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4G: LTE/LTE-Advanced for Mobile Broadband by Johan Skold, Stefan Parkvall, Erik Dahlman

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Chapter 14

Access Procedures

The previous chapters have described the LTE uplink and downlink transmission schemes. However, prior to transmission of data, the terminal needs to connect to the network. This chapter describes the procedures necessary for a terminal to be able to access an LTE-based network.

14.1 Acquisition and Cell Search

Before an LTE terminal can communicate with an LTE network it has to do the following:

• Find and acquire synchronization to a cell within the network.

• Receive and decode the information, also referred to as the cell system information, needed to communicate with and operate properly within the cell.

The first of these steps, often simply referred to as cell search, is discussed in this section. The next section ...

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