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AWR1443BOOST: Phase Configuration

Yun Lou
Intellectual 370 points
Part Number: AWR1443BOOST

Hello,

I want to apply Time Division Multiplexing-MIMO algorithm to do a 3D detection. This requires the phase of each transmitted chirp from the same transmit antenna to be the same, or at least the phase difference is known. In the mmWave SDK User Guide, ProfileCfg discusses 7th element discusses Tx phase shifter for Tx antennas. Does it mean that the phase of all transmitted chirps is 0 if I set this element to '0'?

Thanks,

Yun

  • 0
    TI__Expert 5235 points

    Your understanding is correct. The oob demo (mmwDemo) on 1443 is already TDM-MIMO with all 3 tx antennas achieving both azimuth and elevation (and range) i.e 3D and the tx phase shift is 0. You can read the doxygen documentation of the oob demo on 1443 for how the processing is done.