Method and device for multilink data transmission
A technology of a data transmission device and a data transmission method, which is applied in the directions of digital transmission systems, transmission systems, and multiple use of transmission paths, can solve problems such as the use environment that cannot be adapted to specific applications, increase investment, and reduce investment quotas , the effect of improving the quality of data transmission
Inactive Publication Date: 2015-10-14
JIANGSU ZHUOYI INFORMATION TECH CO LTD
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Problems solved by technology
[0005] The existing data collection and transmission system is aimed at the collection and transmission of the existing general-purpose data volume and analog information, and cannot adapt to the use environment of specific applications, such as the scene where various types of information need to be collected and sent. Typical applications such as remote To control the scene, it is necessary to master various parameters and working conditions of the remote equipment, and to provide remote video surveillance images to assist in viewing the control effect
According to the functions and positioning of the products currently on the market, multiple collectors and data sending devices need to be configured for this purpose, and the investment in equipment increases
Method used
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[0014] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0015] like figure 2 As shown, a multi-link data transmission method and device, comprising:
[0016] At least one multi-channel input data D1 (digital quantity) 20, used to input the digital quantity data provided by the front-end collector;
[0017] At least one multi-channel input data A1 (analog quantity) 21, used to receive the analog quantity data provided by the front-end collector;
[0018] At least one multi-channel input video stream 22 for receiving video data provided by the front-end camera;
[0019] At least one data centralized receiving and processing module 23 is used to receive the data input by various types of collectors, and encapsulate them ...
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The invention provides a method and a device for multilink data transmission. The device comprises a digital data input interface, which is used for inputting digital data; an analog data input interface, which is used for receiving analog data; a video data input interface, which is used for receiving video data; a data concentration receiving and processing module, which is used for receiving input data, packaging the input data into RTP (Real-time Transport Protocol) messages and putting the messages in a data buffer; a network interface management module, which is used for maintaining an available network interface list and enabling a sending module to select a most suitable link for sending; a data sending module, which is used for sending data messages in a manner that a message with a minimum serial number in unsent messages is selected from the data buffer or a to-be-retransmitted message is selected from a retransmission queue; a feedback information processing module, which is used for receiving and analyzing a feedback message of each link, maintaining the retransmission queue and updating link quality information; and a data sending network interface, which is used for wireless or wired sending of data. According to the method and the device, multilink transmission can be carried out on multiple types and formats of data, the bandwidth is reasonably used, and the data transmission quality is improved.
Description
technical field [0001] The invention relates to a multi-link data transmission method and device. Background technique [0002] The multi-link data transmission method and device are mainly aimed at data collection and data transmission technology. This technology and product are essentially different from general-purpose products on the market. The present invention considers the comprehensiveness of the source data format and supports multiple types of data The unified encoding and packet encapsulation of the data transmission considers the multi-link aggregation technology, which can effectively use the bandwidth and improve the quality of data transmission. [0003] figure 1 It is a schematic diagram of the structure of the existing data acquisition and transmission system. Combine now figure 1 , to describe the structure of the existing data acquisition and transmission system, as follows: [0004] The existing data acquisition and transmission system includes: mult...
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IPC IPC(8): H04L5/00H04N5/765
Inventor 谢乾沈勤中龚俊邵虎汪涛
Owner JIANGSU ZHUOYI INFORMATION TECH CO LTD