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2M transmission line-based in-band communication method

An in-band communication and transmission line technology, applied in the transmission system, digital transmission system, electromagnetic wave transmission system, etc., can solve the problem of increasing resources and achieve the effect of realizing the whole network monitoring and low cost

Active Publication Date: 2012-04-25
北京荣达千里科技有限公司
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

Out-of-band communication can complete the two-way communication between the central control equipment and the monitoring device, but additional resources need to be added

Method used

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  • 2M transmission line-based in-band communication method
  • 2M transmission line-based in-band communication method

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Experimental program
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Embodiment Construction

[0016] See attached figure 1 , the present invention uses a Sa bit resource for in-band communication, the central control device encodes each monitoring device, and each monitoring device corresponds to a unique code, when the central control device broadcasts through the downlink channel, the monitoring device receives the broadcast and judges Which monitoring device the command is sent to, if it is sent to itself, the command will be executed, if it is sent to other monitoring devices, it will not be processed. After receiving the command, the monitoring device sends the data back to the central control equipment through the uplink channel. During the entire communication process, the central control equipment should manage each monitoring device in time-sharing, agree on the time slice for the return, and prevent more than two monitoring devices from uploading data at the same time. In the idle time when there is no data transmission, the monitoring device will upload hea...

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Abstract

The invention provides a 2M transmission line-based in-band communication method. A Sa bit resource is adopted for in-band communication; a central control device codes each monitoring device, and each monitoring device corresponds to a unique code; when the central control device broadcasts through a downlink channel, each monitoring device receives the broadcast and judges whether the command is sent to itself; if the command is sent to the monitoring device itself, the monitoring device executes the command; and if the command is sent to other monitoring devices, the monitoring device doesnot process the command. After the monitoring device receives the command, the monitoring device transmits data back to the central control device through an uplink channel. In the whole communication process, the central control device performs time sharing management on the monitoring devices and appoints time slices for back transmission to avoid more than two monitoring devices simultaneouslyuploading the data. In the idle time that data is not transmitted, the monitoring devices upload pulses to the central control device in a time sharing way so as to show that the monitoring devices work normally.

Description

technical field [0001] The invention relates to communication transmission and monitoring, in particular to an in-band communication method based on a 2M transmission line. Background technique [0002] In the 2M transmission system, if you want to monitor the transmission quality of the system in sections and quickly determine the location of the fault when the system fails, it is often necessary to connect multiple monitoring devices in series to the 2M transmission system, through out-of-band or in-band communication, The central control device can control the monitoring device in the system, and the monitoring device can transmit the test results to the central control device, which can be connected to the network management for system monitoring. The out-of-band communication can complete the two-way communication between the central control equipment and the monitoring device, but additional resources need to be added. Contents of the invention [0003] The purpose ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24H04L12/26H04B10/08
Inventor 宋建立陈风波
Owner 北京荣达千里科技有限公司
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