Mobility

Quality-optimized Downlink Scheduling for Video Streaming Applications in LTE Networks

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Executive Summary

As the next generation of all-IP mobile communication system, LTE offers unprecedented data transmission speed and low latency for a variety of applications and services. However efficient QoS provisioning for wireless networks is challenging due to unreliable and resource-constrained radio interface. In this paper, the authors investigate the important downlink scheduling problem in LTE networks with a focus on video streaming applications. Unlike the conventional scheduling rules which exploit the network layer metrics, their scheme is directly targeted on optimizing the application-layer video quality within the required end-to-end delay bound.

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