Iris-based 2-bit waveguide phase shifters and transmit-array for automotive radar applications
2012 (English)In: Proceedings of 6th European Conference on Antennas and Propagation, EuCAP 2012, IEEE , 2012, 3711-3715 p.Conference paper (Refereed)
Three-pole iris-based bandpass filters are proposed as waveguide phase shifters for automotive applications at 77 GHz. Compared to standard configurations with symmetrical irises, asymmetrical designs have been preferred here in order to minimize technological constraints in the perspective of designing beam steering transmit-array antennas. Here the irises are printed on thin Silicon substrates integrated into a WR-12 metallic waveguide. A 210-element transmit-array antenna is also designed at 77GHz using, as building blocks, four different kinds of phase shifters providing a nearly 2-bit phase quantization in the radiation aperture. The phase shifter design are validated in X-band, and a very good agreement between simulations and measurements has been obtained both in amplitude and phase.
Place, publisher, year, edition, pages
IEEE , 2012. 3711-3715 p.
automotive radar, Phase shifter, phased array, Automotive applications, Automotive radar applications, Beam-steering, Building blockes, Metallic waveguide, Phase quantization, Simulations and measurements, Technological constraints, Thin silicon substrate, Three-pole, Antenna phased arrays, Antennas, Phase shifters, Waveguides, Waveguide filters
Other Electrical Engineering, Electronic Engineering, Information Engineering
IdentifiersURN: urn:nbn:se:kth:diva-100446DOI: 10.1109/EuCAP.2012.6206079ScopusID: 2-s2.0-84862837459ISBN: 978-145770918-0OAI: oai:DiVA.org:kth-100446DiVA: diva2:543631
6th European Conference on Antennas and Propagation, EuCAP 2012; Prague; 26 March 2012 through 30 March 2012
QC 201208092012-08-092012-08-082013-09-16Bibliographically approved