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This paper describes self conceived design of new dual band wearable PIFA operating at Wifi bands (2.40 & 5.80GHz). Different radiating elements used in this indigenous design, outcomes dual mode resonance. The considered design approach has quasi omni-directional pattern that leads to significant back radiations resulting high value of Specific Absorption Rate (SAR), usually not desirable in...
High directivity antennas are often used in communication systems to meet specific coverage requirements. This paper presents a unidirectional, high gain UWB antenna. A reference UWB antenna is considered and a metallic cavity is built around it, this arrangement along with a stacked parasitic patch shows a maximum increase of 8.5 dB in the gain of the UWB antenna. A maximum increase of 8.43 dB in...
This paper presents a parametric study of a UWB antenna loaded with parasitic patches on the front and metal sheets as reflectors on the back side. A maximum increase of 2.6dB in gain with a maximum gain of 10.4dBi was observed by increasing the number of parasitic patches but keeping their sizes fixed. Similarly by varying the size of the parasitic patches, gain increased by 5dB. Finally increasing...
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