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Migration to Dual band Cell

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Viewing 7 posts - 31 through 37 (of 37 total)
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  • #45557 Reply
    parsa79
    Guest

    hi Valerijs
    i have bcch on both band(900/1800)
    and there is ms in idle mode sometime on 900 band and sometime on 1800 band
    thanks alot

    #45558 Reply
    parsa79
    Guest

    hi to all
    please guide me aboute value of RXLEVMIN in creating of adcj in 900 and 1800 band (siemens)
    best regards

    #45559 Reply
    Tomar
    Guest

    Hi parsa79,
    for Siemens in ideal case shoud be set: HOLTHLVDL less than RXLEVMIN (1 or 2 dB).
    If you have colocated cells (900/1800) than you could set for 1800 band (capacity layer) RXLEVMIN=16, HOLTHLVDL=15 and HOLTHLVUL=5. For 900 band (coverage layer) you could to set lower value.

    BR

    #45560 Reply
    Victor
    Guest

    What is the relation b\w dBm & Watt? Plz tell me immediately.

    #45561 Reply
    Tomar
    Guest

    Hi Victor,
    it is easy: 1mW is 0dBm and 1W is 30dBm
    BR Tomar

    #45562 Reply
    hashem
    Guest

    hi every body
    in my netowrk we use co_sitig band 900+1800 ,not dual band
    but we have a problem in our netowrk
    we use gsm band 900 just for coverage outer zone
    and gsm 1800 for capacity in inner zone ,but about our problem ,i check every day our network STS and seen which just band 900 has more traffice congestion and 1800 hadnt any congestion like below
    cell900 have 95.3% trafice congestion
    and cell1800 just have 2% ok
    how can i share our load to make a balance between these cell just except any feature like Hierarchical Cell Structures HCS
    BR
    hashem

    #45563 Reply
    daniel
    Guest

    Hi hashem:
    Obviously to Ericsson Network
    i propose that you checked the parameter LayerTh, Layer-hyst, CRO, Accmin Which are the percentage for service Denied&Random Access Fail rate

Viewing 7 posts - 31 through 37 (of 37 total)
Reply To: Migration to Dual band Cell
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