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Transmitted power from BTS

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  • #46606 Reply
    HB
    Guest

    Why is the transmitted power from BTS to a mobile phone higher in GSM900, as compared to GSM1800?
    e.g.
    GSM900 transmitted power from BTS: 39dBm
    GSM1800 transmitted power from BTS: 36dBm

    How do we explain this?

    #46607 Reply
    Da Architect
    Guest

    Hello,

    GSM1800 is more effected by noise than GSM900, therefore it is meant to cover a smaller area than the GSM900. Usually in planning, we refer to GSM1800 as the inner zone, while GSM900 is the outer zone.

    Regards,

    #46608 Reply
    Chathura
    Guest

    Hi HB,
    Not only from BTS to MS, but also there is a power limitation for the MS, Max Tx Power for MS in GSM900 is 33dBm & for GSM1800 is 30dBm, This liitations in UL & DL are to compensate the respective attenuations

    Best Regards

    #46609 Reply
    Alex_R
    Guest

    hi thats because frequancy is propotional to attenuation
    when frequancy incease attenuation increase

Viewing 4 posts - 1 through 4 (of 4 total)
Reply To: Transmitted power from BTS
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