Keyphrases
Design Basis
100%
Frequency Division Duplex
100%
Massive MIMO Systems
100%
Sum-rate Maximization
100%
Training Design
100%
Downlink Training
100%
Channel Model
80%
Training Sequence
80%
Degrees of Freedom
60%
Sum-rate Performance
40%
Sequence Length
40%
Order of Magnitude
20%
Computational Complexity
20%
Practical Implementation
20%
Feasible Solution
20%
Analytical Solution
20%
Iterative Algorithm
20%
Single-stage
20%
Coherence Time
20%
Optimization Techniques
20%
Spatial Correlation
20%
Computationally Intensive
20%
Simplified Analysis
20%
Rate Performance
20%
Precoder
20%
Random Matrix Theory
20%
Regularized Zero-forcing
20%
Precoding
20%
Achievable Sum Rate
20%
Near-optimal Solution
20%
Ring Channels
20%
Artistic Training
20%
Training Structure
20%
Channel Covariance Matrix
20%
Eigen-beamforming
20%
Complexity Results
20%
Linear Superposition
20%
Zero-forcing Precoder
20%
Engineering
Division Duplex
100%
Channel Model
100%
Sum-Rate Maximization
100%
Massive MIMO
100%
Frequency Division
100%
Degree of Freedom
75%
Superposition
75%
Precoders
50%
Closed Form Solution
25%
Iterative Algorithm
25%
Simplified Analysis
25%
Spatial Correlation
25%
Coherence Time
25%
Closed Form
25%
Covariance Matrix
25%
Computational Complexity
25%
Optimization Technique
25%
Feasible Solution
25%
Linear Superposition
25%
INIS
iterative methods
100%
design
100%
solutions
60%
performance
60%
degrees of freedom
60%
length
40%
matrices
40%
comparative evaluations
20%
correlations
20%
implementation
20%
optimization
20%
reduction
20%
accuracy
20%
algorithms
20%
randomness
20%
rings
20%
analytical solution
20%