Variable-step-size based sparse adaptive filtering algorithm for channel estimation in broadband wireless communication systems.
Guan GuiWei PengLi XuBeiyi LiuFumiyuki AdachiPublished in: EURASIP J. Wirel. Commun. Netw. (2014)
Keyphrases
- filtering algorithm
- variable step size
- ofdm system
- channel estimation
- step size
- convergence rate
- blind source separation
- fading channels
- convergence speed
- communication systems
- wireless communication
- estimation algorithm
- multipath
- recursive least squares
- median filter
- orthogonal frequency division multiplexing
- multiple input multiple output
- sparse representation
- bit error rate
- filtering method
- non stationary
- video sequences
- image segmentation
- image data
- cost function