Dual‐band metasurface‐based CP low‐profile patch antenna with parasitic elements | Zendy

Zheng Qi | Zendy; Guo Chenjiang | Zendy; Ding Jun | Zendy; Vandenbosch Guy A.E. | Zendy

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Dual‐band metasurface‐based CP low‐profile patch antenna with parasitic elements

Author(s) -

Zheng Qi,

Guo Chenjiang,

Ding Jun,

Vandenbosch Guy A.E.

Publication year - 2019

Publication title -

iet microwaves, antennas and propagation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.555

H-Index - 69

eISSN - 1751-8733

pISSN - 1751-8725

DOI - 10.1049/iet-map.2019.0075

Subject(s) - multi band device , microstrip antenna , antenna (radio) , patch antenna , dual (grammatical number) , physics , electronic engineering , optoelectronics , optics , computer science , telecommunications , engineering , art , literature

A single‐feed dual‐band circularly polarised (CP) patch antenna is proposed. The antenna consists of a corner‐truncated square patch antenna and a superstrate composed of a lattice of 2 × 2 metallic patches surrounded by parasitic elements. The driven patch generates one resonant mode. The metasurface with parasitic elements excites two additional resonant modes (TM 10 and TM 20 ). The combined resonances result in minimum axial ratio points, and a good dual‐band CP operation is achieved. Simulations show that the antenna has a CP operating bandwidth of 40 MHz centred at 3.72 GHz (1.07%), and a CP operating bandwidth from 5.37 to 6.05 GHz (11.9%). The simulated gain is ∼7.05–7.1 dBic for the low‐frequency band and 4.17–6.07 dBic for the high‐frequency band, respectively. Measurements and simulations are in good agreement.

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