Bandwidth and ABR video QoE management based on OTT video providers and devices
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United States of America Patent
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Oct 16, 2018
Grant Date -
Jan 11, 2018
app pub date -
Feb 20, 2017
filing date -
Jul 7, 2016
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Abstract
An Adaptive Bitrate (ABR) Quality of Experience (QoE) Management Unit, system, and method for managing bandwidth usage and QoE at a customer premises where multiple client devices independently download content from multiple providers. The ABR QoE Management Unit assigns a priority level to each provider and to each client device, translates the assigned priority levels into weights, and utilizes the weights in a Weighted Fair Queuing (WFQ) algorithm to control, at any given time, an amount of bandwidth each client device is allowed to utilize to download content from any given provider, thereby maintaining a desired QoE for each client device/provider combination. The Unit may utilize Phantom Packet Transmission (PPT) WFQ to prevent a first client device from increasing its bit rate when a second client device is in an idle phase of its duty cycle due to a full buffer.
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