Multichannel real-time data transmission method of self-adaptive bandwidth

A real-time data transmission, adaptive bandwidth technology, applied in the field of network data transmission, can solve problems such as delay, packet loss, bandwidth instability, etc., to achieve the effect of increasing total bandwidth, satisfying real-time video transmission, and utilizing channel bandwidth efficiently

Inactive Publication Date: 2016-01-13
ANHUI TSINGLINK INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, compared with the wired network, the mobile communication network will have packet loss, unstable bandwidth, delay, etc., and the bandwidth cannot be compared with the wired network.

Method used

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  • Multichannel real-time data transmission method of self-adaptive bandwidth
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  • Multichannel real-time data transmission method of self-adaptive bandwidth

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Embodiment Construction

[0030] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0031] Such as figure 1 As shown, the application system involved in the present invention includes two parts, a terminal device and a backend platform. The terminal device and the back-end platform are connected through multiple IP channels. The physical form of the IP channel can be a 4G / 3G mobile communication network, or a Wi-Fi, BGAN and other communication networks.

[0032] The main related components inside the terminal equipment are: main control CPU, TCP / IP protocol stack, and hardware required for IP channels, such as 4G / 3G wireless communication modules. The main related components of the back-end platform are: IP network access, TCP / IP protocol stack and service software running on the platform.

[0033] The main working process of the present invention is to send real-time data such as audio and video to the back-end platform th...

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PUM

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Abstract

The invention provides a multichannel real-time data transmission method of a self-adaptive bandwidth. The method comprises the following steps: compounding a plurality of data streams existent on a terminal device into a converged data stream; self-adaptively adjusting code rate of each data stream according to the total data volume of the converged data stream; dividing the converged data stream into a plurality of data packets suitable for transmission volume of an IP network, and selecting an IP channel for each data packet; transmitting each data packet to a back-end platform through the IP channel selected for the data packet. Through the adoption of the method provided by the invention, a plurality of mobile channels are compounded into a communication channel, the total bandwidth of the mobile communication channel is increased, and a transmission requirement of a higher data bandwidth is satisfied; the sending rate can be self-adaptively adjusted, so that the channel bandwidth can be utilized in maximum efficiency, and the data delay can be controlled in a reasonable range, the demand of real-time video transmission is satisfied.

Description

technical field [0001] The invention relates to the technical field of network data transmission, in particular to an adaptive bandwidth multi-channel real-time data transmission method. Background technique [0002] With the improvement of everyone's awareness of public safety, there are more and more applications for video surveillance. Traditional video surveillance, whether it is an analog solution or an IP network solution, requires the use of cables to connect the front-end cameras to the back-end system. This type of method cannot meet the monitoring requirements of mobile scenarios, such as on-board and ship-mounted, nor can it meet the video surveillance in remote areas, construction sites and other places where wiring is inconvenient. [0003] The development of mobile communication technology has brought dawn to solve this difficult problem. Using the operator's 4G / 3G network to transmit video and other data can meet the monitoring requirements of mobile scena...

Claims

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Application Information

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IPC IPC(8): H04L5/00H04W8/08H04W28/20H04W72/12
CPCH04L5/00H04W8/08H04W28/20H04W72/1221H04W72/1263
Inventor 王小敏项敏敏聂勇钱立斌
Owner ANHUI TSINGLINK INFORMATION TECH
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