Multi-scale multi-lag channel estimation via linearization of training signal spectrum and sparse approximation.
Sajjad BeygiUrbashi MitraMariane R. PetragliaPublished in: ICASSP (2015)
Keyphrases
- sparse approximation
- multiscale
- channel estimation
- signal processing
- linear combination
- communication systems
- multipath
- ofdm system
- noise model
- image segmentation
- gaussian process
- frequency domain
- end to end
- sparse coding
- high frequency
- non stationary
- estimation algorithm
- image representation
- least squares
- wavelet transform
- image processing