Systems, methods, and devices for electronic spectrum management
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04B-003/46
H04B-017/00
출원번호
US-0082930
(2013-11-18)
등록번호
US-8824536
(2014-09-02)
발명자
/ 주소
Garcia, Gabriel R.
Carbajal, Daniel
출원인 / 주소
DGS Global Systems, Inc.
대리인 / 주소
Triangle Patents, PLLC
인용정보
피인용 횟수 :
13인용 특허 :
165
초록▼
Systems, methods, and devices enable spectrum management by identifying, classifying, and cataloging signals of interest based on radio frequency measurements. In an embodiment, signals and the parameters of the signals may be identified and indications of available frequencies may be presented to a
Systems, methods, and devices enable spectrum management by identifying, classifying, and cataloging signals of interest based on radio frequency measurements. In an embodiment, signals and the parameters of the signals may be identified and indications of available frequencies may be presented to a user. In another embodiment, the protocols of signals may also be identified. In a further embodiment, the modulation of signals, data types carried by the signals, and estimated signal origins may be identified.
대표청구항▼
1. A spectrum analysis and management device, comprising: a device within a housing including a radio frequency (RF) receiver coupled with at least one processor, a memory, a display, and a location receiver;wherein the at least one processor is operable to: receive location input data from the loca
1. A spectrum analysis and management device, comprising: a device within a housing including a radio frequency (RF) receiver coupled with at least one processor, a memory, a display, and a location receiver;wherein the at least one processor is operable to: receive location input data from the location receiver and RF energy measurements from the RF receiver, both corresponding to at least one signal of interest;automatically determine a geographic location of the at least one signal of interest based on the received location input data;automatically determine a time associated with the RF energy measurements and convert the received RF energy measurements into spectral representation data;automatically process spectrum power density data a received and process in-phase quadrature (I/O) data by fast parallel adaptive filter processes to generate a power spectrum;analyze the spectral representation data to identify the at least one signal of interest above a power threshold and determine at least one signal parameter of the signal of interest;compare the at least one signal parameter of the at least one signal of interest to signal characteristic listing data in the memory to determine whether the at least one signal parameter of the at least one signal of interest matches corresponding signal parameters in the signal characteristic listing data;wherein the memory further includes hardware parameters, environment parameters and terrain data to calculate signal degradation data for identifying the at least one signal of interest; automatically identify the signal(s) of interest in near real-time for the received location input data and RF energy measurements based upon whether the signal parameter(s) of the signal(s) of interest, in combination with the signal degradation data, matches any signal parameters in the signal characteristic listing data;automatically determine a modulation type, a protocol, and a symbol rate for each of the identified signal(s) of interest;wherein the signal parameter data, the modulation type, the protocol, the symbol rate, the location of the device, and the time associated with the RF energy measurements are automatically stored in a history database in the memory; andwherein the display is operable to provide a visual representation of the signal(s) of interest and the corresponding identification including the signal parameter data, the modulation type, the protocol, the symbol rate, the location of the device, and the time. 2. The spectrum analysis and management device of claim 1, wherein the device is operable to identify a payload scheme associated with the identified at least one signal of interest from the characteristic listing in the memory of the device, based on the determined signal parameter data, the modulation type, the protocol, and the symbol rate; and wherein the device is operable to apply the payload scheme to automatically identify at least one data type communicated by the identified at least one signal of interest. 3. The spectrum analysis and management device of claim 1, wherein the processor is operable to demodulate a portion of payload data to automatically determine whether voice data, video data, and/or text based data is present in the at least one identified signal of interest. 4. The spectrum analysis and management device of claim 1, wherein the RF receiver and processor are configured to sample the received RF data by fast analog down-conversion of the RF signals received, and wherein the down-converted RF signals are automatically digitally converted and processed by fast convolution filters to obtain the power spectrum including translated spectral data including measured values of signal energy, frequency, and time for each of the at least one signal of interest. 5. The spectrum analysis and management device of claim 1, wherein the received or measured data is processed to provide attributes of the at least one signal of interest within a spectrum of interest. 6. The spectrum analysis and management device of claim 1, wherein the power spectrum includes signal power, bandwidth, center frequency, and time of arrival (TOA) measurement data for the signal(s) of interest. 7. The spectrum analysis and management device of claim 1, further including a spectrum analysis module within the housing for evaluating all data to automatically determines the spectral components of each of the at least one signal of interest. 8. The spectrum analysis and management device of claim 7, wherein the spectrum analysis module automatically generates a query to a static database to classify each of the at least one signal of interest based upon its attributes. 9. The spectrum analysis and management device of claim 8, wherein the static database includes information used to automatically determine spectral density, center frequency, bandwidth, baud rate, modulation type, protocol, system or carrier using licensed spectrum, location of the signal source, and timestamp corresponding to the at least one signal of interest. 10. The spectrum analysis and management device of claim 1, further including a multi-core processor for near-real time analysis and identification of the at least one signal of interest. 11. The spectrum analysis and management device of claim 1, wherein the signal power threshold and a frequency range are user-selectable via a device interface. 12. The spectrum analysis and management device of claim 1, wherein the characteristic listing includes protocol data, environment data, and noise data. 13. The spectrum analysis and management device of claim 1, wherein the parallel processing includes determining a mean correlation value of a spectral decomposition of each signal and/or signals mean averaging to analyze the signal data, where more than two signals of interest are detected in a spectrum of interest, to determine if the signals are interrelated. 14. The spectrum analysis and management device of claim 1, wherein parallel processing provides near real-time analysis of a plurality of signal parameters at one time for each of the at least one signal of interest. 15. The spectrum analysis and management device of claim 14, wherein the parallel processing includes cyclic processes that average and correlate information from the at least one signal of interest by extracting the changes associated with the at least one signal of interest. 16. The spectrum analysis and management device of claim 15, wherein the changes include a combination of amplitude and frequency changes that are averaged over bandwidth and time to compute a modulation type, changes in frequency offsets, orthogonal frequency division modulation, changes in time, and/or changes in I/Q phase rotation. 17. The spectrum analysis and management device of claim 15, wherein the changes are stored in the memory of the device. 18. The spectrum analysis and management device of claim 15, wherein the changes are used for automatic analysis of the signal data to determine the identification of the at least one signal of interest in the spectrum of interest. 19. The spectrum analysis and management device of claim 15, wherein the changes are included in the at least one signal parameter. 20. A spectrum analysis and management device comprising: at least one processor and a memory operable for parallel processing by modules included within a device housing, the modules including: a signal detection module including a radio frequency (RF) receiver and a location receiver for receiving signal data;a spectrum analysis module operable to automatically determine the spectral components of at least one signal of interest, and provide them to a data extraction module, which automatically determines modulation type, bandwidth, and protocol information;a spectrum management module operable to automatically generate queries to a static database to classify the at least one signal of interest based upon its spectral components in comparison to static data in the static database, and to historical data stored on the memory;wherein the memory further includes hardware parameters, environment parameters and terrain data to calculate signal degradation data for identifying the at least one signal of interest;a comparison module operable to match data generated by the signal detection module with the historical data, the static data, the signal degradation data, and/or the characteristic listing data; anda modulation module is operable to determine the modulation applied to the at least one signal of interest, including frequency modulation or phase modulation, and to demodulate the at least one signal of interest to identify payload data and identify types of data carried in the signal;the modules configured for receiving, processing, analyzing and comparing the data received from the at least one signal of interest in a spectrum of interest and automatically conducting near-real time analysis for identification of the at least one signal of interest and its modulation and data type, which are stored in the memory. 21. The spectrum analysis and management device of claim 20, wherein the parallel processing provides near real-time analysis of a plurality of signal parameters at one time for each of the at least one signal of interest. 22. The spectrum analysis and management device of claim 20, wherein the parallel processing includes cyclic processes that average and correlate information from the at least one signal of interest by extracting the changes associated with the at least one signal of interest. 23. The spectrum analysis and management device of claim 22, wherein the changes include a combination of amplitude and frequency changes that are averaged over bandwidth and time to determine the modulation type and changes in frequency offsets, orthogonal frequency division modulation, changes in time, and/or changes in I/Q phase rotation. 24. The spectrum analysis and management device of claim 20, further including a multi-core processor for near-real time analysis and identification of the at least one signal of interest. 25. The spectrum analysis and management device of claim 20, wherein the signal detection module is operable to receive signal data and generate signal parameters, including a modulation, a protocol, a symbol timing, and a payload scheme, which are provided to the comparison module for determining the identity of the at least one signal of interest and the corresponding type of payload data. 26. The spectrum analysis and management device of claim 20, wherein the signal parameters include center frequency, bandwidth, power, frequency peak, peak power, average power, and signal duration for the at least one signal of interest. 27. The spectrum analysis and management device of claim 20, wherein the static data includes information used to automatically determine spectral density, center frequency, bandwidth, baud rate, modulation type, protocol, system or carrier using licensed spectrum, location of the signal source, and timestamp corresponding to the at least one signal of interest. 28. The spectrum analysis and management device of claim 20, wherein the changes associated with the at least one signal of interest are stored in the device memory and the changes are used for near real-time processing of the signal data for signal identification. 29. The spectrum analysis and management device of claim 20, wherein the signal identification for the at least one signal of interest includes factors of modulation type, protocol, symbol timing data, frequency repetition interval, and/or type of data being transported in the at least one signal of interest, wherein the type of data is selected from voice, video, and/or text data. 30. The spectrum analysis and management device of claim 20, wherein the signal data received by the RF receiver is automatically transformed into spectral representation data comprises applying a Fast Fourier Transform to the received RF energy measurements, and the spectral representation data comprises I/Q data.
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