The security architecture in UMTS is divided into four main parts:
In this tutorial User identity confidentiality is covered.
MAC is a layer 2 protocol in the UMTS Access Stratum. MAC has the input as logical channels and at the output it has transport channels.
This tutorial covers only the MAC architecture.
The following sections are covered
Logical channels define ‘WHAT’ type of information is being transferred and transport channel defines ‘HOW’ the information is being transferred.
In this tutorial different types of logical channels and transport channels and their mappings are described.
Radio Link Control Protocol (RLC) is a layer 2 protocol in the UMTS system. This tutorial is an overview of RLC functionalities and architecture.
Wideband Code Division Multiple Access (WCDMA) is the physical layer used for Universal Terrestrial Radio Access (UTRA) FDD mode. The WCDMA technology provides the UMTS system some of the new functionalities on the air interface.
This tutorial covers the following topics:
UTRAN Interfaces are the most important point to start learning about the whole system. In this tutorial you can learn the following topics:
This tutorial contains some of the basics of 3G technology and network. The following topics are covered: