Method for simulating data flow flash

A technology of data flow and flash disconnection, which is applied in the direction of data exchange network, digital transmission system, electrical components, etc., and can solve problems such as inability to perform online testing, business interruption, and small quantity

Inactive Publication Date: 2006-01-18
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] 1. For communication systems in practical applications, sometimes it is necessary to simulate data flow flashes for performance testing, but in the prior art testing, external testing instruments must be connected, and online testing cannot be performed
Since the external test instrument means that the original link needs to be interrupted and then connected to the test instrument, this will inevitably lead to business interruption
[0010] 2. Because the test instruments are designed for specific services such as Synchronous Digital Hierarchy (SDH, Synchronous Digital Hierarchy), Plesiochronous Digital Hierarchy (PDH, Plesiochronous Digital Hierarchy), etc., the International Telecommunications Union (ITU-T, International Telecommunications Union), the United States The National Standardization Orga...

Method used

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  • Method for simulating data flow flash
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  • Method for simulating data flow flash

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Embodiment Construction

[0047] The invention discloses a method for simulating a data flow flash, and the method can be applied to such as image 3 The simulated data flow flash system is shown. The system includes a logic chip 310 , and the logic chip 310 includes an input interface 311 , an output interface 312 , and a programming interface 313 . The input interface 311 is externally connected to a data source 300 , the output interface 312 is externally connected to a post-stage circuit 320 , and the programming interface 313 is externally connected to a processor (CPU) 330 .

[0048] The data flow from the data source 300 enters the logic chip 310 from the input interface 311, the logic chip 310 simulates the flash of the data flow, and correspondingly outputs the data flow or other levels to the subsequent circuit 320 through the output interface 312; the processor 330 is programmed The interface 313 writes control information into the logic chip 310 , and then controls parameters such as the f...

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Abstract

This invention relates to a method for imitating data flow cutoff, applying logical chip system with imitating data flow cutoff function. It comprises the following steps: A, the logical chip will transfer the data flow between data resource and rear circuit, deciding whether it reach to cutoff space, if it is, go to step B; if not, go on step A; B, knocking off the data flow, deciding whether it reach to the cutoff time according to the transmitted signal, if it is, return to step A; if not, go on step B; C, closing the test, blinding the cutoff function. Said invention can realize imitating data flow cutoff with various speed and interface on line, and control the type, time and space of the cutoff precisely.

Description

technical field [0001] The invention relates to a method for controlling data stream transmission in electronic technology, in particular to a method for simulating the intermittent interruption of data streams. Background technique [0002] Data flow is the form of information transmission in electronic technology, and the level characteristics and encoding methods are related to specific applications. During data streaming, "flicker" may occur. For example, the random interruption and recovery of data streams lead to abnormal information transmission, which is called "flash" in the field of communication technology; the transmission of TV video signals is sometimes interrupted instantaneously or temporarily, which is called "flash" in the field of radio frequency reception technology. Also known as "flash". Interruptions can be caused by various factors, among others, environmental factors such as lightning or climate change, building interference, electrical or electron...

Claims

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Application Information

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IPC IPC(8): H04L12/26
Inventor 高俊恩
Owner HUAWEI TECH CO LTD
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