Frequency scarcity implies the utilization of higher frequencies for wireless communications;
however, spreading loss becomes a dominating issue as the frequency increases to the …

Accurate beamspace channel estimation is critical in wideband millimeter-wave (mmWave)
massive multiple-input multiple-output (MIMO) communication systems. However, the beam …

The incorporation of user-assisted cooperative relaying into beamspace massive multiple-
input multiple-output (mMIMO) non-orthogonal multiple access (NOMA) system can extend …

For massive multiple-input multiple-output systems operating in frequency-division duplex
mode, downlink channel state information (CSI) acquisition will incur large overhead. This …

In high‐speed mobile scenarios, due to the high‐speed relative motion between transmitter
and receiver, the high Doppler frequency shift interferes with the inter‐subcarrier …

The dimension of millimeter wave massive multiple input multiple output (mmWave mMIMO)
and required number of radio frequency (RF) chains can be reduced without performance …

Power consumption caused by radio frequency (RF) chains in millimeter-wave (mmWave)
massive multiple-input multiple-output (MIMO) systems can be solved by beam selection …

Large‐scale hybrid antenna arrays are able to leverage array gains, transceiver sizes, and
costs for massive multiple‐input‐multiple‐output (MIMO) communications in the millimeter …

This paper discusses the issue of low-angle estimation in multiple-input, multiple-output
(MIMO) radar. Due to the low amount of data transmission, storage, and computation …

Sparse Bayesian learning (SBL) and particularly relevant vector machines (RVMs) have
drawn much attention to improving the performance of existing machine learning models …