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Multiband to Dual Band conversion

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  • #70194

    Hello All, pls I am presently working on a project to convert multiband cells on our network (Ericsson equipment) to Dual band cells. We have started already but we are faced with the challenge of huge tch blocking on 900 band cells after the conversion, pls can someone give me a support?

    Below is the strategy we have used to push traffic on 1800 band but still having tch congestion on 900 band.

    • CRO=GSM:0 & DCS:7
    • PT= 0
    • Layer= GSM:4 & DCS:3
    • Layerthr =DCS:87
    • Offset DCS – GSM : 7
    • CCHPWR =GSM:33 & DCS:30


    now check electrical tilts of both and make sure DCS is uptilted by at least 2 as compared to GSM.
    What is traffic repartition between both bands?

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