Dictionary Learning Based Sparse Channel Representation and Estimation for FDD Massive MIMO Systems.
Yacong DingBhaskar D. RaoPublished in: CoRR (2016)
Keyphrases
- dictionary learning
- mimo systems
- sparse representation
- dictionary learning for sparse
- sparse coding
- sparsity constraints
- low complexity
- image representation
- fading channels
- video transmission
- wireless channels
- natural images
- image classification
- sparse representation based classification
- multiple input multiple output
- data analysis
- image patches
- generative model
- wireless communication
- computational complexity
- pattern recognition
- channel coding
- object recognition
- estimation algorithm
- high quality
- unsupervised learning