Meaning of CEs at different levels

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Hi guys,
This is the hedex, Meaning of CEs at different levels, is there anybody to help me understand.. thanks
(and LCG-local cell group and LC-local cell what is the difference)


NodeB-level CEs:The NodeB-level CEs are the licensed CEs of the NodeB.

LCG-level CEs:In the uplink, the LCG-level CEs are the LCG-level physical CEs. In the downlink, the LCG-level CEs are the sum of downlink CEs on all the boards of the LCG.

LC-level CEs:In the uplink, the LC-level CEs are the physical CEs of the uplink resource group to which the cell belongs. In the downlink, the LC-level CEs are the physical CEs of the baseband processing board to which the cell belongs.