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Thursday, 27 June 2013

Small Cells and X2 Interface


In the Release-8/9 of 3GPP, X2 interface between Small Cells and between Small Cells and Macro cells was not available. In Release-10 and 11, this was made available as shown in the picture above.

X2 is not only useful for lossless handovers in LTE/LTE-A but is also very useful for Interference management using eICIC (enhanced Inter Cell Interference Management) feature introduced in Rel-10.

More details on this enhancement is available in 3GPP TS 36.300 here.

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