Intra-Pulse Radar Embedded Communication Shannon D Blunt (sdblunt@ittc.ku.edu) Casey Biggs (cbiggs@ittc.ku.edu) - PowerPoint PPT Presentation

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Intra-Pulse Radar Embedded Communication Shannon D Blunt (sdblunt@ittc.ku.edu) Casey Biggs (cbiggs@ittc.ku.edu)

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Shannon D Blunt (sdblunt_at_ittc.ku.edu) Casey Biggs (cbiggs_at_ittc.ku.edu) Communication signals are embedded in the radar back-scatter by means of a RF ... – PowerPoint PPT presentation

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Title: Intra-Pulse Radar Embedded Communication Shannon D Blunt (sdblunt@ittc.ku.edu) Casey Biggs (cbiggs@ittc.ku.edu)


1
Intra-Pulse Radar Embedded CommunicationShannon
D Blunt (sdblunt_at_ittc.ku.edu) Casey Biggs
(cbiggs_at_ittc.ku.edu)
Introduction
  • Communication signals are embedded in the radar
    back-scatter by means of a RF tag/transponder
    lying within the illuminated area of the radar.
  • The communication waveforms are chosen to have a
    low probability of intercept (LPI) while
    maintaining a high data rate.

Figure 2 Symbol error-rate for Dominant
Projection

Radar
Ambient
Illuminating Backscatter
Waveform


RF tag /
Receiver
transponder Figure 1 Radar
System
Current Research
  • Analysis of Waveform Robustness
  • Analyze performance in different radar
    forward-scattering and clutter environments.
  • Determine the effects of multipath signals.
  • Sample rate differences between the tag and the
    receiver
  • Simulate process with real-world radar waveforms
  • Waveform Design
  • Develop a computationally efficient method for
    designing communication symbols on the fly.
  • Alter process to create symbols with lower
    cross-correlation.
  • Establish a general statistical method to
    determine the probability of intercept.

Figure 3 LPI Metric for Dominant
Projection
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