Keyphrases
Approximation Approach
33%
Approximation Techniques
33%
Artificial Noise
100%
Beamforming Vector
33%
Convergence Property
33%
Femtocell
66%
First-order Taylor Series Expansion
33%
General Systems
33%
Green Communication
33%
Heterogeneous Wireless Sensor Networks
100%
Iterative Algorithm
33%
Joint Optimization Problem
33%
Macrocell
100%
Massive multiple-input multiple-output (mMIMO)
33%
Max-min
66%
Near-optimal Solution
33%
Noise Transmission
33%
Noise Vectors
33%
Nonconvex
33%
Performance Loss
33%
Physical Layer Security
33%
Power Splitting
100%
Power Splitting Ratio
33%
Rank Relaxation
33%
Second-order Cone Programming Problem
33%
Secrecy Capacity
33%
Secure Beamforming
100%
Security Enhancement
33%
Sensor Node
33%
Sequential Parametric Convex Approximation
100%
Simultaneous Wireless Information
100%
Simultaneous Wireless Power
100%
Successive Convex Approximation
100%
System Framework
33%
Transfer Approach
33%
Two-tier
33%
Wireless Information Transfer
100%
Wireless Power Transfer
100%
Wiretap Channel
33%
Engineering
Beamforming
100%
Conventional Method
33%
Convergence Property
33%
Femtocells
66%
Iterative Algorithm
33%
Joints (Structural Components)
33%
Macrocell
100%
Multiple-Input Multiple-Output
100%
Multiuser
33%
Optimisation Problem
33%
Performance Loss
33%
Physical Layer Security
33%
Sensor Node
33%
Simultaneous Wireless Information and Power Transfer
100%
Splitting Ratio
33%
Taylor Series Expansion
33%
Transmissions
33%
Wireless Sensor Network
100%
Computer Science
Approximation (Algorithm)
100%
Approximation Technique
20%
Conventional Method
20%
Convergence Property
20%
Green Communication
20%
Iterative Algorithm
20%
MIMO Systems
100%
Optimization Problem
20%
Performance Loss
20%
Physical Layer Security
20%
Secrecy Capacity
20%
Sensor Node
20%
Taylor Series Expansion
20%
Wireless Sensor Network
100%
wiretap channel
20%