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Dual-function radar–communications using sidelobe control

Dual-function radar–communications using sidelobe control

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This chapter provides an overview of recent advances in radar-embedded communication signals. Several information-embedding techniques have recently been successful in establishing dual-function systems that simultaneously perform both radar and communication functions. Similarto single-function communication platforms, dual function systems should provide secure communications to protect user signals from being intercepted by other users or unintended receivers. Information embedding into the emission of multiple-input (MIMO) multiple-output radar provides a means for broadcast communications to be secondary to the primary radar function of the dual system.

Chapter Contents:

  • 22.1 Introduction
  • 22.2 System configuration and signal model
  • 22.3 Transmit beampattern synthesis for dual-function systems
  • 22.3.1 Time-modulated array-based synthesis
  • 22.3.2 Convex optimization based design
  • 22.3.3 Beampattern synthesis with minimum disturbance to the radar
  • 22.3.4 Beampattern synthesis with phase control
  • 22.4 Transmit signaling strategies for embedding information
  • 22.4.1 Sidelobe AM-based communications
  • 22.4.2 Multi-waveform sidelobe ASK-based communications
  • 22.4.3 Multi-waveform PSK-based communications
  • 22.4.4 Embedding information into MIMO radar emissions
  • 22.5 Performance analysis
  • 22.5.1 Impact of dual-functionality on radar performance
  • 22.5.2 Bit error rate performance analysis
  • 22.5.3 Simulation results
  • 22.6 Looking ahead: discussion and future directions
  • References

Inspec keywords: telecommunication security; MIMO radar; telecommunication control; radar signal processing; broadcast communication; radiofrequency interference

Other keywords: secure communications; MIMO; unintended receivers; sidelobe control; single-function communication platforms; broadcast communications; dual-function radar-communications; radar-embedded communication signals; primary radar function; Several information-embedding techniques; multiple-input multiple-output radar

Subjects: Electromagnetic compatibility and interference; Radar equipment, systems and applications; Control applications in radio and radar; Data security; Signal processing and detection

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