Briefly, in accordance with one or more embodiments, an apparatus of user equipment (UE) comprises circuitry to receive data transmissions as packet data convergence protocol (PDCP) packets from a radio bearer via two or more Radio Access Technologies (RATs). One or more PDCP packets are offloaded from a first RAT to a second RAT. The apparatus comprises circuitry to aggregate the received data PDCP packets, and report a status of the PDCP packets to the radio bearer.