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System architecture for a compact high range resolution frequency comb OFDM radar

Quint, Alexander 1; Nuß, Benjamin ORCID iD icon 1; Diewald, Axel 1; Zwick, Thomas 1
1 Institut für Hochfrequenztechnik und Elektronik (IHE), Karlsruher Institut für Technologie (KIT)

Abstract:

With increasing demands on resolution and flexibility in current and future radar applications, the focus is moving to digital radar systems such as orthogonal frequency-division multiplexing (OFDM) radars. To achieve high bandwidths and consequently a high range resolution, high sampling rates are needed. To overcome this constraint, an approach called frequency comb OFDM radar has been developed. This paper presents a novel, hardware efficient implementation of such a frequency comb OFDM radar including a novel way of comb generation. Special attention is put on the suppression of unwanted frequency components. Measurements which demonstrate the functionality of the hardware efficient radar system in combination with the frequency comb OFDM technique are presented.


Verlagsausgabe §
DOI: 10.5445/IR/1000161999
Veröffentlicht am 11.09.2023
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Hochfrequenztechnik und Elektronik (IHE)
Publikationstyp Zeitschriftenaufsatz
Publikationsmonat/-jahr 07.2023
Sprache Englisch
Identifikator ISSN: 1759-0787, 1759-0795
KITopen-ID: 1000161999
Erschienen in International Journal of Microwave and Wireless Technologies
Verlag Cambridge University Press (CUP)
Band 15
Heft 6
Seiten 975 – 982
Vorab online veröffentlicht am 03.01.2023
Schlagwörter OFDM radar, radar system design, frequency comb
Nachgewiesen in Web of Science
Scopus
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