RLF Handling During Multi-Connectivity Handover

A computer-readable storage medium that stores instructions for execution by one or more processors of a target base station (TBS), the instructions to configure the TBS for radio link failure (RLF) handling during a multi-connectivity handover between a source base station (SBS) and the TBS in a wireless network, and to cause the TBS to:

• decode a handover request from the SBS, the handover request including an indication of multi-connectivity support by the SBS and a request for confirmation of multi-connectivity handover capability by the TBS;
• encode a handover acknowledgment for transmission to the TBS in response to the handover request, the handover acknowledgment including a handover command for transmission to the UE via a first communication link between the UE and the SBS, and confirmation of multi-connectivity support by the TBS during the handover;
• decode a notification of an RLF detected on the first communication link, the notification received from the UE during the handover via a second communication link between the UE and the TBS;
• encode a serving cell release command for transmission to the UE via the second communication link, the serving cell release command in response to the notification.

A computer-readable storage medium that stores instructions for execution by one or more processors of a user equipment (UE), the instructions to configure the UE for radio link failure (RLF) handling during a multi-connectivity handover with a source base station (SBS) and a target base station (TBS), and to cause the UE to:

• encode a measurement report for transmission to the SBS via a first communication link, the measurement report triggered based on a measurement event configured by the SBS;
• decode radio resource control (RRC) signaling from the SBS, the RRC signaling including a handover command in response to the measurement report, the handover command including an indication for multi-connectivity support by the SBS and the TBS during the handover;
• perform a random access channel (RACH) procedure with the TBS using a second communication link between the UE and the TBS;
• and
• perform radio link monitoring (RLM) on the first communication link and the second communication link during the handover.