8.1 Introduction

In order to investigate the performance of novel audiovisual services and applications over future heterogeneous systems, an appropriate system simulator model should be designed and implemented. The main objective of this chapter is to present some possible such simulator designs for future communication systems. GPRS/EGPRS, WCDMA UMTS, and WiMAX IEEE 802.16e wireless communication technologies have been selected as the major communication systems for performance investigation of future audiovisual applications.

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