Miniaturized 122 GHz ISM Band FMCW Radar with Micrometer Accuracy

S. Scherr, B. Göttel, S. Ayhan, A. Bhutani, M. Pauli, W. Winkler, C. Scheytt, T. Zwick, in: European Microwave Week 2015, Palais dés Congres, Paris, France, 2015.

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In this paper, a miniaturized 122 GHz ISM band FMCW radar is used to achieve micrometer accuracy. The radar consists of a SiGe single chip radar sensor and LCP off-chip antennas. The antennas are integrated in a QFN package. To increase the gain of the radar, an additional lens is used. A combined frequency and phase evaluation algorithm provides micrometer accuracy. The influence of the lens phase center on the beat frequency phase and hence, the overall accuracy is shown. Furthermore, accuracy limitations of the radar system over larger measurement distances are investigated. Accuracies of 200 μm and 2 μm are achieved over a distance of 1.9 m and 5 mm, respectively.
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European Microwave Week 2015
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Scherr S, Göttel B, Ayhan S, et al. Miniaturized 122 GHz ISM Band FMCW Radar with Micrometer Accuracy. In: European Microwave Week 2015. ; 2015. doi:10.1109/EuRAD.2015.7346291
Scherr, S., Göttel, B., Ayhan, S., Bhutani, A., Pauli, M., Winkler, W., Scheytt, C., & Zwick, T. (2015). Miniaturized 122 GHz ISM Band FMCW Radar with Micrometer Accuracy. European Microwave Week 2015. https://doi.org/10.1109/EuRAD.2015.7346291
@inproceedings{Scherr_Göttel_Ayhan_Bhutani_Pauli_Winkler_Scheytt_Zwick_2015, place={Palais dés Congres, Paris, France}, title={Miniaturized 122 GHz ISM Band FMCW Radar with Micrometer Accuracy}, DOI={10.1109/EuRAD.2015.7346291}, booktitle={European Microwave Week 2015}, author={Scherr, Steffen and Göttel, Benjamin and Ayhan, Serdal and Bhutani, Akanksha and Pauli, Mario and Winkler, Wolfgang and Scheytt, Christoph and Zwick, Thomas}, year={2015} }
Scherr, Steffen, Benjamin Göttel, Serdal Ayhan, Akanksha Bhutani, Mario Pauli, Wolfgang Winkler, Christoph Scheytt, and Thomas Zwick. “Miniaturized 122 GHz ISM Band FMCW Radar with Micrometer Accuracy.” In European Microwave Week 2015. Palais dés Congres, Paris, France, 2015. https://doi.org/10.1109/EuRAD.2015.7346291.
S. Scherr et al., “Miniaturized 122 GHz ISM Band FMCW Radar with Micrometer Accuracy,” 2015, doi: 10.1109/EuRAD.2015.7346291.
Scherr, Steffen, et al. “Miniaturized 122 GHz ISM Band FMCW Radar with Micrometer Accuracy.” European Microwave Week 2015, 2015, doi:10.1109/EuRAD.2015.7346291.

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