G Wang, Q Liu, R He, F Gao… - IEEE Wireless …, 2015 - ieeexplore.ieee.org
As an emerging system architecture, heterogeneous cloud radio access networks (H- CRANs) can improve system capacity, enlarge coverage, and enhance energy/spectral …
G Wang, F Gao, R Fan… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
Ambient backscatter technology that utilizes the ambient radio frequency signals to enable the communications of battery-free devices has attracted much attention recently. In this …
S Ma, G Wang, R Fan… - IEEE Communications …, 2018 - ieeexplore.ieee.org
The availability of perfect channel state information is assumed in current ambient- backscatter studies. However, the channel estimation problem for ambient backscatter is …
In this paper, we develop a unified framework for IRS-aided transceiver designs under general power constraints in multiple-input multiple-output (MIMO) systems which implement …
Y Xin, D Wang, J Li, H Zhu, J Wang… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
This paper investigates the performance of massive multiple-input multiple-output (MIMO) cellular systems with pilot contamination. We derive a closed-form approximation of the area …
J Zhao, F Gao, G Ding, T Zhang, W Jia… - IEEE …, 2018 - ieeexplore.ieee.org
Unmanned aerial vehicle (UAV) communications play an important role in building the space-air-ground network and realizing the seamless wide-area coverage thanks to its long …
X Zhao, K Xu, S Ma, S Gong, G Yang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Intelligent reflecting surface (IRS) is an emerging cost-efficient technology to enhance communication performance by implementing a large number of passive reflecting elements …
X Li, S Jin, X Gao, RW Heath - IEEE Transactions on Vehicular …, 2016 - ieeexplore.ieee.org
In this paper, we provide a practical downlink transmission approach for single-cell full- dimension multiple-input-multiple-output (FD-MIMO) systems with large-scale uniform planar …
Hybrid transceiver can strike a balance between complexity and performance of multiple- input multiple-output (MIMO) systems. In this paper, we develop a unified framework on …