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Method, device and system for detecting frame boundaries

A technology for detecting frames and boundaries, applied in the field of communication, can solve problems such as missynchronization, and achieve the effect of enhancing anti-interference and realizing fuzzy synchronization.

Active Publication Date: 2021-12-21
HISILICON TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The embodiment of the present application provides a method, device and system for detecting frame boundaries, which can be used to solve the problem of missynchronization in the prior art when the received data is a sequence of all 0s

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  • Method, device and system for detecting frame boundaries
  • Method, device and system for detecting frame boundaries
  • Method, device and system for detecting frame boundaries

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Embodiment Construction

[0042] In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described below in conjunction with the accompanying drawings.

[0043] The system architecture and business scenarios described in the embodiments of the present application are for more clearly illustrating the technical solutions of the embodiments of the present application, and do not constitute limitations on the technical solutions provided by the embodiments of the present application. The evolution of the technology and the emergence of new business scenarios, the technical solutions provided in the embodiments of this application are also applicable to similar technical problems.

[0044] combined reference image 3 , which shows a schematic diagram of an implementation environment provided by an embodiment of the present application. The implementation environment may be a communica...

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Abstract

The embodiment of the present application discloses a method, device and system for detecting frame boundaries. The method includes: the receiving end receives the scrambled data sent by the sending end, and the scrambled data is obtained after scrambling the coded data corresponding to the original data; the receiving end performs adjoint calculation on the n most recently received data blocks, The calculation results corresponding to the n data blocks are obtained; if there are p syndrome results in the calculation results corresponding to the n data blocks that are non-zero constants, the receiving end determines that a frame boundary is detected in the n data blocks. In the embodiment of this application, by performing scrambling processing on the encoded data at the sending end, when the subsequent receiving end detects the frame boundary, there are p adjoint results that are non-zero in the calculation results corresponding to the latest n data blocks Constant, then confirm the detection of the frame boundary, thereby avoiding missynchronization at the receiving end when the received data is a sequence of all 0s, and improving the anti-interference performance of link synchronization.

Description

technical field [0001] The embodiments of the present application relate to the field of communication technologies, and in particular to a method, device, and system for detecting frame boundaries. Background technique [0002] In the communication system, in order to correctly separate the signals of each time slot, the start mark and end mark of each frame are provided at the sending end, and the process of detecting and obtaining the above marks at the receiving end is called "frame alignment". ". combined reference figure 1 , which shows a schematic diagram of frame synchronization. The sending end encodes the original data, and then sends the encoded data to the receiving end through the communication link, and the receiving end decodes the encoded data under frame synchronization to obtain the original data. [0003] At present, the receiving end usually realizes frame synchronization by detecting the frame boundary, that is, detecting the start marker and the end ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00
CPCH04L1/0041H04L1/0045
Inventor 邱贤文
Owner HISILICON TECH
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