Comparative Analysis of Triangular Grid with Ground Defected Microstrip Patch Antennas
Keywords:
Defected Ground Structure (DGS), Patch Antennas, Triangular Grid, Inset Line feeding, High Frequency.Abstract
The graded triangular microstrip patch antenna has been investigated for wireless systems for Ku band K band and Ka band application is analysed. The proposed antennas in this paper are of 31 X 20.5 mm of substrate FR4 of thickness 1.6 mm having dielectric constant of 4.4. These antennas are graded in patch in which the one antenna ground plane is defected and other one is without defected ground plane are considered and analysed for their performance. The antennas showed working on 7 frequencies of 15.4, 21.8, 23.6, 24.45, 25.5, 27.6, and 28.5 GHz(without ground plane defected) and 6 frequencies of 13.8, 19.8, 23.05, 26.9, 34.55, and 36.2 GHz which lies in Ku, K and Ka band respectively. The return loss obtained for both antennas are good precise for the 5G. The gain is also simulated with frequencies with a gain of around 1–96 dB and 1-13dB respectively for the antennas. The proposed antenna is designed, optimized and analysed with HFSS simulator.
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