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Thread: DCCH & DTCH

  1. 2012-05-10, 06:46 PM #1
    cocoloco
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    Default DCCH & DTCH

    Dear experts,

    What is the difference between DCCH & DTCH channels? Do they correspond to DCH channels for RRC and RAB in Cell-DCH state?
    I'll appreciate your heelp.
  2. 2012-05-10 06:46 PM # ADS
    Finetopix
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  3. 2012-05-11, 04:04 AM #2
    firstmaxim
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    Default Re: DCCH & DTCH

    Quote Originally Posted by cocoloco View Post
    Dear experts,

    What is the difference between DCCH & DTCH channels? Do they correspond to DCH channels for RRC and RAB in Cell-DCH state?
    I'll appreciate your heelp.
    DCCH carries the L3 signaling info, DTCH carries the user traffic. They both can be mapped onto the same DCH, provided they are of identical QoS. If the QoS of DCCH and DTCH differ, then they will be mapped on two different DCH transport channels.
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