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4 way diversity

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  • #57632 Reply
    aso
    Guest

    Hi
    I have two question i hope some one can help me .
    1- how can 4way diversity be configure on cell despite the vendor.Do it need two antenna?
    2- what is benefit of having two antenna one of them is TX and the next one is Rx/Rx.

    #57633 Reply
    Pix
    Guest

    1/ 4 way diversity (in reception, i assume), you need four “dipoles” (or rather, four series of dipoles). This can be achieved by using either:
    2 crosspolar antennas separated by few meters.
    4 vertical polar antennas separated by 1 or 2 meters from each other each.

    2/ this kind of configuration is very old. The benefit is only that the Tx is done on a vertical polar antenna, while the Rx/Rxdiv have a polarization diversity.
    But it’s useless, because if you’re ready to have two antennas on the roof, you might as well have 2 vertical polar antennas, one for Tx/Rx, the other for RxDiv.

    If you don’t mind me asking, where have you found this antenna configuration ?

    #57634 Reply
    4 way diversity
    Guest

    let say in one of african country and ericsson equipment

    #57635 Reply
    Pix
    Guest

    OK… well, that’s a weird configuration.

    #57636 Reply
    emreigrek
    Guest

    i have a presentation prepared by a my friend 4 way diversity on rbs 2206. if u want i can help you

    #57637 Reply
    aso
    Guest

    Dear emreigrek
    Can you please send me to my mail
    aso0072000@yahoo.com
    Thanks alot

Viewing 6 posts - 1 through 6 (of 6 total)
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