Leaky Wave Array in Full Planar Substrate with EBG-Based Wave Guiding Channel | Zendy

Linghui Kong | Zendy; Sen Yan | Zendy; Vladimir Volskiy | Zendy; Binke Huang | Zendy; Guy A. E. Vandenbosch | Zendy

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Leaky Wave Array in Full Planar Substrate with EBG-Based Wave Guiding Channel

Author(s) -

Linghui Kong,

Sen Yan,

Vladimir Volskiy,

Binke Huang,

Guy A. E. Vandenbosch

Publication year - 2021

Publication title -

international journal of antennas and propagation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.282

H-Index - 37

eISSN - 1687-5877

pISSN - 1687-5869

DOI - 10.1155/2021/5527445

Subject(s) - planar , bandwidth (computing) , leaky wave antenna , planar array , channel (broadcasting) , ku band , metamaterial , frequency band , engineering , optics , optoelectronics , center frequency , electronic engineering , acoustics , antenna (radio) , electrical engineering , materials science , physics , telecommunications , microstrip antenna , computer science , band pass filter , computer graphics (images)

A new type of wave guiding structure is proposed is this paper. The guiding channel is developed on the full planar dielectric substrate and aligned with electromagnetic bandgap (EBG) units. Since the bandgap of these mushroom-like units is calculated with a coverage of the channel working band, these units are of great importance on ensuring the transmission efficiency and eliminating the coupling effect between channels. Then, this wave guiding structure is extended to the design of a six-element leaky wave antenna array with a complete size of 25.6 mm × 80.6 mm, which is working at Ku band from 12.0 GHz to 12.8 GHz and achieving a bandwidth of about 0.8 GHz, a gain of 11.36 dBi, and an efficiency of ca. 86.7% at 12.0 GHz. Within the working frequency band, this antenna topology achieves a frequency-dependent beam scanning in the forward directions, and it offers a potential for radar application on road speed detecting with low costs.

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