Limited Feedforward for Channel Estimation in Massive MIMO With Cascaded Precoding.
Yinsheng LiuLi YouXia ChenKai LiuPublished in: IEEE Access (2019)
Keyphrases
- feed forward
- channel estimation
- cdma systems
- communication systems
- fading channels
- ofdm system
- multipath
- back propagation
- frequency selective
- neural network
- neural nets
- artificial neural networks
- estimation algorithm
- recurrent neural networks
- bit error rate
- visual cortex
- activation function
- adaptive neural
- feed forward neural networks
- physical layer
- hidden layer
- wireless channels
- computer simulation
- data processing
- multiple input multiple output
- expert systems
- computationally efficient
- computer systems
- denoising
- decision making