Enhanced ELM Based Channel Estimation for RIS-Assisted OFDM Systems With Insufficient CP and Imperfect Hardware.
Chaojin QingLi WangLei DongJiafan WangPublished in: IEEE Commun. Lett. (2022)
Keyphrases
- ofdm system
- channel estimation
- estimation algorithm
- wireless communication
- multipath
- bit error rate
- fading channels
- frequency selective
- orthogonal frequency division multiplexing
- computer systems
- communication networks
- data acquisition
- recursive least squares
- image processing
- communication systems
- back propagation
- shortest path
- computer simulation