Method and apparatus for signal detection and jamming
First Claim
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1. Apparatus for multi-band, multi-frequency signal detection and transmission, comprising:
- a multi-band wideband antenna for receiving said signals;
a receiver, connected with said antenna, said receiver comprising;
a plurality of low-noise amplifiers (LNAs);
a DDS driven by a reference source;
a plurality of synthesized down-converters, each of said plurality of down-converters connected with a respective one of said LNAs;
a plurality of synthesized programmable multi-channel phase-locked LOs based on said DDS, wherein each of said plurality of down-converters is connected with a respective one of said synthesized progran-iniable multi-channel LOs and wherein each of said LOs is synchronized with said DDS; and
a synthesized complex I/Q phase-detector comprising an LO, said phase-detector synthesized LO based on said DDS, said phase-detector connected with said down-converters;
a control center comprising;
a powerful DSP;
a memory unit connected with said DSP;
analog-to-digital converter (ADC) connected with said I/Q phase detector and with said DSP;
a plurality of digital-to-analog converters (DACs) connected with said DSP; and
FPGA connected with said DSP and with said plurality of programmable synthesized receiver LOs, said FPGA additionally connected with said DDS for programming controls; and
a multi-band transmitter comprising;
a plurality of synthesized programmable multi-channel transmitters based on said DDS, each of said transmitters synchronized with said DDS and each of said transmitters connected with said FPGA for receiving programming controls; and
a plurality of multi-band wide-band antennae for transmitting.
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Abstract
Apparatus and method for multi-band, multi-frequency signal detection and transmission, comprising a multi-band wideband antenna, a receiver based on a plurality of synthesized down-converters and a plurality of synthesized programmable multi-channel phase-locked LOs, a DDS and a synthesized complex I/Q phase-detector, a control center based on a DSP connected with an ADC, plurality of DACs and an FPGA, and a plurality of synthesized programmable multi-channel transmitters synchronized with the DDS.
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Citations
32 Claims
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1. Apparatus for multi-band, multi-frequency signal detection and transmission, comprising:
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a multi-band wideband antenna for receiving said signals;
a receiver, connected with said antenna, said receiver comprising;
a plurality of low-noise amplifiers (LNAs);
a DDS driven by a reference source;
a plurality of synthesized down-converters, each of said plurality of down-converters connected with a respective one of said LNAs;
a plurality of synthesized programmable multi-channel phase-locked LOs based on said DDS, wherein each of said plurality of down-converters is connected with a respective one of said synthesized progran-iniable multi-channel LOs and wherein each of said LOs is synchronized with said DDS; and
a synthesized complex I/Q phase-detector comprising an LO, said phase-detector synthesized LO based on said DDS, said phase-detector connected with said down-converters;
a control center comprising;
a powerful DSP;
a memory unit connected with said DSP;
analog-to-digital converter (ADC) connected with said I/Q phase detector and with said DSP;
a plurality of digital-to-analog converters (DACs) connected with said DSP; and
FPGA connected with said DSP and with said plurality of programmable synthesized receiver LOs, said FPGA additionally connected with said DDS for programming controls; and
a multi-band transmitter comprising;
a plurality of synthesized programmable multi-channel transmitters based on said DDS, each of said transmitters synchronized with said DDS and each of said transmitters connected with said FPGA for receiving programming controls; and
a plurality of multi-band wide-band antennae for transmitting. - View Dependent Claims (3, 4, 7, 9, 10, 11, 12, 13, 14, 15, 16, 20, 21, 22)
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2. Apparatus for multi-band, multi-frequency signal detection and transmission, comprising:
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a multi-band wideband antenna for receiving said signals;
a receiver, connected with said antenna, said receiver comprising;
a plurality of low-noise amplifiers (LNAs);
a DDS driven by a reference source;
a plurality of synthesized down-converters, each of said plurality of down-converters connected with a respective one of said LNAs;
a plurality of synthesized programmable multi-channel phase-locked LOs based on said DDS, wherein each of said plurality of down-converters is connected with a respective one of said synthesized programmable multi-channel LOs and wherein each of said LOs is synchronized with said DDS; and
a synthesized complex I/Q phase-detector comprising a synthesized LO, said phase-detector synthesized LO based on said DDS, said phase-detector connected with said down-converters;
control center comprising;
a powerful DSP;
a memory unit connected with said DSP;
analog-to-digital converter (ADC) connected with said L/Q phase detector and with said DSP;
a plurality of digital-to-analog converters (DACs) connected with said DSP; and
FPGA connected with said DSP and with said plurality of programmable synthesized receiver LOs, said FPGA additionally connected with said DDS for programming controls; and
a multi-band transmitter comprising;
a plurality of multi-channel free-run VCOs, each of said VCOs connected with a respective one of said DACs for voltage tuning; and
a plurality of multi-band wide-band antennae for transmitting. - View Dependent Claims (5, 6)
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8. Apparatus for multi-band, multi-frequency signal detection, comprising:
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a multi-band wideband antenna for receiving said signals;
a receiver, connected with said antenna, said receiver comprising;
a plurality of low-noise amplifiers (LNAs);
a DDS driven by a reference source;
a plurality of synthesized down-converters, each of said plurality of down-converters connected with a respective one of said LNAs;
a plurality of synthesized programmable multi-channel phase-locked LOs based on said DDS, wherein each of said plurality of down-converters is connected with a respective one of said synthesized programmable multi-channel LOs and wherein each of said LOs is synchronized with said DDS; and
a synthesized complex I/Q phase-detector comprising an LO, said phase-detector LO based on said DDS, said phase-detector connected with said down-converters;
a control center comprising;
a powerful DSP;
a memory unit connected with said DSP;
analog-to-digital converter (ADC) connected with said I/Q phase detector and with said DSP;
a plurality of digital-to-analog converters (DACs) connected with said DSP; and
FPGA connected with said DSP and with said plurality of programmable receiver LOs, said FPGA additionally connected with said DDS for programming controls.
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17. Apparatus for multi-band, multi-frequency signal transmission, comprising:
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a control center comprising;
a powerful DSP;
a memory unit connected with said DSP;
FPGA connected with said DSP;
a DDS driven by a reference source and connected with said FPGA for programming controls; and
a multi-band transmitter, comprising;
a plurality of synthesized programmable multi-channel transmitters based on said DDS, each of said transmitters synchronized with said DDS and each of said transmitters connected with said FPGA for receiving programming controls; and
a plurality of multi-band wide-band antennae for transmitting. - View Dependent Claims (18, 19)
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23. A method of detecting multi-band multi-channel signals, said method comprising the steps of:
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receiving a signal;
down-converting said received signal to a base-band signal, wherein said base-band signal comprises a complex I and Q vector;
converting said I and Q from analog to digital;
processing said digital signal using FFT to locate the signal in the filtered frequency domain, said step of processing comprising the steps of;
dividing said base-band bandwidth into F frequency sub-domains;
repeating said step of dividing for each relevant one of said sub-domains R times; and
following each of said dividing steps, storing information with respect to said digital signal signature. - View Dependent Claims (24, 26, 27, 28)
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25. A method of detecting and transmitting multi-band multi-channel signals of interest, comprising the steps of:
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receiving a signal;
down-converting said received signal to a base-band signal, wherein said base-band signal comprises a complex I and Q vector;
converting said I and Q from analog to digital;
processing said digital signal using FFT to locate the signal in the filtered frequency domain, said step of processing comprising the steps of;
dividing said base-band bandwidth into F frequency sub-domains;
repeating said step of dividing for each relevant one of said sub-domains R times; and
following each of said dividing steps, storing information with respect to said digital signal signature;
using said stored signature for determining whether said signal is one of said signals of interest; and
transmitting a signal, based on said stored signature of said detected signal of interest. - View Dependent Claims (29, 30, 31, 32)
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Specification