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An upload bandwidth optimization method applied to cloud live broadcast platform

A technology of live broadcast platform and optimization method, applied in transmission systems, digital transmission systems, data exchange networks, etc., can solve the problems of unreasonable allocation and use of upload bandwidth, reduce the bandwidth overhead of uploaders, etc., and achieve optimal and good individual interests. The effect of viewing experience and good user experience

Active Publication Date: 2020-10-09
SUN YAT SEN UNIV
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0006] In order to solve the problem of unreasonable upload bandwidth allocation and use in the existing cloud live broadcast platform, the present invention provides an upload bandwidth optimization method applied to the cloud live broadcast platform. Under limited circumstances, reduce the uploader's bandwidth overhead while ensuring a good viewing experience for users, and consider the number of viewing users of different uploaders, so as to provide the best possible user experience while reducing traffic charges

Method used

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  • An upload bandwidth optimization method applied to cloud live broadcast platform
  • An upload bandwidth optimization method applied to cloud live broadcast platform
  • An upload bandwidth optimization method applied to cloud live broadcast platform

Examples

Experimental program
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Embodiment 1

[0061] Such as figure 1 As shown, the method provided by the invention specifically includes the following steps:

[0062] S1. Define set u={u 1 , u2 ,...,u N} represents the group of uploaders, Indicates the set formed by the upload bit rate selected by each uploader in the uploader group, Among them, b represents the maximum upload bandwidth of the cloud live broadcast platform; let r min and to represent the minimum upload bandwidth limit and maximum upload bandwidth limit for each uploader, namely:

[0063]

[0064] S2. Define the bandwidth cost C of the i-th uploader i for:

[0065] C i = c i * r i

[0066] where c i Indicates the traffic fee caused by unit bandwidth consumption;

[0067] S3. Define the QoE model of the viewing user of the i-th uploader as:

[0068]

[0069] Define the QoE model of the viewing user when the i-th uploader uploads with the minimum upload bandwidth:

[0070]

[0071] S4. Combine the bandwidth overhead of the i-th u...

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Abstract

From the perspective of the cloud live broadcast platform, the present invention reduces the uploader’s bandwidth overhead while ensuring a good viewing experience for users when the uploading bandwidth is limited, and considers the number of viewing users of different uploaders, and can reduce traffic costs while reducing traffic costs Provide the best possible user experience. The present invention is based on the optimization framework of NBS (that is, Nash Bargaining solution, Nash Bargaining solution), which can distribute uploads to each participant fairly and effectively in the case of limited upload bandwidth, taking into account the number of different viewing users of different uploaders. Bandwidth, to achieve the global optimum while achieving the optimum of individual interests.

Description

technical field [0001] The invention relates to the field of multimedia network and cloud computing resource management, and more specifically, to an upload bandwidth optimization method applied to a cloud live broadcast platform. Background technique [0002] With the wide coverage of video terminal equipment and the rise of Internet high-bandwidth-consuming applications, cloud live broadcast platforms have emerged one after another and brought a huge increase in network traffic. In recent years, many cloud live broadcast platforms have emerged at home and abroad, and many successful practices have been carried out. The more popular cloud live broadcast platforms in China include Douyu live broadcast platform, Huya live broadcast platform and Dragon Ball live broadcast platform. The more popular cloud live streaming platforms abroad include Twitch.tv, YouTube, and Azubu.tv. The content of the cloud live broadcast platform covers a wide range, involving live game content l...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/927H04L12/24H04L47/80
CPCH04L41/142H04L41/145H04L41/5019H04L47/805H04L47/808
Inventor 吴迪叶国桥
Owner SUN YAT SEN UNIV
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