Sparse channel estimation in OFDM systems using compressed sensing techniques in a Bayesian framework.
Renu JoseGirish PavithranAswathi C.Published in: Comput. Electr. Eng. (2017)
Keyphrases
- compressed sensing
- bayesian framework
- ofdm system
- channel estimation
- image reconstruction
- maximum a posteriori
- estimation algorithm
- wireless communication
- sparse representation
- random projections
- multipath
- frequency selective
- orthogonal frequency division multiplexing
- generative model
- bit error rate
- fading channels
- expectation maximization
- recursive least squares
- computationally efficient
- computer simulation
- communication systems
- super resolution
- maximum likelihood
- higher order
- image processing