Codebook designs for millimeter-wave communication systems in both low-and high-mobility: Achievements and challenges
More connectivity, higher data rates, more reliability, massive network capacity, higher
performance and fewer delays are required in the fifth generation (5G) of cellular networks …
performance and fewer delays are required in the fifth generation (5G) of cellular networks …
Compact wideband wide-angle polarization-free metasurface lens antenna array for multibeam base stations
A compact wideband wide-angle polarization-free metasurface lens (MSL) antenna array is
proposed for a multibeam base station operating over the band of 1.71-2.2 GHz. The MSL …
proposed for a multibeam base station operating over the band of 1.71-2.2 GHz. The MSL …
Joint altitude and hybrid beamspace precoding optimization for UAV-enabled multiuser mmWave MIMO system
The combination of unmanned aerial vehicles (UAVs) and millimeter wave (mmWave)
multiple-input multiple-out (MIMO) system is regarded as a key enabling technology for …
multiple-input multiple-out (MIMO) system is regarded as a key enabling technology for …
Beamspace precoding and beam selection for wideband millimeter-wave MIMO relying on lens antenna arrays
Millimeter-wave (mmWave) multiple-input multiple-out (MIMO) systems relying on lens
antenna arrays are capable of achieving a high antenna-gain at a considerably reduced …
antenna arrays are capable of achieving a high antenna-gain at a considerably reduced …
Energy-efficient multi-antenna hybrid block diagonalization precoding and combining for mmWave massive multi-user MIMO systems
Y Zhang, Y Lian, Y Liu, Q Zhang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
The millimeter-wave (mmWave) massive multi-user multiple-input multiple-output (MU-
MIMO) can significantly improve the throughput and spectral efficiency by equipping multi …
MIMO) can significantly improve the throughput and spectral efficiency by equipping multi …
Beam selection for wideband millimeter wave MIMO relying on lens antenna arrays
C Feng, W Shen, J An - IEEE Communications Letters, 2019 - ieeexplore.ieee.org
Beamspace multi-input-multi-output (MIMO) relying on lens antenna arrays can significantly
reduce the number of radio-frequency chains in millimeter-wave (mmWave) communication …
reduce the number of radio-frequency chains in millimeter-wave (mmWave) communication …
Rate-loss mitigation for a millimeter-wave beamspace MIMO lens antenna array system using a hybrid beam selection scheme
The rate loss is an important issue in multiuser beamspace multiple-input-multiple-output
(MIMO) millimeter-wave systems. In such systems, multicluster channel propagation results …
(MIMO) millimeter-wave systems. In such systems, multicluster channel propagation results …
Hybrid beam selection scheme in millimeter-wave beamspace MIMO-NOMA with lens antenna array
Beam selection is a notable issue for recent wireless communications. A conventional single
beam selection (SBS) concept is utilized to minimize the number of necessary radio …
beam selection (SBS) concept is utilized to minimize the number of necessary radio …
IUG‐based beam selection for wideband millimetre wave massive MIMO systems
Beam selection aims to select beams with large power and little inter‐user interference (IUI).
In wireless communication scenarios, the levels of IUI are usually different, but, most existing …
In wireless communication scenarios, the levels of IUI are usually different, but, most existing …
AoD-adaptive channel feedback for FDD massive MIMO systems with multiple-antenna users
In this paper, we propose an efficient feedback scheme for an angle of departure (AoD)
based channel estimation in frequency division duplex (FDD) massive multiple-input …
based channel estimation in frequency division duplex (FDD) massive multiple-input …