SPLIT PROTOCOL DATA UNIT (PDU) SESSION INDICATION FOR MULTI-RAT DUAL CONNECTIVITY (MR-DC) WITH 5GC

Utility Patent Application (A1)

May 19, 2022

Source: USPTO via Sqoop

Applicants: Apple Inc.

Inventors: Jaemin HAN, Feng YANG, Alexander SIROTKIN, Sudeep PALAT

A master node (MN) that determines a manner of a protocol data unit (PDU) session to be served, wherein the manner of the PDU session includes a split PDU session between the MN and a secondary node (SN) or a whole PDU session served by the MN, generates a request message to be transmitted to the SN to setup PDU session resources on the SN based on the manner of the PDU session is to be served and indicates, to the SN, the manner of the PDU session to be served. A SN that receives, from a MN, a request message to setup PDU session resources, determines a manner of the PDU session to be served, and sets up the PDU session resources on the SN, based on at least the manner of the PDU session to be served.