RF & Microwave Engineering Blog Posts

Studying an Innovative Wireless Power Transfer Method with Simulation
Current wireless power transfer technology involves charging pads or stands. Disney Research is using simulation to investigate an innovative method called quasistatic cavity resonance (QSCR).

Predict Thermal Drift in Microwave Filters Using Multiphysics Simulation
When subjected to high-power loads and harsh environmental conditions, microwave filters can experience thermal drift. One way to predict this unwanted effect is with multiphysics simulation.

Designing and Optimizing MRI Birdcage Coils Using Simulation
An MRI birdcage coil should have an optimized magnetic field distribution around a patient’s head. Using RF simulation, we can design such biomedical systems.

Assessing a Radome Design’s Ability to Improve Antenna Directivity
Bad weather and harsh environmental conditions can negatively effect antenna directivity, and in turn, wireless communication. Using simulation, you can design radomes that improve this quality.

Designing CSRR-Based Sensors to Monitor Chronic Kidney Disease
Chronic kidney disease can be effectively diagnosed, prevented, and treated through the use of noninvasive CSRR-based sensors. Researchers optimized the design of these sensors with simulation.

How to Couple a Full-Wave Simulation to a Ray-Tracing Simulation
Learn how to couple full-wave and ray-tracing simulations in a model with a nonhomogenous domain around the antenna. Part 4 of a series on multiscale modeling in high-frequency electromagnetics.

How to Couple Radiating and Receiving Antennas in Your Simulations
Learn how to couple radiating and receiving antennas in your simulations by using the scattered field formulation. Part 3 of a series on multiscale modeling in high-frequency electromagnetics.

2 Methods for Simulating Radiated Fields in COMSOL Multiphysics®
2 ways to model radiated fields: the Far-Field Domain node and the Electromagnetic Waves, Beam Envelopes interface. Part 2 of a series on multiscale modeling in high-frequency electromagnetics.

Introduction to Multiscale Modeling in High-Frequency Electromagnetics
Here’s an introduction to performing multiscale analyses of antennas and communication systems. Part 1 of a series on multiscale modeling in high-frequency electromagnetics.

Introduction to Efficiently Modeling Antennas in COMSOL Multiphysics®
Here’s your guide to efficiently modeling antennas using COMSOL Multiphysics® and the RF Module. An anechoic chamber, which is used to characterize antenna performance, is used as an example.

Autonomous Vehicles: Putting Technology in the Driver’s Seat
Explore the future of autonomous vehicles and the design challenges and technical considerations required to make them a viable option for the future of transportation.

Optimizing Phased Array Antenna Designs for 5G and IoT with Apps
Phased array antenna designs need to be optimized for the 5G mobile network and IoT. Simulation and apps can help streamline the development cycle of these wireless communication designs.