A shaped-beam Transmit Array Antenna based on nonuniform dielectric layer is proposed. Stepping the surface of dielectric layer provides the required phase shift at each point on the surface of transmit array antenna to produce a squared cosecant beam on the other side. In order to analyze this kind of antennas, a simple method based on an equivalent circuit model is introduced, in which the transmission coefficient of each element for oblique incident field is obtained. The design process consists of two steps. First, a phase-only technique is applied to obtain the required phase-shift distribution on the surface of transmit array antenna which generates the shaped pattern. The second stage consists of determining the thickness of each element to achieve the phase distribution obtained in the previous step. Using this method a shaped beam transmit array antenna in the 9.5-10.5 GHz band is designed, manufactured and also validated by the Computer Simulation Technology (CST) Microwave Studio TM package. The results of test in an anechoic chamber, shows a good agreement between measured, simulated and theoretical radiation patterns.
Published in | Advances in Wireless Communications and Networks (Volume 3, Issue 3) |
DOI | 10.11648/j.awcn.20170303.11 |
Page(s) | 23-28 |
Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
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Copyright © The Author(s), 2017. Published by Science Publishing Group |
Nonuniform Dielectric Layer, Transmit Array Antenna, Phase Response, Lens Antenna
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APA Style
Mojtaba Moeini-Fard, Mohammad Khalaj-Amirhosseini. (2017). Transmit Array Antenna Using Nonuniform Dielectric Layer. Advances in Wireless Communications and Networks, 3(3), 23-28. https://doi.org/10.11648/j.awcn.20170303.11
ACS Style
Mojtaba Moeini-Fard; Mohammad Khalaj-Amirhosseini. Transmit Array Antenna Using Nonuniform Dielectric Layer. Adv. Wirel. Commun. Netw. 2017, 3(3), 23-28. doi: 10.11648/j.awcn.20170303.11
AMA Style
Mojtaba Moeini-Fard, Mohammad Khalaj-Amirhosseini. Transmit Array Antenna Using Nonuniform Dielectric Layer. Adv Wirel Commun Netw. 2017;3(3):23-28. doi: 10.11648/j.awcn.20170303.11
@article{10.11648/j.awcn.20170303.11, author = {Mojtaba Moeini-Fard and Mohammad Khalaj-Amirhosseini}, title = {Transmit Array Antenna Using Nonuniform Dielectric Layer}, journal = {Advances in Wireless Communications and Networks}, volume = {3}, number = {3}, pages = {23-28}, doi = {10.11648/j.awcn.20170303.11}, url = {https://doi.org/10.11648/j.awcn.20170303.11}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.awcn.20170303.11}, abstract = {A shaped-beam Transmit Array Antenna based on nonuniform dielectric layer is proposed. Stepping the surface of dielectric layer provides the required phase shift at each point on the surface of transmit array antenna to produce a squared cosecant beam on the other side. In order to analyze this kind of antennas, a simple method based on an equivalent circuit model is introduced, in which the transmission coefficient of each element for oblique incident field is obtained. The design process consists of two steps. First, a phase-only technique is applied to obtain the required phase-shift distribution on the surface of transmit array antenna which generates the shaped pattern. The second stage consists of determining the thickness of each element to achieve the phase distribution obtained in the previous step. Using this method a shaped beam transmit array antenna in the 9.5-10.5 GHz band is designed, manufactured and also validated by the Computer Simulation Technology (CST) Microwave Studio TM package. The results of test in an anechoic chamber, shows a good agreement between measured, simulated and theoretical radiation patterns.}, year = {2017} }
TY - JOUR T1 - Transmit Array Antenna Using Nonuniform Dielectric Layer AU - Mojtaba Moeini-Fard AU - Mohammad Khalaj-Amirhosseini Y1 - 2017/06/30 PY - 2017 N1 - https://doi.org/10.11648/j.awcn.20170303.11 DO - 10.11648/j.awcn.20170303.11 T2 - Advances in Wireless Communications and Networks JF - Advances in Wireless Communications and Networks JO - Advances in Wireless Communications and Networks SP - 23 EP - 28 PB - Science Publishing Group SN - 2575-596X UR - https://doi.org/10.11648/j.awcn.20170303.11 AB - A shaped-beam Transmit Array Antenna based on nonuniform dielectric layer is proposed. Stepping the surface of dielectric layer provides the required phase shift at each point on the surface of transmit array antenna to produce a squared cosecant beam on the other side. In order to analyze this kind of antennas, a simple method based on an equivalent circuit model is introduced, in which the transmission coefficient of each element for oblique incident field is obtained. The design process consists of two steps. First, a phase-only technique is applied to obtain the required phase-shift distribution on the surface of transmit array antenna which generates the shaped pattern. The second stage consists of determining the thickness of each element to achieve the phase distribution obtained in the previous step. Using this method a shaped beam transmit array antenna in the 9.5-10.5 GHz band is designed, manufactured and also validated by the Computer Simulation Technology (CST) Microwave Studio TM package. The results of test in an anechoic chamber, shows a good agreement between measured, simulated and theoretical radiation patterns. VL - 3 IS - 3 ER -