METHODS AND APPARATUS TO FACILITATE SECURITY CONTEXT TRANSFER, ROHC AND PDCP SN CONTEXT REINITIALIZATION DURING HANDOVER

摘要

Security context transfer and ROHC context transfer to enable secure and efficient mobile device handoff is facilitated by the introduction of new information elements to the UL Allocation message or separate downlink (DL) physical channel, the use of reverse tunneling during hand off (HO) to provide the User Equipment (UE) with new security parameters, the generation of multiple key sets and automated or context based triggering of the Security Mode Command.