1. A Wide-Beam Circularly Polarized Asymmetric-Microstrip Antenna.
- Author
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Nasimuddin, Anjani, Y. S., and Alphones, A.
- Subjects
- *
MICROSTRIP antennas , *GLOBAL Positioning System , *RADIATION , *BANDWIDTHS , *ANTENNAS (Electronics) - Abstract
A wide-beam circularly polarized (CP) asymmetric-microstrip antenna with four unequal circular-patches is proposed for global navigation satellite systems. Four unequal circular-patches are integrated symmetrically onto corners of a square microstrip radiator for CP radiation with wide-beamwidth. The measured 3-dB axial ratio (AR) bandwidth of the proposed antenna is 24.0 MHz (1.568–1.592 GHz) with a 3-dB AR beamwidth of around 180° across the bandwidth and a 10-dB return loss bandwidth is 56.0 MHz (1.556–1.612 GHz) with a gain of more than 5.0 dBic. The overall size of the antenna is \bf 0.373\boldsymbol\lambda\bf o \bf{\times 0.373{\boldsymbol\lambda}\bf o} \bf{\times 0.016}{\boldsymbol{\lambda}\bf o} at 1.6 GHz. [ABSTRACT FROM PUBLISHER]
- Published
- 2015
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