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Random Interference in 900 band

  • This topic has 2 replies, 1 voice, and was last updated 5 years ago by Ayat.
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  • 1st November 2007 at 18:49 #49586
    k_me
    Guest

    any one please comment>> we experience random interference in our 900 GSM band. interference might be external.

    we use FH, with MA List containing frequecies with 3 ARFCN difference between them for the same cell(usually 10 per cell). different MAIOs.same HSN for three sectors.

    DTX enabled.

    POC on downlink enabled.

    now, Please comment, can we do something else to control random interference.

    1st November 2007 at 20:38 #49587
    pix
    Guest

    yes : detect the device(s) that generate interference and shut them down… that’s part of an operator’s job to ensure that its frequencies are clean. you could do so by using a frequency scanner.

    you can always increase the amount of frequencies you’re hopping on, but if the intereferer is on a wide band, it would not help much.

    regards,

    16th December 2019 at 12:59 #71056
    Ayat
    Guest

    .
    dear All
    greeting

    actually these two solutions is not possible now

    THE EASY WAY: politely ask the person to stop using your frequencies, and if he/she refuses, then you can use:
    2. THE HARD WAY: Report the person to your regulator who will impose appropriate sanctions.

    any technical solution even if so expensive, or you can share study or researches about external interference solution

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