METHOD AND SYSTEM FOR ASSESSING WIRELESS COMMUNICATION QUALITY IN A COMMUNICATIONS NETWORK

• US 20090005119A1
• Filed: 06/26/2007
• Published: 01/01/2009
• Est. Priority Date: 06/26/2007
• Status: Active Grant

• Current Assignee: Alcatel-Lucent USA, Inc. (Nokia Corporation)
• Original Assignee: Lucent Technologies, Inc. (Nokia Corporation)
• Inventors: Refaqat, Omar S., Patel, Yogesh C.
• Granted Patent: US 7,817,964 B2
• Time in Patent Office: Days
• US Class Current: 455/562.100
• CPC Class Codes: H04W 24/02 Arrangements for optimising operational condition
• CPC Class Codes: H04W 24/10 Scheduling measurement reports ; Arrangements for measurement reports

Abstract

Methods and systems are presented for assessing wireless communication quality in a communications network, in which a network application broadcasts reporting criteria to base stations in the network that requests reporting of RF signal strength from powered RF devices, and the base stations send messages to RF devices to request the RF devices to RF quality information according to the reporting criteria. The base station sends reported RF quality information to the network application, which processes the reported information to provide an assessment of RF network quality for all or a subset of the RF coverage areas served by the network.

Claims

1. A method for assessing wireless communication quality in a communications network having a plurality of networked switching systems and base stations for providing wireless communications services to wireless RF devices, the method comprising:

broadcasting, by a network application to base stations in the network, reporting criteria requesting reporting of RF signal strength from powered RF devices in the communications network;

sending, from at least one base station to powered RF devices in the network, a message requesting RF devices in an area served by the at least one base station to report RF quality information to the at least one base station according to the reporting criteria;

receiving, at the at least one base station from one or more reporting RF devices, RF quality information including RF signal strength measured by the reporting RF devices;

receiving at the network application from the at least one base station, reported RF quality information from reporting RF devices; and

processing the reported RF quality information for a plurality of locations served by the network to provide an assessment of RF network quality for all or a subset of the RF coverage areas served by the network.

2. The method of claim 1, wherein the reported RF quality information includes the location of the reporting RF devices, and wherein the RF quality information received by the at least one base station includes the location of the reporting RF devices.

3. The method of claim 1, wherein the reported RF quality information includes the location of the reporting RF devices, and wherein the network performs triangulation to determine the location of the reporting RF devices.

4. The method of claim 1, wherein broadcasting the reporting criteria includes specifying cells and sectors of the network for which reports are to be requested.

5. The method of claim 1, wherein broadcasting the reporting criteria includes specifying one or more mobile ID numbers for RF devices from which reports are to be requested.

6. The method of claim 1, wherein broadcasting the reporting criteria includes specifying one or more frequencies for which reports are to be requested.

7. The method of claim 1, wherein broadcasting the reporting criteria includes specifying one or more bandclasses for which reports are to be requested.

8. The method of claim 1, wherein broadcasting the reporting criteria includes specifying a single report or periodic reports.

9. The method of claim 1, wherein the assessment includes a plot showing RF network quality for a plurality of locations served by the network.

10. The method of claim 1, further comprising the network application selectively adjusting the reporting criteria according to the assessment and broadcasting the adjusted reporting criteria to base stations in the network to request adjusted reporting of RF signal strength from powered RF devices in the communications network.

11. The method of claim 1, further comprising selectively adjusting system parameters impacting RF performance according to the assessment.

12. The method of claim 1, wherein the network application broadcasts the reporting criteria to the RF devices using at least one short message and wherein the reporting RF devices send the RF quality information using short messages.

13. A wireless communications network, comprising:

a plurality of switching systems operatively associated with one or more base stations for providing communications services to wireless RF devices;

a network application operatively coupled with the switching systems, the application broadcasting reporting criteria to base stations in the network via the associated switching systems, the reporting criteria specifying immediate or periodic reporting of RF signal strength from powered RF devices;

wherein at least one of the base stations sends a message to powered RF devices requesting RF devices in an area served by the at least one base station to report RF quality information to the at least one base station according to the reporting criteria, and receives RF quality information from one or more reporting RF devices, wherein the at least one base station sends reported RF quality information to the network application via the associated switching system, and wherein the network application processes the reported RF quality information for a plurality of locations served by the network to provide an assessment of RF network quality for all or a subset of the RF coverage areas served by the network.

14. The network of claim 13, wherein the network application selectively adjusts the reporting criteria according to the assessment and broadcasts the adjusted reporting criteria to base stations in the network to request adjusted reporting of RF signal strength from powered RF devices in the communications network.

15. The network of claim 13, wherein the reported RF quality information includes the location of the reporting RF devices, and wherein the network performs triangulation to determine the location of the reporting RF devices.

16. The network of claim 13, wherein the reporting criteria specifies cells and sectors of the network for which reports are to be requested.

17. The network of claim 13, wherein the reporting criteria specifies one or more mobile ID numbers for RF devices from which reports are to be requested.

18. The network of claim 13, wherein the reporting criteria specifies one or more frequencies for which reports are to be requested.

19. The network of claim 13, wherein the reporting criteria specifies one or more bandclasses for which reports are to be requested.

20. The network of claim 13, wherein the reporting criteria specifies a single report or periodic reports.

21. The network of claim 13, wherein the assessment includes a plot showing RF network quality for a plurality of locations served by the network.

22. The network of claim 13, wherein the network application selectively adjusts system parameters impacting RF performance according to the assessment.

23. The network of claim 13, wherein the network application broadcasts the reporting criteria to the RF devices using at least one short message and wherein the reporting RF devices send the RF quality information using short messages.