COMPACT DUAL-BAND CIRCULARLY POLARIZED ANTENNA FOR WIRELESS COMMUNICATIONS

Karunesh Srivastava, Mayuri Kulshreshtha

DOI Number
https://doi.org/10.2298/FUEE2304509S
First page
509
Last page
518

Abstract


P-shaped dual-band circularly polarized (CP) antenna for wireless communications with right-hand circular polarization (RHCP) and left-hand circular polarization (LHCP) is presented in this article. Optimized electrical volume of the proposed structure is 0.46λ 0 × 0.46λ 0 × 0.02λ 0 at 4.4 GHz resonant frequency. The measured -10 dB impedance bandwidths are 50.7% and 5.7% for (3.37-5.60 GHz) and (10.82-11.46 GHz) resonating bands at frequencies 4.4 GHz and 11.4 GHz respectively. The measured 3 dB impedance axial-ratio bandwidths for (4.65-5.13 GHz) and (11.21-11.52 GHz) bands are 9.7% and 2.7%. Agreement of simulation results with measured results ensure the excellent circular polarization at frequencies 4.96 GHz and 11.4 GHz.

Keywords

Antenna, circularly polarized, C-Band, X-band, aeronautical mobile, satellite communication

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References


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ISSN: 0353-3670 (Print)

ISSN: 2217-5997 (Online)

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