RadChat: Spectrum Sharing for Automotive Radar Interference Mitigation

Canan Aydogdu, Musa Furkan Keskin, Nil Garcia, Henk Wymeersch, Daniel W. Bliss

Research output: Contribution to journalArticlepeer-review

71 Scopus citations


In the automotive sector, both radars and wireless communication are susceptible to interference. However, combining the radar and communication systems, i.e., radio frequency (RF) communications and sensing convergence, has the potential to mitigate interference in both systems. This article analyses the mutual interference of spectrally coexistent frequency modulated continuous wave (FMCW) radar and communication systems in terms of occurrence probability and impact, and introduces RadChat, a distributed networking protocol for mitigation of interference among FMCW based automotive radars, including self-interference, using radar and communication cooperation. The results show that RadChat can significantly reduce radar mutual interference in single-hop vehicular networks in less than 80 ms.

Original languageEnglish (US)
Article number8943325
Pages (from-to)416-429
Number of pages14
JournalIEEE Transactions on Intelligent Transportation Systems
Issue number1
StatePublished - Jan 2021


  • Cooperative radar-communications
  • access protocols
  • interference
  • radar
  • vehicle safety
  • vehicular ad hoc networks

ASJC Scopus subject areas

  • Automotive Engineering
  • Mechanical Engineering
  • Computer Science Applications


Dive into the research topics of 'RadChat: Spectrum Sharing for Automotive Radar Interference Mitigation'. Together they form a unique fingerprint.

Cite this