Efficient Channel Estimation for RIS-Aided MIMO Communications With Unitary Approximate Message Passing.
Yabo GuoPeng SunZhengdao YuanChongwen HuangQinghua GuoZhongyong WangChau YuenPublished in: IEEE Trans. Wirel. Commun. (2023)
Keyphrases
- message passing
- channel estimation
- communication systems
- inference in graphical models
- belief propagation
- cdma systems
- fading channels
- distributed systems
- multipath
- estimation algorithm
- ofdm system
- frequency selective
- markov random field
- image registration
- sum product algorithm
- information systems
- computationally efficient
- computer simulation
- bit error rate
- probabilistic model
- bayesian networks