An enhanced radio network controller (RNC) node of a radio access network stores context information for a user equipment unit which is in a Connected Mode, and initiates a cell update-prompting message which is transmitted the user equipment unit. The stored context information is used by the context-enhanced...http://www.google.de/patents/US20030050097?utm_source=gb-gplus-sharePatent US20030050097 - Recovery of mobile station(s) in connected mode upon RNC failure
