Patent ID: 6397065
Filing Date: 2002-05-28
Classification: H04W

Abstract:
A location updating method in a cordless communications system, comprising a cellular-type radio access network connected to at least one of one or more core networks and one or more services, each of the one or more core networks and the one or more services having a dedicated location management with a dedicated location area configuration, the method comprising:broadcasting in each cell of the radio access network identities of the location areas to which said cell belongs in said different location area configurations; sending a location updating message from a subscriber terminal when some of the broadcast location area identities change at a handover from the area of an old cell to the area of a new cell; sending only a single location updating message including information from a subscriber terminal irrespective of how many different location managements the location updating may concern; determining the location managements to which the location updating concerns, on the basis of the information contained in the location updating message; and sending a separate location updating message to each one of said determined location managements to update the location data of the subscriber or the subscriber terminal in each location management.