This tutorial provides an overview of VoIP support for OFDMA systems. The tutorial begins with an overview of the wireless industry, enablers for B3G systems, and the motivation for voice services in future wireless systems. Next, an overview of VoIP is provided. In this section, the vocoder and VoIP packets are described. VoIP challenges are then presented. By comparing voice support 10-15 years ago to voice support today, we can see what has changed and how these changes result in unique problems for OFDMA systems. We formalize the VoIP problem statement into 5 distinct problems which must be addressed. Then, scheduling algorithms are discussed. Finally, performance results are provided. The performance section first describes how to evaluate the performance of a VoIP system and then provides performance results for LTE, UMB, and 802.16 systems.
Part Number and Titles
Intro - Preview - 4:49 min
Part 1 - 15:13 min
Part 2 - 14:05 min
Part 3 - 16:00 min
Part 4 - 26:25 min
Part 5 - 20:24 min
Part 6 - 22:16 min
Total Presentation Time
1 hr 59 min 25 sec
Total Number of Slides
103
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