Wireless Access

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Access network design for branch, remote, outdoor, and campus locations with HPE Aruba Networking access points and mobility controllers.
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Choosing right power

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  • 1.  Choosing right power

    Posted Jun 23, 2016 08:35 PM

    Hi,

    Let's say Supported Country Maximum Power is 20 dBm ,

    In Adaptive radio Management profile
    Max Tx Power 17 dBm
    and Channel 36 Max is 23 dBm
    So at the end what will be the power value

    Thanks



  • 2.  RE: Choosing right power

    EMPLOYEE
    Posted Jun 23, 2016 08:41 PM

    The controller will limit ERIP to 20 (radio conducted power + ant gain = 20dB). Even if you configure it for 36 and disable ARM, the controller will set the max EIRP for the AP to 20 (the regulatory max).

     

    If you set the max ARM power to 17dB, the controller will set the EIRP of the AP to 17 (radio conducted power + ant gain = 17dB).



  • 3.  RE: Choosing right power

    Posted Jun 24, 2016 01:26 PM

    Hi,

     

    How did you get the value 27 dB, 

     

    Thanks a lot



  • 4.  RE: Choosing right power

    EMPLOYEE
    Posted Jun 25, 2016 12:35 AM

    That was a typo, should have said 17...it's now corrected.



  • 5.  RE: Choosing right power

    Posted Jun 27, 2016 08:36 PM

    Hi,

    ARM power to 17dB + ant gain ( 4 dBi) =21 dB?

    Thanks



  • 6.  RE: Choosing right power
    Best Answer

    EMPLOYEE
    Posted Jun 27, 2016 11:00 PM

    If you set the ARM power max to 17, or the static power (no ARM) to 17, since the controller knows the AP's antenna gain, it will be 

     

    13dB conducted Tx power + 4dBi antenna gain = 17dB EIRP.