Bandwidth controlled antenna for lte applications

Bandwidth controlled antenna for lte applications

Reconfigurable antennas have generated a lot of interest lately due to evolving technologies which require reconfigurable frequency, bandwidth, radiation pattern and polarization in communication systems. Wideband to narrowband frequency reconfigurable antennas are needed for communication systems w...

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Main Author: Obadiah, Ali Nyangwariman
Format: Thesis
Published: 2014
Subjects:
TK Electrical engineering
Electronics Nuclear engineering
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spelling my-utm-ep.483622017-07-27T00:32:39Z Bandwidth controlled antenna for lte applications 2014 Obadiah, Ali Nyangwariman TK Electrical engineering. Electronics Nuclear engineering Reconfigurable antennas have generated a lot of interest lately due to evolving technologies which require reconfigurable frequency, bandwidth, radiation pattern and polarization in communication systems. Wideband to narrowband frequency reconfigurable antennas are needed for communication systems which require differing amounts of bandwidth such as LTE. The aim of this project is to design an antenna suitable for bandwidth control at LTE frequency based on the differing bandwidth requirements of LTE. A new concept of a reconfigurable bandwidth controlled antenna is proposed. The structure used is a taper slot Vivaldi antenna with wideband capability, moderate high gain and symmetrical E and H planes. The Vivaldi is integrated with two pairs of resonator rings along the elliptically shaped taper slot line to achieve bandwidth control. The resonator rings are switched ON or OFF with the aid of switches to yield a wideband frequency of 1 to 3 GHz and two narrower frequencies with different bandwidths at 2.6GHz. The simulation results are done in CST microwave studio. The measured and simulated results showed a good agreement. The fabricated antenna is suitable for use in bandwidth controllable applications such as in Long Term Evolution which functions based on OFDMA modulation techniques which support differing amounts of bandwidth 2014 Thesis http://eprints.utm.my/id/eprint/48362/ masters Universiti Teknologi Malaysia, Faculty of Electrical Engineering Faculty of Electrical Engineering
institution Universiti Teknologi Malaysia
collection UTM Institutional Repository
topic TK Electrical engineering
Electronics Nuclear engineering
spellingShingle TK Electrical engineering
Electronics Nuclear engineering
Obadiah, Ali Nyangwariman
Bandwidth controlled antenna for lte applications
description Reconfigurable antennas have generated a lot of interest lately due to evolving technologies which require reconfigurable frequency, bandwidth, radiation pattern and polarization in communication systems. Wideband to narrowband frequency reconfigurable antennas are needed for communication systems which require differing amounts of bandwidth such as LTE. The aim of this project is to design an antenna suitable for bandwidth control at LTE frequency based on the differing bandwidth requirements of LTE. A new concept of a reconfigurable bandwidth controlled antenna is proposed. The structure used is a taper slot Vivaldi antenna with wideband capability, moderate high gain and symmetrical E and H planes. The Vivaldi is integrated with two pairs of resonator rings along the elliptically shaped taper slot line to achieve bandwidth control. The resonator rings are switched ON or OFF with the aid of switches to yield a wideband frequency of 1 to 3 GHz and two narrower frequencies with different bandwidths at 2.6GHz. The simulation results are done in CST microwave studio. The measured and simulated results showed a good agreement. The fabricated antenna is suitable for use in bandwidth controllable applications such as in Long Term Evolution which functions based on OFDMA modulation techniques which support differing amounts of bandwidth
format Thesis
qualification_level Master's degree
author Obadiah, Ali Nyangwariman
author_facet Obadiah, Ali Nyangwariman
author_sort Obadiah, Ali Nyangwariman
title Bandwidth controlled antenna for lte applications
title_short Bandwidth controlled antenna for lte applications
title_full Bandwidth controlled antenna for lte applications
title_fullStr Bandwidth controlled antenna for lte applications
title_full_unstemmed Bandwidth controlled antenna for lte applications
title_sort bandwidth controlled antenna for lte applications
granting_institution Universiti Teknologi Malaysia, Faculty of Electrical Engineering
granting_department Faculty of Electrical Engineering
publishDate 2014
_version_ 1747817371721007104

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