Mobility

Bitrate and Video Quality Planning for Mobile Streaming Scenarios Using a GPS-Based Bandwidth Lookup Service

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Executive Summary

One of the main challenges when streaming video to mobile devices is to handle fluctuating bandwidth and frequent network outages as the device is brought in and out of areas with network coverage. In this paper, the authors propose bitrate and video quality planning algorithms for mobile streaming scenarios using a GPS-based bandwidth-lookup service in order to reduce frequently changing video quality and the number of playout interruptions. Their real world experiments using an adaptive segmented HTTP video streaming system while travelling on popular commute routes indicate that the users' quality of experience is greatly increased.

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