Modeling and analysis of the effects of PLL phase noise on FMCW radar performance

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Abstract

The phase noise of a phase-locked loop (PLL) has a great impact on the performance of frequency-modulated continuous-wave (FMCW) radar. To examine the effects of the phase noise on FMCW radar performance, a model of an FMCW radar with a noisy PLL is developed. A filter-based technique for modeling the PLL phase noise is described. The radar model shows that PLL in-band phase noise affects the spatial resolution of the FMCW radar, whereas PLL out-of-band phase noise limits the maximum range. Finally, we propose a set of design constraints for PLL based on the model simulation results.
Original languageEnglish
Title of host publication2017 IEEE International Symposium on Circuits and Systems (ISCAS), 28-31 May 2017, Baltimore, Maryland
Subtitle of host publicationFrom Dreams to Innovation, ISCAS 2017 - Conference Proceedings
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Number of pages4
ISBN (Electronic)978-1-4673-6853-7
ISBN (Print)978-1-5090-1427-9, 978-1-4673-6852-0
DOIs
Publication statusPublished - 25 Sep 2017
Event50th IEEE International Symposium on Circuits and Systems (ISCAS 2017) - Baltimore, United States
Duration: 28 May 201731 May 2017

Conference

Conference50th IEEE International Symposium on Circuits and Systems (ISCAS 2017)
Abbreviated titleISCAS 2017
CountryUnited States
CityBaltimore
Period28/05/1731/05/17

Keywords

  • FMCW radar
  • phase noise
  • phase-locked loop

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    Dhar, D., Zeijl, P. T. M., Milosevic, D., Gao, H., & van Roermund, A. H. M. (2017). Modeling and analysis of the effects of PLL phase noise on FMCW radar performance. In 2017 IEEE International Symposium on Circuits and Systems (ISCAS), 28-31 May 2017, Baltimore, Maryland: From Dreams to Innovation, ISCAS 2017 - Conference Proceedings [8050525] Institute of Electrical and Electronics Engineers. https://doi.org/10.1109/ISCAS.2017.8050525