Network diagnostic system for analyzing performance of a radio network during functional over-the-air operation

• US 9,743,302 B2
• Filed: 07/27/2016
• Issued: 08/22/2017
• Est. Priority Date: 05/12/2011
• Status: Active Grant

• Current Assignee: Locus Location Systems, LLC
• Original Assignee: Locus Location Systems, LLC
• Inventors: McCarthy, John, Mitchell, Robert, Rey, Joseph
• Primary Examiner(s): Lai, Daniel
• Application Number:
  US15/221,268
• Publication Number:
  US 20160337890A1
• Time in Patent Office: 391 Days
• Field of Search: None
• CPC Class Codes: H04B 17/17 Detection of non-compliance or faulty performance, e.g. response deviations H04B17/18 takes precedence
• CPC Class Codes: H04B 17/18 Monitoring during normal operation
• CPC Class Codes: H04B 17/23 Indication means, e.g. displays, alarms, audible means
• CPC Class Codes: H04B 17/27 for locating or positioning the transmitter
• CPC Class Codes: H04B 17/309 Measuring or estimating channel quality parameters
• CPC Class Codes: H04B 17/318 Received signal strength
• CPC Class Codes: H04B 17/336 Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
• CPC Class Codes: H04W 24/08 Testing, supervising or monitoring using real traffic
• CPC Class Codes: H04W 64/00 Locating users or terminals or network equipment for network management purposes, e.g. mobility management

Abstract

An apparatus determining network health in a network comprising base station transceivers in bidirectional communication with radios, each having an identifier and transmitting a signal including the identifier. First and second devices each receive the transmitted signal during normal over-the-air operation of the radio, measure signal parameters, and determine operating characteristics of the radio from the parameters. Each of the devices produce a responsive received signal when the first operating characteristics determined by the first device indicate a healthy first radio and the second device produces a responsive received signal when the second operating characteristics determined by the second device indicate a healthy first radio. The devices determine respective signal parameters of the respective received signals. The received signals are time aligned to insure that the devices have determined the respective signal parameters of the same transmitted signal. Network health is indicated by the first and second operating characteristics.

Claims

1. A communications network health-determining apparatus, the network comprising a plurality of network base station transceivers distributed over a geographic area and in bidirectional communication with radios operating in the network, each radio having a respective radio identifier and transmitting a signal including the respective radio identifier, the apparatus comprising:

health determining devices;

configured to receive the signal during normal over-the-air operation of one of the radios; and

configured to determine if the signal received by the one radio was transmitted from an authorized one of the radios; and

when a health determining device determines that the signal is from an authorized radio;

the health determining device measures signal parameters of the signal;

the health determining device determines operating characteristics of the authorized radio from the measured signal parameters; and

the health determining device determines a current location of the authorized radio within the geographic area;

a master controller communicatively coupled to the health determining devices;

a first of the health determining devices;

configured to analyze the operating characteristics of the authorized radio and determining if the authorized radio is healthy by at least one of;

packet sniffing a received signal from the authorized radio and determining if the authorized radio is compliant with a packet/signal specification structure;

determining a frequency deviation of the signal from the authorized radio; and

determining a range of frequency deviations of the signal from the authorized radio over time; and

configured to send a first analysis result of the authorized radio to the master controller;

a second of the health determining devices;

configured to analyze the operating characteristics of the authorized radio and determining if the authorized radio is healthy by at least one of;

packet sniffing a received signal from the authorized radio and determining if the authorized radio is compliant with a packet/signal specification structure;

determining a frequency deviation of the signal from the authorized radio; and

determining a range of frequency deviations of the signal from the authorized radio over time; and

configured to send a second analysis result of the authorized radio to the master controller; and

after both the first and second analysis results sent to the master controller indicate that the authorized radio is healthy, the master controller determines from the first and second analysis results that a geographically unhealthy location of the network exists within the geographic area at the current location of the authorized healthy radio.

2. The apparatus according to claim 1, wherein the authorized radio in bidirectional communication with at least one of the first and second health determining devices receives the determination from at least one of the first and second health determining devices that the authorized radio is healthy.

3. The apparatus according to claim 1, wherein the authorized radio in bidirectional communication with at least one of the first and second health determining devices receives the determination from at least one of the first and second health determining devices that the authorized radio is not healthy.

4. The apparatus according to claim 3, wherein the authorized radio in bidirectional communication receives a bidirectional communication indicating the parameter determined to be unhealthy.

5. The apparatus according to claim 4, wherein the authorized radio in bidirectional communication receives the unhealthy parameter determination and a correction message to cure the unhealthy parameter.

6. The apparatus according to claim 3, wherein the authorized radio in bidirectional communication receives a bidirectional communication indicating at least one of:

the authorized radio is not compliant with a packet/signal specification structure;

the frequency of the signal from the authorized radio has deviated; and

the range of frequency of the signal from the authorized radio over time has deviated.

7. The apparatus according to claim 6, wherein the authorized radio in bidirectional communication receives a correction message to cure the parameter determined to be unhealthy.

8. A communications network health-determining apparatus, the network comprising a plurality of network base station transceivers distributed over a geographic area and in bidirectional communication with radios operating in the network, each radio having a respective radio identifier and transmitting a signal including the respective radio identifier, the apparatus comprising:

health determining devices;

configured to receive the signal during normal over-the-air operation of one of the radios;

configured to determine if the signal received by the one radio was transmitted from an authorized one of the radios; and

when a health determining device determines that the signal is from an authorized radio;

the health determining device determines a current location of the authorized radio within the geographic area; and

the health determining device forwards the signal of the authorized radio along with the radio identifier and the current location of the authorized radio to the master controller;

a master controller;

communicatively coupled to the health determining devices;

configured to receive the signal, the radio identifier, and the current location from the health determining devices;

configured to measure signal parameters of the signals received;

configured to determine operating characteristics of each of the authorized radios from the respective measured signal parameters;

configured to analyze the operating characteristics of each of the authorized radios and determining if each of the authorized radios is healthy by at least one of;

packet sniffing a received signal from the authorized radio and determining if the authorized radio is compliant with a packet/signal specification structure;

determining a frequency deviation of the signal from the authorized radio; and

determining a range of frequency deviations of the signal from the authorized radio over time;

configured to create an analysis result of each of the authorized radios;

after at least two analysis results sent to the master controller from two different health determining devices indicate that one of the authorized radios is healthy, the master controller determines that a geographically unhealthy location of the network exists within the geographic area at the associated current location of the one authorized radio within the geographic area.

9. The apparatus according to claim 8, wherein the authorized radio in bidirectional communication with at least one of the health determining devices and the master controller receives the determination from at least one of the health determining devices and the master controller that the authorized radio is healthy.

10. The apparatus according to claim 8, wherein the authorized radio in bidirectional communication with at least one of the health determining devices and the master controller receives the determination from at least one of the health determining devices and the master controller that the authorized radio is not healthy.

11. The apparatus according to claim 10, wherein the authorized radio in bidirectional communication receives a bidirectional communication indicating the parameter determined to be unhealthy.

12. The apparatus according to claim 11, wherein the authorized radio in bidirectional communication receives the unhealthy parameter determination and a correction message to cure the unhealthy parameter.

13. The apparatus according to claim 10, wherein the authorized radio in bidirectional communication receives a bidirectional communication indicating at least one of:

the authorized radio is not compliant with a packet/signal specification structure;

the frequency of the signal from the authorized radio has deviated; and

the range of frequency of the signal from the authorized radio over time has deviated.

14. The apparatus according to claim 13, wherein the authorized radio in bidirectional communication receives a correction message to cure the parameter determined to be unhealthy.

15. A communications network health-determining apparatus, the network comprising a plurality of network base station transceivers distributed over a geographic area and in bidirectional communication with radios operating in the network, each radio having a respective radio identifier and transmitting a signal including the respective radio identifier, the apparatus comprising:

health determining devices configured to receive the signal during normal over-the-air operation of one of the radios;

a master controller communicatively coupled to the health determining devices;

either;

the health determining devices;

configured to determine if the signal was transmitted from an authorized one of the radios; and

when a health determining device determines that the signal is from an authorized radio;

the health determining device measures signal parameters of the signal;

the health determining device determines operating characteristics of the authorized radio from the measured signal parameters; and

the health determining device determines a current location of the authorized radio within the geographic area;

a first of the health determining devices;

configured to analyze the operating characteristics of the authorized radio and determining if the authorized radio is healthy by at least one of;

packet sniffing a received signal from the authorized radio and determining if the authorized radio is compliant with a packet/signal specification structure;

determining a frequency deviation of the signal from the authorized radio; and

determining a range of frequency deviations of the signal from the authorized radio over time; and

configured to send a first analysis result of the authorized radio to the master controller; and

a second of the health determining devices;

configured to analyze the operating characteristics of the authorized radio and determining if the authorized radio is healthy by at least one of;

packet sniffing a received signal from the authorized radio and determining if the authorized radio is compliant with a packet/signal specification structure;

determining a frequency deviation of the signal from the authorized radio; and

determining a range of frequency deviations of the signal from the authorized radio over time; and

configured to send a second analysis result of the authorized radio to the master controller; and

after both the first and second analysis results sent to the master controller indicate that the authorized radio is healthy, the master controller determines from the first and second analysis results that a geographically unhealthy location of the network exists within the geographic area at the current location of the authorized healthy radio;

or

the health determining devices;

configured to determine if the signal was transmitted from an authorized one of the radios; and

when a health determining device determines that the signal is from an authorized radio;

the health determining device determines a current location of the authorized radio within the geographic area; and

the health determining device forwards the signal of the authorized radio along with the radio identifier and the current location of the authorized radio to the master controller; and

the master controller;

configured to receive the signal, the radio identifier, and the current location from the health determining devices;

configured to measure signal parameters of the signals received;

configured to determine operating characteristics of each of the authorized radios from the respective measured signal parameters;

configured to analyze the operating characteristics of each of the authorized radios and determining if each of the authorized radios is healthy by at least one of;

packet sniffing a received signal from the authorized radio and determining if the authorized radio is compliant with a packet/signal specification structure;

determining a frequency deviation of the signal from the authorized radio; and

determining a range of frequency deviations of the signal from the authorized radio over time; and

configured to create an analysis result of each of the authorized radios;

after at least two analysis results sent to the master controller from two different health determining devices indicate that one of the authorized radios is healthy, the master controller determines that a geographically unhealthy location of the network exists within the geographic area at the associated current location of the one authorized radio within the geographic area.

16. The apparatus according to claim 15, wherein the authorized radio in bidirectional communication with at least one of the first and second health determining devices receives the determination from at least one of the health determining devices and the master controller that the authorized radio is healthy.

17. The apparatus according to claim 15, wherein the authorized radio in bidirectional communication with at least one of the first and second health determining devices receives the determination from at least one of the health determining devices and the master controller that the authorized radio is not healthy.

18. The apparatus according to claim 17, wherein the authorized radio in bidirectional communication receives a bidirectional communication indicating the parameter determined to be unhealthy.

19. The apparatus according to claim 18, wherein the authorized radio in bidirectional communication receives the unhealthy parameter determination and a correction message to cure the unhealthy parameter.

20. The apparatus according to claim 17, wherein the authorized radio in bidirectional communication receives a bidirectional communication indicating at least one of:

the authorized radio is not compliant with a packet/signal specification structure;

the frequency of the signal from the authorized radio has deviated; and

the range of frequency of the signal from the authorized radio over time has deviated.

21. The apparatus according to claim 20, wherein the authorized radio in bidirectional communication receives a correction message to cure the parameter determined to be unhealthy.