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IWR6843ISK: Vital signs measurement conditions

user6356280
Intellectual 315 points
Part Number: IWR6843ISK

I use the IWR6843ISK to monitor vital signs.
The tool I use is mmWave Industrial Visualizer.
Could you please confirm a few questions about vital sign measurement?

(i) The following user guide describes the conditions for vital sign measurement.
https://dev.ti.com/tirex/explore/node?node=A__ABfd5N4E4Nybzb.F94Ry7Q__radar_toolbox__1AslXXD__LATEST
The following conditions are listed, can you provide the height of the sensor from the ground and the angle information with the person? We would like to measure under the same conditions. What are the other important conditions?

Distance : 5 m
Human condition : sitting or lying down, stationary for 20 seconds
Height above ground : No information
Angle : No information

(ii) In the following thread, we asked about the accuracy of the measurement of vital signs. Is this accuracy when measured under the conditions in (i)?
https://e2e.ti.com/support/sensors-group/sensors/f/sensors-forum/1312781/iwr6843isk-accuracy-of-mmwave-sensor-vital-sign-monitoring/4999138#4999138

(iii) Industrial Visualizer has 2m and 6m configuration files, but was the 6m configuration file used for the measurement in (i)?

Best Regards,

  • 0
    TI__Genius 11620 points

    Hi,

    1.Height of the sensor is around 1.2m. The person is sitting infront of the sensor. It is important that the sensor is facing the chest area of the person so that it can sense the chest movements to gauge the breathing rate and heart rate. So, in your case, it will work when the person is sitting and will not work when the person is sleeping as sensor may not be facing the chest area of the person

    2.Accuracy mentioned in the thread is applicable when the person is sitting stationary infront of the sensor

    3.Yes, 6m configuration can also be used for condition in 1

    Regards

  • 0 in reply to Abhishek Karkisaval
    Intellectual 315 points

    Thank you for your answer.

    Could you please elaborate more on the first question?

    You mentioned that the height of the sensor is around 1.2 m.

    Does the person's chest also need to be around 1.2 m?

    Since the position of the chest differs from person to person, does the position of the sensor also need to be changed to match the chest?

    Best Regards,

  • 0 in reply to user6356280
    TI__Mastermind 37770 points

    Hi,

    For best results I would recommend placing the sensor at the same height as the person's chest, but this is not strictly required.

  • 0 in reply to Nathan Block
    Intellectual 315 points

    Thank you for your answer.

    I understand.

    Close this thread.
    Thank you for your cooperation.

    Best Regards,