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Coding method, wireless device and chip

A wireless device and coding method technology, applied in the field of coding, can solve the problems of large storage overhead, etc., and achieve the effect of reducing the bit error rate and ranking the channel reliability reasonably

Active Publication Date: 2017-11-10
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the prior art, in order to support all combinations of code lengths and code rates required by the system, a large number of mother code sequences need to be stored, therefore, the storage overhead of the system is extremely high

Method used

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  • Coding method, wireless device and chip
  • Coding method, wireless device and chip
  • Coding method, wireless device and chip

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Embodiment Construction

[0033] The technical solutions in the embodiments of the present invention will be described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0034] Embodiments of the present invention can be applied to various communication systems, for example, Global System of Mobile communication (GSM) system, Code Division Multiple Access (Code Division Multiple Access, CDMA) system, Wideband Code Division Multiple Access (Wideband Code Division Multiple Access, WCDMA) system, General Packet Radio Service (General Packet Radio Service, GPRS), Long Term Evolution (Long Term Evolution, LTE) system, LTE Frequency Division Duplex (Frequenc...

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Abstract

The invention relates to a coding method, a wireless device and a chip. The embodiment of the invention provides a coding method. The coding method comprises the steps of: according to the punching / shortening proportion P' and a pre-stored sequence S', obtaining a structural sequence S, the length of which is equal to a target code length M, wherein the S' includes indexes of N' channels arranged according to the channel reliability or capacity; and sorting of the channel indexes in the S and sorting of the channel indexes in the S' are same or different; and mapping a bit sequence to be sent to a channel corresponding to the S. By means of the method, coding can be carried out by generating the proper structural sequence S according to different punching / shortening proportions; and thus, the bit error rate is reduced.

Description

technical field [0001] The present invention relates to the field of coding, and more particularly, to a coding method, wireless device and chip. Background technique [0002] Communication systems usually use channel coding to improve the reliability of data transmission and ensure the quality of communication. Polar codes are theoretically proven to be able to obtain Shannon capacity, and have simple encoding and decoding methods. Polar codes are a type of linear block codes. Its generating matrix is ​​G N , whose encoding process is in, is a binary row vector, The length of the mother code sequence N=2 n , where n is a positive integer. is F 2 The Kronecker product of , defined as [0003] During the encoding process of Polar code, Some of the bits in are used to carry information, called information bits, and the set of serial numbers of these information bits is denoted as A. The other part of the bits is set to a fixed value pre-agreed by the transcei...

Claims

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Application Information

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IPC IPC(8): H04L1/00
CPCH04L1/0013H04L1/0057H03M13/13H04L1/0041H04L1/0061H04L25/0204
Inventor 张华滋李榕张公正徐晨
Owner HUAWEI TECH CO LTD
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