Abstract
A simple patch antenna using microstrip feed at low frequency 2.95 GHz and 4.32 GHz is proposed. This is obtained by cutting C-shaped slot in the rectangular patch part. The dimension of the C-shaped slot is around half-wavelength of the chosen frequencies. This work is meaningful as a commencement investigation level of next generation network applications. It is designed by using low cost, easily available FR-4 substrate with dielectric loss tangent 0.02, relative permittivity 4.4 and height 1.575 mm. The simulation is done using Ansoft HFSS and the radiation performance such as S 11 , VSWR, Gain, Radiation Efficiency, Radiation Patterns, and Surface Current Distributions are observed step by step and then final design is proposed. Proposed antenna design has impedance BW 21.05%, 68.51%, good Return Loss -45.42 dB, -23.09 dB, VSWR 1.01, 1.15, acceptable total gain 1.27, 1.45 and high radiation efficiency 103.56%, 90.63% at interest of frequency 2.95 GHz and 4.32 GHz respectively for NGN.
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