D2D network setup method based on scalable video streaming user quality of experience

A quality of experience and video streaming technology, applied in machine-to-machine/machine-type communication services, electrical components, transmission systems, etc., can solve problems such as high running time, topology changes, and unrealistic conditions, and achieve increased capacity, Guaranteeing the effect of quality of experience

Active Publication Date: 2018-06-01
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, mobile devices are generally unstable, which can cause topology changes and seriously affect service continuity for other adjacent users
Previous work that either does not match reality or requires high runtime

Method used

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  • D2D network setup method based on scalable video streaming user quality of experience
  • D2D network setup method based on scalable video streaming user quality of experience
  • D2D network setup method based on scalable video streaming user quality of experience

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Experimental program
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Embodiment

[0067] The system to which this embodiment is applicable is a large-scale D2D group consisting of a large number of mobile devices. In a target area, scalable video streams are used for streaming between devices.

[0068] This embodiment focuses on the management of multimedia streaming services targeting user experience quality, and is applicable to mobile devices that combine D2D and scalable video streaming. In order to provide this service, a novel D2D network construction scheme (DMaster) is designed, including two stages of initialization and management.

[0069] Since the quality of user experience of device d in a D2D network system is very dependent on its degree and the number of layers required for the scalable video stream of its descendants, so a user quality of experience decision function is designed as: The number of scalable video stream layers received by D is s, f(QoE) is a user-oriented weighted integral, including packet error rate, energy limitation,...

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Abstract

The invention discloses a D2D network setup method based on scalable video streaming user quality of experience. D2D communication is organized into a spanning tree for transmitting scalable adaptivevideo streaming. In an initialization phase, a D2D network is organized into the spanning tree with acceptable user quality of experience and fairness. In a management phase, the service continuity isrespectively maintained under the condition that different devices arrive or depart. On the basis of a local search technology, according to the scheme, data structures of disjoint sets and the localsearch technology are combined, the reachable operation time is O [mn alpha (m, n)]. According to the scheme, the capacity of a service network can be improved, the quality of experience, fairness and continuity of the service are ensured, and a great number of users can be supported.

Description

technical field [0001] The present invention proposes a D2D multimedia network construction scheme based on scalable video streams (called DMaster), which organizes D2D communication into a spanning tree for transmission based on adaptive scalable video streams. This solution can increase the capacity of the service network, ensure the quality of experience, fairness and continuity of the service, and support a large number of users. Background technique [0002] Due to the ever-increasing demand for high bandwidth in communication networks, many issues related to communication services related to video streaming arise. Typically, users access the network through a mobile device, which connects to the Internet through a cellular link. However, due to the large number of mobile terminals participating in bandwidth-hungry services, the access points of fixed networks can hardly provide efficient bit rates for each user. Furthermore, mobile users always have specific user qua...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/70H04L29/06
CPCH04L65/80
Inventor 高晓沨郝珞尧金成铭
Owner SHANGHAI JIAO TONG UNIV
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