In 5G-LENA (ns-3), my understanding is that built-in schedulers (e.g., RR, PF) use a wideband MCS to pre-calculate RB/RBG requirements per UE based on BSR in each slot, then refine the MCS post-allocation using subband CQIs averaged over assigned RBGs. This can lead to a TBS mismatch, causing incomplete buffer draining or excess capacity. Can someone confirm this behavior?
Could this TBS mismatch cause issues (e.g., latency or throughput variability) for application traffic?
Thanks.
Sudarsanan
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