"JOURNAL OF RADIO ELECTRONICS" (Zhurnal Radioelektroniki ISSN 1684-1719, N 1, 2018

contents of issue       DOI  10.30898/1684-1719-2018-1-8      full text in Russian (pdf)  

Frequency-phase scanning of 2D-periodic slotted antenna arrays on substrate-integrated waveguides with forward and backward leaky waves

 

V. I. Kalinichev 1, A. A. Babaskin 2

1 Kotelnikov Institute of Radioengineering and Electronics of Russian Academy of Sciences, Mokhovaya str. 11-7, Moscow 125009, Russia

2 Bona Venture LLC, Seul, South Korea

 

The paper is received on January 12, 2018

 

Abstract. The propagation and radiation characteristics of forward and backward leaky waves in 2D-periodic printed-circuit arrays on substrate-integrated waveguides with meander-shaped slots are numerically investigated. For finite-size arrays, the matching and radiation characteristics are computed depending on frequency and progressive phase shift between waveguides assuming uniform excitation of all array inputs. Studies show that the achieved scanning sector in the frequency range from 9 to 13 GHz is around 90 in the elevation and 40 -72 in azimuth with the phase shift of 75. It is also shown that at a given frequency and with a change in the phase shift the array beam scans along the surface of an almost circular cone with the angle at its vertex depending on the frequency. This angle varies with frequency change, which ensures the 2D scanning capability of the array. A comparison with the earlier published results is given.

Keywords: leaky-wave antenna, 2D-periodic waveguide slotted array, substrate-integrated waveguide, forward and backward leaky waves, frequency-phase scanning.

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For citation:
V. I. Kalinichev, A. A. Babaskin. Frequency-phase scanning of 2D-periodic slotted antenna arrays on substrate-integrated waveguides with forward and backward leaky waves. Zhurnal Radioelektroniki - Journal of Radio Electronics. 2018. No. 1. Available at http://jre.cplire.ru/jre/jan18/9/text.pdf.

DOI  10.30898/1684-1719-2018-1-8