at 1.881 ghz, rectangular microstrip patch antenna using split ... - ijater
at 1.881 ghz, rectangular microstrip patch antenna using split ... - ijater
at 1.881 ghz, rectangular microstrip patch antenna using split ... - ijater
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Intern<strong>at</strong>ional Journal of Advanced Technology & Engineering Research (IJATER)Figure 6. S-parameter in RMPA alone in <strong>1.881</strong> GHz.Figure 9. Design of proposed metam<strong>at</strong>erial structure <strong>at</strong> theheight of 3.2 mm from ground plane.In this metam<strong>at</strong>erial design, <strong>split</strong> <strong>rectangular</strong> shape areloaded on the p<strong>at</strong>ch <strong>antenna</strong>. There are two parallel striplines which are equally distributed from the center andanother strip line is centred between two parallel line, and a<strong>split</strong> <strong>rectangular</strong> structure on the FR-4 lossy <strong>at</strong> a height 3.2mm from the ground plane .This design gives the better improvementin impedance bandwidth and reduction in returnloss.Figure 7. Smith chart in RMPA alone in <strong>1.881</strong> GHz.Figure 8. Delivered power to RMPA. The maximum powerdeliver to p<strong>at</strong>ch <strong>antenna</strong> is above 0.95 w<strong>at</strong>t.Figure 10. Rectangular <strong>microstrip</strong> p<strong>at</strong>ch <strong>antenna</strong> with proposedmetam<strong>at</strong>erial structure.ISSN No: 2250-3536 Volume 2, Issue 5, Sept 2012 75
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