Multimedia data transmission method of concurrent access of multiple threads

A multimedia data and data transmission technology, applied in digital transmission systems, transmission systems, data exchange networks, etc., can solve problems such as bandwidth limitations, achieve the effects of avoiding congestion, increasing flexibility, and overcoming bandwidth bottlenecks

Inactive Publication Date: 2008-11-19
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, this technology is still under research. The use of this technology solves the problem of bandwidth limitation to a certain extent, but it also raises new problems, such as how to adjust each link under the limited bandwid

Method used

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  • Multimedia data transmission method of concurrent access of multiple threads
  • Multimedia data transmission method of concurrent access of multiple threads
  • Multimedia data transmission method of concurrent access of multiple threads

Examples

Experimental program
Comparison scheme
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Example Embodiment

[0053] The invention is suitable for real-time multimedia data transmission scenarios. For example, the data source S needs to send the collected real-time multimedia data to the destination server D. Using the method proposed in the present invention, the data source S first establishes a connection with the networks belonging to different operators, and sends the data to each in a segmented manner. The relay server in the network is then sent to the destination server by the relay server via the network edge router via a dedicated line.

[0054] The said networks belonging to different operators can be the same type of network or different types of networks. Taking three networks as an example, they can all be Wi-Fi TM , Wi-MAX TM Other wireless networks or mobile networks such as CDMA, GSM, or one of the networks is Wi-Fi TM Network, and the other two networks are CDMA networks, or the three networks are GSM network, CDMA network, Wi-MAX TM The internet.

[0055] The multi-chan...

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Abstract

The invention relates to a multi-link concurrent access multimedia data transmission method. The present method that using a single operator to provide transmission bandwidth can not support the high quality and real time transmission of multimedia service. The invention provides a multi-link concurrent access multimedia data transmission method which includes the server information acquisition, the segmentation of the data to be transmitted, the data transmission, and priority distinguished data transmission and data protection. Wherein, the data transmission includes an alternative test cycle and a data cycle; in the test cycle, the transmitting equipment test the performance of the data transmission link and the access link; in the data cycle, the transmitting equipment transmits data at each link according to the test result of the test cycle, thereby making full use of the link bandwidth resource and avoiding the link congestion. The multi-link concurrent access multimedia data transmission method of the invention adopts the transmission type by distinguishing the priority of different data at different priority; thereby ensure the transmission reliability of the high priority data.

Description

technical field [0001] The invention belongs to the field of multimedia data transmission, and relates to a method for transmitting multimedia data to a server with real-time requirements, specifically a method for simultaneously accessing multiple wireless networks, and transmitting the collected multimedia data to a server in real time in a concurrent manner. A high-speed data transmission method for a multimedia service server. Background technique [0002] The continuous improvement of network transmission speed enables the realization of real-time multimedia services. For example, some reporters transmit the data of on-site interviews to the server providing multimedia services in real time through the wired network, so users can watch the latest on-site reports at the first time by accessing the multimedia service server. . Real-time transmission of multimedia data to the server is the basic prerequisite for users to enjoy real-time services. However, due to the limit...

Claims

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Application Information

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IPC IPC(8): H04L1/00H04L1/18H04L12/56H04L12/801
Inventor 谢磊金煦陈惠芳
Owner ZHEJIANG UNIV
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