Method and system for automatically identifying wireless signal quality of a region

• US 8,559,972 B2
• Filed: 04/26/2011
• Issued: 10/15/2013
• Est. Priority Date: 06/26/2007
• Status: Active Grant

• Current Assignee: Cisco Technology, Inc. (Cisco Systems, Inc.)
• Original Assignee: Cisco Technology, Inc. (Cisco Systems, Inc.)
• Inventors: Shaffer, Shmuel, Patel, Labhesh
• Primary Examiner(s): GONZALES, APRIL GUZMAN
• Application Number:
  US13/094,157
• Publication Number:
  US 20110195680A1
• Time in Patent Office: 903 Days
• Field of Search: 455/11.1, 455/423, 455/440, 455/445, 455/450, 455/456.1, 455/456.2, 455/67.11, 455/67.14, 455/67.13, 455/115.3, 342/450, 342/458, 701/117, 701/223, 340/572.1
• US Class Current: 455/456.1
• CPC Class Codes: G01C 21/20 Instruments for performing navigational calculations G01C21/24, G01C21/26 take precedence
• CPC Class Codes: G01C 21/3461 Preferred or disfavoured areas, e.g. dangerous zones, toll or emission zones, intersections, manoeuvre types, segments such as motorways, toll roads, ferries
• CPC Class Codes: H04W 24/06 Testing, supervising or monitoring using simulated traffic
• CPC Class Codes: H04W 24/08 Testing, supervising or monitoring using real traffic
• CPC Class Codes: H04W 64/006 with additional information processing, e.g. for direction or speed determination

Abstract

A method for automatically identifying wireless signal quality of a region includes receiving signal quality information associated with wireless signals received by each of a plurality of mobile endpoints and receiving location information identifying locations of each of the plurality of mobile endpoints. The method also includes, based on the received signal quality information and the received location information, identifying a first region of an area, the first region having a first signal quality.

Claims

1. A method executable on one or more processors, comprising:

receiving signal quality information associated with wireless signals received by each of a plurality of mobile endpoints;

receiving location information identifying locations of each of the plurality of mobile endpoints;

based on the received location information, determining a first region of an area;

the first region of the area determined to have a first signal quality based on the signal quality information associated with the wireless signals received by each of the plurality of mobile endpoints;

based on the received location information, determining a second region of the area; and

the second region of the area determined to have a second signal quality based on the signal quality information associated with the wireless signals received by each of the plurality of mobile endpoints.

2. The method of claim 1, wherein the received signal quality information associated with the wireless signals received by each of the plurality of mobile endpoints comprises voice quality information.

3. The method of claim 1, wherein receiving signal quality information associated with wireless signals received by each of a plurality of mobile endpoints comprises receiving from at least a first mobile endpoint of the plurality of mobile endpoints an indication that the wireless signal received by the at least first mobile endpoint changed at a boundary between the first region having the first signal quality and the second region having the second signal quality.

4. The method of claim 1, wherein the second signal quality is higher than the first signal quality.

5. The method of claim 1, further comprising, based on the received signal quality information and the received location information, identifying a third region of the area, the third region having the first signal quality.

6. The method of claim 1, further comprising:

based on the received signal quality information and the received location information;

identifying a first one or more regions of the area, the first one or more regions each having the first signal quality; and

identifying a second one or more regions of the area, the second one or more regions each having a second signal quality; and

based on the identification of the first one or more regions and the second one or more regions, creating a map to identify regions of different signal qualities.

7. The method of claim 1, further comprising monitoring mobile endpoint jitter buffers to determine the signal quality information associated with wireless signals received by each of the plurality of mobile endpoints.

8. The method of claim 1, further comprising identifying packet loss to determine the signal quality information associated with wireless signals received by each of the plurality of mobile endpoints.

9. The method of claim 1, wherein determining the first region of the area comprises determining a boundary representing locations at which a threshold signal quality is crossed.

10. The method of claim 1, wherein receiving signal quality information associated with wireless signals received by each of a plurality of mobile endpoints comprises receiving notifications from the plurality of mobile endpoints that the endpoints are losing keep alive signals with one or more base stations.

11. The method of claim 1, further comprising transmitting a notification that the first region having the first signal quality has been identified.

12. A system, comprising:

an interface operable to;

receive signal quality information associated with wireless signals received by each of a plurality of mobile endpoints;

receive location information identifying locations of each of the plurality of mobile endpoints; and

a processor coupled to the interface and operable to;

based on the received location information, determine a first region of an area;

the first region of the area determined to have a first signal quality based on the signal quality information associated with the wireless signals received by each of the plurality of mobile endpoints;

based on the received location information, determine a second region of the area and

the second region of the area determined to have a second signal quality based on the signal quality information associated with the wireless signals received by each of the plurality of mobile endpoints.

13. The system of claim 12, wherein the received signal quality information associated with the wireless signals received by each of the plurality of mobile endpoints comprises voice quality information.

14. The system claim 12, wherein a processor operable to receive signal quality information associated with wireless signals received by each of a plurality of mobile endpoints comprises the processor operable to receive from at least a first mobile endpoint of the plurality of mobile endpoints an indication that the wireless signal received by the at least first mobile endpoint changed at a boundary between the first region having the first signal quality and the second region having the second signal quality.

15. The system of claim 12, wherein the second signal quality is higher than the first signal quality.

16. The system of claim 12, wherein the processor is further operable to, based on the received signal quality information and the received location information, identify a third region of the area, the third region having the first signal quality.

17. The system of claim 12, wherein the processor is further operable to:

based on the received signal quality information and the received location information;

identify a first one or more regions of the area, the first one or more regions each having the first signal quality; and

identify a second one or more regions of the area, the second one or more regions each having a second signal quality; and

based on the identification of the first one or more regions and the second one or more regions, create a map to identify regions of different signal qualities.

18. The system of claim 12, wherein the processor is further operable to monitor mobile endpoint jitter buffers to determine the signal quality information associated with wireless signals received by each of the plurality of mobile endpoints.

19. The system of claim 12, wherein the processor is further operable to identify packet loss to determine the signal quality information associated with wireless signals received by each of the plurality of mobile endpoints.

20. The system of claim 12, a processor operable to determine the first region of the area comprises a processor operable to determine a boundary representing locations at which a threshold signal quality is crossed.

21. The system of claim 12, the interface operable to receive signal quality information associated with wireless signals received by each of a plurality of mobile endpoints comprises an interface operable to receive notifications from the plurality of mobile endpoints that the endpoints are losing keep alive signals with one or more base stations.

22. The system of claim 12, wherein the processor is further operable to transmit a notification that the first region having the first signal quality has been identified.

23. Logic embodied in a non-transitory computer readable medium, the computer readable medium comprising code operable to:

receive signal quality information associated with wireless signals received by each of a plurality of mobile endpoints;

receive location information identifying locations of each of the plurality of mobile endpoints;

based on the received location information, determine a first region of an area;

the first region of the area determined to have a first signal quality based on the signal quality information associated with the wireless signals received by each of the plurality of mobile endpoints;

based on the received location information, determine a second region of the area; and

the second region of the area determined to have a second signal quality based on the signal quality information associated with the wireless signals received by each of the plurality of mobile endpoints.

24. The medium of claim 23, wherein the received signal quality information associated with the wireless signals received by each of the plurality of mobile endpoints comprises voice quality information.

25. The medium of claim 23, wherein code operable to receive signal quality information associated with wireless signals received by each of a plurality of mobile endpoints comprises code operable to receive from at least a first mobile endpoint of the plurality of mobile endpoints an indication that the wireless signal received by the at least first mobile endpoint changed at a boundary between the first region having the first signal quality and the second region having the second signal quality.

26. The medium of claim 23, wherein the second signal quality is higher than the first signal quality.

27. The medium of claim 23, wherein the code is further operable to, based on the received signal quality information and the received location information, identify a third region of the area, the third region having the first signal quality.

28. The medium of claim 23, wherein the code is further operable to:

based on the received signal quality information and the received location information;

identify a first one or more regions of the area, the first one or more regions each having the first signal quality; and

identify a second one or more regions of the area, the second one or more regions each having a second signal quality; and

based on the identification of the first one or more regions and the second one or more regions, create a map to identify regions of different signal qualities.

29. The medium of claim 23, wherein the code is further operable to monitor mobile endpoint jitter buffers to determine the signal quality information associated with wireless signals received by each of the plurality of mobile endpoints.

30. The medium of claim 23, wherein the code is further operable to identify packet loss to determine the signal quality information associated with wireless signals received by each of the plurality of mobile endpoints.

31. The medium of claim 23, wherein code operable to determine the first region of the area comprises code operable to determine a boundary representing locations at which a threshold signal quality is crossed.

32. The medium of claim 23, wherein code operable to receive signal quality information associated with wireless signals received by each of a plurality of mobile endpoints comprises code operable to receive notifications from the plurality of mobile endpoints that the endpoints are losing keep alive signals with one or more base stations.

33. The medium of claim 23, wherein the code is further operable to transmit a notification that the first region having the first signal quality has been identified.

34. A system, comprising:

means for receiving signal quality information associated with wireless signals received by each of a plurality of mobile endpoints;

means for receiving location information identifying locations of each of the plurality of mobile endpoints;

means for, based on the received location information, determining a first region of an area;

the first region of the area determined to have a first signal quality based on the signal quality information associated with the wireless signals received by each of the plurality of mobile endpoints;

means for, based on the received location information, determining a second region of the area; and

the second region of the area determined to have a second signal quality based on the signal quality information associated with the wireless signals received by each of the plurality of mobile endpoints.