Sparse Coding for Transform Domain-Based Sparse OFDM Channel Estimation.
Mahmoud NazzalMehmet Ali AygülAli GörçinHüseyin ArslanPublished in: SIU (2019)
Keyphrases
- sparse coding
- transform domain
- channel estimation
- communication systems
- sparse representation
- multipath
- ofdm system
- spatial domain
- natural images
- fading channels
- linear combination
- unsupervised learning
- image classification
- bit error rate
- image representation
- estimation algorithm
- generative model
- image patches
- feature space
- distributed video coding
- wireless communication
- sparse approximation
- multiscale
- macroblock
- high dimensional
- visual words
- frequency domain
- computer simulation
- higher order
- denoising
- face recognition