… DL/UL channel estimation for the time-varying massive MIMO networks, … massive MIMO
channel with low-complexity, we will directly learn the spatial informations instead of the channel …

… the channel tracking for THz beamspace massive MIMO systems … ) channel tracking scheme
for THz beamspace massive MIMO sys… acquire the supports of time-varying THz beamspace …

… Given that the acquisition of uplink CSI is convenient in a massive MIMO system, partial
downlink CSI can be obtained from uplink CSI, thereby reducing the amount of unknown …

… channel tracking methods for massive MIMO systems. In this paper, we propose a time-varying
channel tracking method for massive MIMO … in the system are acquired by EM leaning, …

… monitoring sensors along the railway [11]. This prior information is critical for the channel
acquisition in massive MIMO … pilots and the entire channel matrix are acquired by exploiting the …

… Reducing the overhead of CSI acquisition in FDD massive MIMO has recently become the …
of the massive MIMO channel to reduce the number of the effective channel parameters. From …

… only for modeling static channels, the used ray tracing tool in this … acquired. When the array
indexes are around 100 and 800, respectively, a local minimum RMS delay can be acquired. …

… In [9], the joint sparsity in the multi-user channel matrices is exploited to develop a more …
correlation of massive MIMO channels, a CS-based adaptive CSI acquisition and feedback …

… channel representation and modeling the temporal correlation as an autoregressive process,
we formulate the time-varying massive MIMO channel as … with the acquisition of CCM, [11] …

… sparse patterns in angle-delay domain, and showed that the best channel acquisition
performance in massive MIMO-OFDM systems can be obtained when the user channel power …