# US 11,445,517 B2 · Method and apparatus for signal interference processing

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- Number: US 11,445,517 B2
- Document ID: US11445517B2
- Status: Granted
- Kind: B2
- Application number: 17/090,604
- Filed: 2020-11-05
- Published: 2021-02-25
- Granted: 2022-09-13
- Earliest claimed: 2013-03-15
- Assignees: ISCO International, LLC
- Applicants: ISCO International, LLC
- Inventors: Amr Abdelmonem; Sean S. Cordone; Bill Myers
- Web page: https://patentgrep.com/patent/US11445517B2

## CPC

- H04W 72/541: using the level of interference
- 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)}
- H04B 1/709: Correlator structure
- H04B 1/71: the interference being narrowband interference
- H04B 1/7103: the interference being multiple access interference
- H04B 15/00: Suppression or limitation of noise or interference (by means associated with receiver H04B1/10)
- 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)
- H04B 17/21: for calibration; for correcting measurements
- H04B 17/26: using historical data, averaging values or statistics
- H04B 17/318: Received signal strength
- H04B 17/327: Received signal code power [RSCP]
- H04B 17/345: Interference values ({signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]} H04B17/336)
- H04B 17/373: Predicting channel quality {or other radio frequency [RF]} parameters
- H04L 5/0007: {the frequencies being orthogonal, e.g. OFDM(A) or DMT}
- H04L 5/0026: {Division using four or more dimensions, e.g. beam steering or quasi-co-location [QCL]}
- H04L 5/0032: {Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation}
- H04L 5/0073: {Allocation arrangements that take into account other cell interferences}
- H04L 41/069: using logs of notifications; Post-processing of notifications
- H04W 4/02: Services making use of location information
- H04W 4/023: {using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds}
- H04W 4/029: Location-based management or tracking services
- H04W 16/28: using beam steering
- H04W 24/02: Arrangements for optimising operational condition
- H04W 24/08: Testing, {supervising or monitoring} using real traffic
- H04W 24/10: Scheduling measurement reports {; Arrangements for measurement reports}
- H04W 28/0236: {radio quality, e.g. interference, losses or delay}
- H04W 28/04: Error control
- H04W 40/16: based on interference
- H04W 52/04: Transmission power control [TPC]
- H04W 52/14: Separate analysis of uplink or downlink
- H04W 52/243: {taking into account interferences}
- H04W 64/00: Locating users or terminals {or network equipment} for network management purposes, e.g. mobility management
- H04W 64/006: {with additional information processing, e.g. for direction or speed determination}
- H04W 72/0446: Resources in time domain, e.g. slots or frames
- H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA
- H04W 72/52: based on load
- H04W 72/54: based on quality criteria
- H04W 72/542: using measured or perceived quality
- H04B 7/2634: {for channel frequency control}
- H04B 2201/709709: Methods of preventing interference
- H04B 2201/709745: Iterative interference mitigation schemes
- H04J 11/0066: {of narrowband interference (narrowband interference reduction H04B1/1036)}
- H04L 5/006: {Quality of the received signal, e.g. BER, SNR, water filling}
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)
- H04B: TRANSMISSION
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)
- H04J: MULTIPLEX COMMUNICATION (transmission in general H04B; peculiar to transmission of digital information H04L5/00; systems for the simultaneous or sequential transmission of more than one television signal H04N7/08; in exchanges H04Q11/00; stereophonic systems H04S)

## Abstract

A system that incorporates the subject disclosure may include, for example, a device comprising a memory to store instructions and a processor coupled to the memory, wherein responsive to executing the instructions, the processor performs operations. The operations comprise receiving signals over a spectrum of frequencies, providing location data of the device to a base station, receiving a request from a base station to perform a spectral analysis of the signals, detecting an interference among the signals, and providing, in response to the request, data to the base station regarding a source of the interference, wherein the data comprises a location of the source relative to the device, spectral data for identifying the source, and a time a frequency of occurrence of the interference. Other embodiments are disclosed.

## Claims

### Claim 1

A method comprising:
receiving, by a processing system including a processor of a communication device, a plurality of signals;
receiving, by the processing system, a request from a remote system;
performing, by the processing system, a spectral analysis of the plurality of signals in response to the receiving the request;
detecting, by the processing system according to the spectral analysis, a spectral profile indicating an interference among the plurality of signals;
identifying, by the processing system, a source of the interference; and
providing, by the processing system, information to the remote system for identifying the source of the interference,
wherein the communication device is one of a plurality of mobile devices selected by the remote system, wherein the remote system receives a plurality of reports of similar spectral profiles detected by the plurality of mobile devices respectively, each of the plurality of reports corresponding to a different vantage point of a mobile device of the plurality of mobile devices, and wherein the remote system determines a location of the source of the interference based on the reports and the different vantage points.

### Claim 2 (depends on 1)

The method of claim 1, further comprising determining, by the processing system, a time of occurrence of the interference, a frequency of occurrence of the interference, or a combination thereof, for identifying the source of the interference.

### Claim 3 (depends on 2)

The method of claim 2, further comprising:
providing, by the processing system, the time of occurrence of the interference, the frequency of occurrence of the interference, or a combination thereof to the remote system.

### Claim 4 (depends on 1)

The method of claim 1, wherein the communication device and a second communication device of the plurality of mobile devices are located within a predetermined distance from each other, and wherein the communication device is selected according to a random selection between the communication device and the second communication device.

### Claim 5 (depends on 1)

The method of claim 1, wherein the plurality of mobile devices and the remote system comprise a diagnostic system having access to a database of interference sources including spectral profiles.

### Claim 6 (depends on 5)

The method of claim 5, wherein the diagnostic system identifies the source of the interference based on a comparison of spectral data from the spectral analysis of the plurality of signals and the spectral profiles.

### Claim 7 (depends on 1)

The method of claim 1, wherein the detecting the interference among the plurality of signals comprises:
detecting, by the processing system, the interference based on a threshold relative to a baseline power level.

### Claim 8

A method, comprising:
selecting, by a processing system including a processor of a base station, a plurality of mobile devices in communication with the base station;
sending, by the processing system, a request to the plurality of mobile devices to perform a spectral analysis of a plurality of signals received by the plurality of mobile devices;
receiving, by the processing system, a plurality of reports of spectral data provided by the plurality of mobile devices in response to the request and in accordance with the spectral analysis performed by the plurality of mobile devices;
identifying, by the processing system, a source of interference based on a comparison of the spectral data and spectral profiles of interference sources; and
determining, by the processing system, a location of the source of the interference based on a plurality of reports of similar spectral profiles detected by the plurality of mobile devices respectively, each of the plurality of reports corresponding to a different vantage point of a mobile device of the plurality of mobile devices.

### Claim 9 (depends on 8)

The method of claim 8, wherein the selecting is based on respective locations of the plurality of mobile devices.

### Claim 10 (depends on 8)

The method of claim 8, further comprising:
generating, by the processing system, a report including information regarding the interference; and
providing, by the processing system, the report to a diagnostic system to mitigate effects of the interference.

### Claim 11 (depends on 8)

The method of claim 8, further comprising receiving, by the processing system, interference data, wherein the interference data comprises a time of occurrence of the interference, a frequency of occurrence of the interference, or a combination thereof.

### Claim 12 (depends on 8)

The method of claim 8, wherein the location of the source of the interference is determined using a triangulation procedure.

### Claim 13 (depends on 8)

The method of claim 8, wherein a first communication device and a second communication device of the plurality of mobile devices are located within a predetermined distance of each other, and wherein the selecting is performed according to a random selection between the first communication device and the second communication device.

### Claim 14 (depends on 8)

The method of claim 8, wherein the identifying the source of interference comprises detecting, by the processing system, the interference based on a threshold relative to a baseline power level.

### Claim 15

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 request for information from a remote system;
receiving a plurality of signals;
performing a spectral analysis of the plurality of signals;
detecting, according to the spectral analysis, an interference among the plurality of signals; and
providing information to the remote system for identification of a source of the interference, wherein the providing is responsive to the request for information from the remote system,
wherein the device is one of a plurality of mobile devices selected by the remote system, wherein the remote system receives a plurality of reports of similar spectral profiles detected by the plurality of mobile devices respectively, each of the plurality of reports corresponding to a different vantage point of a mobile device of the plurality of mobile devices, and wherein the remote system determines a location of the source of the interference based on the reports and the different vantage points.

### Claim 16 (depends on 15)

The device of claim 15, wherein the device is selected by the remote system for performing the spectral analysis based on a location of the device, and wherein the performing of the spectral analysis is in response to receiving the request for information from the remote system.

### Claim 17 (depends on 15)

The device of claim 15, wherein each of the plurality of mobile devices respectively provides information regarding a location thereof to the remote system.

### Claim 18 (depends on 15)

The device of claim 15, wherein the plurality of mobile devices and the remote system comprise a diagnostic system having access to a database of interference sources including spectral profiles.

### Claim 19 (depends on 15)

The device of claim 15, wherein the detecting the interference comprises detecting the interference based on a threshold relative to a baseline power level.

### Claim 20 (depends on 15)

The device of claim 15, wherein the providing information to the remote system for identification of the source of the interference comprises providing a time of occurrence of the interference, a frequency of occurrence of the interference, or a combination thereof, to the remote system.