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What is master and secondary cell groups in LTE? Please explain with useful examples

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What is master and secondary cell groups in LTE? Please explain with useful examples
posted May 11, 2015 by Yeshwanth

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AFAIK MCG and SCG is applicable for small cells.
Master Cell Group: The group of the serving cells associated with the MeNB.
Secondary Cell Group: Group of the serving cells associated with the SeNB.

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Master eNB: in dual connectivity, the eNB which terminates at least S1-MME and therefore act as mobility anchor towards the CN.
Secondary eNB: in dual connectivity, an eNB providing additional radio resources for the UE, which is not the Master eNB.

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