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Antenna Bandwidth Optimization with Single Frequency Simulation

Cismasu, Marius LU and Gustafsson, Mats LU (2013) In Technical Report LUTEDX/(TEAT-7227)/1-19/(2013) TEAT-7227.
Abstract
A method to compute antenna Q using an electromagnetic simulation at a single frequency is described. This method can easily be integrated into global optimization algorithms. In this way the optimization time of some antenna parameters, e.g., bandwidth, may be significantly reduced. The method is validated by direct comparison with the physical bound of the analyzed structure. Numerical examples for rectangular antennas and antennas with a rectangular ground plane illustrate the integration of the method into a genetic algorithm. The results predicted by optimization agree very well with those obtained using a commercial electromagnetic solver. These results suggest that the method can be used to yield antennas with Q factors within 20%... (More)
A method to compute antenna Q using an electromagnetic simulation at a single frequency is described. This method can easily be integrated into global optimization algorithms. In this way the optimization time of some antenna parameters, e.g., bandwidth, may be significantly reduced. The method is validated by direct comparison with the physical bound of the analyzed structure. Numerical examples for rectangular antennas and antennas with a rectangular ground plane illustrate the integration of the method into a genetic algorithm. The results predicted by optimization agree very well with those obtained using a commercial electromagnetic solver. These results suggest that the method can be used to yield antennas with Q factors within 20% of their corresponding physical bound. (Less)
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author
organization
publishing date
type
Book/Report
publication status
published
subject
keywords
Antenna, Bandwidth, Optimization, physical bound
in
Technical Report LUTEDX/(TEAT-7227)/1-19/(2013)
volume
TEAT-7227
pages
19 pages
publisher
[Publisher information missing]
language
English
LU publication?
yes
id
f56bba61-8c16-4b52-8b7f-e2f5bbc2fb62 (old id 4004262)
date added to LUP
2013-09-02 12:22:27
date last changed
2016-04-16 11:47:00
@misc{f56bba61-8c16-4b52-8b7f-e2f5bbc2fb62,
  abstract     = {A method to compute antenna Q using an electromagnetic simulation at a single frequency is described. This method can easily be integrated into global optimization algorithms. In this way the optimization time of some antenna parameters, e.g., bandwidth, may be significantly reduced. The method is validated by direct comparison with the physical bound of the analyzed structure. Numerical examples for rectangular antennas and antennas with a rectangular ground plane illustrate the integration of the method into a genetic algorithm. The results predicted by optimization agree very well with those obtained using a commercial electromagnetic solver. These results suggest that the method can be used to yield antennas with Q factors within 20% of their corresponding physical bound.},
  author       = {Cismasu, Marius and Gustafsson, Mats},
  keyword      = {Antenna,Bandwidth,Optimization,physical bound},
  language     = {eng},
  pages        = {19},
  publisher    = {ARRAY(0x91be030)},
  series       = {Technical Report LUTEDX/(TEAT-7227)/1-19/(2013)},
  title        = {Antenna Bandwidth Optimization with Single Frequency Simulation},
  volume       = {TEAT-7227},
  year         = {2013},
}