demo basic with PF sun

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  • #7854
    Naser
    Participant

    Dears,

    When running the demo basic, with prop fair sun, the throughput is around 25 Mbps.
    but when setting the LTE_config.feedback_channel_delay to 1, the throughput is severely degraded arounf 1 Mbps.

    this is not the case with RR scheduler, it only happened with PF Sun.

    Can you please clarify this.

    Regards,
    Naser

    #7896

    Hi Naser,

    since the round robin scheduler does not rely on any channel information to assign the resources, the performance of this scheduler is not influenced by the feedback delay. For the prop. fair scheduler, channel state information is used in the scheduling metric. Slightly outdated feedback will therefore lead to degraded performance.

    Best regards,
    Martin

    #7902
    Naser
    Participant

    Dear Martin,

    Thanks for your reply, it is clear now.

    Best regards,
    Naser

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