Holographic ranging apparatus and methods
First Claim
1. Radio frequency apparatus adapted to holographically encode baseband data and transmit said encoded data;
- wherein said encoded data can be used by a receiver to determine at least one physical parameter associated with said apparatus.
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0 Petitions
Accused Products
Abstract
Improved apparatus and methods for utilizing holographic waveforms for a variety of purposes including communication, ranging, and detection. In one exemplary embodiment, the holographic waveforms are transmitted over an RF bearer medium to provide, inter alia, highly covert communications, ranging, radar systems, and microwave data links. The bearer (i.e., carrier) is optionally frequency-hopped, and various pulse modulation techniques applied in order to further increase communications efficiency and covertness. Methods and apparatus for ranging (as well as determining relative velocity and acceleration) using inherent characteristics of the holographic waveforms are also disclosed.
54 Citations
21 Claims
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1. Radio frequency apparatus adapted to holographically encode baseband data and transmit said encoded data;
wherein said encoded data can be used by a receiver to determine at least one physical parameter associated with said apparatus. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 17, 18)
- 10. Radio frequency apparatus adapted to receive and decode holographically encoded signals, said apparatus being further adapted to utilize said received and decoded signals to determine at least one physical parameter associated with a transmitter that transmitted said encoded signals.
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19. A method of determining the distance to a transmitter using holographically encoded signals, comprising:
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receiving said signals from said transmitter at a receiver;
decoding said signals to produce a baseband power spectrum, said baseband power spectrum comprising at least one artifact; and
using said at least one artifact to determine said distance. - View Dependent Claims (20, 21)
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Specification