Mobility

Reconfigured and Notched Tapered Slot UWB Antenna for Cognitive Radio Applications

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Executive Summary

A compact reconfigurable and notched Ultra-WideBand (UWB) Tapered Slot Antenna (TSA) is presented. The antenna reconfiguration operation principle relies on 2 mechanisms: in the first mechanism a resonator parasitic microstrip line electrically coupled to the TSA is used to notch the TSA at a specific frequency and the second mechanism relies on changing the input impedance matching of the antenna by means of changing the length of a stub line extended from an additional tiny partial ground on the back side of the antenna. The reflection coefficient, radiation patterns, and gain simulations and measurements for the proposed antenna are presented to verify the design concepts featuring a very satisfactory performance.

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