Integrating communications and control for UAV systems: Opportunities and challenges

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 …

Beam squint and channel estimation for wideband mmWave massive MIMO-OFDM systems

B Wang, M Jian, F Gao, GY Li… - IEEE transactions on …, 2019 - ieeexplore.ieee.org
With the increasing scale of antenna arrays in wideband millimeter-wave (mmWave)
communications, the physical propagation delays of electromagnetic waves traveling across …

On the sum-rate of RIS-assisted MIMO multiple-access channels over spatially correlated Rician fading

K Xu, J Zhang, X Yang, S Ma… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Reconfigurable intelligent surface (RIS) stands out as a promising technology by enhancing
the electromagnetic wave propagation environment with its passive reflecting elements. In …

Penalty dual decomposition method for nonsmooth nonconvex optimization—Part I: Algorithms and convergence analysis

Q Shi, M Hong - IEEE Transactions on Signal Processing, 2020 - ieeexplore.ieee.org
Many contemporary signal processing, machine learning and wireless communication
applications can be formulated as nonconvex nonsmooth optimization problems. Often there …

Spectral-efficient cellular communications with coexistent one-and two-hop transmissions

C Li, P Liu, C Zou, F Sun, JM Cioffi… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
The cellular communications scenario involving the coexistence of the one-hop direct
transmission and the two-hop relaying is studied in this paper. In contrast to conventional …

Full-duplex relay for enhancing physical layer security in multi-hop relaying systems

JH Lee - IEEE communications letters, 2015 - ieeexplore.ieee.org
In this letter, we consider secure communications in multi-hop relaying systems, where full-
duplex relays (FDRs) operate to enhance wireless physical layer security. Each FDR is …

Physical-layer security for full duplex communications with self-interference mitigation

F Zhu, F Gao, T Zhang, K Sun… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
In this paper, we design transmit beamforming for a full duplex base station (FD-BS)
considering both self-interference mitigation and physical-layer security. The proposed …

Joint transceiver optimization for IRS-aided MIMO communications

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 …

Matrix-monotonic optimization for MIMO systems

C Xing, S Ma, Y Zhou - IEEE Transactions on Signal Processing, 2014 - ieeexplore.ieee.org
For MIMO systems, due to the deployment of multiple antennas at both the transmitter and
the receiver, the design variables, eg, precoders, equalizers, and training sequences, are …

Millimeter-wave secrecy beamforming designs for two-way amplify-and-forward MIMO relaying networks

S Gong, C Xing, Z Fei, S Ma - IEEE Transactions on Vehicular …, 2016 - ieeexplore.ieee.org
The gigahertz unlicensed bandwidth spectrum endows millimeter-wave (mmWave)
communications with the great potential of realizing high data transmission rates. Similar to …