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System and method for multi-buffering non-constant-speed code transmission of real-time service in intensive communication

A technology of transmission system and real-time service, applied in the field of multi-buffer non-constant-speed code transmission system, to achieve the effect of ensuring continuity, smooth switching, and overcoming delay characteristics

Inactive Publication Date: 2014-05-07
TSINGHUA UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, most of the literature and patents at home and abroad only consider the design and research of non-constant speed coding under ideal feedback channels. Therefore, there is an urgent need for a real-time service transmission system that can effectively resist the feedback channel non-ideality

Method used

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  • System and method for multi-buffering non-constant-speed code transmission of real-time service in intensive communication
  • System and method for multi-buffering non-constant-speed code transmission of real-time service in intensive communication
  • System and method for multi-buffering non-constant-speed code transmission of real-time service in intensive communication

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Embodiment Construction

[0028]In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0029] figure 1 It is a block diagram of a multi-buffer non-constant-speed code transmission system (hereinafter referred to as a multi-buffer non-constant-speed code transmission system) for real-time services in intensive communication according to an embodiment of the present invention, Figure 5 It is a framework diagram of a multi-buffer non-constant-speed code transmission system according to an example of the present invention. The video file transmission is taken as an example below, and how the system performs data transmission is described in detail in conjunction with the accompanying drawings.

[0030] from figure 1 It can be seen that the multi-buffer non-constant-speed code transmission system mainly includes an encoding end 10 , a transmission mediu...

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Abstract

The invention discloses a system and method for multi-buffering non-constant-speed code transmission of real-time service in intensive communication. The system comprises a coding terminal, at least two communication links and a decoding terminal, wherein the coding terminal sequentially conducts LT code coding on a plurality of information groups formed by dividing a video streaming so that a plurality of groups of multi-buffing LT codes can be obtained, and the obtained multi-buffering LT codes are sent by the coding terminal; the decoding terminal conducts LT code decoding on all the groups of multiple-buffering LT codes which are received accumulatively, so that corresponding information groups are obtained, and corresponding decoding buffering zones are emptied; when one communication link breaks down, other communication links are adopted to conduct data transmission through switching or other communication links and the communication link which breaks down are selected to conduct data communication at the same time. According to the system for multi-buffering non-constant-speed code transmission of the real-time service in intensive communication, when feedback links are not ideal in intensive communication, for example, the delay of one feedback link is long or the upstream link and the downstream link do not correspond to each other, real-time data can be transmitted efficiently and reliably; due to the feature of the non-constant speed codes, switching between the communication links is smoother.

Description

technical field [0001] The invention relates to the technical field of wireless communication, in particular to a multi-buffer non-constant-speed code transmission system and method for real-time services in intensive communication. Background technique [0002] Mobile communication is an important infrastructure of the information society, and the development of broadband wireless mobile communication is the basic strategic demand of our country. At the same time, with the great enrichment of cultural life of our people in the information society and the popularization of smart phones, tablets, and laptops, the mobile data business volume has almost exponentially increased. On the other hand, with the acceleration of urbanization in our country, the degree of urban population density is constantly upgrading, and due to the limitation of land resources, the development of modern cities is shifting from flat extension to three-dimensional extension, which also makes the numbe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00
Inventor 赵少华陈巍白铂牛志升曹志刚
Owner TSINGHUA UNIV
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