Highly Separated Automotive Radar Antennas

Cristian Alistarh*, Symon K. Podilchak, John Thompson, Mathini Sellathurai

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution


Automotive radar systems are improving road-user safety by their integration into collision avoidance systems. Often these radar systems need a high probability of detection using superior range and angular resolution. In this paper, the concept of highly separated radar antennas is introduced in the context of automotive radar systems. This novel technique can improve detection accuracy due to the processing gain improvement of the system, reduced antenna inter-element coupling and increased diversity gain by the combination of multiple-input multiple-output (MIMO) antennas at highly separated distances. The diverse spatial scattering reflected from the targets improves the overall response and in this paper results are compared for a 0.5 λ and 45 cm separation for an frequency modulated continuous wave (FMCW) multiple input multiple output (MIMO) antenna system using substrate-integrated waveguide (SIW) receiver antennas.

Original languageEnglish
Title of host publication19th European Radar Conference 2022
Number of pages4
ISBN (Electronic)9782874870712
Publication statusPublished - 20 Dec 2022
Event19th European Radar Conference 2022 - Milan, Italy
Duration: 28 Sept 202230 Sept 2022


Conference19th European Radar Conference 2022
Abbreviated titleEuRAD 2022


  • automotive applications
  • MIMO radar
  • radar antennas
  • radar measurements
  • slot antennas

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Signal Processing
  • Instrumentation


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