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Design, tune & test 24GHz radar solutions

For large European media broadcaster

Connectivity Device Management IoT

Challenge

Radar technology is new to this customer in the consumer market segment.
Selecting the best-in-class Radar device with the best features & at the necessary price point.
No suitable test processes existed.
Design & test to find the sensitivity sweet spot where we can detect a person sitting still in a room, but not be overly sensitive that moving curtains, pets etc. would cause a trigger.

Solution

Partner with silicon vendor to use their 24GHz all-in-one highly integrated radar solution.
Developed bespoke test processes using innovative corner reflectors & turntables.
A detailed study of the methods and standards lead to an innovative approach to speed up the regulatory compliance (without requiring a Notified Body).
Detailed knowledge of the silicon design, performing low level register manipulations & tuning with appropriate scripting to enable access to all the devices functionality and utilising machine learning to classify humans / non-humans.

Learnings

FMCW (Frequency Modulation Constant Wave) Radar operating and design principles.
Rapid development and integration of radar solution to a consumer grade electronic product.
Radar Tuned Range – Angle and Velocity-FFT parameters, RF Front End settings, Chirp and Frame configurations etc, machine learning to classify humans / non-humans.
Radar testing solutions to aid development, design-verification, and compliance.

Impact and Value

Reuseable skills and methods gained.

Electronic design, software and customised device configuration.

Test and validation capability & certificates.

The brief was demonstrably achieved, so the design could be used in the customers’ products.

Impact and value

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