volume | PIER Journals

Abstract

The dual band notched features of an ultra-wideband (UWB) antenna are presented. The radiator element is a rectangular one with several slots. The planned antenna's operational frequency ranges from 2.8 to 10.6 GHz. By embedding a rectangular slot on the radiator and a folding stepped resonator in the ground plane, it is possible to create dual notched bands that are 3.76-5.9 GHz with a central frequency of 5.2 GHz (WLAN) and 2.85-3.32 GHz with a centre frequency of 3.2 GHz (WiMAX). The antenna measures 32 × 32 mm² across the board. In terms of VSWR, group delay, efficiency, and radiation pattern, the antenna's performance is confirmed. Results from simulation and testing of the stated antenna are closely matched.

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Dr. Pasumarthi Srinivasa Rao

Dr. Bondili Siva Hari Prasad

Dr. Jagabathuni Kavitha

Dr. Uppala Jayaram