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IWR1843: Beamforming Configuration for Image Cascade Radar

Jonathan Navor
Genius 9475 points
Part Number: IWR1843

Hi Guys, 

Good day. I'm posting this in behalf of the customer. 

In this document Beamforming_5F00_in_5F00_LRPD.pdf, it addresses 2 configurations that user could config the radar sensor, e.g., config 1 (Multiple beam in one subframe in Figure 2) and config 2 (One TX beam in one subframe in Figure 3). After testing, the config 2 works on the IWR1843, but it seems that the config 1 doesn't work on the sensor. So, can you please double-check how to apply the config 1 on the sensor?

Also, as we just got the image cascade radar and would like to test the beamforming, will both configs work well on the image radar? Does the image radar use the same version SDK as the IWR1843?

Thank you in advance for the support.

Best regards,

Jonathan

  • 0
    TI__Mastermind 40355 points

    HI, Jonathan:

    For the configure 1, the code need to support multiple profileCfg in the regular frame.  And different profileCfg will program different phaseShifter.  

    The feature is supported in mmwaveLink level, but not supported in the SDK demo level, you will need to change the code to support that.   

    But for cascade board, what tool are you using for chirp configuration and data capture?  if it is radar studio, then the feature should be already supported. 

    Best,

    Zigang

  • 0
    Prodigy 90 points

    Hi Zigang,

    Thanks for your reply.

    I asked Jonathan to help me post this question. 

    As you mentioned, the configure 1 is supported in mmwaveLink level, so what about this mmwaveLink level? I am wondering how to change the code to enable that.

    I am actually using the standard SDK and the radar studio to run the demos on IWR1843 provided in the resource explore. And I just get the cascade board, I am not quite sure if the SDK for the cascade board is different from that of IWR1843. I am trying to use the similar tools to test, but haven't done it yet.

    So, the feature of configure 1 is default enabled on the cascade board?

    Regards,

    Yu

  • 0 in reply to Yu Zhang
    TI__Mastermind 40355 points

    HI, Yu:

    Regarding cascade board, please submit a separate e2e thread. 

    For the mmwaveLink level, you can find the list of API at SDK Doxygen documentation at: 

    file:///C:/ti/mmwave_sdk_03_05_00_04/packages/ti/control/mmwavelink/docs/doxygen/html/group___sensor.html

    The actual mmwavelink function is located at:

    C:\ti\mmwave_sdk_03_05_00_04\packages\ti\control\mmwavelink\src 

    And you can search to find how the SDK demo code is calling this functions.  Then you can do something similar to add some additional support. 

    Best,

    Zigang

  • 0 in reply to zigang Yang
    Prodigy 90 points

    Hi Zigang,

    Thanks for that, and I will double-check the documents.

    I will separate the question of the cascade board to another thread later.

    Regards,

    Yu