Dynamic fault analysis for a centrally managed network element in a telecommunications system

• US 8,498,635 B2
• Filed: 04/07/2009
• Issued: 07/30/2013
• Est. Priority Date: 04/08/2008
• Status: Expired due to Fees

• Current Assignee: Tieto Oyj
• Original Assignee: Tieto Oyj
• Inventors: Vestin, Magnus, Stenberg, Kristina, Lundmark, Torbjrn
• Primary Examiner(s): Nguyen, David Q
• Application Number:
  US12/936,885
• Publication Number:
  US 20110099428A1
• Time in Patent Office: 1,575 Days
• Field of Search: 455/423, 455/67.1, 370/242, 370/252, 370/250
• US Class Current: 455/423
• CPC Class Codes: H04Q 3/0075 Fault management techniques

Abstract

Model based fault analysing in a base station in a mobile telecommunication system, the base station having a fault manager and resources adapted to transmit fault indication signals to the fault manager. The fault analysing including functions for receiving into the fault manager a predetermined fault rule model of said resources in a fault rule configuration file; implementing a fault analysis algorithm of predetermined rules for analysing received fault indication signals dependent on said predetermined fault rule model; generating an analysis tree data structure dependent on the fault rule configuration file; receiving from one of said resources a fault indication signal indicating identification and classification information; retrieving an applicable fault rule in the analysis tree data structure dependent on said fault indication signal; evaluating the result of the retrieved fault rule applied on said fault indication signal; generating an alarm signal dependent on said result of the applied fault rule.

Claims

1. A method of analyzing faults based on models, the method performed at a base station in a mobile telecommunication system, the base station having data processing means adapted to control activities of the base station;

the data processing means having a fault manager and a plurality of functional resources adapted to transmit fault indication signals to the fault manager, the method comprising the steps of;

receiving at the fault manager a predetermined fault rule model of said functional resources in a fault rule configuration file;

implementing a fault analysis algorithm of predetermined rules for analyzing received fault indication signals dependent on said predetermined fault rule model;

generating an analysis tree data structure dependent on the fault rule configuration file;

receiving from one of said functional resources a fault indication signal comprising identification and classification information;

retrieving an applicable fault rule in the analysis tree data structure dependent on said fault indication signal;

evaluating the result of the retrieved fault rule applied on said fault indication signal; and

generating an alarm signal dependent on said result of the applied fault rule.

2. The method of claim 1, wherein the fault rule configuration file is loaded for generating said analysis tree when initiating the fault manager.

3. The method of claim 1, wherein the fault rule configuration file is loaded for generating said analysis tree in response to a load control signal.

4. The method of claim 1, further comprising the steps of:

checking an update parameter devised for indicating an updated fault configuration file; and

in response to said update parameter indicating the presence of an updated fault configuration file, loading an updated fault rule configuration file and generating an updated analysis tree data structure.

5. A base station in a mobile telecommunication system, the base station having data processing means adapted to control activities of the base station, the data processing means having a fault manager and a plurality of functional resources adapted to transmit fault indication signals to the fault manager;

the base station comprising;

means for receiving at the fault manager a predetermined fault rule model of said functional resources in a fault rule configuration file;

means for implementing a fault analysis algorithm of predetermined rules for analyzing received fault indication signals dependent on said predetermined fault rule model;

means for generating an analysis tree data structure dependent on the fault rule configuration file;

means for receiving from one of said functional resources a fault indication signal comprising identification and classification information;

means for retrieving an applicable fault rule in the analysis tree data structure dependent on said fault indication signal;

means for evaluating the result of the retrieved fault rule applied on said fault indication signal; and

means for generating an alarm signal dependent on said result of the applied fault rule.

6. The base station claim 5, further comprising means for loading the fault rule configuration file for generating said analysis tree when initiating the fault manager function code.

7. The base station claim 5, further comprising means for loading the fault rule configuration file for generating said analysis tree in response to a load control signal.

8. The base station claim 5, further comprising:

means for checking an update parameter devised for indicating an updated fault configuration file; and

in response to said update parameter indicating the presence of an updated fault configuration file, loading an updated fault rule configuration file and generating an updated analysis tree data structure.

9. A non-transitory computer readable medium having computer instructions recorded thereon, the computer instructions configured to perform a method of analyzing faults based on models when executed on a computer of a base station in a mobile telecommunication system, the base station having data processing means adapted to control activities of the base station, the data processing means having a fault manager and a plurality of functional resources adapted to transmit fault indication signals to the fault manager, the method comprising:

receiving at the fault manager a predetermined fault rule model of said functional resources in a fault rule configuration file;

implementing a fault analysis algorithm of predetermined rules for analyzing received fault indication signals dependent on said predetermined fault rule model;

generating an analysis tree data structure dependent on the fault rule configuration file;

receiving from one of said functional resources a fault indication signal comprising identification and classification information;

retrieving an applicable fault rule in the analysis tree data structure dependent on said fault indication signal;

evaluating the result of the retrieved fault rule applied on said fault indication signal; and

generating an alarm signal dependent on said result of the applied fault rule.

10. The non-transitory computer readable medium of claim 9, further comprising computer program code portions for:

loading the fault rule configuration file for generating said analysis tree when initiating the fault manager function code.

11. The non-transitory computer readable medium of claim 9, said method further comprising:

loading the fault rule configuration file for generating said analysis tree in response to a load control signal.

12. The non-transitory computer readable medium of claim 9, said method further comprising:

checking an update parameter devised for indicating an updated fault configuration file; and

in response to said update parameter indicating the presence of an updated fault configuration file, loading an updated fault rule configuration file and generating an updated analysis tree data structure.