Articles | Volume 23
https://doi.org/10.5194/ars-23-49-2025
https://doi.org/10.5194/ars-23-49-2025
25 Aug 2025
 | 25 Aug 2025

Dual-Frequency SIW Slot Array Antenna for Automotive Radar: configurable FoV, Performance Evaluation, and Tolerance Analysis

Nooshin Feiz, Sadam Hussain Kazimi, Navid Razi, Pedram Ghasemian, Dennis Vollbracht, and Markus Clemens

Cited articles

Aqlan, B., Vettikalladi, H., and Alkanhal, M. A. S.: High gain SIW-based antenna with superstrate for automotive radar applications, in: 2016 Loughborough Antennas & Propagation Conference (LAPC), 2016 Loughborough Antennas & Propagation Conference (LAPC), Loughborough, Leicestershire, UK, 14–15 November 2016, 1–5, https://doi.org/10.1109/LAPC.2016.7807553, 2016. 
Bakhshi, M., Ayatollahi, S. H., and Akbari, M.: Enhancing long-range radar (LRR) automotive applications: Utilizing metasurface structures to improve the performance of K-band Longitudinal Slot Array Antennas, AEU – International Journal of Electronics and Communications, 176, 155134, https://doi.org/10.1016/j.aeue.2024.155134, 2024. 
Bloecher, H.-L., Sailer, A., Rollmann, G., and Dickmann, J.: 79 GHz UWB automotive short range radar – Spectrum allocation and technology trends, Adv. Radio Sci., 7, 61–65, https://doi.org/10.5194/ars-7-61-2009, 2009. 
Chen, X., Hong, W., Zhangcheng Hao, and Wu, K.: Substrate integrated waveguide quasi-elliptic filter using extracted-pole technique, in: 2005 Asia-Pacific Microwave Conference Proceedings, 2005 Asia-Pacific Microwave Conference, Suzhou, China, 4–7 December 2005, 3 pp., https://doi.org/10.1109/APMC.2005.1606318, 2005. 
Elliott, R.: An improved design procedure for small arrays of shunt slots, IEEE T. Antenn. Propag., 31, 48–53, https://doi.org/10.1109/TAP.1983.1143002, 1983. 
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Short summary

Automotive radar systems help vehicles detect objects and improve safety. This research presents a new antenna design that operates at two different frequencies to enhance both detection range and field of view. The design improves radar performance while keeping the system compact and cost-effective. By carefully analyzing the antenna, its reliability is confirmed. This innovation can support advanced driver assistance systems, making future vehicles safer and more efficient.

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