Reply To: why feedback_channel_delay = 1,it should be 4 in FDD nt.tuwien.ac.at > Reply To: why feedback_channel_delay = 1,it should be 4 in FDD Search for: 13. March 2017 at 11:41 #7729 Fjolla AdemajMember Dear Wang The value of the LTE_config.feedback_channel_delay is a desired paramter. Based on the 3GPP standard it is recommended a value of 3 or 4. You can addapt this value in your simulations accordingly. Best regards, Fjolla