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What is the exact use of Physical cell id (PCI) over the cell id ?

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What is the exact use of Physical cell id (PCI) over the cell id ?
posted May 17, 2017 by Bharat Kumar

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Physical Cell Identity is used to differentiate a cell from its neighbor in limited geography. Same physical cell Ids can be re-used but cell identity is used to identify a cell in an operator network purview. Cell Identity can be used by an operator for O&M purpose.

answer May 19, 2017 by Harshita
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