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Method and device for implementing decode

A decoding and decoding operation technology, applied in the field of decoding, can solve the problems of consuming logic resources, affecting the decoding speed, and increasing the amount of calculation, so as to save logic resources, improve the decoding speed, and simplify the decoding process. Effect

Active Publication Date: 2010-05-19
HISILICON TECH
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Problems solved by technology

[0023] However, the inventor found in the process of implementing the decoding in the above-mentioned manner that due to the data switching back and forth between the GF domain and the binary domain, RAM (random access memory) queries are frequent and the amount of calculation increases, thereby consuming logic resources and affecting decoding speed

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  • Method and device for implementing decode
  • Method and device for implementing decode

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Embodiment Construction

[0043] The concrete realization of a method of the embodiment of the present invention is as follows Figure 4 shown, including:

[0044] Step 41: In the process of decoding, obtain the GF number and the binary number required in the product operation of the GF number and the binary number;

[0045] Step 42: convert the GF number from the GF domain to the binary domain, and obtain the binary number corresponding to the GF number; specifically, it can be realized by querying the conversion table from the GF domain to the binary domain;

[0046] Step 43: In the binary field, multiply the binary number corresponding to the GF number with the binary number required by the product operation to obtain the product; the specific values ​​of the binary number and the binary number corresponding to the GF number can be the same or can be Not the same; the binary number includes the determined binary number that needs to be multiplied by the GF number to obtain the product. Specifically...

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Abstract

This invention relates to a method and a device for realizing coding including: obtaining required Jialuohua few and binary system number, converting the Jialuohua few to a biary domain from Jialuohuafew to get a binary number corresponding to the Jialuohua few, multiplying the binary number corresponding to the Jialuohua number and the binary number necessary for product operation to get the product to carry out operation with it.

Description

technical field [0001] The present invention relates to the technical field of electronic communication, in particular to a method and device for realizing decoding. Background technique [0002] In communication technology, the receiver of data information does not know whether the received data packet is correct, so the receiver needs to use error correction code technology to detect and correct the received data packet. Error-correcting code technology is a technology to improve communication reliability, and is widely used in various communication systems, such as: CDMA (Code Division Multiple Access) system, GSM (Global Mobile Communications) system and digital TV. The BCH code (a codeword used to correct multiple random error cyclic codes) is a common type of error correction code, and the RS code (a codeword) is characterized by its strong error correction capability, convenient construction, The characteristics of simple coding have become a widely used error correc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03M13/00H03M13/15
Inventor 荆涛
Owner HISILICON TECH
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