A compact antipodal Vivaldi antenna with metamaterial half-lens for beam control

Authors:
Publisher website
Google Scholar
Abstract
A compact antipodal Vivaldi antenna (AVA) with metamaterial half-lens (MHL) for beam control is proposed. The proposed AVA has three different beam forms in the operating frequency band, including end beam from 3 GHz to 9 GHz, beam splitting at 12.2 GHz, and 30 ∘ beam deflection at 13 GHz. Furthermore, it can perform 18 ∘ beam scanning by adjusting operating frequency from 12.7 GHz to 13.5 GHz. The simulation indicates that the proposed AVA has a −10 dB impedance bandwidth of 143.6% (2.3–14.0 GHz) and a −3 dB gain bandwidth of 100% (4.5–13.5 GHz), which is consistent with the experimental results. Besides, the gain of the proposed AVA has an improvement of about 2 dB in the working band. As a new method to control the beam, the loading of MHL realizes the design of a small size and multi-function antenna, which can be widely used in wireless communication systems.
Funding Information
  • Fundamental Research Funds for the Central Universities from China (No.CCNU20GF006)

This publication has 30 references indexed in Scilit: