University of Illinois Urbana-Champaign

Circuit modeling and design of slot-loaded microstrip patch antenna

Moran, Nathan

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https://hdl.handle.net/2142/97929

Description

Title
Circuit modeling and design of slot-loaded microstrip patch antenna
Author(s)
Moran, Nathan
Contributor(s)
Bernhard, Jennifer T.
Issue Date
2017-05
Keyword(s)
  • microstrip antennas
  • path antennas
  • equivalent circuits
  • loaded antennas
Abstract
With the increasing number of small devices requiring wireless communication, small antennas are increasingly important. This makes microstrip antennas important since they can be made small, and methods to reduce their size (such as adding a slot) are also important. This project investigates the changes in a microstrip patch antenna loaded with a rectangular slot. The slot, and some other parameters of the antenna, were varied and simulated using the Ansys High Frequency Structural Simulator (HFSS) to test what properties of the antenna change. Those simulations were used to create a transmission line based circuit model in Keysight’s Advanced Design System (ADS). This model is very similar to the standard rectangular patch transmission line model, and should therefore be helpful in patch design since it correlates directly with the structure of the antenna. The circuit model itself was tested by designing an antenna using the modified transmission line model. This circuit model can provide a clear picture of how to effectively use slots on a patch antenna in order to create a desired effect.
Type of Resource
text
Language
en
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http://hdl.handle.net/2142/97929

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