Scanning rate enhancement in substrate integrated waveguide periodic leaky wave antenna with continuous beam scanning using delay lines
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Dhruv Chaudhary
und
Suresh C. Gupta
Abstract
In this paper, the scanning rate (SR) is enhanced for substrate integrated waveguide (SIW) based periodic leaky wave antenna (LWA) with continuous beam scanning. Delay line is inserted in the SIW based periodic LWA to modify the group delay profile which in turn increase the SR of the SIW based periodic LWA. Addition of the delay line enhances the SR of the SIW LWA to approximately three times from 15.6° to 47° per GHz. The prototype of the proposed LWA is fabricated and experimentally measured. The simulated and measured results show that the proposed LWA scans the angular range from −30° to +27° within a frequency span of only 1.2 GHz from 14.8 to 16 GHz (relative bandwidth of 7.7 %).
Author contribution: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: None declared.
Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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© 2020 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Research Articles
- A concurrent dual-band radar sensor for vital sign tracking and short-range positioning
- Scanning rate enhancement in substrate integrated waveguide periodic leaky wave antenna with continuous beam scanning using delay lines
- Smart DRA for beam width and orientation control
- Multiband planar antenna with CSRR loaded ground plane for WLAN and fixed satellite service applications
- A metamaterial loaded hybrid fractal multiband antenna for wireless applications with frequency band reconfigurability characteristics
- Investigation on two dimensional photonic crystal based two/three input all optical AND gate
- A balanced-to-balanced directional coupler based on branch-slotline coupled structure
- An improved technique for low-loss material complex permittivity and permeability determination from transmission-only measurements
Artikel in diesem Heft
- Frontmatter
- Research Articles
- A concurrent dual-band radar sensor for vital sign tracking and short-range positioning
- Scanning rate enhancement in substrate integrated waveguide periodic leaky wave antenna with continuous beam scanning using delay lines
- Smart DRA for beam width and orientation control
- Multiband planar antenna with CSRR loaded ground plane for WLAN and fixed satellite service applications
- A metamaterial loaded hybrid fractal multiband antenna for wireless applications with frequency band reconfigurability characteristics
- Investigation on two dimensional photonic crystal based two/three input all optical AND gate
- A balanced-to-balanced directional coupler based on branch-slotline coupled structure
- An improved technique for low-loss material complex permittivity and permeability determination from transmission-only measurements
