Advances in Radio Science
Advances in Radio Science
ARS
Articles | Volume 17
Articles | Volume 17
https://doi.org/10.5194/ars-17-71-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ars-17-71-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 17
19 Sep 2019
 | 19 Sep 2019

Design of leaky-wave antennas with transverse slots for end-fire radiation with optimized radiation efficiency

Thomas Vaupel and Claudius Löcker

Cited articles

Bach, H.: On the downhill method, Commun. ACM, 12, 675–677, 1969. 
Kordiboroujeni, Z. and Bornemann, J.: Designing the Width of Substrate Integrated Waveguide Structures, IEEE Microw. Wirel. Co., 23, 518–520, 2013. 
Kumar, H., Jadhav, R., and Ranade, S.: A Review on Substrate Integrated Waveguide and its Microstrip Interconnect, IOSR Journal of Electronics and Communication Eng. (IOSR-JECE), 3, 36–40, 2012. 
Liu, J. L., Jackson, D. R., and Long. Y.: Modal Analysis of Dielectric-Filled Rectangular Waveguide With Transverse Slots, IEEE Trans. Antennas Prop., 59, 3194–3203, 2011. 
Liu, J. L., Jackson, D. R., and Long, Y.: Substrate Integrated Waveguide (SIW) Leaky-Wave Antenna With Transverse Slots, IEEE Trans. Antennas Prop., 60, 20–29, 2012. 
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Short summary
A substrate integrated waveguide (SIW) replacing a costly rectangular waveguide is used with transverse slots edged in the top cover of the SIW as effective leaky-wave antenna with radiation direction parallel to the antenna (end-fire) until to 60 degree upwards by frequency scanning. The efficiency is optimized by a procedure leading to a 99 per cent efficiency at end-fire. With special feeding and power dividing circuits, a two-branch antenna could be designed with a further improved gain.
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