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Signal data mode matching method and system and framer

A technology of data mode and signal data, applied in the field of optical network, can solve the problem of slow matching speed, achieve the effect of improving speed and efficiency, and realizing simple, convenient and fast mode search

Active Publication Date: 2011-06-08
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Embodiments of the present invention provide a signal data pattern matching method, system, and framer, which are used to solve the problem in the prior art that optical signal data pattern matching needs to increase peripheral circuits, resulting in slow matching speed

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  • Signal data mode matching method and system and framer
  • Signal data mode matching method and system and framer
  • Signal data mode matching method and system and framer

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Embodiment Construction

[0024] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer and clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0025] Aiming at the problems in the prior art that the data is pattern searched before being input into the framer, the matching speed is slow, the efficiency is low, and the support of the peripheral feedback circuit is required in the process of realizing the pattern matching of the data, the embodiment of the present invention provides a signal The data pattern matching method realizes the matching of the data pattern in the framer, specifically by performing frame header detection on the signal of each channel input into the framer, and the method i...

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Abstract

The invention discloses a signal data mode matching method and system and a framer. The method comprises the following steps: detecting a frame header for a signal input into each path of the framer, i.e. outputting the signal data of the path in which a preset positive frame header is detected; carrying out negative frame header detection on the signal of the path in which the positive frame header is not detected; carrying out inverse operation on the signal data of the path in which the negative frame header is detected, and then outputting the signal data, wherein the negative frame header is obtained by carrying out the inverse operation on the positive frame header; and sorting data output by each path to obtain the output data of the framer. The method is realized in the framer and is simple and easy to realize, signal feedback is not needed, the circuit cost is saved, and the matching speed is improved.

Description

technical field [0001] The invention relates to the technical field of optical networks, in particular to a signal data pattern matching method, system and framer suitable for a 100G optical transmission system. Background technique [0002] With the rapid growth of bandwidth demand in the bearer network market, 100GE ports have been widely used on core routers, and supporting 100G long-distance transmission has become a clear development direction for high-density multiplexer (DenseWavelength-Division Multiplexing, DWDM) equipment. [0003] For the 100G Optical Transport Network (OTN) standard, ITU-T (International Telecommunication Union-TELECOMMUNICATION, International Telecommunication Union-Telecommunications Field) has formulated the relevant package definition of OTU4 (Optical Channel Transport Unit, Optical Channel Transport Unit) , among them, the optical signal rate of OTU4 on the line side is about 112Gb / s. The code rate of the electrical signal of the component ...

Claims

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Application Information

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IPC IPC(8): H04Q11/00H04L1/00
CPCH04Q11/00H04L1/00H04Q2213/13216
Inventor 康凯沈百林
Owner ZTE CORP