H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 7/26 (2006.01) H04Q 7/38 (2006.01)
Patent
CA 2112971
A method in conjunction with updating one or more HLR- databases included in a GSM-type mobile telephone system. Updating of an HLR (HRL1) is requested by sending a so-called Reset-message, which identifies the HLR-database concerned, to a number of VLR-databases. The losses in process capacity of the VLR-bases will be relatively small, because of the following: the time points (t:HLR1) at which Reset-messages and the time points (t:MS1) at which radio contacts were made with different mobile stations (MS1) are registered in each VLR. For each radio contact made between a VLR and a mobile station, a search is made in VLR to ascertain whether the mobile station belongs to an HLR which has been requested updating. If such is the case, the time point of the earliest preceding radio contact between the VLR and the mobile station is compared in VLR with the time point at which the Reset-message was received, wherein HLR is updated with data from VLR when the preceding radio contact occured before the Reset-message was received.
Lantto Jorgen
Moberg Jorgen
Marks & Clerk
Telefonaktiebolaget Lm Ericsson
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