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On Entanglement-Assisted Multistatic Radar Techniques.

Ivan B Djordjevic1

  • 1Department of Electrical and Computer Engineering, University of Arizona, 1230 E. Speedway Blvd., Tucson, AZ 85721, USA.

Entropy (Basel, Switzerland)
|July 27, 2022
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Summary
This summary is machine-generated.

We developed a new entanglement-assisted multistatic radar that significantly improves detection performance compared to existing quantum and classical radar systems. This advanced quantum sensing technology offers superior sensitivity in challenging environments.

Keywords:
entanglemententanglement-assisted detectionquantum radarsquantum sensingradars

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Area of Science:

  • Quantum Information Science
  • Quantum Sensing
  • Radar Systems Engineering

Background:

  • Entanglement-based quantum sensors demonstrate enhanced sensitivity, particularly in noisy and lossy conditions, outperforming classical counterparts.
  • Previous research established the superior performance of entanglement-assisted (EA) joint monostatic-bistatic quantum radar over conventional radar systems.

Purpose of the Study:

  • To propose and evaluate a novel entanglement-assisted (EA) multistatic radar system.
  • To demonstrate the performance advantages of the proposed EA multistatic radar over other radar configurations, including EA bistatic, coherent state-based quantum, and classical radars.

Main Methods:

  • The proposed EA multistatic radar utilizes multiple entangled transmitters equipped with transmit-side optical phase conjugation.
  • Coherent detection-based receivers function as entanglement-assisted (EA) detectors.
  • A joint detection scheme is implemented for signal processing.

Main Results:

  • The EA multistatic radar significantly outperforms EA bistatic radar systems.
  • The proposed system shows considerable advantages over coherent state-based quantum radar.
  • Performance improvements are substantial when compared to classical radar systems.

Conclusions:

  • The entanglement-assisted multistatic radar represents a significant advancement in radar technology, offering superior performance.
  • This quantum sensing approach provides a robust solution for detection in challenging environments, surpassing existing methods.