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Phase noise mitigation for multistatic FMCW radar sensor networks using carrier transmission

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MWCL_Duerr_2018.pdf (574.4Kb)

peer-reviewed

Erstveröffentlichung
2018-11-13
Authors
Dürr, André
Schweizer, Benedikt
Bechter, Jonathan
Waldschmidt, Christian
Wissenschaftlicher Artikel


Published in
IEEE Microwave and Wireless Components Letters ; 28 (2018), 12. - S. 1143-1145. - ISSN 1531-1309. - eISSN 1558-1764
Link to original publication
https://dx.doi.org/10.1109/LMWC.2018.2878983
Faculties
Fakultät für Ingenieurwissenschaften, Informatik und Psychologie
Institutions
Institut für Mikrowellentechnik
Document version
accepted version
Abstract
For incoherent radar sensor networks, it is desirable to perform both monostatic and bistatic distance measurements. Especially, the bistatic measurements enable to achieve additional information about a target. As for bistatic measurements, different local oscillators are used for system operation, the phase noise (PN) at the receiving (RX) sensor node is uncorrelated to the PN of the transmitter (TX). This effect usually degrades the signal-to-noise ratio for bistatic measurements in comparison to the monostatic measurements. This letter briefly discusses the problem of PN correlation in bistatic distance measurements and proposes a novel system approach that mitigates phase errors between TX and RX oscillators. The proposed concept is mathematically derived and proven with measurements using a radar demonstrator at 77 GHz.
DFG Project THU
binoMIMO / Hochauflösende binokulare MIMO-Millimeterwellen-Radare (binoMIMO) / DFG / 317632307
Subject headings
[GND]: Moduliertes Dauerstrichradar | Millimeterwelle | Multistatisches Radar | Phasenregelkreis | Phasenrauschen
[LCSH]: Radar | Millimeter waves
[Free subject headings]: FMCW radar | Millimeter wave radar | Multistatic radar | Novel radar system | Phase locked loop (PLL) | Phase noise
[DDC subject group]: DDC 620 / Engineering & allied operations
License
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https://oparu.uni-ulm.de/xmlui/license_v3

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DOI & citation

Please use this identifier to cite or link to this item: http://dx.doi.org/10.18725/OPARU-14320

Dürr, André et al. (2019): Phase noise mitigation for multistatic FMCW radar sensor networks using carrier transmission. Open Access Repositorium der Universität Ulm und Technischen Hochschule Ulm. http://dx.doi.org/10.18725/OPARU-14320
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