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IWR6843: issue of 3D people count in toolbox 4.2.1

Ming Zhang2

Prodigy 70 points

Part Number: IWR6843

Hello, i am evaluting IWR6843 module from Jorjin, MT5B9S-01-DTS. when trying 3D people count in toolbox 4.2.1, only cloud points seen in visulizer and cannot see any tracking box. ISK_6m_default.cfg used for chirp config. anything wrong for my operation? thanks.

over 5 years ago

0 Justin Curewitz over 5 years ago

TI__Mastermind 28055 points

Hi,

Can you send a picture of the antenna?

Thanks,

Justin

0 Ming Zhang2 over 5 years ago in reply to Justin Curewitz

Prodigy 70 points

Hi, Justin,

the antenna photo is attached, thanks.

0 Justin Curewitz over 5 years ago in reply to Ming Zhang2

TI__Mastermind 28055 points

Hi Ming,

There is a slight variation in that antenna, so you will need to adjust the configuration file slightly. Change the following line from:

antGeometry1 -1 -1 -1 -1 0 0 0 0 -1 -1 -1 -1

to

antGeometry1 0 0 0 0 -1 -1 -1 -1 0 0 0 0

This is because the middle antenna is below the other antennas on your board, while it is above the other antennas on the TI EVM.

Regards,

Justin