Scalable 60 GHz FMCW Frequency-Division Multiplexing MIMO Radar

Henrik Forsten (Corresponding Author), Tero Kiuru, Mervi Hirvonen, Mikko Varonen, Mehmet Kaynak

Research output: Contribution to journalArticleScientificpeer-review

Abstract

In this article, a 60-GHz frequency-modulated continuous-wave (FMCW) multiple-input multiple-output (MIMO) radar system using frequency-division multiplexing for TX signal separation is presented. Four-channel transmitter and receiver chips were designed using 130 nm SiGe process. The total number of TX and RX channels can be scaled by the number of chips in the system while still maintaining phase coherence between the channels. 2-D and 3-D object localization measurements are made with four TX and eight RX channel systems. In the 2-D configuration, the radar system is capable of a 5-cm range resolution and 3.5° angular resolution.

Original languageEnglish
Article number9044629
Pages (from-to)2845-2855
Number of pages11
JournalIEEE Transactions on Microwave Theory and Techniques
Volume68
Issue number7
DOIs
Publication statusPublished - Jul 2020
MoE publication typeA1 Journal article-refereed

Keywords

  • 3-D imaging radar
  • Frequency-division
  • frequency-modulated continuous wave (FMCW) radar
  • mm-wave
  • multiple-input multiple-output (MIMO) radar
  • SiGe

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