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A method and device for processing network data transmission

A technology for data transmission and network processing, applied in the field of network transmission and communication, it can solve the problems of network bandwidth exhaustion, adjustment, and no solutions are proposed, and achieve the goal of improving real-time performance and effectiveness, improving QoS, and effectively adjusting the transmission rate. Effect

Inactive Publication Date: 2017-09-15
江苏星地通通信科技有限公司
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  • Application Information

AI Technical Summary

Problems solved by technology

The transmission of video data on the Internet relies on network transmission protocols, including TCP and UDP transmission protocols. If video data is transmitted with a protocol that does not have any sorting, retransmission and congestion control, the network bandwidth will be exhausted rapidly, and as the channel The deterioration of the congestion state and the increase in the number of packet loss will also affect the transmission quality
The existing congestion control is not suitable for embedded devices with limited hardware conditions. It has not been adjusted according to the characteristics of embedded devices, and cannot meet the real-time and accuracy of video data in embedded devices.
Therefore, for the above-mentioned problems existing in related technologies, effective solutions have not yet been proposed

Method used

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  • A method and device for processing network data transmission

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Embodiment Construction

[0030] The following and accompanying appendices illustrating the principles of the invention Figure 1 A detailed description of one or more embodiments of the invention is provided together. The invention is described in connection with such embodiments, but the invention is not limited to any embodiment. The scope of the invention is limited only by the claims and the invention encompasses numerous alternatives, modifications and equivalents. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. These details are provided for the purpose of example and the invention may be practiced according to the claims without some or all of these specific details.

[0031] The purpose of congestion control is to control network throughput, so as to achieve low packet loss rate, low network delay and low jitter. For the video data server, the long-distance WAN communication is a major feature of it...

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Abstract

The invention provides a method and device for processing network data transmission. The method comprises the following steps: a server side obtains video data to be sent from a buffering region; after a timestamp and a serial number are added, the video data is sent to a client; feedback from the client is received, and sending delay is modified when a new speed adjusting parameter is obtained; the client receives the video data from the server side and then obtains video content data, the serial number and the timestamp, carries out channel congestion status judgment according to a pre-defined congestion control strategy, and calculates the sending delay; and then the new speed adjusting parameter is calculated and then is sent to the server side. According to a transmission control device aiming at a video data server with limited hardware conditions, provided by the invention, the instantaneity and effectiveness of video transmission are improved, the transmission speed is effectively adjusted, and the QoS (Quality of Service) is remarkably improved.

Description

technical field [0001] The invention relates to network transmission and communication, in particular to a video transmission method and device. Background technique [0002] In recent years, with the rapid development of the Internet and information technology, as well as the combination of servers and the Internet, how to optimize network protocols, efficiently transmit video data under limited network bandwidth, and avoid network congestion has become an important issue for media servers. One of the directions of development. The transmission of video data on the Internet relies on network transmission protocols, including TCP and UDP transmission protocols. If video data is transmitted with a protocol that does not have any sorting, retransmission and congestion control, the network bandwidth will be exhausted rapidly, and as the channel The deterioration of the congestion state and the increase in the number of packet loss will also affect the transmission quality. Ex...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N21/6373H04N21/647H04N21/238
CPCH04N21/23608H04N21/238H04N21/6373H04N21/647
Inventor 苏宗田刘宇波
Owner 江苏星地通通信科技有限公司
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