A robust artificial noise aided transmit design for MISO secrecy

Q Li, WK Ma - … Conference on Acoustics, Speech and Signal …, 2011 - ieeexplore.ieee.org
This paper considers an artificial noise (AN) aided secrecy rate maximization (SRM)
problem for a multi-input single-output (MISO) channel overheard by multiple single-antenna …

Safe convex approximation to outage-based MISO secrecy rate optimization under imperfect CSI and with artificial noise

Q Li, WK Ma, AMC So - 2011 Conference Record of the Forty …, 2011 - ieeexplore.ieee.org
Consider a scenario in which an MISO channel is overheard by multiple single-antenna
eavesdroppers. The transmitter has perfect channel state information (CSI) with the …

Optimal and robust transmit designs for MISO channel secrecy by semidefinite programming

Q Li, WK Ma - IEEE Transactions on Signal Processing, 2011 - ieeexplore.ieee.org
In recent years there has been growing interest in study of multi-antenna transmit designs for
providing secure communication over the physical layer. This paper considers the scenario …

Spatially selective artificial-noise aided transmit optimization for MISO multi-eves secrecy rate maximization

Q Li, WK Ma - IEEE Transactions on Signal Processing, 2013 - ieeexplore.ieee.org
Consider an MISO channel overheard by multiple eavesdroppers. Our goal is to design an
artificial noise (AN)-aided transmit strategy, such that the achievable secrecy rate is …

Secrecy rate maximization of a MISO channelwith multiple multi-antenna eavesdroppers via semidefinite programming

Q Li, WK Ma - … Conference on Acoustics, Speech and Signal …, 2010 - ieeexplore.ieee.org
The advances of multi-antenna techniques has recently led to renewed interest in physical-
layer secrecy, a meaningful topic that enables us to prevent eavesdroppers from retrieving …

An alternating optimization algorithm for the MIMO secrecy capacity problem under sum power and per-antenna power constraints

Q Li, M Hong, HT Wai, WK Ma, YF Liu… - … on Acoustics, Speech …, 2013 - ieeexplore.ieee.org
This paper considers transmit covariance optimization for a multi-input multi-output (MIMO)
Gaussian wiretap channel. Specifically, we aim to maximize the MIMO secrecy capacity by …

Robust artificial-noise aided transmit design for multi-user MISO systems with integrated services

W Mei, Z Chen, C Huang - 2016 IEEE International Conference …, 2016 - ieeexplore.ieee.org
This paper considers an optimal artificial noise (AN)-aided transmit design for multi-user
MISO systems in the eyes of service integration. Specifically, two sorts of services are …

Secrecy rate optimizations for a MISO secrecy channel with multiple multiantenna eavesdroppers

Z Chu, H Xing, M Johnston… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
This paper investigates secrecy rate optimization problems for a multiple-input-single-output
(MISO) secrecy channel in the presence of multiple multiantenna eavesdroppers …

Secrecy rate optimizations for a MIMO secrecy channel with a multiple-antenna eavesdropper

K Cumanan, Z Ding, B Sharif, GY Tian… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
This paper studies different secrecy rate optimization problems for a multiple-input–multiple-
output (MIMO) secrecy channel. In particular, we consider a scenario where a …

A safe approximation approach to secrecy outage design for MIMO wiretap channels

Q Li, WK Ma, AMC So - IEEE Signal Processing Letters, 2013 - ieeexplore.ieee.org
Consider a multi-input multi-output (MIMO) channel wiretapped by multiple multi-antenna
eavesdroppers. Assuming imperfect eavesdroppers' channel state information (CSI) at the …