Dictionary-Learning (DL)-Based Sparse CSI Estimation in Multiuser Terahertz (THz) Hybrid MIMO Systems Under Hardware Impairments and Beam-Squint Effect.
Priyanka MaitySuraj SrivastavaSunaina KhatriAditya K. JagannathamPublished in: IEEE Access (2022)
Keyphrases
- dictionary learning
- mimo systems
- sparse representation
- sparse coding
- low complexity
- image classification
- natural images
- multiple input multiple output
- video transmission
- face recognition
- neural network
- multipath
- test images
- fading channels
- communication systems
- unsupervised learning
- reinforcement learning
- image processing
- feature selection
- computer vision