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Design of Sectoral Antennas Using a Metallic EBG Structure and Multiple Sources Feeding for Base Station Applications

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Executive Summary

This paper aims to study and design base station antennas with metallic Electromagnetic Band Gap (EBG) materials able to create a sectoral radiation pattern presenting at least a 60degree beam-width. The use of metallic structures offers a new approach to industrial partners seeking to reduce costs and facilitate design procedures. A new method allowing the improvement of both the directivity and the bandwidth by using a printed antenna array is studied. In recent years, a new kind of compact directive antenna has been developed using EBG materials. In these periodic structures, the wave propagation is prohibited for precise frequency bands and defined incidence angles.

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