Surface-wave coupling of active antennas for homodyne sensor systems

Ralph H. Rasshofer; Erwin M. Biebl

doi:10.1109/22.739235

Surface-wave coupling of active antennas for homodyne sensor systems

Ralph H. Rasshofer
, Erwin M. Biebl

Associate Professorship of Very High Frequency Technology

Technical University of Munich

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

In this paper, we present a novel method for significantly enhancing the performance of low-cost millimeter-wavesensor systems based on active integrated antennas. Our method uses the planar active antenna's parasitic surface-wave field as a local-oscillator signal for a mixing rectenna. Compared to a self-mixing active 67-GHz antenna, the surface-wave coupled rectenna receiver shows a considerably improved minimum detectable signal (10 dB lower) and the possibility for high-quality homodyne in-phase/quadrature signal detection. Index Terms- Active antenna, automotive radar, directionsensitive Doppler radar, surface-wave coupling.

Original language	English
Pages (from-to)	2457-2462
Number of pages	6
Journal	IEEE Transactions on Microwave Theory and Techniques
Volume	46
Issue number	12 PART 2
DOIs	https://doi.org/10.1109/22.739235
State	Published - 1998

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abstract = "In this paper, we present a novel method for significantly enhancing the performance of low-cost millimeter-wavesensor systems based on active integrated antennas. Our method uses the planar active antenna's parasitic surface-wave field as a local-oscillator signal for a mixing rectenna. Compared to a self-mixing active 67-GHz antenna, the surface-wave coupled rectenna receiver shows a considerably improved minimum detectable signal (10 dB lower) and the possibility for high-quality homodyne in-phase/quadrature signal detection. Index Terms- Active antenna, automotive radar, directionsensitive Doppler radar, surface-wave coupling.",

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AU - Rasshofer, Ralph H.

AU - Biebl, Erwin M.

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AB - In this paper, we present a novel method for significantly enhancing the performance of low-cost millimeter-wavesensor systems based on active integrated antennas. Our method uses the planar active antenna's parasitic surface-wave field as a local-oscillator signal for a mixing rectenna. Compared to a self-mixing active 67-GHz antenna, the surface-wave coupled rectenna receiver shows a considerably improved minimum detectable signal (10 dB lower) and the possibility for high-quality homodyne in-phase/quadrature signal detection. Index Terms- Active antenna, automotive radar, directionsensitive Doppler radar, surface-wave coupling.

UR - https://www.scopus.com/pages/publications/0032295270

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AN - SCOPUS:0032295270

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JO - IEEE Transactions on Microwave Theory and Techniques

JF - IEEE Transactions on Microwave Theory and Techniques

IS - 12 PART 2

ER -

Surface-wave coupling of active antennas for homodyne sensor systems

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