Viterbi decoding method, equipment and storage medium

A Viterbi decoding and decoding technology, which is applied in the field of Viterbi decoding methods, equipment and storage media, and can solve the problems of slow decoding speed and the like

Active Publication Date: 2019-03-12
RUIJIE NETWORKS CO LTD
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  • Claims
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Problems solved by technology

However, the existing Viterbi decoder still has the problem of slow decoding rate

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  • Viterbi decoding method, equipment and storage medium
  • Viterbi decoding method, equipment and storage medium
  • Viterbi decoding method, equipment and storage medium

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Embodiment Construction

[0027] In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0028] Aiming at the technical problem that the decoding rate of the existing Viterbi decoding method is relatively slow, the embodiment of the present application provides a solution, the basic principle of which is: on the basis of segmented parallel decoding of the received data sequence, for The subsequence formed by each segment further calculate...

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Abstract

The embodiment of the invention provides a Viterbi decoding method, equipment and a storage medium. The Viterbi decoding method comprises the following steps: on the basis of segmented parallel decoding of received data sequences, further, for subsequences formed by each segment, calculating branch metrics of sequence segments output at each moment at the moment state for all states within each moment in parallel, and performing parallel add-compare-select on the branch metrics of the sequence segments output at each moment at the moment state in each subsequence, thereby determining a surviving path of each subsequence; and after that, determining a decoding result of the received data sequences according to the surviving path of each subsequence. According to the Viterbi decoding methodprovided by the embodiment of the invention, in the Viterbi decoding process of the received data sequences, twice parallel calculations are introduced, which can improve the decoding rate.

Description

technical field [0001] The present application relates to the technical field of wireless communication, and in particular to a Viterbi decoding method, device and storage medium. Background technique [0002] Since the advent of convolutional codes, after continuous development, it has become the most popular channel coding method and is widely used in various wireless communication systems, such as WIFI, WIMAX, LTE, etc., so that the wireless system has a certain degree of error correction Capability and anti-interference ability, which can greatly avoid the occurrence of bit errors in bit stream transmission, and greatly improve the reliability of data transmission. [0003] When the data receiving end receives the convolutional code, it needs to use certain rules to decode the convolutional code, and Viterbi (Viterbi) decoding has been used since the algorithm was proposed due to its excellent decoding performance and decoding efficiency. That is, it has been widely use...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03M13/41
CPCH03M13/41Y02D30/70
Inventor 洪龙龙叶进
Owner RUIJIE NETWORKS CO LTD
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