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User side-based coaxial network link quality detection method

A link quality detection, coaxial network technology, applied in the direction of line transmission monitoring/testing, line transmission components, etc., can solve the problem of unable to detect branch/distributor or coaxial cable signal transmission quality, etc.

Active Publication Date: 2015-05-27
SHANGHAI BROADBAND TECH
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Problems solved by technology

[0005] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a coaxial network link quality detection method initiated by the client, which is used to solve the problem that the prior art cannot detect and locate the branch / distributor in the coaxial link. or problems with the quality of the coaxial cable signal transmission

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  • User side-based coaxial network link quality detection method
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  • User side-based coaxial network link quality detection method

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Embodiment Construction

[0040]Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention.

[0041] see figure 1 , the present invention provides a coaxial network link quality detection method initiated by a user terminal, the coaxial network is connected between a coaxial access head end and a coaxial access user end, and the method includes:

[0042] Step S1: Initiate a time domain reflection test at the coaxial access client;

[0043] Step S2: receiving a time domain reflection signal at the coaxial access user end;

[0...

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Abstract

The invention provides a user side-based coaxial network link quality detection method which comprises the following steps: initiating time domain reflection test at a coaxial access user side; receiving time domain reflection signals at the coaxial access user side; testing the coaxial cables of the coaxial network one by one from the coaxial access user side to a coaxial access head side according to the received time domain reflection signals of corresponding coaxial cables so as to judge whether faults occur; when testing that one coaxial cable does not have fault and judging that the coaxial cable is connected with a branch / distributor, analyzing the impedance matching condition of the branch / distributor and the connected coaxial cable according to the time domain reflection signal corresponding to the branch / distributor so as to determine the link quality. The method is initiated from user family side, so that the transmission quality of the coaxial cable and the branch / distributor in the coaxial network link can be rapidly checked, high convenience and correctness are provided, and the commercial additional values of the broadband and TV businesses are greatly increased at the same time.

Description

technical field [0001] The invention relates to the technical field of communication testing, in particular to a method for testing the link quality of a coaxial network. Background technique [0002] With the two-way transformation of the cable TV network and the construction of China's Next Generation Broadcasting Network (NGB), the coaxial network link, as the transmission medium of the last section of the cable network, plays an increasingly important role. . NGB's coaxial network not only bears one-way broadcast and TV services, but also carries two-way broadband services by using Ethernet over Coax (EOC) or C-DOCSIS broadband access technology. Therefore, the coaxial network Higher requirements are put forward for the performance index and link quality. [0003] The current network management system only manages the broadband access equipment deployed in the coaxial network, but lacks the monitoring of coaxial cables, branches / distributors and other devices in the co...

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Application Information

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IPC IPC(8): H04B3/46
Inventor 李进卢刘明
Owner SHANGHAI BROADBAND TECH
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