Channel estimation is a crucial problem for massive multiple input multiple output (MIMO)
systems to achieve the expected benefits in terms of spectrum and energy efficiencies …

Massive MIMO is a promising technique for future 5G communications due to its high
spectrum and energy efficiency. To realize its potential performance gain, accurate channel …

Accurate and efficient estimation of the high dimensional channels is one of the critical
challenges for practical applications of massive multiple-input multiple-output (MIMO). In the …

Massive multi-input multi-output (MIMO) has been regarded as one of the key technologies
for fifth generation (5G) mobile communication systems, as it can significantly enhance the …

Orthogonal time frequency space (OTFS) modulation, collaborated with millimeter-wave
(mmWave) massive multiple-input-multiple-output (MIMO), is a promising technology for next …

Massive multi-input multi-output (MIMO), which employs large number of antennas at the
base station, can significantly boost the spectral efficiency and multiplexing gain. To fully …

Uplink and Downlink channel estimation in massive Multiple Input Multiple Output (MIMO)
systems is an intricate issue because of the increasing channel matrix dimensions. The …

For downlink orthogonal frequency division multiplexing-based massive multiple-input-
multiple-output transmission over the time-varying channel, channel estimation is very …

The 3GPP suggests to combine dual polarized (DP) antenna arrays with the double
directional (DD) channel model for downlink channel estimation. This combination strikes a …

Massive multiple-input multiple-output (MIMO) integrated with millimeter-wave (mmWave)
can provide unprecedented performance improvement for realizing future wireless …