Service management in cellular networks

• US 20040032828A1
• Filed: 08/16/2002
• Published: 02/19/2004
• Est. Priority Date: 08/16/2002
• Status: Abandoned Application

• Current Assignee: CellGlide Ltd.
• Original Assignee: Cellglide Technologies Corp.
• Inventors: Zelikovsky, Haim, Satt, Aharon, Langer, Liron, Daniel, Yoaz
• Application Number:
  US10/222,487
• Publication Number:
  US 20040032828A1
• Time in Patent Office: Days
• US Class Current: 370/230
• CPC Class Codes: H04L 47/10 Flow control; Congestion control
• CPC Class Codes: H04L 47/11 Identifying congestion
• CPC Class Codes: H04L 47/2425 for supporting services specification, e.g. SLA
• CPC Class Codes: H04L 47/2458 Modification of priorities while in transit
• CPC Class Codes: H04L 47/283 in response to processing delays, e.g. caused by jitter or round trip time [RTT]
• CPC Class Codes: H04L 47/32 by discarding or delaying data units, e.g. packets or frames
• CPC Class Codes: H04L 47/762 triggered by the network
• CPC Class Codes: H04L 47/805 QOS or priority aware
• CPC Class Codes: H04L 47/824 Applicable to portable or mobile terminals
• CPC Class Codes: H04L 47/83 based on usage prediction
• CPC Class Codes: H04W 28/0252 per individual bearer or channel dynamic wireless traffic scheduling H04W72/12
• CPC Class Codes: H04W 28/0284 detecting congestion or overload during communication monitoring arrangements H04L43/00
• CPC Class Codes: H04W 72/54 based on quality criteria
• CPC Class Codes: H04W 72/569 of the traffic information
• CPC Class Codes: H04W 8/04 Registration at HLR or HSS [Home Subscriber Server]

Abstract

There are disclosed methods (processes) and systems, for: 1. establishing and defining service classes and service plans; 2. monitoring and controlling parameters related to level of service for each service class; and 3. estimating the additional resources necessary to support excessive traffic demand. These methods and systems provide visibility into the network, enabling management of the network.

Claims

1. A method for monitoring and controlling data traffic in cellular networks, comprising:

establishing at least one service class;

continuously monitoring Quality of Service (QoS) parameters for said at least one service class; and

continuously controlling said QoS parameters for said at least one service class based on service level parameters.

2. The method of claim 1, wherein said monitoring said QoS parameters includes, continuously obtaining the capacity of said at least one cell.

3. The method of claim 2, wherein said continuously obtaining the capacity of said at least one cell includes, monitoring flow control signaling associated with said at least one cell.

4. The method of claim 2, wherein said continuously obtaining the capacity of said at least one cell includes:

estimating available resources based on said monitored flow control signaling associated with said at least one cell.

5. The method of claim 2, wherein said continuously obtaining the capacity of said at least one cell includes:

monitoring accumulated delay associated with said at least one service class.

6. The method of claim 5, wherein said continuously obtaining the capacity of said at least one cell includes:

estimating available resources based on said monitored accumulated delay associated with said at least one cell.

7. The method of claim 2, wherein said continuously obtaining the capacity of said at least one cell includes:

monitoring flow control signaling associated with said at least one cell; and

monitoring accumulated delay associated with said at least one service class.

8. The method of claim 7, wherein said continuously obtaining the capacity of said at least one cell includes:

estimating available resources based on said monitored flow control signaling associated with said at least one cell; and

on said monitored accumulated delay associated with said at least one cell.

9. The method of claim 1, wherein said establishing one service class includes, defining flow parameters.

10. The method of claim 1, additionally comprising:

establishing service plans.

11. The method of claim 1, wherein said QoS parameters for said at least one service class include at least one of blocking rate, dropping rate, rejection rate or termination rate.

12. The method of claim 1, wherein said service level parameters include absolute priorities and relative priorities.

13. The method of claim 1, wherein said service level parameters include target blocking and target dropping.

14. The method of claim 1, wherein said continuously controlling said QoS parameters for said at least one service class includes modifying resource allocation for said at least one service class.

15. The method of claim 14, wherein said modifying resource allocation includes modifying said service level parameters.

16. A server for monitoring and controlling data traffic in cellular networks, comprising:

a processor programmed to;

establish at least one service class;

continuously monitor Quality of Service (QoS) parameters for said at least one service class; and

continuously control said QoS parameters for said at least one service class based on service level parameters.

17. The server of claim 16, wherein said processor programmed to monitor said QoS parameters is additionally programmed to continuously obtaining the capacity of said at least one cell.

18. The server of claim 17, wherein said processor programmed to continuously obtaining the capacity of said at least one cell is additionally programmed to monitor flow control signaling associated with said at least one cell.

19. The server of claim 17, wherein said processor programmed to continuously obtaining the capacity of said at least one cell is additionally programmed to, estimate available resources based on said monitored flow control signaling associated with said at least one cell.

20. The server of claim 17, wherein said processor programmed to continuously obtaining the capacity of said at least one cell is additionally programmed to, monitor accumulated delay associated with said at least one service class.

21. The server of claim 20, wherein said processor programmed to obtain the capacity of said at least one cell is additionally programmed to:

estimate available resources based on said monitored accumulated delay associated with said at least one cell.

22. The server of claim 17, wherein said processor programmed to continuously obtaining the capacity of said at least one cell is additionally programmed to:

monitor flow control signaling associated with said at least one cell; and

monitor accumulated delay associated with said at least one service class.

23. The server of claim 22, wherein said processor programmed to obtain the capacity of said at least one cell is additionally programmed to:

estimate available resources based on said monitored flow control signaling associated with said at least one cell; and

on said monitored accumulated delay associated with said at least one cell.

24. The server of claim 16, wherein said processor is additionally programmed to:

establish service plans.

25. The server of claim 16, wherein said processor programmed to continuously control said QoS parameters for said at least one service class, is additionally programmed to:

modify resource allocations for said at least one service class.

26. The server of claim 25, wherein said processor programmed to modify resource allocation, is additionally programmed to modify said service level parameters.

27. A programmable storage device readable by a machine, tangibly embodying a program of instructions executable by a machine to perform method steps for controlling traffic in a data network, said method steps selectively executed during the time when said program of instructions is executed on said machine, comprising:

establishing at least one service class;

continuously monitoring Quality of Service (QoS) parameters for said at least one service class; and

continuously controlling said QoS parameters for said at least one service class based on service level parameters.

28. A method for network dimensioning, comprising:

establishing at least one service class;

continuously monitoring Quality of Service (QoS) parameters for said at least one service class; and

estimating resources required to accommodate excess demand.

29. The method of claim 28, wherein said continuously monitoring said QoS parameters includes, continuously obtaining the capacity of said at least one cell.

30. The method of claim 29, wherein said continuously obtaining the capacity of said at least one cell includes, monitoring flow control signaling associated with said at least one cell.

31. The method of claim 29, wherein said continuously obtaining the capacity of said at least one cell includes:

estimating available resources based on said monitored flow control signaling associated with said at least one cell.

32. The method of claim 29, wherein said continuously obtaining the capacity of said at least one cell includes:

monitoring accumulated delay associated with said at least one service class.

33. The method of claim 32, wherein said continuously obtaining the capacity of said at least one cell includes:

estimating available resources based on said monitored accumulated delay associated with said at least one cell.

34. The method of claim 29, wherein said continuously obtaining the capacity of said at least one cell includes:

monitoring flow control signaling associated with said at least one cell; and

monitoring accumulated delay associated with said at least one service class.

35. The method of claim 34, wherein said continuously obtaining the capacity of said at least one cell includes:

estimating available resources based on said monitored flow control signaling associated with said at least one cell; and

on said monitored accumulated delay associated with said at least one cell.

36. The method of claim 28, wherein said establishing one service class includes, defining flow parameters.

37. The method of claim 28, additionally comprising:

establishing service plans.

38. The method of claim 28, wherein said QoS parameters for said at least one service class include at least one of blocking rate, dropping rate, rejection rate or termination rate.

39. The method of claim 28, wherein said estimating resources required to accommodate excess demand includes calculating normalized demand and normalized cell resources.

40. The method of claim 28, wherein said accommodating excess demand includes accommodating all new flows, while satisfying per flow parameters.

41. The method of claim 28, wherein said accommodating excess demand includes accommodating new flows to satisfy service level parameters and per flow parameters.

42. The method of claim 41, wherein said service level parameters include target blocking and target dropping.

43. The method of claim 28, wherein said accommodating excess demand includes maintaining all flows, whereby none of said flows are dropped, while satisfying per flow parameters.

44. The method of claim 28, wherein said accommodating excess demand includes dropping flows while satisfying service level parameters and per flow parameters.

45. The method of claim 44, wherein said service level parameters include target blocking and target dropping.

46. A server for network dimensioning, comprising:

a processor programmed to;

establish at least one service class;

continuously monitor Quality of Service (QoS) parameters for said at least one service class; and

estimate resources required to accommodate excess demand.

47. The server of claim 46, wherein said processor programmed to continuously monitor said QoS parameters is additionally programmed to, continuously obtain the capacity of said at least one cell.

48. The server of claim 47, wherein said continuously obtaining the capacity of said at least one cell includes, monitoring flow control signaling associated with said at least one cell.

50. The server of claim 47, wherein said continuously obtaining the capacity of said at least one cell includes:

estimating available resources based on said monitored flow control signaling associated with said at least one cell.

51. The server of claim 47, wherein said continuously obtaining the capacity of said at least one cell includes:

monitoring accumulated delay associated with said at least one service class.

52. The server of claim 47, wherein said continuously obtaining the capacity of said at least one cell includes:

estimating available resources based on said monitored accumulated delay associated with said at least one cell.

53. The server of claim 47, wherein said continuously obtaining the capacity of said at least one cell includes:

monitoring flow control signaling associated with said at least one cell; and

monitoring accumulated delay associated with said at least one service class.

54. The server of claim 53, wherein said continuously obtaining the capacity of said at least one cell includes:

estimating available resources based on said monitored flow control signaling associated with said at least one cell; and

on said monitored accumulated delay associated with said at least one cell.

55. The server of claim 46, wherein said processor programmed to establish one service class, is additionally programmed to define flow parameters.

56. The server of claim 46, wherein said processor is additionally programmed to:

establish service plans.

57. The server of claim 46, wherein said processor programmed to estimate resources required to accommodate excess demand is additionally programmed to calculate normalized demand and normalized cell resources.

58. A programmable storage device readable by a machine, tangibly embodying a program of instructions executable by a machine to perform method steps for controlling traffic in a data network, said method steps selectively executed during the time when said program of instructions is executed on said machine, comprising:

establishing at least one service class;

continuously monitoring Quality of Service (QoS) parameters for said at least one service class; and

estimating resources required to accommodate excess demand.