HARQ-CC or HARQ-IR?

[praghur]

Hello.

Which HARQ technique does srsran_project use during re-transmission? Is there a way to choose a certain HARQ technique? I looked in the documentation for this information but could not find it. Thanks in advance.

[dvdgrgrtt]

Hi @praghur,
the HARQ technique is determined by the rv_sequence parameter (rv stands for redundancy version). So, if you set it to something like [0 2 3 1], you get an IR type of HARQ (have a look here if you need more details on RV). Conversely, if you prefer CC, you can set rv_sequence: [0] and all repetitions will carry the same bits (as long as the rest of conditions remain unaltered).