An Off-Grid Massive MIMO Channel Estimator With Unknown Angular Cluster Prior.
Hongyun ChuLe ZhengXiaodong WangPublished in: IEEE Wirel. Commun. Lett. (2020)
Keyphrases
- fading channels
- mimo systems
- maximum a posteriori
- multiple input multiple output
- multiple input
- wireless channels
- ofdm system
- channel estimation
- least squares
- clustering algorithm
- transmission scheme
- estimation algorithm
- mimo ofdm
- multiple access
- communication systems
- recursive least squares
- maximum likelihood
- multiple output
- multi channel
- wireless communication
- physical layer
- multi input multi output
- orthogonal frequency division multiplexing
- data analysis
- estimation error
- cluster analysis
- prior knowledge
- light field
- grid computing
- low complexity
- markov random field
- cdma systems
- data points