Novel UWB Swastika slot antenna with concentric circular slots and modified ground plane with inverted L-shaped slots

Dileep, R S and Bojja, H and Lakhan, P (2015) Novel UWB Swastika slot antenna with concentric circular slots and modified ground plane with inverted L-shaped slots. In: International Conference onAdvances in Computing, Communications and Informatics (ICACCI), 10-13 Aug. 2015, Kochi, India.

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Abstract

In this present technophile era, we are graced with myriad advancements which are nothing short of miracles. One such boon, benevolently acceding to our every requirement in the wing of information transfer within a heartbeat, is the applied science of Ultra Wide Band(UWB) technology. In this paper, we analyzed different slots on micro-strip patch antenna and proposed four modified Ultra-wide band Swastika slot antennas. Both ground plane and radiating patch are modified in our proposed antennas. In first three antenna designs (antenna design 1, antenna design 2, antenna design 3) the radiating patch is modified with concentric circular slots of different dimensions while in antenna design 4, two inverted L-shaped slots on ground plane are used to achieve enhanced bandwidth and reduced return losses. All these proposed novel antennas are of compact size having dimensions of 24 mm × 24 mm and they work in the UWB range (3.1 GHz to 10.6 GHz). The antenna parameters like bandwidth, return loss, radiation pattern and impedance of these antennas are analyzed and discussed in this paper. The simulations are done using High Frequency Structure Simulator (HFSS) tool.

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