A 79-GHz 2 × 2 MIMO PMCW Radar SoC in 28-nm CMOS

Davide Guermandi, Qixian Shi, Andy Dewilde, Veerle Derudder, Ubaid Ahmad, Annachiara Spagnolo, Ilja Ocket, Andre Bourdoux, Piet Wambacq, Jan Craninckx, Wim Van Thillo

Research output: Contribution to journalArticlepeer-review

116 Scopus citations

Abstract

In this paper, the concept of phase modulated MIMO radars is explained and demonstrated with a 28-nm CMOS fully integrated 79-GHz radar SoC. It includes two transmitters, two receivers, and the mm-wave frequency generation. The receivers' outputs are digitized by on-chip ADCs and processed by a custom designed digital core, which performs correlation and accumulation with a pseudorandom sequence used in transmission. The SoC consumes 1 W to achieve 7.5 cm range resolution. A module with antennas allows for 5° resolution over ±60° elevation and azimuth scan in 2 × 2 code domain MIMO operation. A 4 × 4 MIMO system is also demonstrated by means of two SoCs mounted on the same module.

Original languageBritish English
Article number7997699
Pages (from-to)2613-2626
Number of pages14
JournalIEEE Journal of Solid-State Circuits
Volume52
Issue number10
DOIs
StatePublished - Oct 2017

Keywords

  • 79-GHz radar
  • automotive radar
  • CMOS
  • continuous wave radar
  • MIMO radar
  • mm-wave radar
  • phase modulated continuous wave (PMCW) radar
  • phase modulated radar
  • short range radar

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