Creating library of interferers

• US 10,419,195 B2
• Filed: 05/08/2018
• Issued: 09/17/2019
• Est. Priority Date: 03/15/2013
• Status: Active Grant

• Current Assignee: ISCO International Inc.
• Original Assignee: ISCO International LLC
• Inventors: Abdelmonem, Amr, Galeev, Mikhail, Seskiewicz, Dariusz, Myers, Bill, Myers, Ted
• Primary Examiner(s): Marcelo, Melvin C
• Application Number:
  US15/974,053
• Publication Number:
  US 20180254878A1
• Time in Patent Office: 497 Days
• CPC Class Codes: H04B 1/1036 with automatic suppression of narrow band noise or interference, e.g. by using tuneable notch filters H04B1/123 takes precedence; filter circuits H03H
• CPC Class Codes: H04B 1/709 Correlator structure
• CPC Class Codes: H04B 1/71 the interference being narrowband interference
• CPC Class Codes: H04B 1/7103 the interference being multiple access interference
• CPC Class Codes: H04B 15/00 Suppression or limitation of noise or interference by means associated with receiver H04B1/10
• CPC Class Codes: H04B 17/00 Monitoring; Testing of line transmission systems H04B3/46; arrangements for monitoring or testing transmission systems employing electromagnetic waves other than radio waves H04B10/07
• CPC Class Codes: H04B 17/21 for calibration; for correcting measurements
• CPC Class Codes: H04B 17/26 using historical data, averaging values or statistics
• CPC Class Codes: H04B 17/318 Received signal strength
• CPC Class Codes: H04B 17/327 Received signal code power [RSCP]
• CPC Class Codes: H04B 17/345 Interference values signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR] H04B17/336
• CPC Class Codes: H04B 17/373 Predicting channel quality or other radio frequency [RF] parameters
• CPC Class Codes: H04B 2201/709709 Methods of preventing interference
• CPC Class Codes: H04B 2201/709745 Iterative interference mitigation schemes
• CPC Class Codes: H04B 7/2634 for channel frequency control
• CPC Class Codes: H04J 11/0066 of narrowband interference narrowband interference reduction H04B1/1036
• CPC Class Codes: H04L 41/069 using logs of notifications; Post-processing of notifications
• CPC Class Codes: H04L 5/0007 the frequencies being orthogonal, e.g. OFDM(A), DMT
• CPC Class Codes: H04L 5/0026 Division using four or more dimensions
• CPC Class Codes: H04L 5/0032 Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
• 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 16/28 : using beam steering
• 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 28/0236 : radio quality, e.g. interference, losses or delay
• CPC Class Codes: H04W 28/04 : Error control
• CPC Class Codes: H04W 4/02 : Services making use of location information
• CPC Class Codes: H04W 4/023 : using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
• CPC Class Codes: H04W 4/029 : Location-based management or tracking services
• CPC Class Codes: H04W 40/16 : based on interference
• CPC Class Codes: H04W 52/04 : TPC
• CPC Class Codes: H04W 52/14 : Separate analysis of uplink or downlink
• CPC Class Codes: H04W 52/243 : taking into account interferences
• CPC Class Codes: H04W 64/00 : Locating users or terminals or network equipment for network management purposes, e.g. mobility management
• CPC Class Codes: H04W 64/006 : with additional information processing, e.g. for direction or speed determination
• CPC Class Codes: H04W 72/0446 : Resources in time domain, e.g. slots or frames
• CPC Class Codes: H04W 72/0453 : Resources in frequency domain, e.g. a carrier in FDMA
• CPC Class Codes: H04W 72/52 : based on load
• CPC Class Codes: H04W 72/54 : based on quality criteria
• CPC Class Codes: H04W 72/541 : using the level of interference
• CPC Class Codes: H04W 72/542 : using measured or perceived quality

Abstract

A system includes a method for detecting a signal interference in a communication signal of a wireless communication system. An identified source of the signal interference is determined according to an interference profile of a plurality of interference profiles associated with an interference profile library having information that approximates characteristics of the signal interference. The signal interference of the communication signal is mitigated according to an interference parameter associated with the identified source by filtering the communication signal according to the interference parameter.

Claims

1. A method, comprising:

analyzing, by a processing system including a processor, a first signal interference in a communication signal over a network of a wireless communication system to determine an effect of the first signal interference on network traffic;

determining, by the processing system, a priority of the first signal interference according to the analyzing;

comparing, by the processing system, the first signal interference with a plurality of interference profiles of an interference profile library;

identifying, by the processing system, a source of the first signal interference based on the comparing;

retrieving, by the processing system, an interference parameter associated with the source of the first signal interference; and

transmitting, by the processing system, the interference parameter to a communication device, wherein the communication device mitigates the first signal interference in accordance with the priority, wherein the communication device selects a filter type for processing the communication signal according to the interference parameter.

2. The method of claim 1, further comprising monitoring, by the processing system, each of a plurality of resource blocks according to an adaptive threshold to detect the first signal interference in at least one resource block of the plurality of resource blocks.

3. The method of claim 1, wherein determining the priority further comprises determining a frequency of occurrence of the first signal interference.

4. The method of claim 1, further comprising applying, by the processing system, a filter parameter of a signal processing filter to the source of the first signal interference.

5. The method of claim 1, wherein the filter type comprises a notch filter having a predetermined width.

6. The method of claim 1, further comprising:

receiving, by the processing system, the communication signal; and

detecting, by the processing system, the first signal interference in a first resource block of a plurality of resource blocks in a radio frequency spectrum of the communication signal.

7. The method of claim 6, further comprising:

measuring, by the processing system, a plurality of power levels of the plurality of resource blocks;

determining, by the processing system, a baseline power level from the plurality of power levels; and

determining, by the processing system from the baseline power level, a threshold for detecting the first signal interference.

8. The method of claim 1, wherein the communication device comprises a cell phone, and wherein the cell phone mitigates the first signal interference on a downlink of the wireless communication system.

9. The method of claim 1, wherein the identifying comprises identifying a type of the source of the first signal interference.

10. The method of claim 1, further comprising monitoring, by the processing system, frequencies of interference associated with the identified source.

11. The method of claim 1, further comprising monitoring, by the processing system, locations of interference associated with the identified source.

12. 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;

receiving a communication signal over a network of a wireless communication system;

analyzing a first signal interference in the communication signal to determine an effect of the first signal interference on network traffic;

determining a priority of the first signal interference according to the analyzing;

comparing the first signal interference with a plurality of interference profiles of an interference profile library;

identifying a source of the first signal interference based on the comparing;

retrieving an interference parameter associated with the source of the first signal interference; and

transmitting the interference parameter to a communication device, wherein the communication device mitigates the first signal interference in accordance with the priority, wherein the communication device selects a filter type for processing the communication signal according to the interference parameter.

13. The device of claim 12, wherein the operations further comprise monitoring each of a plurality of resource blocks according to an adaptive threshold to detect the first signal interference in at least one resource block of the plurality of resource blocks.

14. The device of claim 12, wherein determining the priority further comprises determining a frequency of occurrence of the first signal interference.

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

receiving the communication signal; and

detecting the first signal interference in a first resource block of a plurality of resource blocks in a radio frequency spectrum of the communication signal.

16. The device of claim 15, wherein the operations further comprise:

measuring a plurality of power levels of the plurality of resource blocks;

determining a baseline power level from the plurality of power levels; and

determining, from the baseline power level, a threshold for detecting the first signal interference.

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

analyzing a first signal interference in a communication signal over a network of a wireless communication system to determine an effect of the first signal interference on network traffic;

determining a priority of the first signal interference according to the analyzing;

comparing the first signal interference with a plurality of interference profiles of an interference profile library;

identifying a source of the first signal interference based on the comparing;

retrieving an interference parameter associated with the source of the first signal interference;

applying a filter parameter of a signal processing filter to the source of the first signal interference; and

transmitting the interference parameter to a communication device, wherein the communication device mitigates the first signal interference in accordance with the priority.

18. The non-transitory machine-readable medium of claim 17, wherein the communication device selects a filter type for processing the communication signal according to the interference parameter.

19. The non-transitory machine-readable medium of claim 17, wherein the operations further comprise monitoring each of a plurality of resource blocks according to an adaptive threshold to detect the first signal interference in at least one resource block of the plurality of resource blocks.

20. The non-transitory machine-readable medium of claim 19, wherein the operations further comprise:

measuring a plurality of power levels of the plurality of resource blocks;

determining a baseline power level from the plurality of power levels; and

determining, from the baseline power level, the adaptive threshold.