Patent ID: 7127251

Claim:
A method of performing a Serving Radio Network Subsystem (“SRNS”) Relocation for a given User Equipment (“UE”) from a serving Radio Network Controller (“RNC”) to a target RNC in a Universal Mobile Telecommunications System (“UMTS”) radio network, the method comprising the steps of: sending a Relocation Required message from the serving RNC in the UMTS radio network to a UMTS core network, wherein the UMTS radio network and the UMTS core network are logically separated, and the Relocation Required message includes a Radio Resource Control (“RRC”) Initialization Information container, said container including a Radio Bearer Information Element for each Radio Bearer (“RB”) to be transferred; transparently incorporating by the UMTS core network, the RRC Initialization Information container into a Relocation Request message; sending the Relocation Request message from the UMTS core network to the target RNC; and mapping by the target RNC, Radio Access Bearers (“RABs”) to RBs for the given UE utilizing the Radio Bearer Information Elements received in the RRC Initialization Information container.