About HARQ

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  • #11405
    lee hyunjee
    Participant

    Hi,
    I use LTE-A Link Level Simulation v1.4, and I have a question about HARQ.
    when it calculates the throughput, the HARQ is considered or not?
    I do the simulation in SUSISO simulation type, and 1.4MHz, and I checked the rv_idx is always ‘0’.
    It means the HARQ and retransmission are working?
    (I couldn’t find any part which HARQ effects the throughput calculations)

    #11406
    Stefan Schwarz
    Participant

    Hi,

    did you set LTE_params.max_HARQ_retransmission > 0 in LTE_load_parameters?
    did you deactivate feedback: LTE_params.UE_config.feedback = false? (if not, the CQI is adapted and there might not be a need for retransmissions).

    If this is done, you should get retransmissions.

    Best,
    Stefan.

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