Improved Null-Space Expansion Scheme under Presence of Channel Estimation Error for Multiuser Massive MIMO.
Nobutaka FunakiKazuki MarutaChang-Jun AhnPublished in: WPMC (2020)
Keyphrases
- estimation error
- null space
- fading channels
- multipath
- wireless channels
- multiple input multiple output
- error rate
- average error
- standard deviation
- ofdm system
- linear discriminant analysis
- novelty detection
- data analysis
- covariance matrix
- singular value decomposition
- orthogonal frequency division multiplexing
- step size
- bit error rate
- pattern recognition
- data sets
- singular values
- principal components
- discriminant analysis