Keyphrases
Noise Ratio
100%
Robust Beamforming
100%
Multiple-input Single-output
100%
Secrecy Communication
100%
Cooperative Jammer
100%
Beamforming Technique
100%
Numerical Results
50%
Original Problem
50%
Legitimate User
50%
Robust Scheme
50%
Semidefinite Programming
50%
Channel Uncertainty
50%
Transmit Covariance Matrix
50%
Eavesdropper
50%
S-procedure
50%
Lagrange Duality
50%
Transmit Power Constraint
50%
Ratio Constraint
50%
Engineering
Cooperative
100%
Noise Ratio
100%
Input Multiple
100%
Single Output
100%
Beamforming
100%
Jammer
100%
Transmissions
50%
Covariance Matrix
50%
Maximization
50%
Power Constraint
50%
S-Procedure
50%
Computer Science
Covariance Matrix
100%
Dual Problem
100%
Legitimate User
100%
Power Constraint
100%
Semidefinite Programming
100%