Polar code bit position selecting method, device thereof and computer equipment

A technology of bit position and polar code, applied in the field of communication, can solve the problem of complex implementation of polar code bit position

Active Publication Date: 2019-01-29
ZTE CORP
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  • Description
  • Claims
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Problems solved by technology

[0003] In the traditional technology, for the encoding of polar codes, the bit positions are selected in the order of bits. When

Method used

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  • Polar code bit position selecting method, device thereof and computer equipment
  • Polar code bit position selecting method, device thereof and computer equipment
  • Polar code bit position selecting method, device thereof and computer equipment

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Embodiment Construction

[0025] In order to make the objectives, technical solutions, and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0026] It should be noted that, in the embodiment of the present invention, the oblique and bold letter K is used to represent the set K, the oblique and bold letter |K| is used to indicate the number of set elements in the set K, and the unbold and slanted letters are used K represents a numerical value, and other similar expressions have the same meaning.

[0027] See figure 1 In one embodiment, the present invention provides a polarization code bit position selection method, the method includes:

[0028] S100. Obtain the reliability sequence of the bit channel of the polarization code accord...

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Abstract

The invention relates to a polar code bit position selecting method, a device thereof and computer equipment. The method comprises the steps of acquiring a reliability sequence of a bit channel of thepolar code according to the signal-to-noise ratio of the transmission channel of the polar code; determining a length relation between the length of the transmission code word of the polar code and the length of the mother code word of the polar code; according to the length direction, acquiring the number of to-be-coded bits with different properties in the polar code; and according to the reliability sequence, the length relation and the number of the to-be-coded bits, acquiring the positions of the bits with different properties in the polar code in the bit channel. According to the polarcode bit position selecting method, combined selection can be performed on the bits with different properties in the polar code according to the reliability sequence of the bit channel. Compared witha traditional polar code bit position selecting method, the polar code bit position selecting method has advantages of ensuring internal relativity between the bits with different properties in the polar code, and obtaining high realization complexity.

Description

Technical field [0001] The present invention relates to the field of communication technology, and in particular to a method, device and computer equipment for selecting bit positions of polarization codes. Background technique [0002] Polar Codes is a channel coding scheme based on channel polarization-based digital signal processing technology. Channel polarization is to introduce binary memoryless channels through channel division and channel merging operations to introduce correlation, thereby obtaining a new set of interdependent binary polarization channels. When the number of channels participating in channel polarization is enough, the result is The channel capacity of the polarized channel (ie bit channel) will be polarized, that is, the capacity of some channels will tend to 1, and the rest will tend to 0. Using this polarization phenomenon, information bits can be carried on the channel Bit channels with high capacity, and fixed bits are carried on bit channels with ...

Claims

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Application Information

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IPC IPC(8): H04L1/00H03M13/13
CPCH03M13/13H04B17/336H04L1/0057H04L1/0076
Inventor 魏浩李杰任震
Owner ZTE CORP
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