1.

At What Scenario Ue Triggers Bsr?

Answer»
  • UL data, for a logical channel which belongs to a LCG, becomes AVAILABLE for transmission in the RLC entity or in the PDCP entity and either the data belongs to a logical channel with higher priority than the priorities of the logical channels which belong to any LCG and for which data is already available for transmission, or there is no data available for transmission for any of the logical channels which belong to a LCG, in which case the BSR is referred below to as "Regular BSR";
  • UL resources are allocated and number of padding bits is equal to or larger than the SIZE of the Buffer Status Report MAC control ELEMENT plus its subheader, in which case the BSR is referred below to as "Padding BSR"
  •  retxBSR-Timer expires and the UE has data available for transmission for any of the logical channels which belong to a LCG, in which case the BSR is referred below to as "Regular BSR"
  • periodicBSR-Timer expires, in which case the BSR is referred below to as "Periodic BSR".


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