EM-based sparse channel estimation in OFDM systems with ℓq-norm regularization in the presence of phase noise and frequency offset.
Rodrigo CarvajalJuan C. AgüeroBoris I. GodoyDimitrios KatselisPublished in: LATINCOM (2015)
Keyphrases
- ofdm system
- norm regularization
- channel estimation
- canonical correlation analysis
- sparse representation
- estimation algorithm
- wireless communication
- multipath
- bit error rate
- frequency selective
- orthogonal frequency division multiplexing
- fading channels
- communication systems
- maximum likelihood
- wireless networks
- least squares
- image segmentation
- recursive least squares