Dictionary Learning-Based Channel Estimation for RIS-Aided MISO Communications.
Zizhen ZhouBowen CaiJie ChenYing-Chang LiangPublished in: IEEE Wirel. Commun. Lett. (2022)
Keyphrases
- dictionary learning
- channel estimation
- communication systems
- sparse representation
- sparse coding
- computer systems
- multipath
- ofdm system
- estimation algorithm
- bit error rate
- small number
- signal processing
- image classification
- wireless channels
- neural network
- image processing
- ground truth
- negative matrix factorization
- face recognition
- pattern recognition
- communication networks
- linear combination
- image representation
- natural images