2012•Unpublished venueRequires access
3GPP Mobile Systems
Esa Metsälä
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Abstract
This chapter focuses the mobile system and it covers 3GPP mobile systems, 2G, 3G, and LTE. The intention is to review the functional division of the mobile system, by introducing mobile backhaul related characteristics. These characteristics mostly relate to the radio access network, so there is less emphasis on the core network in this text. In the LTE system, the radio access network is called E-UTRAN (Evolved UTRAN). LTE is a packet switched network with no native support for circuit switched services. Mobility is supported within the different 3GPP radio access technologies (RATs). Coverage of LTE is initially limited, so it is beneficial if the UE can be served by 2G or 3G radio access network as well. This naturally requires a terminal supporting multiple radio access network types. Controlled Vocabulary Terms 3G mobile communication; mobile ad hoc networks; packet radio networks; radio access networks