April 2010
Intermediate to advanced
588 pages
19h 56m
English
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8.5 Conclusions
Wireless communication technologies have experienced rapid growth and commercial success during the last decade. Driven by the powerful vision of being able to communicate from anywhere at any time with any type of data, the integration of multimedia and mobile technologies is currently underway. Third- and beyond-third-generation communication systems will support a wide range of communication services for mobile users from any geographical location, in a variety of formats, audiovisual services, and applications. This document has described the design of channel simulators for GPRS/EGPRS and UMTS radio access networks. The simulators can be used to investigate resource-allocation and quality-enhancement methods for the transmission of audiovisual services over heterogeneous radio access networks.
The design and implementation of a physical link layer simulation model of the GPRS and EGPRS packet data channels was presented. The model was integrated with a GPRS radio interface data flow model to simulate the GERAN radio access networks. The design of the UMTS radio access network simulator was presented. A UMTS-FDD forward-link physical layer simulation model was designed using the Signal Processing WorkSystem (SPW) software simulation tools. The model includes all the radio configurations, channel coding/decoding, modulation parameters, transmission modeling, and their corresponding data rates for a dedicated physical channel according to the UMTS specifications. ...
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