Passive Synthetic Aperture Radar Imaging Using Commercial OFDM Communication Networks

Abstract

Modern communication systems provide myriad opportunities for passive radar applications. OFDM is a popular waveform used widely in wireless communication networks today. Understanding the structure of these networks becomes critical in future passive radar systems design and concept development. This research develops collection and signal processing models to produce passive SAR ground images using OFDM communication networks. The OFDM-based WiMAX network is selected as a relevant example and is evaluated as a viable source for radar ground imaging. The monostatic and bistatic phase history models for OFDM are derived and validated with experimental single dimensional data. An airborne passive collection model is defined and signal processing approaches are proposed providing practical solutions to passive SAR imaging scenarios. Finally, experimental SAR images using general OFDM and WiMAX waveforms are shown to validate the overarching signal processing concept.

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Document Details

Document Type
Technical Report
Publication Date
Sep 13, 2012
Accession Number
ADA564648

Entities

People

  • Jose R. Gutierrez Del Arroyo

Organizations

  • Air Force Institute of Technology

Tags

Communities of Interest

  • Energy and Power Technologies
  • Ground and Sea Platforms
  • Sensors
  • Space

DTIC Thesaurus Topics

  • 4G Wireless Networks
  • Air Force
  • Communication Channels
  • Communication Networks
  • Communication Systems
  • Compressed Sensing
  • Detectors
  • Doppler Effect
  • Mobile Communications
  • Mobile Phones
  • Modulation
  • Multiple Input Multiple Output
  • Orthogonal Frequency Division Multiplexing
  • Radar
  • Signal Processing
  • Synthetic Aperture Radar
  • Wireless Communications

Fields of Study

  • Engineering

Readers

  • Electromagnetic Wave Scattering and Antenna Radiation Engineering
  • Image Processing and Computer Vision.
  • Radio communications and signal processing.