LTE Cell Search Procedure

there are Two relevant cell search procedures exist in LTE:
Initial synchronization;
and New cell identification.
In both scenarios, the synchronization procedure makes use of two specially designed physical signals which are broadcast in each cell: the Primary Synchronization Signal (PSS), and the Secondary Synchronization Signal (SSS).

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LTE Accessibility Procedure

The LTE Accessibility is described in following Steps:
initially the UE is OFF.

Once the UE is powered ON.
the first step is Cell Search Procedure.
then Reception of System Information message from the Network.
followed by PLMN selection;
then the UE select a cell to camp on.

in this stage the UE can Access to the network by a Random Access and initial attach procedures.

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