Mobility

Utility Based Video Scheduling for Quality Maximization in 4G WiMAX Wireless Networks

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Executive Summary

In this paper, the authors propose a novel utility based algorithm for dynamic frame scheduling of a scalable video stream for video transmission over a 4G OFDMA wireless network. They consider the GOP structure of a temporally scalable video sequence and derive a scheme to compute the average utility and packet sizes of the frames belonging to the base and enhancement layers. This scheme is based on the rate models derived employing the H.264 Joint Scalable Video Model (JSVM) developed by the JVT and MPEG groups, and is hence readily applicable in practical scenarios.

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