Safe convex approximation to outage-based MISO secrecy rate optimization under imperfect CSI and with artificial noise.
Qiang LiWing-Kin MaAnthony Man-Cho SoPublished in: ACSCC (2011)
Keyphrases
- global optimization
- optimization problems
- optimization algorithm
- convex functions
- increase in computational complexity
- convex hull
- semidefinite
- real world
- quasiconvex
- risk minimization
- convex optimization
- estimation error
- convex optimization problems
- continuous functions
- convex sets
- evolutionary algorithm
- closed form
- error bounds
- noisy data
- multi objective
- missing data
- efficient optimization
- stochastic gradient
- random noise
- noise level
- convex relaxation
- piecewise constant
- signal to noise ratio
- noise reduction
- globally optimal
- constrained optimization
- optimization methods