Thesis Open Access

UWB Antenna Design for wi-fi, wiMAX & 5 G Networks

Mesele Banteyrgu woldegiorgise


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  <identifier identifierType="DOI">10.20372/nadre/20228</identifier>
  <creators>
    <creator>
      <creatorName>Mesele Banteyrgu woldegiorgise</creatorName>
      <affiliation>Addis Ababa Science &amp; Technology University</affiliation>
    </creator>
  </creators>
  <titles>
    <title>UWB Antenna Design for wi-fi, wiMAX &amp; 5 G Networks</title>
  </titles>
  <publisher>National Academic Digital Repository of Ethiopia</publisher>
  <publicationYear>2020</publicationYear>
  <contributors>
    <contributor contributorType="Supervisor">
      <contributorName>Muluneh Mekonnen  ( Ph D )</contributorName>
      <affiliation>Addis Ababa Science &amp; Technology University</affiliation>
    </contributor>
  </contributors>
  <dates>
    <date dateType="Issued">2020-09-03</date>
  </dates>
  <language>en</language>
  <resourceType resourceTypeGeneral="Text">Thesis</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://nadre.ethernet.edu.et/record/20228</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsVersionOf">10.20372/nadre/20227</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsPartOf">https://nadre.ethernet.edu.et/communities/aastu</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsPartOf">https://nadre.ethernet.edu.et/communities/nadre</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="http://www.opendefinition.org/licenses/cc-by">Creative Commons Attribution</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">&lt;p&gt;In this thesis, Ultra Wide Band (UWB) antenna design with a large bandwidth and small&lt;br&gt;
size for Wi-Fi, WiMAX and 5G Networks is presented. The proposed antenna operates&lt;br&gt;
at four different frequency bands from 2 GHz to 22 GHz for different applications with a&lt;br&gt;
fractional bandwidth (FBW) of greater than 150%. The antenna is very compact with a&lt;br&gt;
size of 18:25x15:2mm2 and designed using FR-4 dielectric substrate material having permittivity of 4.4 and height of 1.6mm. The proposed feeding scheme in this antenna design&lt;br&gt;
is coplanar wave guide and a transmission line model of analysis has been implemented,&lt;br&gt;
and simulated using CST software tools. The radiator patch of the antenna has an elliptical&lt;br&gt;
structure with a circular slot on the patch. In addition to this, a bending ground structure&lt;br&gt;
with two small rectangular slots is designed to achieve the desirable UWB properties. The&lt;br&gt;
radiation pattern of the antenna is nearly omnidirectional that radiates in all directions in&lt;br&gt;
a given plane with a constant gain at the specified frequency range. The performance of&lt;br&gt;
the antenna is shown using various parameters, such as voltage standing wave ratio, gain,&lt;br&gt;
return loss, directivity and radiation patterns.&lt;br&gt;
iv&lt;/p&gt;</description>
  </descriptions>
</resource>
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