issues referred to the target input

[Yonglinz77]

Thank you for your repo, just have a question about the target inputs in ofdm_simulation. In the standard OFDM pilot based structure, the training inputs part has already a complete OFDM block (comb-type pilot with data slots), then why we concatenate a pure data-block (OFDM_data_codeword) behind that？
Thank you again!

[BassantTolba1234]

Dear sir, please what is the value of SNR (Signal Noise to ratio used in training the model ) ??