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Data processing method and device

A technology for data and header data, applied in the field of data processing methods and devices, can solve problems such as incomplete solutions for data processing, and achieve the effect of compensating large frequency offset values ​​and realizing simplicity

Active Publication Date: 2017-01-11
SANECHIPS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the process of using optical fiber for data transmission, there is no perfect solution for how to process data when the large frequency deviation of the data is ±Pi / 2

Method used

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Embodiment Construction

[0033] In order to better understand the technical solution of the present invention, the process of sending data to the transmission network will be described in detail below.

[0034] For the sender of data, the processing flow of sending data, such as figure 1 shown, including the following steps:

[0035] Step 101, after grouping the data, distribute the data to different data channels;

[0036]Specifically, the grouped data is usually distributed to four LAN emulations (LAN Emulation, Lane), and the four Lanes are defined as XI, XQ, YI or YQ respectively; wherein, when the data on XI and XQ are transmitted on the optical fiber, The bonding is transmitted on the X polarization state, and when the data on YI and YQ are transmitted on the optical fiber, the bonding is transmitted on the Y polarization state.

[0037] Step 102, encode the data on the data channel.

[0038] Step 103, inserting the encoded data into the frame header data sequence according to the data frame ...

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Abstract

The present invention discloses a data processing method, and the method comprises the steps: obtaining differential decoded data according to the data of a transmission network; extracting a data sequence to be detected from the differential decoded data and obtaining a local detection header data sequence; obtaining the frame header information of the differential decoded data according to the data sequence to be detected, the local detection frame header data sequence and a preset first threshold and a preset second threshold; according to the inversion information and the large frequency offset value of the data of the transmission network according to the frame header information of the differential decoded data while confirming that the data of the transmission network enters a frame synchronization state; and compensating for the data of the transmission network according to the inversion information and the large frequency offset. The embodiment of the present invention also discloses a data processing device.

Description

technical field [0001] The present invention relates to the technical field of data processing, in particular to a data processing method and device. Background technique [0002] Optical fiber is considered an important medium for data transmission, and the use of optical fiber to transmit data has gone through the following three stages: space division multiplexing (Space Division Multiplexing, SDM), time division multiplexing (Time Division Multiplexing, TDM) and wavelength division multiplexing (Wavelength Division Multiplexing, WDM). [0003] Up to now, the wired transmission is still dominated by the WDM system. With the development of the end of communication, the commercial 40G WDM transmission has gradually evolved into 100G, and even 400G WDM transmission; at the same time, the distance of data transmission is also constantly Therefore, many problems such as chromatic dispersion, polarization film dispersion and strong filtering effect caused by the wavelength div...

Claims

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Application Information

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IPC IPC(8): H04B10/25H04L1/00
Inventor 何开江
Owner SANECHIPS TECH CO LTD