Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent
1995-08-21
1998-12-29
Chin, Wellington
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
455433, 455432, H04Q 720, H04Q 722, H04Q 724
Patent
active
058549820
ABSTRACT:
To alleviate the constraints imposed on communication system management by the assignment of dedicated ranges of MSISDNs and IMSIs to each particular home location register (HLR.sub.1, HLR.sub.2, HLR.sub.N), the present invention provides an ability to separate IMSIs and MSISDNs between HLR platforms by providing at least two databases (80-90) separated from one another and indexed in terms of ranges of MSISDNs and ranges of IMSIs, as illustrated in FIG. 5. A cross-reference (92, 95) is both stored within a particular MSISDN and a particular IMSI to maintain an association therebetween, thereby allowing access to subscription information stored in at least one of the particular MSISDN and the particular IMSI.
REFERENCES:
patent: 5479481 (1995-12-01), Koivunen
patent: 5537457 (1996-07-01), Lantto et al.
patent: 5537594 (1996-07-01), Shannon et al.
patent: 5596624 (1997-01-01), Armbruster et al.
Seshadri Mohan and Ravi Jain, "Two User Location Strategies for Personal Communications Services", IEEE Personal Communication 1st Quarter, No. 1, New York, New York, pp. 42-50.
Chambers David
Crichton Paul
Gustafson Kenneth A.
Hathaway-Norman Karen E.
Schroeder Sue Ellen
Chin Wellington
Ferguson Keith
Motorola Inc.
Sonnentag Richard A.
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