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AWR1843BOOST: A role of Antenna

Hiroyuki Kanematu
Expert 2975 points
Part Number: AWR1843BOOST
Other Parts Discussed in Thread: AWR1843

I have a question about AWR1843Boost.

Is there a fixed transmission range for the antennas Tx1, Tx2, and Tx3 of the installed transmitter?

Tx1 and Tx2: Azimuth antenna
Tx3: Antenna for elevation angle

As far as the following sentences (SDK User Guide) are concerned, I judged that the antennas are divided into azimuth and elevation antennas.

The azimuth and elevation antennas can both be enabled using bitmask 0x7 (i.e. tx1, tx2 and tx3).
For example, in xWR1642BOOST, the 2 azimuth antennas can be enabled using bitmask 0x3 (i.e. tx1 and tx2).

  • 0
    TI__Mastermind 20605 points

    Hi Hiroyuki-san,

    Your understanding regarding antennas being divided into azimuth and elevation is correct. However, please note that in the AWR1843BOOST, Tx1 and Tx3 are the ones associated with the azimuth plane and Tx2 is the one associated with the elevation as opposed to the Tx1 and Tx2 being associated with azimuth as in xWR1642BOOST.

    Also, what do you mean by "fixed transmission range"?

    Regards,

    Kaushik Gowda

  • 0 in reply to Kaushik Gowda
    Expert 2975 points

    Thank you for your reply.

    In that case, the Azimuth resolution of AWR1843 is about 14 deg from the MIMO formula.

    (2/(4*2))*(180/π) = (Azimuth Resolution)
    (Tx:2, Rx:4)

    By the way, is it correct to assume that the elevation range is about 30 deg?

    (P.S)
    By the way, the fixed transmission range is the range of the radio waves emitted from the antenna.
    (Are all antennas radiating at Elevation and Azimuth?)

  • 0 in reply to Hiroyuki Kanematu
    TI__Mastermind 20605 points

    Hi Hiroyuki-san,

    Please find the details of the xWR1843 angle estimation specs derived from its virtual antenna pattern as follows.

    Are all antennas radiating at Elevation and Azimuth? -> Yes.

    Regards,

    Kaushik