Efficient Channel Estimation for RIS-Aided MIMO Communications with Unitary Approximate Message Passing.
Yabo GuoPeng SunZhengdao YuanChongwen HuangQinghua GuoZhongyong WangChau YuenPublished in: CoRR (2021)
Keyphrases
- message passing
- channel estimation
- communication systems
- inference in graphical models
- cdma systems
- belief propagation
- fading channels
- distributed systems
- multipath
- ofdm system
- frequency selective
- markov random field
- computer systems
- wireless channels
- computationally efficient
- graphical models
- bit error rate
- image segmentation