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Method for optimizing video QoS of video wireless transmission monitoring system

A wireless transmission and monitoring system technology, applied in closed-circuit television systems, digital video signal modification, television, etc., can solve the problems of slow wireless video transmission transmission speed, poor transmission quality and stability, etc., to improve transmission quality and stability, The effect of increasing clarity and improving utilization

Inactive Publication Date: 2011-05-25
苏州博联科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is: to propose a video QoS optimization method for a wireless video transmission monitoring system to solve the problem of slow transmission speed and low transmission speed in existing wireless video transmission. Problems with poor quality and stability

Method used

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  • Method for optimizing video QoS of video wireless transmission monitoring system
  • Method for optimizing video QoS of video wireless transmission monitoring system
  • Method for optimizing video QoS of video wireless transmission monitoring system

Examples

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Embodiment

[0030] Example: such as figure 1 As shown, the 3G network-based wireless video transmission monitoring system includes a video signal collection, processing and transmission terminal 1, a 3G wireless network 2, and a video signal receiving and playing server 3. Such as figure 2 As shown, the video signal acquisition processing transmission terminal 1 includes: video signal acquisition equipment, video analog-to-digital conversion module, video compression processing module, 3G radio frequency module and central control processor.

[0031] Such as figure 1 As shown, the wireless transmission method based on 3G network optimization video QoS of the present invention establishes three links between the video collection processing transmission terminal and the video receiving and playing video signal receiving and playing server. Among them, the first link shown by the dotted line is the control link for the video signal receiving and playing server to the video signal acquisit...

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Abstract

The invention discloses a method for optimizing the video quality of service (QoS) of a video wireless transmission monitoring system. In the wireless communication process of a video signal acquisition processing transmission terminal and a video signal receiving play server, the video signal receiving play server counts video stream data packets sent by the video signal acquisition processing transmission terminal in real time, analyzes and judges the data packets, and sends feedback information to the video signal acquisition processing transmission terminal when a video parameter is needed to be adjusted, and the video signal acquisition processing transmission terminal receives the feedback information and adjusts the video parameter. By the method, video resolution and code stream are dynamically adjusted, and the transmission characteristic is controlled in real time, so that the packet loss rate is reduced, the definition of a transmitted frame is increased, the utilization rate of a wireless network is improved, and video transmission quality and stability are greatly improved; therefore, the video wireless transmission monitoring system can adjust video transmission code rate and resolution at different times according to the real-time condition of the network.

Description

technical field [0001] The invention relates to the technical field of video data wireless collection and transmission, in particular to a network optimization method for improving the QoS of a video collection and transmission system. Background technique [0002] With the development of domestic 3G networks, people's demand for mobile communication services has changed from a single voice demand to a demand for video and audio. The multimedia communication service integrating voice, data and video has become a hot spot in the field of communication. [0003] The invention application with the application date of December 1, 2009, the application number 200910250002.5, and the publication number 101877787A discloses a 3G network-based wireless video transmission monitoring system, including at least one video signal acquisition and processing terminal, a 3G network and a The server; the video signal collection and processing terminal includes a video signal collection devi...

Claims

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Application Information

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IPC IPC(8): H04N7/64H04N7/18H04N19/89
Inventor 王琢玉张杰于晓晨祝贺
Owner 苏州博联科技有限公司
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