Fig 1.
CFMM architecture.
Fig 2.
RNN based hybrid precoding.
Table 1.
Simulation specifications for RNNs model training.
Fig 3.
The average spectral efficiency versus SNR.
Fig 4.
The average spectral efficiency versus number of transmitter antennas ().
Fig 5.
The average spectral efficiency versus number of users.
Fig 6.
The average spectral efficiency versus number of RF chains.
Fig 7.
The BER versus SNR for 16-QAM with 256 transmitting antennas.
Fig 8.
The BER versus SNR for 64-QAM with 256 transmitting antennas.
Fig 9.
The BER versus SNR for 64-QAM for 64 transmitting antennas.