Patent ID: 11968529
Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 19:
20. A second radio communication device for enabling communication between a first radio communication device and a network, wherein the first radio communication device is configured to communicate with the network according to a radio protocol stack, the second radio communication device comprising processing circuitry, the processing circuitry being configured to cause the second radio communication device to:
obtain at least one key, as derived from credentials of the first radio communication device during authentication of the first radio communication device with the network;
negotiating how the radio protocol stack is to be split between the first radio communication device and the second radio communication device, wherein the radio protocol stack being downloaded from the network, the radio protocol stack comprises a user plane protocol and a control plane protocol, the user plane protocol and the control plane protocol are split between the first radio communication device and the second radio communication device;
based at least on the negotiation, obtain, as payload and from the first radio communication device, signalling in accordance with an upper part of the radio protocol stack, wherein the upper part of the radio protocol stack corresponds to the user plane protocol; and
forward the signalling to the network by executing the remaining part of the radio protocol stack, wherein the at least one key is for use by the second radio communication device when executing the remaining part of the radio protocol stack.