Embedded meta-carrier with spread spectrum for periodic-burst carriers via overlaid carriers
View Patent ↗A method for identifying the presence of an electronic transmission comprising detecting, by a detecting device, the presence of a burst of electromagnetic energy that results from the presence of an original carrier signal and transmitting, by a transmitting device, a spread spectrum meta-carrier signal within a portion of a bandwidth of the original carrier signal, wherein the meta-carrier signal contains information about the original carrier signal and is transmitted such that the meta-carrier signal occupies at least a portion of a bandwidth of the original carrier signal during the presence of the burst of electromagnetic energy.
1. A method for identifying the presence of an electronic transmission comprising:
detecting, by a detecting device, the presence of a burst of electromagnetic energy that results from the presence of a non-pulsed original carrier signal that comprises data to be transmitted during the presence of the burst of electromagnetic energy that lasts for a duration of time over which all of the data is transmitted prior to terminating the burst of electromagnetic energy; and
transmitting, by a transmitting device, a spread spectrum meta-carrier signal within a portion of a bandwidth of the original carrier signal, wherein the meta-carrier signal contains information about the identity of the non-pulsed original carrier signal and is transmitted such that the meta-carrier signal occupies at least a portion of a bandwidth of the non-pulsed original carrier signal during the presence of the burst of electromagnetic energy while the data of the original carrier signal is transmitted.
2. The method of claim 1 , wherein the non-pulsed original carrier signal is without information as to an identity of the non-pulsed original carrier signal.
3. The method of claim 1 , further comprising detecting, by the detecting device, the presence of multiple bursts of electromagnetic energy that result from the presence of multiple data messages being transmitted by the non-pulsed original carrier signal.
4. The method of claim 1 , wherein the meta-carrier signal occupies the entire bandwidth of the non-pulsed original carrier signal during the presence of each burst of electromagnetic energy.
5. The method of claim 1 , further comprising detecting a center frequency and bandwidth of the non-pulsed original carrier signal.
6. The method of claim 5 , further comprising applying an n th order non-linearity to the non-pulsed original carrier signal.
7. The method of claim 6 , wherein the center frequency and bandwidth of the non-pulsed original carrier signal are detected using a Fourier Transform method.
8. The method of claim 1 , further comprising extracting, using a directional coupler, the presence of the non-pulsed original carrier signal for embedding the meta-carrier signal.
9. The method of claim 5 , further comprising determining a power level of the non-pulsed original carrier signal during the presence of the burst of electromagnetic energy.
10. The method of claim 1 , further comprising muting, using a muting device, output of the meta-carrier signal until transmission is enabled.
11. The method of claim 1 , wherein the meta-carrier signal has a fixed duration that results in the meta-carrier signal occupying a narrow bandwidth within the burst of electromagnetic energy.
12. The method of claim 11 , wherein the meta-carrier signal comprises a number of symbols that is less than a number of symbols that comprises complete meta-data.
13. The method of claim 12 , further comprising detecting multiple bursts wherein the number of symbols of each burst is less than the number of symbols of the complete meta-data.
14. The method of claim 1 , wherein the meta-carrier signal is contained within a 3 dB bandwidth of the burst of electromagnetic energy.
15. The method of claim 1 , wherein the meta-carrier signal extends beyond the bandwidth of the burst of electromagnetic energy.
16. The method of claim 1 , further comprising embedding, using an embedding device and combining the meta-carrier signal with the non-pulsed original carrier signal such that a composite carrier signal results.
17. The method of claim 1 , further comprising:
encoding, using an encoder, the meta-carrier signal;
modulating, using a modulator, the encoded meta-carrier signal received from the encoder;
spreading, using a spreader, the modulated meta-carrier signal; and
combining, using a meta-carrier embedding device, the spread meta-carrier signal and the non-pulsed original carrier signal such that a composite carrier signal results.
18. The method of claim 1 , wherein the meta-carrier signal is a limited duty cycle data sequence comprising a sequence of bits.
19. The method of claim 18 , wherein the sequence of bits comprises a serial number or unique data sequence.
20. The method of claim 1 , further comprising:
outputting stored meta-carrier information as a repeating sequence of bytes; and
identifying the meta carrier using a unique string of bits within the repeating sequence of bytes, the unique string of bits being unique to a transmission site.
21. The method of claim 1 , further comprising embedding, using a directional coupler, the meta-carrier signal within the non-pulsed original carrier signal such that a composite carrier signal results.
22. The method of claim 1 , further comprising storing, by the detecting device, a sequence of data detected during the presence of the burst of electromagnetic energy.
23. The method of claim 22 , further comprising:
determining a time delay to impose such that a beginning of a burst electromagnetic energy is estimated; and
decoding with a decoder, the meta-carrier signal at the beginning of the burst of electromagnetic energy.
24. The method of claim 17 , further comprising:
separating, by a separating device, the composite carrier signal in to the non-pulsed original carrier signal and the spread meta-carrier signal;
despreading, using a despreader, the spread meta-carrier signal;
demodulating, using a demodulator, the despread meta-carrier signal; and
decoding, using a decoder, the demodulated meta-carrier signal.
25. The method of claim 22 , further comprising extracting, using an extraction device, the meta-carrier signal from the burst of electromagnetic energy based on the sequence of data stored relating to a prior burst of electromagnetic energy.
26. The method of claim 22 , further comprising determining whether a meta-carrier signal is present by attempting to extract the meta-carrier signal from the composite carrier signal.
27. The method of claim 22 , further comprising using one or more digital signal processing techniques to iteratively process the composite carrier signal to attempt to extract the meta-carrier signal.
28. A system for identifying the presence of an electronic transmission comprising:
a detecting device that detects a presence of a burst of electromagnetic energy that results in the presence of a non-pulsed original carrier signal that comprises data to be transmitted during the presence of the burst of electromagnetic energy that lasts for a duration of time over which all of the data is transmitted prior to terminating the burst of electromagnetic energy; and
a transmitting device that transmits a spread spectrum meta-carrier signal within a portion of a bandwidth of the non-pulsed original carrier signal, wherein the meta-carrier signal contains information about the identity of the no-pulsed original carrier signal and is transmitted such that the meta-carrier signal occupies at least a portion of a bandwidth of the non-pulsed original carrier signal during the presence of the burst of electromagnetic energy while the data of the non-pulsed original carrier signal is transmitted.
29. The system of claim 28 , wherein the non-pulsed original carrier signal is without information as to an identity of the non-pulsed original carrier signal.
30. The system of claim 28 , wherein the detecting device further detects the presence of multiple bursts of electromagnetic energy that result from the presence of multiple data messages being transmitted by the non-pulsed original carrier signal.
31. The system of claim 28 , wherein the meta-carrier signal occupies the entire bandwidth of the non-pulsed original carrier signal during the presence of each burst of electromagnetic energy.
32. The system of claim 28 , wherein the detecting device detects a center frequency and bandwidth of the non-pulsed original carrier signal.
33. The system of claim 32 , further comprising:
an n th order non-linearity that is applied to the non-pulsed original carrier signal.
34. The system of claim 33 , wherein the center frequency and bandwidth of the non-pulsed original carrier signal are detected using a Fourier Transform method.
35. The system of claim 28 , further comprising a directional coupler that extracts the non-pulsed original carrier signal for embedding the meta-carrier signal.
36. The system of claim 32 , further comprising a receiving device that determines a power level of the non-pulsed original carrier signal during the burst of electromagnetic energy.
37. The system of claim 28 , further comprising a muting device that mutes the output of the meta-carrier until transmission is enabled.
38. The system of claim 28 , wherein the meta-carrier signal has a fixed duration that results in the meta-carrier signal occupying a narrow bandwidth within the burst of electromagnetic energy.
39. The system of claim 38 , wherein the meta-carrier signal comprises a number of symbols that is less than a number of symbols that comprises complete meta-data.
40. The system of claim 39 , further comprising detecting multiple bursts wherein the number of symbols of each burst is less than the number of symbols of the complete meta-data.
41. The system of claim 28 , wherein the meta-carrier signal is contained within a 3 dB bandwidth of the burst of electromagnetic energy.
42. The system of claim 28 , wherein the meta-carrier signal extends beyond the bandwidth of the burst of electromagnetic energy.
43. The system of claim 28 , further comprising an embedding device that embeds and combines the meta-carrier signal with the non-pulsed original carrier signal such that a composite carrier signal results.
44. The system of claim 28 , further comprising:
an encoder that encodes the meta-carrier signal;
a modulator that modulates the encoded meta-carrier signal received from the encoder;
a spreader that spreads the modulated meta-carrier signal; and
a meta-carrier embedding device that combines the spread meta-carrier signal and the non-pulsed original carrier signal such that a composite carrier signal results.
45. The system of claim 28 , wherein the meta-carrier signal is a limited duty cycle data sequence comprising a sequence of bits.
46. The system of claim 45 , wherein the sequence of bits comprises a serial number or unique data sequence.
47. The system of claim 28 , further comprising:
an output device that outputs stored meta-carrier information as a repeating sequence of bits; and
an embedding device that generates the meta-carrier signal as a carrier identification sequence.
48. The system of claim 28 , further comprising a directional coupler that embeds the meta-carrier signal within the non-pulsed original carrier signal such that a composite carrier signal results.
49. The system of claim 28 , wherein the detecting device stores a sequence of data detected during the presence of the burst of electromagnetic energy.
50. The system of claim 49 , further comprising:
a receiving device that determines a time delay to impose such that a beginning of a burst of electromagnetic energy is estimated; and
a decoder that decodes the meta-carrier signal at the beginning of the presence of a burst of electromagnetic energy.
51. The system of claim 49 , further comprising:
a separating device that separates the composite carrier signal in to the non-pulsed original carrier signal and the spread meta-carrier signal;
a despreader that dispreads the spread meta-carrier signal;
a demodulator that demodulates the despread meta-carrier signal; and
a decoder that decodes the demodulated meta-carrier signal.
52. The system of claim 49 , further comprising an extraction device that extracts the meta-carrier signal from the burst of electromagnetic energy based on the sequence of data stored relating to a prior burst of electromagnetic energy.
53. The system of claim 49 , further comprising an extraction device that attempts to extract the meta-carrier signal from the composite carrier signal and determines whether a meta-carrier signal is present.
54. The system of claim 49 , further comprising a digital signal processor that uses one or more digital signal processing techniques to iteratively process the composite carrier signal to attempt to extract the meta-carrier signal.