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Decoding method, device and equipment

A decoding and symbol technology, applied in the field of digital communication, can solve problems such as distortion, misjudgment of level value, and signal glitches

Active Publication Date: 2020-12-18
RUIJIE NETWORKS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In the actual application process, due to the existence of noise at the sampling time, the level value obtained by sampling may have defects such as signal glitches and distortions, which leads to misjudgment of the level value in the existing decoding process, and the probability of misjudgment is high

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  • Decoding method, device and equipment
  • Decoding method, device and equipment
  • Decoding method, device and equipment

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Embodiment Construction

[0049] 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 creative efforts fall within the protection scope of the present invention.

[0050] Figure 1a It is a schematic structural diagram of a communication system provided by an embodiment of the present application. Such as Figure 1a As shown, the communication system includes a receiving end 10 and a sending end 20 . The receiving end 10 and the sending end 20 can communicate with each other. The sending end 20 is mainly u...

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Abstract

The embodiment of the invention provides a decoding method, device and apparatus. The method comprises the steps of carrying out baseband processing on a current signal from a sending end, thereby obtaining a to-be-decoded sequence, wherein each code element in the to-be-decoded sequence comprises N sample points, and the N is a positive integer; carrying out maximum likelihood sequence detectionon each code element according to K coding sequences of which point number is N under a coding mode employed by the sending end and a sate conversion relationship among the K coding sequences, therebyobtaining matching degree between each code element and the K coding sequences, wherein the K is the positive integer; determining the coding sequence of which matching degree with each code elementis the maximum from the K coding sequences according to the matching degree between each code element and the K coding sequences; and acquiring a decoding result of each code element according to thecoding sequence of which matching degree with each code element is the maximum. According to the embodiment of the invention, in a process of decoding the current signal from the sending end, a misjudgment rate in the decoding process can be reduced.

Description

technical field [0001] The present application relates to the technical field of digital communication, and in particular to a decoding method, device and equipment. Background technique [0002] In digital communication systems, decoding is the inverse of encoding. Usually, the level value obtained by sampling can be used to restore the binary symbol before encoding through a certain decoding rule. [0003] Existing decoding methods usually perform decoding according to the level change characteristics of each symbol within a symbol period and the level change characteristics between adjacent symbol periods. [0004] In the actual application process, due to the existence of noise at the sampling time, the level value obtained by sampling may have defects such as signal glitches and distortions, which leads to misjudgment of the level value in the existing decoding process, and the probability of misjudgment is high. . Therefore, it is urgent to provide a decoding method...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00
CPCH04L1/0015H04L1/0033H04L1/0054
Inventor 林淦斌
Owner RUIJIE NETWORKS CO LTD