About Fred German

Fred is a Senior Manager of Research & Development at ANSYS where leads the design and development of simulation technologies used for modeling complex RF environments. He holds a Ph.D. in Electrical Engineering with a focus on computational electromagnetics from Auburn University.

Interference-Free Design of Electronic Devices

Have you ever relaxed on the patio on a beautiful autumn day while using your mobile phone to talk to a friend, stream some relaxing music over the phone’s WiFi connection and maybe use the built-in GPS location capability while you map out your next family road trip, all at the same time?

Just think about how amazing it is that you can do all of that — and more — with a device that you hold in the palm of your hand. Your mobile phone has more computing power than the computers that put man on the moon, and more wireless connectivity than we would have thought possible less than a generation ago!

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Santa Struggles with Radio Frequency Interference – Could Hinder Gift Delivery

Santa Calling about Radio Frequency InterferenceWhen my caller ID lit up showing an incoming call from “The North Pole” I scratched my head wondering who it could be. Only one person I know of lives at The North Pole. Yup, it was Santa. In the past, Santa has worked with ANSYS engineers to improve the structural and aerodynamic properties of his sleigh. This year, Santa had another concern that he was calling me about. It seems that on some test flights in preparation for this year’s Christmas Eve deliveries, Santa noticed that the sleigh’s on-board GPS radio that he and his elves rely on for accurate tracking information wasn’t always working properly. Santa noticed that the problem usually occurred when he flew near cell phone base station towers. We assured Santa that we could help and we set about modeling the installed radio frequency (RF) systems on his sleigh in order to understand what was happening. Continue reading