Control method of data transmission rate

A technology of data transmission rate and control method, applied in the field of streaming media transmission, which can solve the problems of network bandwidth exhaustion, adjustment, and no solution proposed, and achieves the improvement of real-time performance and effectiveness, improvement of QoS, and effective adjustment of transmission rate. Effect

Active Publication Date: 2015-05-13
贵州逸达科技有限公司
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Problems solved by technology

The transmission of streaming media data on the Internet relies on network transmission protocols, including TCP and UDP transmission protocols. If multimedia data is transmitted with a protocol that does not have any sorting, retransmission and congestion control, the network bandwidth will be exhausted rapidly, and with The deterioration of the network status and the increase in the number of lost packets 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 streaming media 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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  • Control method of data transmission rate

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Embodiment Construction

[0032] The following is attached to illustrate the principle of the present invention Figure one A detailed description of one or more embodiments of the present invention is provided together. The present invention is described in conjunction with such an embodiment, but the present invention is not limited to any embodiment. The scope of the present invention is limited only by the claims, and the present invention covers many alternatives, modifications and equivalents. In the following description, many 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 present invention can be implemented according to the claims without some or all of these specific details.

[0033] 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 streaming media servers, long-distance WAN communic...

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Abstract

The invention provides a control method of data transmission rate. The control method of the data transmission rate includes that a streaming media server detects a QoS (quality of service) index, and judges a current network congestion state; master control delay of sending of a data package is adjusted according to the current network congestion state, and network throughput is controlled by using the master control delay. The control method of the data transmission rate is a transmission control method directed at the streaming media server limited in hardware condition, improves instantaneity and validity of streaming media transmission, effectively adjusts the transmission rate, and significantly improves QoS.

Description

Technical field [0001] The invention relates to network transmission and communication, in particular to a streaming media transmission method. 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 multimedia data under limited network bandwidth, and avoid network congestion, has become video and voice One of the development directions of other media servers. The transmission of streaming media data on the Internet relies on network transmission protocols, including TCP and UDP transmission protocols. If a protocol that does not have any sorting, retransmission and congestion control is used to transmit multimedia data, the network bandwidth will be quickly exhausted, and with The deterioration of the network status and the increase in the number of lost packets will also affect the transmission quality. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/811H04L12/851
Inventor 陈海清刘宇波
Owner 贵州逸达科技有限公司
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