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Thread: Model tunning and K factors

  1. #1
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    Default Model tunning and K factors

    Dears,
    We want to plan a city for UMTS 2100 and we do not have tunned model for this frequency but we have tuned model for 1800. Do you have any idea how to convert the 1800 Kfactors to use in UMTS 2100?
    How about if we consider K1 3dB higher ?
    how about if we consider 3db loss per all clutters?


    thx,

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  3. #2
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    Default Re: Model tunning and K factors

    Hi

    You cant use 1800 value for 2100...
    2100 works with cosr231 model

  4. #3
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    Default Re: Model tunning and K factors

    how about LTE900...
    how can i have the k factor.
    having UMTS 2100 AND LTE1800 now..

  5. #4
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    Default Re: Model tunning and K factors

    LTE900 K factor is the same as GSM900.

  6. #5
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    Default Re: Model tunning and K factors

    crca2010, really? may i know that u have experience this before?

  7. #6
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    Default Re: Model tunning and K factors

    In Hata derived models the K factor is linked to the frequency not technology. Hence, K factor for 900 is the same for both.

  8. #7
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    Default Re: Model tunning and K factors

    I hope this equaion will be helpful:
    K
    (for the new band)=k (for the tuned band) + 20 log(new band/tuned band)

    If you like it, please add it to my reputation.

  9. #8
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    Default Re: Model tunning and K factors

    Quote Originally Posted by Albawkeri View Post
    I hope this equaion will be helpful:
    K
    (for the new band)=k (for the tuned band) + 20 log(new band/tuned band)

    If you like it, please add it to my reputation.


    yes, you are right this might formula may work

  10. #9
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    Default Re: Model tunning and K factors

    in my experience, u can do it
    before when u calibrate k2 to k7 for 900 -1800 are fixed before calibarate
    and find k1 for each frequency band.
    if u like this, give reputation pls

  11. #10
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    Default Re: Model tunning and K factors

    thank u so much>>for this information

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