Granted Patent B2

US 11,646,918 · App. 17/989,265 · Granted May 9, 2023

Inventor: Daniel Carbajal (Severna Park, MD)

Assignee: DIGITAL GLOBAL SYSTEMS, INC.

H04L27/0006G01S5/02H04L5/023H04W16/14H04W24/08H04W48/16H04W72/0446H04W64/00H04W72/0453H04W72/0473

Abstract

Claims (71)

1. A system for identifying open space in a wireless communications spectrum comprising:

at least one server, wherein the at least one server includes a database and at least one processor;

at least one apparatus, wherein the at least one apparatus is in communication with the at least one server;

wherein the at least one apparatus includes at least one processor and at least one sensor;

wherein the at least one apparatus is operable to sense and measure signals from at least one signal emitting device, thereby creating signal data;

wherein the signal data includes:

in-phase and quadrature (I/Q) data of the signals;

energy measurements of the signals and a time associated with the energy measurements;

at least one parameter of the signals, the at least one parameter including at least one of a modulation type, protocol data, a protocol type, a payload scheme, a symbol rate, symbol timing data, a frequency, a frequency repetition interval, a data type, a bandwidth, a source system, a source location, a time of arrival measurement, a frequency peak, a power, a peak power, an average power, and a duration; and/or

changes for the signals, the changes including at least one of a combination of amplitude changes and frequency changes that are averaged over bandwidth and time to compute the modulation type, frequency offset changes, orthogonal frequency division modulation changes, time changes, and/or I/Q phase rotation changes;

wherein the at least one apparatus is operable to transmit the signal data to the at least one server; and

wherein the at least one server is operable to analyze the signal data to identify the open space, and to calculate a percent activity associated with identified open space on predetermined frequencies, user-defined frequencies, and/or Industrial, Scientific, and Medical (ISM) bands.

2. The system of claim 1 , wherein the system includes a multiplicity of the at least one apparatus distributed in spaced apart locations for sensing and measuring the signals in a predetermined region.

3. The system of claim 1 , wherein the at least one server is operable to transmit information about the open space to the at least one apparatus.

4. The system of claim 1 , wherein the at least one apparatus is operable to store information about the open space to at least one memory on the at least one apparatus, and wherein the information about the open space includes indications of signal activity, the power, the bandwidth, the frequency, the duration, the time, a day, and combinations thereof.

5. The system of claim 1 , wherein the at least one apparatus is operable for automatically scanning the wireless communications spectrum for an allotted amount of time between about 15 minutes to about 30 days.

6. The system of claim 1 , wherein the at least one apparatus is operable for automatically scanning the wireless communications spectrum, wherein a default scan includes a frequency span between about 54 MHz and about 804 MHz, an ISM scan between about 900 MHz and about 2.5 GHz, an ISM scan between about 5 GHz and about 5.8 GHz, and/or an inputted frequency range.

7. The system 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;

is based upon the frequency, the bandwidth, and the duration;

is displayed or visually indicated, in whole or in part, by the at least one apparatus; and/or

is accurate to a predetermined degree of confidence, the predetermined degree of confidence being between about 80 and about 100 percent or between about 80 and about 95 percent.

8. The system of claim 1 , wherein the identification of the open space occurs in near-real time.

9. The system of claim 1 , wherein the database includes stored data, and wherein the stored data includes:

the signal data;

a characteristic listing for at least one signal group, the characteristic listing including at least one of the protocol data, environment data, and noise data;

information used to determine a spectral density, a center frequency, the bandwidth, a baud rate, the modulation type, the protocol type, a system or a carrier using licensed spectrum, a signal source location, and a timestamp corresponding to the signals; and/or

indications of a signal activity, the power, the bandwidth, the frequency, the duration, the time, a day, and/or combinations thereof relating to the open space.

10. The system of claim 9 , wherein the stored data is accessible to the at least one apparatus over a network.

11. A system for identifying open space in a wireless communications spectrum comprising:

at least one server, wherein the at least one server includes a database and at least one processor;

at least one apparatus, wherein the at least one apparatus is in communication with the at least one server;

wherein the at least one apparatus includes at least one processor and at least one sensor;

wherein the at least one apparatus is operable to scan a frequency range, wherein the scan includes a default scan between about 54 MHz and about 804 MHz, an Industrial, Scientific, and Medical (ISM) scan between about 900 MHz and about 2.5 GHz, an ISM scan between about 5 GHz and about 5.8 GHz, and/or a scan where the frequency range is an inputted frequency range;

wherein the at least one apparatus is operable to sense and measure signals from at least one signal emitting device, thereby creating signal data;

wherein the signal data includes:

in-phase and quadrature (I/Q) data of the signals;

energy measurements of the signals and a time associated with the energy measurements;

at least one parameter of the signals, the at least one parameter including at least one of a modulation type, protocol data, a protocol type, a payload scheme, a symbol rate, symbol timing data, a frequency, a frequency repetition interval, a data type, a bandwidth, a source system, a source location, a time of arrival measurement, a frequency peak, a power, a peak power, an average power, and a duration; and/or

changes for the signals, the changes including at least one of a combination of amplitude changes and frequency changes that are averaged over bandwidth and time to compute the modulation type, frequency offset changes, orthogonal frequency division modulation changes, time changes, and/or I/Q phase rotation changes;

wherein the at least one apparatus is operable to transmit the signal data to the at least one server;

wherein the at least one server is operable to analyze the signal data to identify the open space, and to calculate a percent activity associated with identified open space on predetermined frequencies, user-defined frequencies, and/or ISM bands; and

wherein the system includes a multiplicity of the at least one apparatus distributed in spaced apart locations for sensing and measuring the signals in a predetermined region.

12. A method for identifying open space in a wireless communications spectrum comprising:

providing at least one server, wherein the at least one server includes a database and at least one processor;

providing at least one apparatus, wherein the at least one apparatus includes at least one processor and at least one sensor, and wherein the at least one apparatus is in communication with the at least one server;

the at least one apparatus sensing and measuring signals transmitted from at least one signal emitting device in the wireless communications spectrum, thereby creating signal data;

wherein the signal data includes:

in-phase and quadrature (I/Q) data of the signals;

energy measurements of the signals and a time associated with the energy measurements;

at least one parameter of the signals, the at least one parameter including at least one of a modulation type, protocol data, a protocol type, a payload scheme, a symbol rate, symbol timing data, a frequency, a frequency repetition interval, a data type, a bandwidth, a source system, a source location, a time of arrival measurement, a frequency peak, a power, a peak power, an average power, and a duration; and/or

changes for the signals, the changes including at least one of a combination of amplitude changes and frequency changes that are averaged over bandwidth and time to compute the modulation type, frequency offset changes, orthogonal frequency division modulation changes, time changes, and/or I/Q phase rotation changes;

the at least one apparatus transmitting the signal data to the at least one server;

the at least one server analyzing the signal data to identify the open space; and

the at least one server calculating a percent activity associated with identified open space on predetermined frequencies, user-defined frequencies, and/or Industrial, Scientific, and Medical (ISM) bands.

13. The method of claim 12 , wherein the system includes a multiplicity of the at least one apparatus distributed in spaced apart locations for sensing and measuring the signals in a predetermined region.

14. The method of claim 12 , further comprising the at least one server transmitting information about the open space to one or more of the at least one apparatus.

15. The method of claim 12 , further comprising the at least one apparatus automatically scanning the wireless communications spectrum for an allotted amount of time between about 15 minutes to about 30 days.

16. The method of claim 12 , further comprising the at least one apparatus automatically scanning the wireless communications spectrum, wherein a default scan includes a frequency span between about 54 MHz and about 804 MHz, an ISM scan between about 900 MHz and about 2.5 GHz, an ISM scan between about 5 GHz and about 5.8 GHz, and/or an inputted frequency range.

17. The method of claim 12 , wherein the identification of the open space:

is based upon the predetermined frequencies, the user-defined frequencies, and/or the ISM bands;

is based upon the frequency, the bandwidth, and the duration;

is displayed or visually indicated, in whole or in part, by the at least one apparatus; and/or

is accurate to a predetermined degree of confidence, the predetermined degree of confidence being between about 80 and about 100 percent or between about 80 and about 95 percent.

18. The method of claim 12 , wherein the identification of the open space occurs in near-real time.

19. The method of claim 12 , wherein the database includes stored data, and wherein the stored data includes:

the signal data;

a characteristic listing for at least one signal group, the characteristic listing including at least one of the protocol data, environment data, and noise data;

information used to determine spectral density, a center frequency, the bandwidth, baud rate, modulation type, protocol, system or carrier using licensed spectrum, a signal source location, and a timestamp corresponding to the signals; and/or

indications of a signal activity, the power, the bandwidth, the frequency, the duration, the time, a day, and/or combinations thereof relating to the open space.

20. The method of claim 19 , further comprising the at least one apparatus accessing the stored data over a network.

Assignments (1)

Continuity (17)