Granted Patent B2

US 12,603,714 · App. 19/259,519 · Granted Apr 14, 2026

Inventors: Ronald C. Dzierwa (Baltimore, MD); Gabriel R. Garcia (Severna Park, MD); Daniel Carbajal (Severna Park, MD)

Assignee: Digital Global Systems, Inc.

H04B17/27G06F17/142G06N5/022G06N20/00H04B1/06H04B17/23H04B17/318H04W16/14H04W28/0236H04W64/006H04B17/3911H04W24/08H04W64/00

Abstract

Claims (64)

1 . A spectrum analysis and management system, comprising:

a radio frequency (RF) receiver; and

at least one processor operable to receive RF data from the RF receiver;

wherein the RF data includes power level measurements;

wherein the at least one processor is operable to detect at least one signal based on matched positive and negative gradients from the RF data;

wherein the at least one processor is operable to average a 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 processor is operable to process the RF data using compressed data for deltas which are differentials from the baseline for signal identification;

wherein the at least one processor is operable to calculate signal degradation data for the at least one signal;

wherein the at least one processor is operable to smooth the spectral sweep based on a first smoothing filter and a second smoothing filter that determine an average of the power level measurements over time;

wherein the second smoothing filter is performed only on frequencies outside at least one frequency range identified by the at least one processor based on at least one change in gradient of the spectral sweep;

wherein the at least one processor is operable to set a sensitivity parameter to determine if the at least one signal is a signal of interest;

wherein the at least one processor is operable to tune the sensitivity parameter based on the RF data;

wherein the signal degradation data is used with environment parameters, noise figure parameters, hardware parameters, and measured terrain data for identifying the at least one signal;

wherein the environment parameters include precipitation, fog, and/or haze;

wherein the hardware parameters include antenna type, orientation, azimuth, gain, and/or equivalent isotropically radiated power (EIRP) for a transmitter associated with the at least one signal; and

wherein the spectrum analysis and management system is operable to reconstruct the at least one signal using the deltas and the baseline.

2 . The spectrum analysis and management system of claim 1 , wherein the at least one processor is operable to determine that one or more of the at least one signal violates a channel plan by detecting an anomalous change in signal power or bandwidth of the one or more of the at least one signal.

3 . The spectrum analysis and management system of claim 1 , further comprising a display for displaying information for at least one signal, operable to receive data from the at least one processor, and wherein the display is operable to provide a visual representation of the at least one signal and the identification of the at least one signal.

4 . The spectrum analysis and management system of claim 1 , wherein the at least one processor is operable to calculate a first derivative of the power level measurements and a second derivative of the power level measurements.

5 . The spectrum analysis and management system of claim 1 , wherein a signal power threshold and a sample frequency range for the at least one signal are user-selectable via a device interface.

6 . The spectrum analysis and management system of claim 1 , wherein the at least one processor is operable to provide signal optimization parameters.

7 . The spectrum analysis and management system of claim 1 , wherein an output of the second smoothing filter is used to de-bias raw signal data.

8 . An apparatus for spectrum analysis and management, comprising:

at least one processor operable to receive radio frequency (RF) data;

wherein the at least one processor is coupled to a memory;

wherein the RF data includes power level measurements;

wherein the at least one processor is operable to detect at least one signal based on matched positive and negative gradients;

wherein the at least one processor is operable to average a 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 processor is operable to process signal data using compressed data for deltas which are differentials from the baseline for signal identification;

wherein the at least one processor is operable to calculate and store signal degradation data in the memory for the at least one signal;

wherein the at least one processor is operable to smooth the spectral sweep based on a first smoothing filter and a second smoothing filter;

wherein the second smoothing filter is performed only on frequencies outside at least one frequency range identified by the at least one processor based on at least one change in gradient of the spectral sweep;

wherein the at least one processor is operable to set a sensitivity parameter to determine if the at least one signal is a signal of interest;

wherein the at least one processor is operable to tune the sensitivity parameter based on the RF data;

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

wherein the memory includes measured terrain data, noise figure parameters, and hardware parameters for use in calculating the signal degradation data for identifying the at least one signal;

wherein the hardware parameters comprise antenna type, orientation, azimuth, gain, and/or equivalent isotropically radiated power (EIRP) for a transmitter associated with the at least one signal; and

wherein the at least one processor is operable to reconstruct the at least one signal using the deltas and the baseline.

9 . The apparatus of claim 8 , further comprising a display for displaying information for at least one signal, operable to receive data from the at least one processor, and wherein the display is operable to provide a visual representation of the at least one signal and the identification of the at least one signal.

10 . The apparatus of claim 8 , wherein the at least one processor is operable to identify location input data and the RF data based upon whether at least one signal parameter of the at least one signal matches any signal parameters in signal characteristic listing data in the memory.

11 . The apparatus of claim 8 , wherein a signal power threshold and a sample frequency range for the at least one signal are user-selectable via a device interface.

12 . The apparatus of claim 8 , wherein the at least one processor is operable to provide signal optimization parameters.

13 . The apparatus of claim 8 , wherein the first smoothing filter and the second smoothing filter are used to de-bias raw signal data.

14 . A spectrum analysis and management system, comprising:

a radio frequency (RF) receiver; and

at least one processor operable to receive RF data from the RF receiver;

wherein the at least one processor is coupled to a memory;

wherein the RF data includes power level measurements;

wherein the at least one processor is operable to detect at least one signal based on matched positive and negative gradients from the RF data;

wherein the at least one processor is operable to average a 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 processor is operable to smooth the spectral sweep with a correction vector to create a smoothed spectral sweep;

wherein the at least one processor is operable to process signal data using compressed data for deltas which are differentials from the baseline for signal identification;

wherein the at least one processor is operable to calculate and store signal degradation data in the memory for the at least one signal;

wherein the memory includes environment parameters, measured terrain data, noise figure parameters, and hardware parameters for use in calculating the signal degradation data for identifying the at least one signal;

wherein the environment parameters include precipitation, fog, and/or haze;

wherein the at least one processor is operable to set a sensitivity parameter to determine if the at least one signal is a signal of interest;

wherein the at least one processor is operable to tune the sensitivity parameter based on feedback from an Event Compositor;

wherein the Event Compositor processes the RF data and records observations about the at least one signal into a database;

wherein the at least one processor is operable to smooth the spectral sweep based on a first smoothing filter and a second smoothing filter;

wherein the second smoothing filter is performed only on frequencies outside at least one frequency range identified by the at least one processor based on at least one change in gradient of the spectral sweep;

wherein the hardware parameters comprise antenna type, orientation, azimuth, gain, and/or equivalent isotropically radiated power (EIRP) for a transmitter associated with the at least one signal; and

wherein the spectrum analysis and management system is operable to reconstruct the at least one signal using the deltas and the baseline.

15 . The spectrum analysis and management system of claim 14 , further comprising a display for displaying information for at least one signal, operable to receive data from the at least one processor, and wherein the display is operable to provide a visual representation of the at least one signal and the identification of the at least one signal.

16 . The spectrum analysis and management system of claim 14 , wherein the at least one processor is operable to classify the at least one signal in near real time or in real time.

Assignments (3)

Continuity (18)

References Cited (400)