37.3403GPPMulti-connectivityNROverall descriptionRelease 17Stage 2TS
Similar procedures as defined under clause 10.1.2.8 (Dual Connectivity operation) in TS 36.300  apply for MR-DC.
Similar CHO principles as defined in TS 36.300  and TS 38.300  apply for the Conditional PSCell Change and Conditional PSCell Addition in MR-DC.
Conditional PSCell Change and conditional PSCell addition are not supported for the MR-DC options NE-DC and NGEN-DC.
Configuration of a deactivated SCG in a conditional configuration, configuration of CPC while the SCG is deactivated and SCG deactivation while CPC is configured are not supported.
In MR-DC, CHO is supported in Master Node to eNB/gNB Change procedure, Inter-Master Node handover with/without Secondary Node change and eNB/gNB to Master Node change procedure.