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learntelecoms interactive E-learning suite of courses: Course MBE: UMTS (3G) mobile radio systems


A good knowledge of GSM radio systems - It is recommended that courses MBC and MBD of the learntelecoms Mobile suite of courses are studied before attempting course MBE.

Course Aim:

To explain the principles of UMTS radio systems and describe in detail the the features, structure and operation of 3G mobile networks.

Course objectives: At the end of this course, the trainee will be able to:

explain the differences between UMTS and GSM in terms of modulation/multiple access method and packet mode (IP mode) integration.

list the main frequency bands used by UMTS systems and explain how frequency sharing in UMTS leads to more efficient use of frequency spectrum.

explain the concept of WCDMA scrambling and channelisation codes and capacity limitations.

explain the radio aspects of WCDMA, including multipath receiving, transmitter power control and radio channel structure and use.

explain the physical and logical structures of UMTS networks and the evolution to IP (Internet Pro- tocol) operation for all forms of traffic.

describe the role of a synchronisation in a mobile system and describe how timing information is distributed over circuit-switched and packet-switched networks.

show how user mobility is managed in UMTS and to discuss the various forms of handover.

identify the mandatory and optional requirements for UMTS mobile equipments.

describe security measures in UMTS systems, services enabled by UMTS security and ‘lawful interception’.

explain the benefits and operation of High Speed Packet Access (HSPA), and Evolved HSPA (HSPA+). © Formactual Projects Limited T/A PTT

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