Terahertz ultra-massive MIMO-based aeronautical communications in space-air-ground integrated networks
A Liao, Z Gao, D Wang, H Wang, H Yin… - IEEE Journal on …, 2021 - ieeexplore.ieee.org
The emerging space-air-ground integrated network has attracted intensive research and
necessitates reliable and efficient aeronautical communications. This paper investigates …
necessitates reliable and efficient aeronautical communications. This paper investigates …
Fast channel tracking for terahertz beamspace massive MIMO systems
The recent concept of beamspace multiple input multiple output (MIMO) with discrete lens
array can utilize beam selection to reduce the number of radio-frequency chains (RF) …
array can utilize beam selection to reduce the number of radio-frequency chains (RF) …
Millidegree-level direction-of-arrival estimation and tracking for terahertz ultra-massive MIMO systems
Terahertz (0.1-10 THz) wireless communications are expected to meet 100+ Gbps data rates
for 6G communications. Being able to combat the distance limitation with reduced hardware …
for 6G communications. Being able to combat the distance limitation with reduced hardware …
Channel estimation and hybrid combining for wideband terahertz massive MIMO systems
Terahertz (THz) communication is widely considered as a key enabler for future 6G wireless
systems. However, THz links are subject to high propagation losses and inter-symbol …
systems. However, THz links are subject to high propagation losses and inter-symbol …
Wideband beamforming for hybrid massive MIMO terahertz communications
The combination of large bandwidth at terahertz (THz) and the large number of antennas in
massive MIMO results in the non-negligible spatial wideband effect in time domain or the …
massive MIMO results in the non-negligible spatial wideband effect in time domain or the …
Beamforming technologies for ultra-massive MIMO in terahertz communications
Terahertz (THz) communications with a frequency band 0.1–10 THz are envisioned as a
promising solution to future high-speed wireless communication. Although with tens of …
promising solution to future high-speed wireless communication. Although with tens of …
Hybrid far-and near-field channel estimation for THz ultra-massive MIMO via fixed point networks
Terahertz ultra-massive multiple-input multiple-output (THz UM-MIMO) is envisioned as one
of the key enablers of 6G wireless systems. Due to the joint effect of its large array aperture …
of the key enablers of 6G wireless systems. Due to the joint effect of its large array aperture …
Auxiliary beam pair enabled AoD and AoA estimation in closed-loop large-scale millimeter-wave MIMO systems
Channel estimation is of critical importance in millimeter-wave (mmWave) multiple-input
multiple-output (MIMO) systems. Due to the use of large antenna arrays, low-complexity …
multiple-output (MIMO) systems. Due to the use of large antenna arrays, low-complexity …
Terahertz-band joint ultra-massive MIMO radar-communications: Model-based and model-free hybrid beamforming
Wireless communications and sensing at terahertz (THz) band are increasingly investigated
as promising short-range technologies because of the availability of high operational …
as promising short-range technologies because of the availability of high operational …
Hybrid channel estimation for UPA-assisted millimeter-wave massive MIMO IoT systems
In this article, we present a hybrid channel estimation algorithm for uniform planar array
(UPA)-assisted millimeter-wave (mmWave) massive multiple-input–multiple-output (MIMO) …
(UPA)-assisted millimeter-wave (mmWave) massive multiple-input–multiple-output (MIMO) …