Unifying split bearers in lte interworking

An apparatus, comprising:

• a memory interface to store a radio resource control (RRC) message;
• and
• circuitry for user equipment (UE), the circuitry to:
• receive the RRC message from a master node (MN), the RRC message comprising indications of at least one of a radio bearer (RB) configuration for a master cell group (MCG), a RB configuration for a secondary cell group (SCG), or a packet data convergence protocol (PDCP) configuration;
• and
• configure, based on the at least one of the RB configuration for the MCG, the RB configuration for the SCG, or the PDCP configuration of the RRC message, at least one component of a layer stack to enable communication with the MN in the MCG and a secondary node (SN) in the SCG, where data to or from the UE can be split and communicated to or from the UE via either the first MN or the SN.

User equipment (UE), comprising:

• radio frequency (RF) circuitry;
• and
• baseband circuitry coupled to the RF circuitry, the baseband circuitry to:
• receive, via the RF circuitry, a radio resource control (RRC) message from a master node (MN), the RRC message comprising indications of at least one of a radio bearer (RB) configuration for a master cell group (MCG), a RB configuration for a secondary cell group (SCG), or a packet data convergence protocol (PDCP) configuration;
• and
• establish, based on the at least one of the RB configuration for the MCG, the RB configuration for the SCG, or the PDCP configuration of the RRC message, communication with the MN in the MCG and a secondary node (SN) in the SCG, where data to or from for the UE can be split and communicated to or from the UE via either the MN or the SN.

At least one computer-readable storage medium having stored thereon instructions that, when executed by processing circuitry of user equipment (UE), cause the UE to:

• receive a radio resource control (RRC) message from a master node (MN), the RRC message comprising indications of at least one of a radio bearer (RB) configuration for a master cell group (MCG), a RB configuration for a secondary cell group (SCG), or a packet data convergence protocol (PDCP) configuration;
• configure, based on the at least one of the RB configuration for the MCG, the RB configuration for the SCG, or the PDCP configuration of the RRC message, at least one component of a layer stack;
• and
• establish, using the layer stack, communication with the MN in the MCG and a secondary node (SN) in the SCG, where data to or from the UE can be split and communicated to or from the UE via either the MN or the SN.