A High Precision Reconfigureable Bistatic Interferometric Radar with Integrated Six-port Receiver at 60 GHz

Matthias Voelkel, Sebastian Mann, Martin Frank, Robert Weigel, Amelie Hagelauer

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

In this paper a 60 GHz bistatic reconfigureable six-port radar for high precision measuring is presented. The front-end is designed in a substrate-integrated waveguide technology including coupler, attenuator and transmission lines. The core of the front-end is a integrated six-port receiver MMIC including the passive six-port structure, a LNA and four detectors. It has been designed using a 0.13 μm SiGe BiCMOS process. A BGT60, stabilized by a PLL-circuit, generates the transmit signal for vivaldi antennas. The system includes also a baseband circuit with adjustable differential amplifier, 24 bit@52kSa/s ADC converter for signal sampling and DAC converter for gain and attenuation tuning. Furthermore, the stacked system is directly connected to a FPGA board. A full NIOS2 system is set up to control the radar and send the collected data via ethernet to the PC. C++ software is written to configure the system in an easy comfortable way and to visualize the measured data. Measurements show, that the radar works in a range up to five meter. The maximum distance deviation at 1 m is 30 μm and the standard deviation is 12.6 μm.

Original languageEnglish
Title of host publicationGeMiC 2019 - 2019 German Microwave Conference
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages48-50
Number of pages3
ISBN (Electronic)9783982039701
DOIs
StatePublished - 23 Apr 2019
Externally publishedYes
Event12th German Microwave Conference, GeMiC 2019 - Stuttgart, Germany
Duration: 25 Mar 201927 Mar 2019

Publication series

NameGeMiC 2019 - 2019 German Microwave Conference

Conference

Conference12th German Microwave Conference, GeMiC 2019
Country/TerritoryGermany
CityStuttgart
Period25/03/1927/03/19

Keywords

  • FPGA
  • bistatic
  • integrated receiver
  • interferometry
  • millimeter wave circuits
  • radar systems
  • six-port
  • substrate-integrated waveguide (SIW)

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