A user equipment, UE, device, comprising: a radio; and a processing element communicatively coupled to the radio; wherein the radio and the processing element are configured to: establish a first radio bearer with a base station wherein the first radio bearer utilizes uplink radio resources of a cellular radio interface; determine that radio resources provided by an access point according to a wireless local area networking, WLAN, radio interface would be available to the UE device; indicate to the base station that the UE device supports aggregating radio resources of multiple radio access technologies; indicate to the base station that radio resources provided according to the WLAN radio interface would be available to the UE device; and in response to a decision, from the base station, to split the first radio bearer between the cellular radio interface provided by the base station and the WLAN radio interface by the access point based on the indication that the UE device supports aggregating radio resources of multiple radio access technologies and the indication that radio resources provided according to the WLAN radio interface would be available to the UE device, redirect a portion of data of the first radio bearer to the WLAN radio interface, wherein a cellular protocol stack packet data convergence protocol (PDCP) layer of the UE device performs ciphering, buffering, processing, and routing packets of the data of the first radio bearer through the WLAN and cellular radio interfaces. a radio; and a processing element communicatively coupled to the radio; wherein the radio and the processing element are configured to: establish a first radio bearer with a base station wherein the first radio bearer utilizes uplink radio resources of a cellular radio interface; determine that radio resources provided by an access point according to a wireless local area networking, WLAN, radio interface would be available to the UE device; indicate to the base station that the UE device supports aggregating radio resources of multiple radio access technologies; indicate to the base station that radio resources provided according to the WLAN radio interface would be available to the UE device; and in response to a decision, from the base station, to split the first radio bearer between the cellular radio interface provided by the base station and the WLAN radio interface by the access point based on the indication that the UE device supports aggregating radio resources of multiple radio access technologies and the indication that radio resources provided according to the WLAN radio interface would be available to the UE device, redirect a portion of data of the first radio bearer to the WLAN radio interface, establish a first radio bearer with a base station wherein the first radio bearer utilizes uplink radio resources of a cellular radio interface; determine that radio resources provided by an access point according to a wireless local area networking, WLAN, radio interface would be available to the UE device; indicate to the base station that the UE device supports aggregating radio resources of multiple radio access technologies; indicate to the base station that radio resources provided according to the WLAN radio interface would be available to the UE device; and in response to a decision, from the base station, to split the first radio bearer between the cellular radio interface provided by the base station and the WLAN radio interface by the access point based on the indication that the UE device supports aggregating radio resources of multiple radio access technologies and the indication that radio resources provided according to the WLAN radio interface would be available to the UE device, redirect a portion of data of the first radio bearer to the WLAN radio interface, wherein a cellular protocol stack packet data convergence protocol (PDCP) layer of the UE device performs ciphering, buffering, processing, and routing packets of the data of the first radio bearer through the WLAN and cellular radio interfaces.