On-demand decoding method and device

A decoding device and a decoding technology, which are applied in the field of decoding technology, can solve problems such as high decoding complexity and high decoding power consumption, and achieve reduced system power consumption, reduced algorithm complexity, and reduced connection complexity Effect

Pending Publication Date: 2022-01-04
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] This application provides a decoding method, which solves the problems of high decoding complexity and high decoding power consumption in the prior art by prioritizing input codewords and scheduling decoding on demand

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  • On-demand decoding method and device

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Embodiment Construction

[0055] Before explaining the embodiment of the present application in detail, the application scenario of the embodiment of the present application will be described first. figure 1 It shows the structural block diagram of the communication system. At the sending end, the information source provides the data stream to be sent; the encoder receives the data stream and encodes it, and encodes the codeword information obtained by combining the parity bit and the information bit for transmission. After channel transmission, it reaches the receiving end; after receiving the wrong codeword information due to noise or other damage in the channel, the receiving end decodes it through the decoding device, restores the original data, and sends it to the sink. Among them, the decoding method provided by this application is applied to figure 1 The decoding device shown is a very important link in the communication system.

[0056] The decoding method provided by this application is a dyn...

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Abstract

The invention discloses a decoding method which can be applied to multiple scenes such as metropolitan area, a backbone network, data center interconnection and the like to meet the requirements of optical transmission. The method comprises the following steps: obtaining a syndrome corresponding to each code word in a plurality of code words; grouping the obtained syndromes, and performing priority ranking in each group of syndromes; and selecting the syndromes for decoding according to the priority ranking result of each group of syndromes. According to the decoding method, the same decoding processing is not carried out on each code word, so that the problem that the same number of times of decoding needs to be carried out no matter whether the code word is correct or not in a traditional static decoding scheme is avoided, on-demand decoding is realized, and the demand and power consumption of decoding resources are reduced.

Description

technical field [0001] The present application relates to a decoding technology, in particular to an on-demand decoding technology with low power consumption. Background technique [0002] Forward Error Correction (FEC) technology has been widely used in wireless cells, wireless networks, storage and high-speed optical transmission systems. The starting point of the forward error correction coding technology is to correct the bit error in the code stream by calculating the check bit in the code stream at the receiving end that has already generated a bit error by adding some parity bits when the transmitter is coding. , in order to reduce the signal-to-noise ratio (Optical Signal Noise Ratio, OSNR) tolerance of the receiving end, so as to improve the bit error rate performance of the system, improve the reliability of system communication, extend the transmission distance of the signal, reduce the transmission power of the transmitter and reduce the system cost purposes. ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03M13/19
CPCH03M13/19H03M13/152H03M13/159H03M13/3746H03M13/3707H03M13/45H03M13/6561H03M13/611
Inventor 梁伟光黄科超马会肖肖世尧耿东玉
Owner HUAWEI TECH CO LTD
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