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Method, device and system for processing idle blocks in burst data blocks

A burst data, IDLE technology, applied in the field of communication, can solve the problems of access or deletion, different, etc.

Active Publication Date: 2017-09-29
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, when there are multiple FEC methods in the EPoC system, different lengths of burst data will determine the number of IDLEs that need to be inserted or deleted. How to insert or delete different numbers of IDLEs for burst data of different lengths , there is currently no solution

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  • Method, device and system for processing idle blocks in burst data blocks
  • Method, device and system for processing idle blocks in burst data blocks
  • Method, device and system for processing idle blocks in burst data blocks

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Embodiment Construction

[0064] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0065] figure 1 It is a flow chart of Embodiment 1 of the IDLE processing method in the burst data block of the present invention. Such as figure 1 As shown, the method provided in this embodiment may be executed by a network device, and the method provided in this embodiment may include:

[0066] S101. When the last data frame is sent wit...

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Abstract

Embodiments of the present invention provide a method, device and system for processing IDLE in a burst data block. The method includes: when the last data frame is sent within one sending period of the burst data block, judging that when the sum of the length of the first data frame and the code word offset corresponding to the second data frame is less than the first forward For the first parameter corresponding to the error correction FEC type, the sum of the length of the first data frame and the codeword offset corresponding to the second data frame is used as the codeword offset corresponding to the first data frame, and according to the first data The codeword offset corresponding to the frame determines the number of IDLE blocks that need to be inserted after the first data frame, and the second data frame is the data frame that is located before the first data frame and is immediately adjacent to the first data frame in the burst data block; according to Determines the number of IDLE blocks to insert after the first data frame. In order to make the system select the number of IDLEs that need to be inserted or deleted according to the length of the burst data.

Description

technical field [0001] The present invention relates to communication technology, in particular to a method, device and system for processing idle blocks IDLE in burst data blocks. Background technique [0002] Forward Error Correction (FEC for short) can protect the transmitted signal by encoding the original signal at the sending end to generate verification information, and the receiving end can use these verification information to recover from the interfered signal. For the original signal, commonly used FEC types include Low Density Parity Check Code (LDPC for short), Reed-Solomon (Reed-Solomon, RS for short) code and Convolution Codes (CC for short). . [0003] In the Ethernet Passive Optical Network (EPON for short), since the optical fiber medium is less disturbed by noise, the EPON physical layer uses a fixed RS code to protect the transmitted signal. In an EPON protocol-based coaxial distribution network (EPON Protocol over Coaxial Distribution Network, EPoC for...

Claims

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Application Information

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IPC IPC(8): H04L1/00
CPCH04L1/0083H04L1/004
Inventor 司小书孙方林吴广生张利欧阳涛
Owner HUAWEI TECH CO LTD
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