US6275706B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mobile telecommunications network and method for implementing and identifying hierarchical overlapping radio coverage areas
Assignee: Telefonaktiebolaget LM Ericsson AB
•
Filing: 1998-11-09
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Granted: 2001-08-14
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Expires: 2018-11-09
Abstract
Abstract A mobile telecommunications network and method for identifying hierarchical and overlapping radio coverage areas including a combination of at least one location area and at least one routing area. More specifically, the mobile telecommunications network includes a first switching center and a second switching center coupled to a controller that manages a plurality of location areas and a plurality of routing areas. The location areas and routing areas are also controlled by the first switching center and the second switching center, respectively. The mobile telecommunications network further includes a plurality of cells, where the cells accommodate at least one of the location areas and at least one of the routing areas. Lastly, the mobile telecommunications network further includes an identification system for identifying at least one combination identifier representative of the at least one location area and the at least one routing area accommodated by each cell.
Inventors
- 👤 Johan Rune
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:59
CPC Classifications
H; H04; H04W; H04W8/00; H04W8/26; H04W48/00; H04W48/08; H04W60/00; H04W88/00; H04W88/02; H04W88/06
Claims Analysis
Total Claims: 90
Claim 1
Independent Claim
141 words
A mobile telecommunications network comprising: a first switching center; a second switching center; a controller, coupled to the first switching center and the second switching center, for managing a plurality of location areas and a plurality of routing areas, said location areas and said routing areas are further controlled by the first switching center and the second switching center, respectively; a plurality of cells, each cell accommodating at least one of said location areas and at least one of said routing areas; and an identification system for identifying at least one combination identifier representative of at least one location area identifier associated with said at least one of said location areas and at least one routing area identifier associated with said at least one of said routing areas, each of at least one combination identifier being assigned a respective combination number.
Claim 2
Dependent Claim
141 words
A mobile telecommunications network comprising: a first switching center; a second switching center; a controller, coupled to the first switching center and the second switching center, for managing a plurality of location areas and a plurality of routing areas, said location areas and said routing areas are further controlled by the first switching center and the second switching center, respectively; a plurality of cells, each cell accommodating at least one of said location areas and at least one of said routing areas; and an identification system for identifying at least one combination identifier representative of at least one location area identifier associated with said at least one of said location areas and at least one routing area identifier associated with said at least one of said routing areas, each of at least one combination identifier being assigned a respective combination number.
Claim 3
Dependent Claim
50 words
The mobile telecommunications network of claim 1 , wherein said identification system further includes a plurality of transceiver stations controlled by said controller, each transceiver station is located in each cell and operable to broadcast said at least one location area identifier and said at least one routing area identifier.
Claim 4
Dependent Claim
19 words
The mobile telecommunications network of claim 1 , wherein each location area identifier is further assigned a location number.
Claim 5
Dependent Claim
43 words
The mobile telecommunications network of claim 3 , wherein said identification system further includes one of the location number and two of the at least one combination identifier when said cell accommodates one of the location areas and two of the routing areas.
Claim 6
Dependent Claim
43 words
The mobile telecommunications network of claim 3 , wherein said identification system further includes two of the location number and two of the at least one combination identifier when said cell accommodates two of the location areas and one of the routing areas.
Claim 7
Dependent Claim
43 words
The mobile telecommunications network of claim 3 , wherein said identification system further includes three of the location number and nine of the at least one combination identifier when said cell accommodates three of the location areas and three of the routing areas.
Claim 8
Dependent Claim
62 words
The mobile telecommunications network of claim 3 , further comprising a mobile station for generating the at least one location number and the at least one combination identifier in response to receiving the at least one location area identifier and the at least one routing area identifier broadcast from the transceiver station in the cell where said mobile station is currently located.
Claim 9
Dependent Claim
59 words
The mobile telecommunications network of claim 7 , further comprising means for appending a temporary mobile subscriber identity to one of the at least one location area identifier or the location number, where said one location area identifier and said location number corresponds with the location area where the temporary mobile subscriber identity was assigned to the mobile station.
Claim 10
Dependent Claim
59 words
The mobile telecommunications network of claim 7 , further comprising means for attaching a service area flag to each routing area identifier, said service area flag is enabled when the mobile station is roaming outside a service area including at least one of the routing areas controlled by the second switching center that assigned a temporary logical link identity.
Claim 11
Dependent Claim
69 words
The mobile telecommunications network of claim 9 , further comprising means for combining the temporary logical link identity to one of the at least one combination identifier or said combination number when the service area flag is enabled, where said one combination identifier and said one combination number corresponds with the location area and the routing area where the temporary logical link identity was assigned to the mobile station.
Claim 12
Dependent Claim
46 words
The mobile telecommunications network of claim 7 , further comprising means for routing information between the first switching center and another first switching center when the mobile terminal is roaming in one of the location areas overlapping a location area of said another first switching center.
Claim 13
Dependent Claim
35 words
The mobile telecommunications network of claim 11 , wherein said mobile terminal further includes means for originating a call by way of said another first switching center using the information from the first switching center.
Claim 14
Dependent Claim
46 words
The mobile telecommunications network of claim 7 , further comprising means for routing information between the second switching center and another second switching center when the mobile terminal is roaming in one of the routing areas overlapping a routing area of said another second switching center.
Claim 15
Dependent Claim
36 words
The mobile telecommunications network of claim 13 , wherein said mobile terminal further includes means for originating packet data transfers by way of said another second switching center using the information from the second switching center.
Claim 16
Dependent Claim
66 words
The mobile telecommunications network of claim 7 , further comprising an interface, located between the first switching center and the second switching center, for informing the second switching center as to which one of the location area identifiers is currently used by the first switching center when the second switching center performs a coordinated routing update assigning one of the at least one routing area identifier.
Claim 17
Dependent Claim
56 words
The mobile telecommunications network of claim 7 , wherein each cell includes a preferred location area stored as configuration data in the first switching center and the second switching center, said preferred location area used by the second switching center when performing an uncoordinated routing update assigning one of the at least one routing area identifier.
Claim 18
Dependent Claim
25 words
The mobile telecommunications network of claim 7 , wherein said mobile terminal further includes means for initiating a coordinated routing update including a location update.
Claim 19
Dependent Claim
60 words
The mobile telecommunications network of claim 17 , wherein said routing update further includes a real routing update and a virtual routing update, said real routing update used when the mobile terminal roamed into another one of the routing areas, and said virtual routing update used when the mobile terminal has roamed where only the routing area identifier has changed.
Claim 20
Dependent Claim
41 words
The mobile telecommunications network of claim 1 , further comprising another second switching center including a second plurality of routing areas having a service area adjacent to a service area of the plurality of routing areas of the second switching center.
Claim 21
Dependent Claim
20 words
The mobile telecommunications network of claim 1 , wherein said first switching center further includes a mobile service switching center.
Claim 22
Dependent Claim
23 words
The mobile telecommunications network of claim 1 , wherein said second switching center further includes a serving general packet radio service support node.
Claim 23
Dependent Claim
26 words
The mobile telecommunications network of claim 1 , wherein said controller further includes a selected one of a base station controller and a radio network controller.
Claim 24
Dependent Claim
164 words
A mobile telecommunications network comprising: a mobile service switching center; a serving general packet radio service support node; a controller, coupled to the mobile service switching center and the serving general packet radio service support node, for managing a plurality of location areas and a plurality of routing areas, said location areas and said routing areas are controlled by the mobile service switching center and the serving general packet radio service support node, respectively; a plurality of cells, each cell accommodating a combination of at least one of said location areas and at least one of said routing areas; and an identification system for identifying the combination of the at least one of said location areas and the at least one of said routing areas, said identification system including a transceiver station controlled by said controller and located in each cell, said transceiver station including means for broadcasting a combined location code representative of the at least one location area accommodated by each cell.
Claim 25
Dependent Claim
164 words
A mobile telecommunications network comprising: a mobile service switching center; a serving general packet radio service support node; a controller, coupled to the mobile service switching center and the serving general packet radio service support node, for managing a plurality of location areas and a plurality of routing areas, said location areas and said routing areas are controlled by the mobile service switching center and the serving general packet radio service support node, respectively; a plurality of cells, each cell accommodating a combination of at least one of said location areas and at least one of said routing areas; and an identification system for identifying the combination of the at least one of said location areas and the at least one of said routing areas, said identification system including a transceiver station controlled by said controller and located in each cell, said transceiver station including means for broadcasting a combined location code representative of the at least one location area accommodated by each cell.
Claim 26
Dependent Claim
32 words
The mobile telecommunications network of claim 23 , wherein said combined location code further includes at least one location code for differentiating any one of the locations areas from neighboring location areas.
Claim 27
Dependent Claim
44 words
The mobile telecommunications network of claim 24 , further comprising a mobile station for generating the at least one location number and the at least one combination number and for detecting a transition from one to another of the at least one location area.
Claim 28
Dependent Claim
49 words
The mobile telecommunications network of claim 25 , further comprising means for appending a temporary mobile subscriber identity to one of the at least one location code, where said one location code corresponds with the location area where the temporary mobile subscriber identity was assigned to the mobile station.
Claim 29
Dependent Claim
53 words
The mobile telecommunications network of claim 25 , wherein said mobile station further includes means for initiating a location update with the first switching center using one of the at least one first location area identifier upon the detected transition from the one to the another of the at least one location area.
Claim 30
Dependent Claim
41 words
The mobile telecommunications network of claim 27 , wherein said mobile station further includes a timer for triggering the location update upon expiration of a predetermined amount of time during which the mobile station did not receive the combined location code.
Claim 31
Dependent Claim
33 words
The mobile telecommunications network of claim 23 , wherein each transceiver station further includes means for broadcasting a combined routing code representative of the at least one routing area accommodated by each cell.
Claim 32
Dependent Claim
32 words
The mobile telecommunications network of claim 29 , wherein said combined routing code further includes at least one routing code for differentiating any one of the routing areas from neighboring routing areas.
Claim 33
Dependent Claim
36 words
The mobile telecommunications network of claim 29 , further comprising a mobile station for receiving the broadcasted combined routing code and for detecting a transition from one to another of the at least one routing area.
Claim 34
Dependent Claim
46 words
The mobile telecommunications network of claim 31 , further comprising means for combining a temporary logical link identity to one of the at least one routing code, where said one routing code corresponds with the routing area where the mobile station performed its prior routing update.
Claim 35
Dependent Claim
56 words
The mobile telecommunications network of claim 31 , wherein said mobile station further includes means for initiating a routing update with the serving general packet radio service support node using one of the at least one routing area identifier upon the detected transition from the one to the another of the at least one routing area.
Claim 36
Dependent Claim
41 words
The mobile telecommunications network of claim 33 , wherein said mobile station further includes a timer for triggering the routing update upon expiration of a predetermined amount of time during which the mobile station did not receive the combined routing code.
Claim 37
Dependent Claim
50 words
The mobile telecommunications network of claim 23 , further comprising a second serving general packet radio service support node including a second plurality of routing areas having a service area adjacent to a service area of the plurality of routing areas of the serving general packet radio service support center.
Claim 38
Dependent Claim
26 words
The mobile telecommunications network of claim 23 , wherein said controller further includes a selected one of a base station controller and a radio network controller.
Claim 39
Independent Claim
138 words
A method for implementing and identifying hierarchical overlapping radio coverage areas used in a mobile telecommunications network, said method comprising the steps of: managing a plurality of location areas using a first switching center; managing a plurality of routing areas using a second switching center; accommodating at least one of said location areas and at least one of said routing areas within a cell; broadcasting at least one location area identifier representative of the at least one location area and broadcasting at least one routing area identifier representative of the at least one routing area accommodated by said cell; generating at least one combination identifier representative of the broadcasted at least one location area identifier and the broadcasted at least one routing area identifier; and assigning each of said at least one combination identifier a respective combination number.
Claim 40
Independent Claim
138 words
A method for implementing and identifying hierarchical overlapping radio coverage areas used in a mobile telecommunications network, said method comprising the steps of: managing a plurality of location areas using a first switching center; managing a plurality of routing areas using a second switching center; accommodating at least one of said location areas and at least one of said routing areas within a cell; broadcasting at least one location area identifier representative of the at least one location area and broadcasting at least one routing area identifier representative of the at least one routing area accommodated by said cell; generating at least one combination identifier representative of the broadcasted at least one location area identifier and the broadcasted at least one routing area identifier; and assigning each of said at least one combination identifier a respective combination number.
Claim 41
Dependent Claim
19 words
The method of claim 37 , further comprising the step of assigning each location area identifier a location number.
Claim 42
Dependent Claim
25 words
The method of claim 37 , wherein said step of generating further includes using a mobile station to generate the at least one combination identifier.
Claim 43
Dependent Claim
58 words
The method of claim 39 , further comprising the step of appending a temporary mobile subscriber identity to one of the at least one location area identifier or the location number, where said one location area identifier and said location number corresponds with the location area where the temporary mobile subscriber identity was assigned to the mobile station.
Claim 44
Dependent Claim
58 words
The method of claim 39 , further comprising the step of attaching a service area flag to each routing area identifier, said service area flag is enabled when the mobile station is roaming outside a service area including at least one of the routing areas controlled by the second switching center that assigned a temporary logical link identity.
Claim 45
Dependent Claim
65 words
The method of claim 41 , further comprising the step of combining the temporary logical link identity to one of the at least one combination identifiers or said combination number when the service area flag is enabled, where said one combination identifier and said one combination number corresponds with the location area and the routing area where the mobile station performed its prior routing update.
Claim 46
Dependent Claim
45 words
The method of claim 39 , further comprising the step of routing information between the first switching center and another first switching center when the mobile station is roaming in one of the location areas overlapping a location area of said another first switching center.
Claim 47
Dependent Claim
34 words
The method of claim 43 , further comprising the step of originating a call from the mobile station by way of said another first switching center using the information from the first switching center.
Claim 48
Dependent Claim
45 words
The method of claim 39 , further comprising the step of routing information between the second switching center and another second switching center when the mobile terminal is roaming in one of the routing areas overlapping a routing area of said another second switching center.
Claim 49
Dependent Claim
35 words
The method of claim 45 , further comprising the step of originating packet data transfers from the mobile station by way of said another second switching center using the information from the second switching center.
Claim 50
Dependent Claim
64 words
The method of claim 39 , further comprising the steps of interfacing the first switching center and the second switching center, and informing the second switching center as to which one of the location area identifiers is currently used by the first switching center when the second switching center performs a coordinated routing update assigning one of the at least one routing area identifier.
Claim 51
Dependent Claim
58 words
The method of claim 39 , further comprising the step of storing a preferred location area for each cell as configuration data in the first switching center and the second switching center, said preferred location area used by the second switching center when performing an uncoordinated routing update assigning one of the at least one routing area identifier.
Claim 52
Dependent Claim
20 words
The method of claim 39 , further comprising the step of initiating a coordinated routing update including a location update.
Claim 53
Dependent Claim
61 words
The method of claim 49 , further comprising the step of classifying said routing update into a real routing update and a virtual routing update, said real routing update used when the mobile terminal roamed into another one of the routing areas, and said virtual routing update used when the mobile terminal roamed where only the routing area identifier has changed.
Claim 54
Dependent Claim
30 words
The method of claim 37 , wherein said step of generating further includes broadcasting a combined location code representative of the at least one location area accommodated by said cell.
Claim 55
Dependent Claim
37 words
The method of claim 37 , wherein said step of broadcasting further includes classifying the combined location code to include at least one location code for differentiating any one of the locations areas from neighboring location areas.
Claim 56
Dependent Claim
36 words
The method of claim 51 , further comprising the steps of receiving the broadcast combined location code and detecting a transition from one to another of the at least one location area using a mobile station.
Claim 57
Dependent Claim
48 words
The method of claim 53 , further comprising the step of appending a temporary mobile subscriber identity to one of the at least one location code, where said one location code corresponds with the location area where the temporary mobile subscriber identity was assigned to the mobile station.
Claim 58
Dependent Claim
48 words
The method of claim 53 , further comprising the step of initiating a location update with the first switching center using one of the at least one first location area identifier upon the detected transition from the one to the another of the at least one location area.
Claim 59
Dependent Claim
35 words
The method of claim 55 , further comprising the step of triggering the location update upon expiration of a predetermined amount of time during which the mobile station did not receive the combined location code.
Claim 60
Dependent Claim
30 words
The method of claim 37 , wherein the step of generating further includes transmitting a combined routing code representative of the at least one routing area accommodated by said cell.
Claim 61
Dependent Claim
37 words
The method of claim 37 , wherein said step of broadcasting further including defining the combined routing code to include at least one routing code for differentiating any one of the routing areas from neighboring routing areas.
Claim 62
Dependent Claim
40 words
The method of claim 57 , further comprising the steps of receiving at a mobile station the broadcast combined routing code and detecting at the mobile station a transition from one to another of the at least one routing area.
Claim 63
Dependent Claim
45 words
The method of claim 59 , further comprising the step of combining a temporary logical link identity to one of the at least one routing code, where said one routing code corresponds with the routing area where the mobile station performed its prior routing update.
Claim 64
Dependent Claim
47 words
The method of claim 59 , further comprising the step of initiating a routing update with the second switching center using one of the at least one routing area identifier upon the detected transition from the one to the another of the at least one routing area.
Claim 65
Dependent Claim
35 words
The method of claim 61 , further comprising the step of triggering the routing update upon expiration of a predetermined amount of time during which the mobile station did not receive the combined routing code.
Claim 66
Dependent Claim
43 words
The method of claim 37 , further comprising the step of incorporating another second switching center including a second plurality of routing areas having a service area adjacent to a service area of the plurality of routing areas of the second switching center.
Claim 67
Dependent Claim
146 words
A mobile telecommunications network comprising: a service switching center; a service support node; a controller, coupled to said service switching center and said service support node, for managing at least one location area and at least one routing area, said at least one location area and said at least one routing area are further controlled by said service switching center and said service support node, respectively; a plurality of cells, each of said plurality of cells accommodating said at least one location area and said at least one routing area; and an identification system for identifying at least one combination identifier representative of at least one location area identifier associated with said at least one location area and at least one routing area identifier associated with said at least one routing area, each of said at least one combination identifier being assigned a respective combination number.
Claim 68
Dependent Claim
146 words
A mobile telecommunications network comprising: a service switching center; a service support node; a controller, coupled to said service switching center and said service support node, for managing at least one location area and at least one routing area, said at least one location area and said at least one routing area are further controlled by said service switching center and said service support node, respectively; a plurality of cells, each of said plurality of cells accommodating said at least one location area and said at least one routing area; and an identification system for identifying at least one combination identifier representative of at least one location area identifier associated with said at least one location area and at least one routing area identifier associated with said at least one routing area, each of said at least one combination identifier being assigned a respective combination number.
Claim 69
Dependent Claim
58 words
The mobile telecommunications network of claim 64 , wherein said identification system further includes at least one transceiver station controlled by said controller, each of said at least one transceiver station is located in each of said plurality of cells and operable to broadcast said combination number associated with said each of said at least one combination identifier.
Claim 70
Dependent Claim
59 words
The mobile telecommunications network of claim 64 , wherein said identification system further includes at least one transceiver station controlled by said controller, each of said at least one transceiver station is located in each of said plurality of cells and operable to broadcast said at least one location area identifier and said at least one routing area identifier.
Claim 71
Dependent Claim
24 words
The mobile telecommunications network of claim 66 , wherein each of said at least one location area identifier is further assigned a location number.
Claim 72
Dependent Claim
67 words
The mobile telecommunications network of claim 67 , further comprising a mobile station for generating said location number and said at least one combination identifier in response to receiving said at least one location area identifier and said at least one routing area identifier broadcast from said at least one transceiver station in a cell within said plurality of cells where said mobile station is currently located.
Claim 73
Dependent Claim
62 words
The mobile telecommunications network of claim 68 , further comprising means for appending a temporary mobile subscriber identity to said at least one location area identifier or to the assigned location number, where said at least one location area identifier and said assigned location number corresponds with the location area where the temporary mobile subscriber identity was assigned to said mobile station.
Claim 74
Dependent Claim
63 words
The mobile telecommunications network of claim 69 , further comprising means for attaching a service area flag to each routing area identifier, said service area flag is enabled when said mobile station is roaming outside a service area, wherein said service area includes at least one of the routing areas controlled by said service support node that assigned a temporary logical link identity.
Claim 75
Dependent Claim
78 words
The mobile telecommunications network of claim 70 , further comprising means for combining said temporary logical link identity to one of said at least one combination identifier or the assigned combination number when said service area flag is enabled, where said at least one combination identifier and said assigned combination number corresponds with said at least one location area and said at least one routing area where said temporary logical link identity was assigned to said mobile station.
Claim 76
Dependent Claim
52 words
The mobile telecommunications network of claim 68 , further comprising means for routing information between said service switching center and another service switching center when said mobile station is roaming in said at least one location area of said service switching center overlapping a location area of said another service switching center.
Claim 77
Dependent Claim
33 words
The mobile telecommunications network of claim 72 , wherein said mobile station further includes means for originating a call by said another service switching center using the information from said service switching center.
Claim 78
Dependent Claim
52 words
The mobile telecommunications network of claim 68 , further comprising means for routing information between said service support node and another service support node when said mobile station is roaming in said at least one location area of said service support node overlapping a location area of said another service support node.
Claim 79
Dependent Claim
34 words
The mobile telecommunications network of claim 74 , wherein said mobile station further includes means for originating packet data transfers by said another service support node using the information from said service support node.
Claim 80
Dependent Claim
71 words
The mobile telecommunications network of claim 68 , further comprising an interface between said service switching center and said service support node, said service support node is informed via said interface as to which one of said at least one location area identifiers is currently used by said service switching center when said service support node performs a coordinated routing update assigning one of said at least one routing area identifier.
Claim 81
Dependent Claim
59 words
The mobile telecommunications network of claim 68 , wherein each of said plurality of cells include preferred location area stored as configuration data in said service switching center and said service support node, said preferred location area used by said service support node when performing an uncoordinated routing update assigning one of said at least one routing area identifier.
Claim 82
Dependent Claim
25 words
The mobile telecommunications network of claim 68 , wherein said mobile station further includes means for initiating a coordinated routing update including a location update.
Claim 83
Dependent Claim
71 words
The mobile telecommunications network of claim 78 , wherein said routing update further includes a real routing update and a virtual routing update, said real routing update is used when said mobile station is roaming in said at least one routing area within said service support node, and said virtual routing update is used when said mobile station is roaming in said routing area where said routing area identifier has changed.
Claim 84
Dependent Claim
46 words
The mobile telecommunications network of claim 64 , further comprising another service support node including at least one routing area, said another service support node having a service area adjacent to a service area of said at least one routing area of said service support node.
Claim 85
Dependent Claim
20 words
The mobile telecommunications network of claim 64 , wherein said service switching center further comprises a mobile service switching center.
Claim 86
Dependent Claim
23 words
The mobile telecommunications network of claim 64 , wherein said service support node further comprises a serving general packet radio service support node.
Claim 87
Dependent Claim
27 words
The mobile telecommunications network of claim 64 , wherein said controller is selected from the group consisting of a base station controller and a radio network controller.
Claim 88
Dependent Claim
70 words
The mobile telecommunications network of claim 64 , wherein said at least one transceiver station includes means for broadcasting a combined location code representative of said at least one location area accommodated by each of said plurality of cells, said at least one transceiver station further includes means for broadcasting a combined routing code representative of said at least one routing area accommodated by each of said plurality of cells.
Claim 89
Dependent Claim
42 words
The mobile telecommunications network of claim 84 , further comprising a mobile station for generating said location number and said combination number and for detecting a transition from a location area within said at least one location area and another location area.
Claim 90
Dependent Claim
51 words
The mobile telecommunications network of claim 85 , wherein said mobile station further includes a timer for triggering a location update or a routing update upon expiration of a predetermined amount of time during which said mobile station did not receive said combined location code or said combined routing code, respectively.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2004-08-13 | 2005-02-12 | 2005-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2008-08-13 | 2009-02-12 | 2009-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2012-08-13 | 2013-02-12 | 2013-08-14 | $7700.00 | Window Closed / Lapsed |