Time-varying narrowband channel estimation: Exploiting low-rank and sparsity via bilinear representation.
Sajjad BeygiUrbashi MitraPublished in: ACSSC (2016)
Keyphrases
- low rank
- sparsity constraints
- singular value decomposition
- channel estimation
- convex optimization
- matrix factorization
- missing data
- linear combination
- matrix completion
- low rank matrix
- semi supervised
- rank minimization
- ofdm system
- high dimensional data
- image representation
- multipath
- least squares
- multiscale
- high order
- wireless communication
- trace norm
- sparse representation
- higher order
- small number
- optical flow
- recommender systems