Integrating communications and control for UAV systems: Opportunities and challenges
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 …
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
With the increasing scale of antenna arrays in wideband millimeter-wave (mmWave)
communications, the physical propagation delays of electromagnetic waves traveling across …
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
Reconfigurable intelligent surface (RIS) stands out as a promising technology by enhancing
the electromagnetic wave propagation environment with its passive reflecting elements. In …
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
Many contemporary signal processing, machine learning and wireless communication
applications can be formulated as nonconvex nonsmooth optimization problems. Often there …
applications can be formulated as nonconvex nonsmooth optimization problems. Often there …
Spectral-efficient cellular communications with coexistent one-and two-hop transmissions
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 …
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 …
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 …
considering both self-interference mitigation and physical-layer security. The proposed …
Joint transceiver optimization for IRS-aided MIMO communications
Intelligent reflecting surface (IRS) is an emerging cost-efficient technology to enhance
communication performance by implementing a large number of passive reflecting elements …
communication performance by implementing a large number of passive reflecting elements …
Matrix-monotonic optimization for MIMO systems
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 …
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
The gigahertz unlicensed bandwidth spectrum endows millimeter-wave (mmWave)
communications with the great potential of realizing high data transmission rates. Similar to …
communications with the great potential of realizing high data transmission rates. Similar to …