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IWR1843BOOST: technique to transmit multiple chirps per frame when only a single TX antenna

Marvin Cantos
Expert 6790 points
Part Number: IWR1843BOOST


Hi Team, 

Good day. I am posting this inquiry on behalf of the customer.

"I have a question regarding what technique the IWR1843BOOST uses to transmit multiple chirps per frame when only a single TX antenna is in use given that the datasheet and user guide do not specifically mention Frequency Division Multiplexing.

Basically, I have configured my sensor with 1TX channel and transmitted two chirps per frame by setting the chirp loop parameter at 2. Is it correct for me to coherently add data from each chirp?

I assume that TDM is used if more than 1TX is on and in that case with a defined phase relation I will be able to coherently add two chirps am not too sure in the case of 1 TX"

Please help to advise. Thank you for extending your support.

Kind regards, 

Marvin