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IWR1642: Use Case - Ball Tracking - Is IWR1642 Capable?

Part Number: IWR1642
Other Parts Discussed in Thread: IWR6843, IWR6843AOP

I have gone through the mmWave sensing estimator based on my requirements and just want to confirm which radar sensor would be the best fit for my use case:

One of the requirements we are not able to confirm is the 'Typical Detectable Object (m^2)' value for a baseball / cricket ball (we have estimated this to be 0.018 meters squared).  Below is a description of our use case:

The radar sensor would be placed within 1 - 40 meters of object detection. If the radar sensor is placed within 1-3 meters from initial object detection, the direction of the ball would be going away from the sensor for a distance of 30 meters. If the radar sensor is placed more than 15 meters from initial object detection, the direction of the ball would be coming towards the radar sensor.
The ball will have speeds between 70-170 Kmh and must be tracked for up to 20 meters. The shape of the object is a sphere with a circumference of 22.86 centimeters (i.e. baseball or cricket ball). We would like the track the ball's 3D path so having the x,y,z coordinates with speed and distance relative to the radar sensor is mandatory.

The device would be housed in a plastic / abs enclosure with battery and Bluetooth / WIFI connectivity available to transmit results to a cloud endpoint using JSON or to mobile device using Bluetooth serial connection.

Your inputs as to which sensor / antenna design would be adequate are greatly appreciated.