# US 12,191,925 B2 · Systems and methods for spectrum analysis utilizing signal degradation data > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,191,925 B2 - Document ID: US12191925B2 - Status: Granted - Kind: B2 - Application number: 18/792,113 - Filed: 2024-08-01 - Published: 2024-11-28 - Granted: 2025-01-07 - Earliest claimed: 2013-03-15 - Assignees: Digital Global Systems, Inc. - Applicants: Digital Global Systems, Inc. - Inventors: Gabriel R. Garcia; Daniel Carbajal - Web page: https://patentgrep.com/patent/US12191925B2 ## CPC - H04B 17/27: for locating or positioning the transmitter - H04B 17/23: Indication means, e.g. displays, alarms, audible means - H04B 17/309: Measuring or estimating channel quality parameters - H04B 17/318: Received signal strength - H04W 4/029: Location-based management or tracking services - H04W 16/14: Spectrum sharing arrangements {between different networks} - H04W 24/08: Testing, {supervising or monitoring} using real traffic - H04W 24/10: Scheduling measurement reports {; Arrangements for measurement reports} - 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 72/51: based on terminal or device properties - H04W 72/541: using the level of interference - H04B 17/3911: {Fading models or fading generators} - H04B: TRANSMISSION - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## 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 ### Claim 1 A spectrum analysis system comprising: a radiofrequency (RF) receiver operable to capture RF data including data relating to the at least one signal of interest; and at least one device including a processor and a memory operable to receive and analyze the RF data to identify the at least one signal of interest; wherein the at least one device is operable to determine signal degradation data for the at least one signal of interest; wherein the signal degradation data is used with measured terrain data of geographic locations to perform pattern distortion, generate propagation models, and/or generate next neighbor interference models; wherein the signal degradation data is based on noise figure parameters, hardware parameters, and environmental parameters of the at least one device; and wherein the hardware parameters comprise antenna type, orientation, azimuth, gain, and/or effective isotropic radiated power (EIRP). ### Claim 2 (depends on 1) The system of claim 1, wherein the signal degradation data includes values for free space losses of the at least one signal of interest. ### Claim 3 (depends on 1) The system of claim 1, further comprising an optimization module operable to provide signal optimization parameters. ### Claim 4 (depends on 3) The system of claim 3, wherein the optimization module is operable to provide the signal optimization parameters for center frequency, bandwidth, and/or power. ### Claim 5 (depends on 1) The system of claim 1, wherein the at least one device is operable to compare the data relating to the at least one signal of interest with stored data. ### Claim 6 (depends on 1) The system of claim 1, wherein the at least one device is operable to identify the at least one signal of interest in real-time or near real-time. ### Claim 7 A spectrum analysis system comprising: a radiofrequency (RF) receiver operable to capture RF data including data relating to the at least one signal of interest; and at least one device including a processor and a memory operable to receive and analyze the RF data to identify the at least one signal of interest; wherein the at least one device is operable to determine signal degradation data for the at least one signal of interest; wherein the signal degradation data is used with measured terrain data of geographic locations to perform pattern distortion, generate propagation models, and/or generate next neighbor interference models; wherein the signal degradation data is based on noise figure parameters, hardware parameters, and environmental parameters of the at least one device; wherein the hardware parameters comprise antenna type, orientation, azimuth, gain, and/or effective isotropic radiated power (EIRP); and wherein the environmental parameters comprise rain, fog, and/or haze. ### Claim 8 (depends on 7) The system of claim 7, wherein the signal degradation data includes values for free space losses of the at least one signal of interest. ### Claim 9 (depends on 7) The system of claim 7, further comprising an optimization module operable to provide signal optimization parameters. ### Claim 10 (depends on 9) The system of claim 9, wherein the optimization module is operable to provide the signal optimization parameters for center frequency, bandwidth, and/or power. ### Claim 11 (depends on 7) The system of claim 7, wherein the at least one device is operable to compare the data relating to the at least one signal of interest with stored data. ### Claim 12 (depends on 7) The system of claim 7, wherein the at least one device is operable to identify the at least one signal of interest in real-time or near real-time. ### Claim 13 A method for spectrum analysis, comprising: a radiofrequency (RF) receiver capturing RF data including data relating to the at least one signal of interest; at least one device including a processor and a memory analyzing the RF data to identify the at least one signal of interest; the at least one device determining signal degradation data for the at least one signal of interest; and performing pattern distortion, generating propagation models, and/or generating next neighbor interference models using the signal degradation data and measured terrain data; wherein the signal degradation data is based on noise figure parameters, hardware parameters, and environmental parameters of the at least one device; and wherein the hardware parameters comprise antenna type, orientation, azimuth, gain, and/or effective isotropic radiated power (EIRP). ### Claim 14 (depends on 13) The method of claim 13, wherein the signal degradation data includes values for free space losses of the at least one signal of interest. ### Claim 15 (depends on 13) The method of claim 13, further comprising an optimization module providing signal optimization parameters. ### Claim 16 (depends on 15) The method of claim 15, wherein the optimization module provides the signal optimization parameters for center frequency, bandwidth, and/or power. ### Claim 17 (depends on 13) The method of claim 13, wherein the at least one device identifies the at least one signal of interest in real-time or near real-time. ### Claim 18 (depends on 13) The method of claim 13, wherein the signal degradation data is based on hardware parameters.