Research on frequency reconfigurable bowtie antenna loaded with triangular shaped fractal parasitic elements. Issue 2 (17th February 2023)

• Record Type: Journal Article
• Authors: Deng, Xiaoqiao; Li, Yuanjiang; Li, Xiaolong; Bao, Lin; Tian, Yubo
• Is Part Of: Electromagnetics. Volume 43:Issue 2(2023)
• Page Start: 129
• Page End: 136
• Publication Date: 2023-02-17
• Subjects: Bow-tie antenna -- compensation loading -- frequency reconfigurable antenna -- triangular-shaped fractal parasitic elements (TSFPE); Electromagnetism -- Periodicals; 537
• DOI: 10.1080/02726343.2023.2192103
• Languages: English
• ISSNs: 0272-6343

Abstract

ABSTRACT: The bowtie antenna loaded with triangular-shaped fractal parasitic elements (TSFPE) is a kind of novel dual-band antenna with excellent performance and unique advantages. If it can achieve frequency reconfiguration by loading RF switches, its application will be further expanded. This paper attempts to load the RF switch onto the novel antenna. It is found in the research that the TSFPE performance is seriously deteriorated after loading the RF switch due to the discontinuous effect of RF switch loading. Therefore, a trapezoidal patch compensation loading scheme is proposed to ensure the performance of TSFPE. Through trapezoidal patch loading, S11 of TSFPE can be effectively improved, and its gain can be increased by 1.6 dB. The simulation and measurement results show that the designed frequency reconfigurable antenna has good performance in X/Ku/ka bands. The idea and method of compensation design after switch loading can be further popularized and applied.