Systems, methods, and devices for electronic spectrum management for identifying open space

• US 10,797,917 B2
• Filed: 04/12/2019
• Issued: 10/06/2020
• Est. Priority Date: 03/15/2013
• Status: Active Grant

• Current Assignee: Digital Global Systems, Inc.
• Original Assignee: Digital Global Systems, Inc.
• Inventors: Carbajal, Daniel
• Primary Examiner(s): Pezzlo, John
• Application Number:
  US16/382,991
• Publication Number:
  US 20190245722A1
• Time in Patent Office: 543 Days
• Field of Search: 370252, 370329, 370430
• CPC Class Codes: G01S 5/02 using radio waves using satellite radio beacon systems for determining position G01S19/00
• CPC Class Codes: G01S 5/0246 involving frequency difference of arrival or Doppler measurements G01S5/02685 takes precedence
• CPC Class Codes: 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
• CPC Class Codes: H04L 5/023 Multiplexing of multicarrier modulation signals multicarrier modulation H04L27/2601
• CPC Class Codes: H04W 16/14 Spectrum sharing arrangements between different networks
• CPC Class Codes: H04W 24/08 Testing, supervising or monitoring using real traffic
• CPC Class Codes: H04W 48/16 Discovering, processing access restriction or access information
• CPC Class Codes: H04W 64/00 Locating users or terminals or network equipment for network management purposes, e.g. mobility management
• CPC Class Codes: H04W 72/0446 Resources in time domain, e.g. slots or frames
• CPC Class Codes: H04W 72/0453 Resources in frequency domain, e.g. a carrier in FDMA
• CPC Class Codes: H04W 72/0473 the resource being transmission power

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

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 network-based communication with the at least one server;

wherein the at least one apparatus includes a housing, at least one processor, at least one memory, and at least one sensor;

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

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 wireless communication signals in a predetermined region.

3. The system of claim 2, wherein the at least one apparatus is operable to store the information about the open space to the memory on the at least one apparatus, and wherein the information about the open space includes indications of signal activity, power, bandwidth, frequency, duration, time, day, and combinations thereof.

4. 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.

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 predetermined frequencies, user-defined frequencies, and/or ISM bands;

is based upon measured frequency, bandwidth, and 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 database includes stored data, and wherein the stored data includes:

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

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

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

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

changes for the received 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 a modulation type, frequency offset changes, orthogonal frequency division modulation changes, time changes, and/or I/Q phase rotation changes;

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

/or

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

9. The system of claim 8, wherein the stored data is accessible to the at least one apparatus over a network.

10. The system of claim 1, wherein the signal data includes:

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

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

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

/or

changes for the wireless communication 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 a modulation type, frequency offset changes, orthogonal frequency division modulation changes, time changes, and/or I/Q phase rotation changes.

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 network-based communication with the at least one server;

wherein the at least one apparatus includes a housing, at least one processor, at least one memory, 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 wireless communication signals from at least one signal emitting device, thereby creating signal data;

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 wireless communication 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 a housing, at least one processor, at least one memory, and at least one sensor, and wherein the at least one apparatus is in network-based 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;

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 predetermined frequencies, user-defined frequencies, and/or ISM bands;

is based upon measured frequency, bandwidth, and 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 database includes stored data, and wherein the stored data includes:

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

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

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

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

changes for the received 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 a modulation type, frequency offset changes, orthogonal frequency division modulation changes, time changes, and/or I/Q phase rotation changes;

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

/or

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

19. The method of claim 18, further comprising the at least one apparatus accessing the stored data over a network.

20. The method of claim 12, 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 modulation type, protocol data, protocol type, payload scheme, symbol rate, symbol timing data, frequency, frequency repetition interval, data type, bandwidth, source system, source location, bandwidth, time of arrival measurement, frequency peak, power, peak power, average power, and 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 a modulation type, frequency offset changes, orthogonal frequency division modulation changes, time changes, and/or I/Q phase rotation changes.