How does Simulation Help with Antenna Design?

Antenna design is selecting the right antenna to meet specifications such as bandwidth, polarization and directivity. Antenna simulation helps finding optimal antenna designs and reveals installed performance and interference in real-world environments.

What are Antennas?

Antennas form the basis of all connected devices and wireless systems. Smartphones, computers, electronic implants, industrial machinery, vehicles, trains, aircraft, spacecraft – almost any modern equipment includes antennas for communication protocols including wifi, Bluetooth and 5G. Coming trends, such as 6G and satellite internet megaconstellations, require new antenna designs and installations.

Antennas have many applications outside communication as well. Radar systems use antennas to transmit and receive radio waves, and many other sensors use antennas to gather data about the environment. Many medical devices use antennas for communication (for example wearable monitors), imaging (for example microwave imaging), treatment (for example radio frequency (RF) hyperthermia) and charging (for example implants). Wireless energy transfer and energy harvesting use antennas as part of the rectenna system that converts radio frequency into electric current – these systems form the basis of radio frequency identification (RFID) and near-field communication (NFC).

Antenna Design

The design of an antenna is crucial to ensure that it meets specifications such as center frequency, bandwidth, efficiency and directivity/gain. Equally important however, is its placement – the platform that it is placed on can significantly impact its installed performance. Propagation in complex real-world environments can cause coverage issues or to co-site interference between radio systems.

Antenna Simulation

Simulation can be used at all stages of antenna development and integration to produce viable antenna designs, optimize them to meet specifications, and analyze their installed performance and RF exposure. SIMULIA antenna synthesis and electromagnetic simulation tools give antenna engineers the tools that they need for any application.

Antenna Systems

Alongside the antennas themselves, SIMULIA electromagnetic simulation tools can also be used to design feeds and other components, such as tuning circuits, filters, multiplexers and waveguides. For more information, see Microwave & RF simulation.

Antenna Design and Simulation Workflow

Antenna Selection

The success of any wireless system begins with selecting the right antenna for the application. With so many different antenna types, and new designs appearing in literature all the time, it can be difficult to find the most suitable antenna for the job. SIMULIA Antenna Magus is a tool that allows users to search and explore a database of antennas.

Antenna Selection > Dassault Systèmes

High-Power Feed Components

For high-power vacuum applications, particularly in space, multipactor and corona effects can damage the feed. Simulation reveals potential failure modes, including thermal effects, to ensure the antenna operates safely after launch.

High Power Feed Components > Dassault Systèmes

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Explore the technological advancements, innovative methodologies, and evolving industry demands that are reshaping the world of Antenna Design and Simulation. Stay a step ahead with SIMULIA. Discover now.

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