A modified compressed sampling matching pursuit algorithm on redundant dictionary and its application to sparse channel estimation on OFDM.
Chulong ChenMichael D. ZoltowskiPublished in: ACSCC (2011)
Keyphrases
- channel estimation
- pursuit algorithm
- sparse approximation
- matching pursuit
- communication systems
- ofdm system
- multipath
- sparse representation
- learning automata
- frequency selective
- fading channels
- estimation algorithm
- orthogonal frequency division multiplexing
- bit error rate
- image coding
- sparse coding
- linear combination
- basis functions
- noise model
- computer simulation
- random sampling
- gaussian process
- physical layer
- wireless channels
- convex relaxation
- filter bank
- frequency domain
- computer systems