# US 12,224,888 B2 · Systems, methods, and devices for electronic spectrum management for identifying open space > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,224,888 B2 - Document ID: US12224888B2 - Status: Granted - Kind: B2 - Application number: 18/825,699 - Filed: 2024-09-05 - Published: 2024-12-26 - Granted: 2025-02-11 - Earliest claimed: 2013-03-15 - Assignees: Digital Global Systems, Inc. - Applicants: Digital Global Systems, Inc. - Inventors: Daniel Carbajal - Web page: https://patentgrep.com/patent/US12224888B2 ## CPC - H04L 27/0006: {Assessment of spectral gaps suitable for allocating digitally modulated signals, e.g. for carrier allocation in cognitive radio (for spectrum sharing between different networks H04W16/14)} - G01S 5/02: using radio waves (using satellite radio beacon systems for determining position G01S19/00) - G01S 5/02524: {Creating or updating the radio-map} - H04L 5/023: {Multiplexing of multicarrier modulation signals, e.g. multi-user orthogonal frequency division multiple access [OFDMA] (multicarrier modulation H04L27/2601)} - H04W 16/14: Spectrum sharing arrangements {between different networks} - H04W 24/08: Testing, {supervising or monitoring} using real traffic - H04W 48/16: Discovering, processing access restriction or access information - H04W 72/0446: Resources in time domain, e.g. slots or frames - G01S 5/0294: {Trajectory determination or predictive filtering, e.g. target tracking or Kalman filtering} - G01S 5/06: Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements (G01S5/12 takes precedence) - G01S 5/08: Position of single direction-finder fixed by determining direction of a plurality of spaced sources of known location - H04W 64/00: Locating users or terminals {or network equipment} for network management purposes, e.g. mobility management - H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA - H04W 72/0473: {the resource being transmission power} - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - G01S: RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract Systems, methods, and apparatus are provided for automated identification of open space in a wireless communications spectrum, by identifying sources of signal emission in the spectrum by automatically detecting signals, analyzing signals, comparing signal data to historical and reference data, creating corresponding signal profiles, and determining information about the open space based upon the measured and analyzed data in near real-time. ## Claims ### Claim 1 An apparatus for identifying open space in an electromagnetic spectrum comprising: at least one processor; and at least one memory; wherein the apparatus is operable to receive signal data of at least one signal measured by a sensor; and wherein the apparatus is operable to analyze the signal data to identify the open space in the electromagnetic spectrum; and wherein the apparatus is further operable to calculate a percent activity associated with identified open space on predetermined frequencies, user-defined frequencies, and/or Industrial, Scientific, and Medical (ISM) bands. ### Claim 2 (depends on 1) The apparatus of claim 1, wherein the identification of the open space is automated. ### Claim 3 (depends on 1) The apparatus of claim 1, wherein the identification of the open space is based upon the predetermined frequencies, the user-defined frequencies, and/or the ISM bands. ### Claim 4 (depends on 1) The apparatus of claim 1, wherein the identification of the open space occurs in near-real time or real time. ### Claim 5 (depends on 1) The apparatus of claim 1, wherein the apparatus is further configured to detect interference in the electromagnetic spectrum based on the signal data. ### Claim 6 An apparatus for identifying open space in an electromagnetic spectrum comprising: at least one processor; and at least one memory; wherein the apparatus receives measured signal data of at least one signal; wherein the signal data includes energy measurements of the at least one signal, at least one parameter of the at least one signal, and/or at least one change for the at least one signal; and wherein the apparatus is operable to analyze the signal data to identify at least one open space in the electromagnetic spectrum; and wherein the apparatus is further operable to calculate a percent activity associated with the at least one open space on predetermined frequencies, user-defined frequencies, and/or Industrial, Scientific, and Medical (ISM) bands. ### Claim 7 (depends on 6) The apparatus of claim 6, wherein the apparatus is further configured to detect interference in the electromagnetic spectrum based on the signal data. ### Claim 8 (depends on 6) The apparatus of claim 6, wherein the identification of the at least one open space occurs in near-real time or real time and/or is automated. ### Claim 9 A method for identifying open space in an electromagnetic spectrum comprising: at least one apparatus including a processor and a memory receiving signal data from at least one remote sensor over a network or the at least one apparatus creating the signal data using at least one integrated sensor; the at least one apparatus analyzing the signal data to identify at least one open space; and calculating a percent activity associated with the at least one open space on predetermined frequencies, user-defined frequencies, and/or Industrial, Scientific, and Medical (ISM) bands; wherein the signal data includes energy measurements of at least one signal, at least one parameter of the at least one signal, and/or at least one change for the at least one signal. ### Claim 10 (depends on 9) The method of claim 9, wherein the signal data is generated by the at least one apparatus sensing and measuring signals transmitted from at least one signal emitting device in the wireless communications spectrum. ### Claim 11 (depends on 9) The method of claim 9 wherein the identification of the at least one open space is automated. ### Claim 12 (depends on 9) The method of claim 9, wherein the identification of the at least one open space is based upon the predetermined frequencies, the user-defined frequencies, and/or the ISM bands. ### Claim 13 (depends on 9) The method of claim 9, wherein the identification of the at least one open space is displayed or visually indicated, in whole or in part, by the at least one apparatus. ### Claim 14 (depends on 9) The method of claim 9, wherein the identification of the at least one open space occurs in near-real time or real time. ### Claim 15 (depends on 9) The method of claim 9, further comprising detecting interference in the electromagnetic spectrum based on the signal data. ### Claim 16 (depends on 9) The method of claim 9, wherein the at least one open space includes unused space or unlicensed spectrum. ### Claim 17 (depends on 9) The method of claim 9, wherein the at least one open space includes white space.