Systems, methods, and devices having databases and automated reports for electronic spectrum management

• US 10,531,323 B2
• Filed: 04/01/2019
• Issued: 01/07/2020
• Est. Priority Date: 03/15/2013
• Status: Active Grant

• Current Assignee: Digital Global Systems, Inc.
• Original Assignee: Digital Global Systems, Inc.
• Inventors: Dzierwa, Ronald C., Carbajal, Daniel
• Primary Examiner(s): Tsvey, Gennadiy
• Application Number:
  US16/371,615
• Publication Number:
  US 20190230541A1
• Time in Patent Office: 281 Days
• CPC Class Codes: H04B 17/23 Indication means, e.g. displays, alarms, audible means
• CPC Class Codes: H04B 17/26 using historical data, averaging values or statistics
• 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 17/3911 Fading models or fading generators
• CPC Class Codes: H04W 16/14 Spectrum sharing arrangements between different networks
• 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 4/029 Location-based management or tracking services
• CPC Class Codes: H04W 64/006 with additional information processing, e.g. for direction or speed determination

Abstract

Systems and methods are disclosed for providing at least one report relating to a wireless communications spectrum. At least one device is operable for wideband scan; to detect and measure at least one signal transmitted from at least one signal emitting device autonomously, thereby creating signal data; to analyze the signal data in near real-time, thereby creating analyzed data; generate the at least one report in near real-time; and to communicate at least a portion of the at least one report over a network to at least one remote device.

Claims

1. A system for providing at least one report relating to a radio-frequency (RF) environment comprising:

at least one device operable for detecting signals in the RF environment;

wherein the at least one device is operable to sweep and learn the RF environment in a predetermined period of time based on statistical learning techniques, thereby creating learning data including power level measurements of the RF environment;

wherein the at least one device is operable to form a knowledge map based on the power level measurements of the RF environment;

wherein the at least one device is operable to automatically extract at least one temporal feature of the RF environment from the knowledge map;

wherein the at least one device is operable to scrub a real-time spectral sweep against the knowledge map;

wherein the at least one device is operable to calculate a first derivative of the power level measurements and a second derivative of the power level measurements;

wherein the at least one device is operable to select most prominent derivatives of the first derivative and the second derivative;

wherein the at least one device is operable to perform a squaring function on the most prominent derivatives;

wherein the at least one device is operable to detect at least one signal in the RF environment based on matched positive and negative gradients, thereby creating signal data;

wherein the at least one device is operable to average the real-time spectral sweep, remove areas identified by the matched positive and negative gradients, and connect points between removed areas to determine a baseline;

wherein the at least one device is operable to subtract the baseline from the real-time spectral sweep to reveal the at least one signal;

wherein the at least one device is operable to analyze the signal data, thereby creating analyzed data;

wherein the at least one device is operable to communicate the signal data, the analyzed data, and/or the learning data to at least one remote device; and

wherein the at least one device and/or the at least one remote device is operable to generate at least one report based on the signal data, the analyzed data, and/or the learning data.

2. The system of claim 1, wherein the signal data includes at least one of:

in-phase and quadrature data of the at least one signal;

energy measurements of the at least one signal and a time associated with each of the energy measurements; and

at least one parameter of the at least one signal, the at least one parameter including at least one of modulation type, protocol data, protocol type, payload scheme, symbol rate, symbol timing data, frequency repetition interval, data type, bandwidth, source system, source location, time of arrival measurement, frequency, center frequency, frequency peak, power, peak power, average power, and duration.

3. The system of claim 1, wherein the at least one report is selected from a group consisting of:

a power usage report, a radio frequency survey report, a signal optimization report, a listing report of at least two frequencies sensed and measured, a plot report of power and bandwidth activity of at least two frequencies sensed and measured, a variance report including information about variations in the signal data, and an anomaly report.

4. The system of claim 1, wherein the at least one device and/or the at least one remote device is operable to display or visually indicate the signal data, the analyzed data, the learning data, and/or the at least one generated report.

5. The system of claim 1, wherein the at least one device is operable to index the power level measurements for each frequency interval in a spectrum section in the predetermined period of time.

6. The system of claim 1, wherein the knowledge map comprises an array of normal distributions, wherein each normal distribution corresponds to how often a power level at each frequency has been at a particular level.

7. The system of claim 1, wherein the at least one device and/or the at least one remote device is operable to create a profile of the RF environment based on the knowledge map, wherein the profile comprises a highest power level at each frequency during the predetermined period of time.

8. The system of claim 1, wherein the at least one remote device is operable to display the knowledge map and signal data in real time.

9. The system of claim 1, wherein the RF environment is periodically reevaluated and the knowledge map is updated.

10. The system of claim 1, wherein the at least one device and/or the at least one remote device is operable to send a notification and/or an alarm to an operator after detecting the at least one signal.

11. A method for providing at least one report relating to a radio-frequency (RF) environment comprising:

learning the RF environment in a predetermined period of time based on statistical learning techniques, thereby creating learning data including power level measurements of the RF environment;

forming a knowledge map of the RF environment based on the power level measurements of the RF environment;

automatically extracting at least one temporal feature of the RF environment from the knowledge map;

scrubbing a real-time spectral sweep against the knowledge map;

calculating a first derivative of the power level measurements and a second derivative of the power level measurements;

selecting most prominent derivatives of the first derivative and the second derivative;

performing a squaring function on the most prominent derivatives;

detecting at least one signal in the RF environment based on matched positive and negative gradients;

averaging the real-time spectral sweep, removing areas identified by the matched positive and negative gradients, and connecting points between removed areas to determine a baseline;

subtracting the baseline from the real-time spectral sweep to reveal the at least one signal, thereby creating signal data;

analyzing the signal data, thereby creating analyzed data;

generating at least one report based on the signal data, the analyzed data, and/or the learning data.

12. The method of claim 11, wherein the signal data includes at least one of:

in-phase and quadrature data of the at least one signal;

energy measurements of the at least one signal and a time associated with each of the energy measurements; and

at least one parameter of the at least one signal, the at least one parameter including at least one of modulation type, protocol data, protocol type, payload scheme, symbol rate, symbol timing data, frequency repetition interval, data type, bandwidth, source system, source location, time of arrival measurement, frequency, center frequency, frequency peak, power, peak power, average power, and duration.

13. The method of claim 11, wherein the at least one report is selected from a group consisting of:

a power usage report, a radio frequency survey report, a signal optimization report, a listing report of at least two frequencies sensed and measured, a plot report of power and bandwidth activity of at least two frequencies sensed and measured, a variance report including information about variations in the signal data, and an anomaly report.

14. The method of claim 11, further comprising displaying or visually indicating the signal data, the analyzed data, the learning data, and/or the at least one generated report on at least one device and/or at least one remote device.

15. The method of claim 11, further comprising indexing the power level measurements for each frequency interval in a spectrum section in the predetermined period of time.

16. The method of claim 11, wherein the knowledge map comprises an array of normal distributions, wherein each normal distribution corresponds to how often a power level at each frequency has been at a particular level.

17. The method of claim 11, further comprising creating a profile of the RF environment based on the knowledge map, wherein the profile comprises a highest power level at each frequency during the predetermined period of time.

18. The method of claim 11, further comprising displaying the knowledge map and/or the signal data in real time on at least one device and/or at least one remote device.

19. The method of claim 11, further comprising periodically reevaluating the RF environment and updating the knowledge map.

20. The method of claim 11, further comprising sending a notification and/or an alarm to an operator after detecting the at least one signal.