Section: 5.4.2.3 Reception of the RRCReconfiguration by the UE
Content: The UE shall: 1> apply the default L1 parameter values as specified in corresponding physical layer specifications except for the parameters for which values are provided in SIB1; 1> apply the default MAC Cell Group configuration as specified in 9.2.2; 1> perform RRC reconfiguration procedure as specified in 5.3.5; NOTE: If the UE is connected to 5GC of the source E-UTRA cell, the delta configuration for PDCP and SDAP can be used for intra-system inter-RAT handover. For other cases, source RAT configuration is not considered when the UE applies the reconfiguration message of target RAT. Editor's Note: FFS whether to capture the agreement that all LTE QoE configurations are released at handover to NR in LTE specification or NR specification.