Microstrip Patch Antenna Array Creation Using Ansys HFSS

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Antennas are means of communication that can transmit as well as receive signals. The communication distance depends not only on the operating frequency band but also on the design characteristics of the radiating element. Out of all the available antenna types, patch antennas can be compact and of low profile while having required radiation capabilities. However, certain applications like 5G, ADAS, and V2X require these patch antennas to be implemented in an array for more directional gain, impedance bandwidth, beam steering capability, etc. In this course, we detail microstrip patch antenna array creation as a method of design.

 

 

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Ports are the interfaces of the system through which electromagnetic fields propagate into or away from the system. These ports can be used either as sources or as sinks depending on the requirements of the user. HFSS has various options to generate incident fields that interact with a structure to produce the total fields on the computational need. Some of these excitations offered by HFSS are wave port, lumped port, Floquet port. This course explains briefly about these port types and serves as a guide for selecting the appropriate port types for the user needs.

The Floquet port is one of the excitation types offered by HFSS for the electromagnetic simulations. This kind of port is used exclusively with planar-periodic structures. Some of the examples are planar phased arrays and frequency selective surfaces when these may be idealized as infinitely large. The planar phased arrays are extensively used in 5G, ADAS, V2X applications. In this course we will introduce the Floquet port and its key features followed by analysis of an example.

Ansys Electronics Desktop or simply AEDT provides a comprehensive environment for the design and analysis of electronic components. AEDT offers multiple design types that are required to do a full system analysis. Ansys HFSS is one of the design types integrated in AEDT which is a high-frequency simulation software used for the design and analysis of high-frequency electromagnetic components. HFSS offers various types of solvers to suit for various applications. It provides wide variety of reports ranging from 2D rectangular plots to 3D field plots inside the complex geometries which will help in understanding the electromagnetic concepts. Ansys HFSS can be used to design simple as well as complex simulation models and hence it is required to know how to use the tool for an efficient analysis. This course provides step by step procedure required for analysis using AEDT student version. The steps and procedure shown in this course are not limited to student version alone but can also be used for commercial version. More details about this student version are found here. In this course, we will demonstrate the analysis of different types of waveguides such as simple waveguide, stacked waveguide, twist and bent waveguides using WR-15 standard waveguide as example.