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IWR1642BOOST: iwr1642

Part Number: IWR1642BOOST
Other Parts Discussed in Thread: IWR1642, MMWAVE-SDK

Hello,

can the resolution be improved under 6 mm with the Radarsensor IWR1642 and how i can do that?  How the Signals can be processed to use them for different applications? With another tool or with whith development tool should i use? Is there prevered a development tool from TI?

Thank you very much for your help.

Best regards

Kurtolli

  • Hi Kurtolli,

    Please see the High Accuracy Lab on the Resource Explorer where there is example project with accuracy better than 1 mm.

    dev.ti.com/.../

    Cheers,
    Akash
  • Hi Akash,

    thanks for the Feedback. That helped me lot for the resoltuin better 1mm. Is the Resolution better 1mm only for the distanze or for the angle and Speed too?
    For me is very important to know how the Signals can be processed to use them for different applications? Is there prevered a development tool from TI? Is there a UsereGuide for that?

    Thank you

    Kurtolli
  • Hello Akash,

    maybee i dont know if that is right how i understand the accurancy. For my projekt that i work the IWR1642 is important
    to detect the distanc of stairs. And the resolution of this distanc between the stairs and the sensor should be in the mm range. So the high accurancy range measurment means the distanc betwen two detekted objekts are in the mm range or the distanc to one detekted objekt and
    the sensor are in mm range? For me the second would be important but over a wide angle view if possible.

    How i can start a .c code with a development tool, thats my second question? Is there a UserGuide for that?

    Thank you
  • Hi Mexhid,

    So Resolution actually refers to the minumum distance between two objects for the sensor to detect that it is two distinct objects. The Range Resolution for the mmWave Sensors is better than 4 cm. Resolution is a very different concept than Accuracy when it comes to radar.

    I'd recommend downloading the mmWave-SDK (1.2 for 1443, 2.0 for 1642) and looking at the user guide for more information.

    Cheers,
    Akash
  • Hi Akash,

    you say that the range resolution is better than 4cm. What is the best possible resolution of the distance to an objekt? The distance in my projekt will be between max. 0-10 meters.

    From your last post I trie to go step by step through the userguide (mmWave_sdk_user_guide), which is relatively extensive and I have to set up a solution in a few days. The processing of the signals (parameters of the Sesnor) is possible via the CCS debugging program, right? Or should i use the mmWave Studio?

    I send Mr. David Wilson (TI support) a email with question (maybe the same like here) and a screenshot. Can you please cantact Mr. David Wilson and take a look at the questions/screeshot?

    Thank you Akash

    Best regards
    Kurtolli
  • Hi Kurtolli,

    I am not in possession of any screenshots.

    Best possible range resolution is about 3.75 cm. If you are trying to develop a custom program then I'd highly recommend using CCS and the appropriate version of the mmWave-SDK.


    Cheers,
    Akash
  • Hi Kurtolli,

    I have just received the screenshot, in the future please post it here for the community to see.

    The Y-Axis of the Range Profile is actually a unit-less value that corresponds to received signal strength (peak value).

    The reason your peak at 5+ meters is not immediately clear although it is likely an isolated occurrence. Let me know if this is still happening to you.


    Cheers,
    Akash
  • Hi Akash,

    thanks for the feedback but what was the questions you answere because it is a long time ago and i cant find the emails?

    i have one more question:

    I went through the docs and did it to the signal processing with ccs, but I'm at a point annoked where I currently no longer get on (see the attachement).

    How can i find the HW Identifier and hoq can i continue now?

    Thank you for your support

    Best regards

  • Hi Mexhid,

    This question is outside the scope of this thread. If you'd like to start another discussion then feel free to open up a new one.


    Cheers,
    Akash
  • Hi Akash,

    i will start another discussion for this topic.

    But for the High accuracy Visualizer i have now a Problem. At the beginning of my test that works everything fine. But now i do everything is explaned in "high_accuracy_16xx_lab_user_guide" again and it dosent work (see screenshot i attach). At the Bottom of the window you can see that the Programm is waiting for data. What does it mean for me, what i have done wrong? Did i Forget something? I do the same as at the beginning but the messurement doesent start!

    Can you please help

    Thank you

    Best regards

    Mexhid

  • Hi Mexhid,

    I'd recommend ensuring that you have the correct COM ports elected in the options tab. It would also make sense to ensure that you have flashed your board with the correct High Accuracy binary file. Are you using the correct chirp configuration after pressing the Load Config button? Which version of the mmWave-SDK are you using?

    These are all simple steps which you might have overlooked. If you need further assistance you'll need to provide more information.


    Cheers,
    Akash
  • Hi Akash,

    the COM ports are  correct.

    device Manager:

    Serial ports configuration TI:

    On the board i flashed the file  ,,xwr16xx_high_accuracy_lab.bin" and load the chirp configuration ,,accuracyTest1.txt".

    To start the configuration i use the link
    dev.ti.com/.../

    At the end i have the same Problem i explaned you at the post before:

    Best regards

    Kurtolli

  • Hi Mexhid,

    We'll need more information in order to assist you. Would you be able to include a picture of both your board and your test setup?

    Cheers,
    Akash
  • Hi Akash,

    i done some Pictures. I hope ist ok.

    Best regards

    Mexhid

  • Hi Mexhid,

    Well this isn't at all expected behavior but it is interesting since you were able to get the High Accuracy Lab working not so long ago.

    Thank you for the pictures, there doesn't appear to be anything wrong with your board although I'd recommend testing it with another lab from the Industrial Toolbox. Does it work with the standard SDK demo or the Zone Occupancy Demo? If it doesn't work for either then it may indicate a problem with you board. If it doesn't work for just the SDK demo then there could be a problem with your browser or your machine.


    Cheers,
    Akash
  • Hi Mexhid,

    Due to inactivity I'm going to close this thread, however if you'd like to continue the discussion then feel free to open up a new one!


    Cheers,
    Akash