Patent ID: 11917462
Assignee: SHARP KABUSHIKI KAISHA
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 2:
3. A method of a terminal apparatus, the method comprising:
determining whether or not NG-RAN E-UTRA-NR Dual Connectivity (NGEN-DC) is configured to the terminal apparatus in a case of requesting RRC connection re-establishment to a base station apparatus on an E-UTRA side,
triggering a release of an NR secondary cell group in Multi-RAT Dual Connectivity (MR-DC) in a case that NGEN-DC is configured to the terminal apparatus, and
releasing an RLC entity for each RLC bearer configured in the NR secondary cell group in the MR-DC in a case that the release of the NR secondary cell group in the MR-DC is triggered.