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A 77-GHz FMCW MIMO Radar Based on an SiGe Single-Chip Transceiver

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6 Author(s)
Feger, R. ; Christian Doppler Lab. for Integrated Radarsensors, Johannes Kepler Univ., Linz ; Wagner, C. ; Schuster, S. ; Scheiblhofer, S.
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This paper describes a novel frequency-modulated continuous-wave radar concept, where methods like nonuniform sparse antenna arrays and multiple-input multiple-output techniques are used to improve the angular resolution of the proposed system. To demonstrate the practical feasibility using standard production techniques, a prototype sensor using a novel four-channel single-chip radar transceiver in combination with differential patch antenna arrays was realized on off-the-shelf RF substrate. Furthermore, to demonstrate its practical applicability, the assembled system was tested in real world measurement scenarios in conjunction with the presented efficient signal processing algorithms.

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Microwave Theory and Techniques, IEEE Transactions on  (Volume:57 ,  Issue: 5 )