Group Sparsity via Implicit Regularization for MIMO Channel Estimation.
Akshay KumarAkshay MalhotraShahab Hamidi-RadPublished in: WCNC (2023)
Keyphrases
- channel estimation
- group sparsity
- structured sparsity
- fading channels
- communication systems
- cdma systems
- ofdm system
- multipath
- sparse coding
- dictionary learning
- low rank
- frequency selective
- estimation algorithm
- statistical learning
- sparse representation
- bit error rate
- wireless communication
- wireless channels
- compressive sensing
- physical layer
- learning problems
- missing data
- convex optimization problems
- channel coding
- matrix factorization
- regularization methods
- linear combination
- orthogonal frequency division multiplexing
- natural images
- image classification
- signal processing
- computational complexity