Planar single-layer leaky-wave antenna array

Borisov, D. N.; Ерошенко, Д А; Klimov, A. I.; Nechaev, Ju. B.

doi:10.1109/crmico.2014.6959502

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Basic Antennas: Design Principles Of Operation and Radi1

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2015

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“…The first example with the aperture size 156 mm×156 mm (DWG -Teflon, thickness h=2 mm) provides the antenna gain 30-30.7 dBi and radiation efficiency 50-60 % within 24-24.4 GHz frequency range. The second example with the aperture size 94 mm×97 mm (DWG -Rogers RT/Duroid 5880, thickness h=1.52 mm) provides the antenna gain 30.5 dBi, SLL in the E-plane is below −12 dB, the average half-power beam width is 4.5 deg and radiation efficiency 50-65 % within 36.5-37.1 GHz frequency band [11]- [14].…”

Section: Basic Antennas: Design Principles Of Operation and Radimentioning

confidence: 99%

Modifications of planar leaky wave antenna arrays

Nechaev

Borisov

Klimov³

et al. 2015

2015 International Siberian Conference on Control and Communications (SIBCON)

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Two new modifications of planar center-fed leakywave antenna arrays are presented. The antenna arrays consist of a printed one-dimensional periodic metal strip grating on a grounded dielectric waveguide and designed for broadside radiation. The first new model has a single-layer structure with an excitation device for the planar dielectric waveguide, represented by coaxial-fed comb line. The second new model also has a single-layer structure with the excitation device, represented by a waveguide-fed linear substrate integrated slotted waveguide array. The investigated examples of the antennas exhibit low return loss at frequencies of broadside radiation. The radiation efficiency of the antennas exceeds 50 % at frequencies up to 60-80 GHz, while the antenna gain is 27-30 dBi.

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Section: Basic Antennas: Design Principles Of Operation and Radimentioning

confidence: 99%