Method and apparatus for increasing performance of communication links of communication nodes

• US 10,097,301 B2
• Filed: 01/12/2018
• Issued: 10/09/2018
• Est. Priority Date: 05/05/2014
• Status: Active Grant

• Current Assignee: ISCO International Inc.
• Original Assignee: ISCO International Inc.
• Inventors: Abdelmonem, Amr, Seoane, Jorge, Galeev, Mikhail, Komoravolu, Krishna, Wang, Zhigang, Reichard, Jr., Gordon
• Primary Examiner(s): Onamuti, Gbemileke J
• Application Number:
  US15/870,149
• Publication Number:
  US 20180139004A1
• Time in Patent Office: 270 Days
• CPC Class Codes: H04J 11/005 of intercell interference
• CPC Class Codes: H04J 11/0066 of narrowband interference narrowband interference reduction H04B1/1036
• CPC Class Codes: H04L 5/0021 in which codes are applied as a frequency-domain sequences, e.g. MC-CDMA
• CPC Class Codes: H04L 5/0023 Time-frequency-space
• CPC Class Codes: H04L 5/006 Quality of the received signal, e.g. BER, SNR, water filling
• CPC Class Codes: H04L 5/0073 Allocation arrangements that take into account other cell interferences for intercell interference mitigation or co-ordination in orthogonal multiplex systems H04J11/005
• CPC Class Codes: H04W 24/02 Arrangements for optimising operational condition
• CPC Class Codes: H04W 24/08 Testing, supervising or monitoring using real traffic
• CPC Class Codes: H04W 24/10 Scheduling measurement reports ; Arrangements for measurement reports
• CPC Class Codes: H04W 52/241 taking into account channel quality metrics, e.g. SIR, SNR, CIR, Eb/lo
• CPC Class Codes: H04W 52/243 taking into account interferences
• CPC Class Codes: H04W 72/541 using the level of interference
• CPC Class Codes: H04W 72/542 using measured or perceived quality
• CPC Class Codes: H04W 88/08 Access point devices

Abstract

A system that incorporates aspects of the subject disclosure may perform operations including, for example, obtaining performance parameters in a communications network, identifying a degradation in performance of one or more nodes of the communications network according the monitored performance parameters, and initiating corrective action to mitigate the degradation in performance of the one or more nodes of the communications network. Other embodiments are disclosed.

Claims

1. A method, comprising:

receiving, by a processing system including a processor, a first plurality of signals for a first plurality of channels at a cell site over a first time period, wherein each signal of the first plurality of signals corresponds to each channel in the first plurality of channels;

determining, by the processing system, that a signal strength of each of a first group of signals from the first plurality of signals is above a first predetermined threshold;

identifying, by the processing system, a first signal from the first group of signals, wherein the first signal corresponds to a first channel of the first plurality of channels;

receiving, by the processing system, a second plurality of signals for a second plurality of channels at the cell site over a second time period, wherein each signal of the second plurality of signals corresponds to each channel in the second plurality of channels;

determining, by the processing system, that a signal strength of each of a second group of signals from the second plurality of signals is above the first predetermined threshold; and

initiating, by the processing system, corrective action of the first channel at the cell site responsive to identifying, by the processing system, a second signal from the second group of signals, wherein the second signal corresponds to the first channel.

2. The method of claim 1, comprising receiving, by the processing system, first user-input, wherein a first number for the first plurality of signals is based on the first user-input, and wherein a second number for the second plurality of signals is based on the first user-input.

3. The method of claim 1, comprising receiving, by the processing system, second user-input, wherein a third number for the first group of signals is based on the second user-input, and wherein a fourth number for the second group of signals is based on the second user-input.

4. The method of claim 1, wherein the first plurality of signals are from a first group of consecutive channels, wherein the second plurality of signals are from a second group of consecutive channels, wherein the cell site receives a signal for one of a plurality of frequency channels across a frequency range.

5. The method of claim 1, comprising calculating, by the processing system, a correlation factor for the first signal, wherein the initiating of corrective action includes initiating the corrective action in response to comparing, by the processing system, the correlation factor to a threshold correlation factor.

6. The method of claim 1, comprising

receiving, by the processing system, a third plurality of signals at the cell site over a third time period;

receiving, by the processing system, that a signal strength of each of a third group of signals from the first plurality of signals is above a second predetermined threshold and below the first predetermined threshold;

receiving, by the processing system, a fourth plurality of signals at the cell site over a fourth time period; and

determining, by the processing system, that a signal strength of each of a fourth group of signals from the second plurality of signals is above the second predetermined threshold and below the first predetermined threshold.

7. The method of claim 6, comprising selecting, by the processing system, a first number for the first plurality of signals and selecting a second number for the second plurality of signals in response to determining that the signal strength of each of the third group of signals from the first plurality of signals is above the second predetermined threshold and below the first predetermined threshold and in response to determining that the signal strength of each of the fourth group of signals from the second plurality of signals is above the second predetermined threshold and below the first predetermined threshold.

8. The method of claim 1, wherein initiating the corrective action includes filtering the first signal using one or more filters.

9. The method of claim 1, wherein the first predetermined threshold is an average signal strength.

10. A device, comprising:

a processing system including a processor; and

a memory that stores executable instructions that, when executed by the processing system, facilitate performance of operations, comprising;

selecting a first number for a first plurality of signals;

detecting the first plurality of signals for a first plurality of channels received at a cell site over a first time period, wherein each signal of the first plurality of signals corresponds to each channel in the first plurality of channels;

determining that a signal strength of each of a first group of signals from the first plurality of signals is above a first predetermined threshold;

identifying a first signal from the first group of signals, wherein the first group of signals corresponds to a first channel of the first plurality of channels;

selecting a second number for a second plurality of signals;

detecting the second plurality of signals for a second plurality of channels received at the cell site over a second time period, wherein each signal of the second plurality of signals corresponds to each channel in the second plurality of channels;

determining that a signal strength of each of a second group of signals from the second plurality of signals is above the first predetermined threshold; and

filtering the first signal at the cell site using one or more filters in response to identifying a second signal from the second group of signals, wherein the second signal corresponds to the first channel.

11. The device of claim 10, wherein the operations comprise receiving first user-input, wherein selecting the first number for the first plurality of signals is based on the first user-input, and wherein selecting the second number for the second plurality of signals is based on the first user-input.

12. The device of claim 10, wherein the operations comprise:

selecting a third number for the first group of signals in response to receiving second user-input, wherein the third number for the first group of signals is based on the second user-input; and

selecting a fourth number for the second group of signals in response to receiving the second user-input, wherein the fourth number for the second group of signals is based on the second user-input.

13. The device of claim 10, wherein the first plurality of signals are from a first group of consecutive channels, wherein the second plurality of signals are from a second group of consecutive channels, wherein the cell site receives a signal for one of a plurality of frequency channels across a frequency range.

14. The device of claim 10, wherein the operations comprise calculating a correlation factor for the first signal, wherein the filtering the first signal includes filtering first signal in response to comparing the correlation factor to a threshold correlation factor.

15. The device of claim 10, wherein the first predetermined threshold is an average signal strength.

16. A machine-readable storage medium, comprising executable instructions that, when executed by a processing system including a processor, facilitate performance of operations, comprising:

obtaining a first plurality of signals for a first plurality of channels at a cell site over a first time period, wherein each signal of the first plurality of signals corresponds to each channel in the first plurality of channels;

determining that a signal strength of each of a first group of signals from the first plurality of signals is above a first predetermined threshold;

identifying a first signal from the first group of signals, wherein the first signal corresponds to a first channel of the first plurality of channels;

obtaining a second plurality of signals for a second plurality of channels at the cell site over a second time period, wherein each signal of the second plurality of signals corresponds to each channel in the second plurality of channels;

determining that a signal strength of each of a second group of signals from the second plurality of signals is above the first predetermined threshold;

identifying a second signal from the second group of signals, wherein the second signal corresponds to the first channel; and

determining interference in the first signal in response to identifying the first signal in first group of signals and in response to identifying the first signal in the second group of signals; and

mitigating the interference in the first signal at the cell site.

17. The machine-readable storage medium of claim 16, wherein the first plurality of signals are from a first group of consecutive channels, wherein the second plurality of signals are from a second group of consecutive channels, wherein the cell site receives a signal for one of a plurality of frequency channels across a frequency range.

18. The machine-readable storage medium of claim 16, wherein the operations comprise calculating a correlation factor for the first signal, wherein the mitigating the interference in the first signal includes mitigating the interference in the first signal in response to comparing the correlation factor to a threshold correlation factor.

19. The machine-readable storage medium of claim 16, wherein the first predetermined threshold is an average signal strength.

20. The machine-readable storage medium of claim 16, wherein the mitigating the interference in the first signal includes filtering the first signal using one or more filters.