, the angle domain massive MIMO channel estimation scheme were proposed in
[14]… Specially the unknown parameters in the system are acquired by EM leaning, and the DOA …

… the ML-optimal processors of pilot information at the MIMO channel’s output. … channel
estimates, while later phase offsets must be tracked. We further assume that the prior acquisition …

… channel aging in massive MIMO systems is based on the AR model. Therefore, in this paper,
we focus on tracking time-varying multi-user massive MIMO channels … after CSI acquisition, …