IP Library Granted Patent US 12,615,098
Granted Patent B2
US 12,615,098 · App. 19/391,459 · Granted Apr 28, 2026

Systems and methods for spectrum analysis utilizing signal degradation data

Inventors: Gabriel R. Garcia (Severna Park, MD); Daniel Carbajal (Severna Park, MD)
Assignee: Digital Global Systems, Inc.
H04B17/27H04B17/23H04B17/309H04B17/318H04W4/029H04W16/14H04W24/08H04W24/10H04W64/006H04W72/0446H04W72/0453H04W72/51H04W72/541H04B17/3911
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Quick Facts
Patent No.
US 12,615,098
App. No.
19/391,459
Granted
Apr 28, 2026
Kind
B2
Abstract

Methods for tracking a signal origin by a spectrum analysis and management device are disclosed. Signal characteristics of other known emitters are used for obtaining a position of an emitter of a signal of interest. In one embodiment, frequency difference of arrival technique is implemented. In another embodiment, time difference of arrival technique is implemented.

Claims (33)

1 . A spectrum analysis system comprising:

at least one device including a processor and a memory configured to receive and analyze radiofrequency (RF) data including data relating to at least one signal; and

a data extraction module configured to receive spectral components of the at least one signal;

wherein the data extraction module is configured to determine a modulation type and/or a protocol based on the spectral components;

wherein the at least one device is configured to determine signal degradation data for the at least one signal and the at least one device is further configured to perform pattern distortion, generate propagation models and generate next neighbor interference models using the signal degradation data and measured terrain data of geographic locations; and

wherein the data extraction module is further configured to compare the spectral components of the at least one signal to previously stored signals in a database and store a match in the database when the comparison is positive and display an indication of a new unidentified signal when no match is found.

2 . The system of claim 1 , wherein the signal degradation data includes values for free space losses of the at least one signal.

3 . The system of claim 1 , further comprising an optimization module operable to provide signal optimization parameters.

4 . The system of claim 3 , wherein the optimization module is configured to provide the signal optimization parameters for center frequency, bandwidth, and/or power.

5 . The system of claim 1 , wherein the at least one device is configured to compare the data relating to the at least one signal with stored data.

6 . The system of claim 1 , wherein the at least one device is configured to identify the at least one signal in real-time or near real-time.

7 . A spectrum analysis apparatus comprising:

at least one device including a processor and a memory configured to receive and analyze radiofrequency (RF) data of at least one signal; and

a data extraction module configured to compare spectral components of the at least one signal to previously stored signals in a database and store a match in the database when the comparison is positive and display an indication of a new unidentified signal when no match is found;

wherein the data extraction module is further configured to determine a modulation type and/or a protocol based on the spectral components;

wherein the at least one device is configured to determine signal degradation data for the at least one signal based on environmental parameters, including rain, fog, and/or haze, and/or hardware parameters of at least one second device emitting the at least one signal, including antenna type, orientation, azimuth, gain, and/or effective isotropic radiated power (EIRP); and

wherein the at least one device is configured to perform pattern distortion, generate propagation models and generate next neighbor interference models using the signal degradation data and measured terrain data of geographic locations.

8 . The apparatus of claim 7 , wherein the signal degradation data includes values for free space losses of the at least one signal.

9 . The apparatus of claim 7 , further comprising an optimization module configured to provide signal optimization parameters.

10 . The apparatus of claim 9 , wherein the optimization module is configured to provide the signal optimization parameters for center frequency, bandwidth, and/or power.

11 . The apparatus of claim 7 , wherein the at least one device is operable to identify the at least one signal in real-time or near real-time.

12 . A method for spectrum analysis, comprising:

analyzing by at least one device including a processor and a memory, radio frequency (RF) data to identify at least one signal;

receiving by a data extraction module, spectral components of the at least one signal;

determining, by the data extraction module, a modulation type and/or a protocol based on the spectral components;

determining by the at least one device, signal degradation data for the at least one signal;

performing pattern distortion, generating propagation models and generating next neighbor interference models using the signal degradation data and measured terrain data of geographic locations; and

comparing, by the data extraction module, the spectral components of the at least one signal to previously stored signals in a database, storing a match in the database when the comparison is positive, and displaying an indication of a new unidentified signal when no match is found.

13 . The method of claim 12 , wherein the signal degradation data includes values for free space losses of the at least one signal.

14 . The method of claim 12 , further comprising an optimization module providing signal optimization parameters.

15 . The method of claim 14 , further comprising providing by the optimization module, the signal optimization parameters for center frequency, bandwidth, and/or power.

16 . The method of claim 12 , wherein the signal degradation data is further based on hardware parameters, wherein the hardware parameters comprise antenna type, orientation, azimuth, gain, and/or effective isotropic radiated power (EIRP).

17 . The method of claim 12 , wherein the RF data includes a location from which the at least one signal is emitted.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 17, 2025
From: CARBAJAL, DANIEL; GARCIA, GABRIEL R.
To: DIGITAL GLOBAL SYSTEMS, INC.
Reel/Frame 072930/0622 →
Continuity (17)
Continuation 19286910 · Jul 31, 2025
Continuation 19077675 · Mar 12, 2025
Continuation 18955234 · Nov 21, 2024
Continuation 18792113 · Aug 1, 2024
Continuation 18434178 · Feb 6, 2024
Continuation 18374385 · Sep 28, 2023
Continuation 18137785 · Apr 21, 2023
Continuation 18082210 · Dec 15, 2022
Continuation 17569984 · Jan 6, 2022
Continuation 16751887 · Jan 24, 2020
Continuation 16395987 · Apr 26, 2019
Continuation 16002751 · Jun 7, 2018
Continuation 15228325 · Aug 4, 2016
Continuation 14743011 · Jun 18, 2015
Continuation 13912893 · Jun 7, 2013
Provisional Application 61789758 · Mar 15, 2013
Related Publication 20260074807A1 · Mar 12, 2026
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