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Decoding method and device, terminal, chip and storage medium

A decoding and decoding control technology, applied in the field of communication, can solve the problems of increasing the risk of decoding errors, decreasing the decoding efficiency of the terminal, and becoming larger.

Active Publication Date: 2021-01-05
ZEKU TECH (BEIJING) CORP LTD
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Problems solved by technology

However, while the traditional SCL decoding method overcomes the defect of missed detection, it also increases the false alarm ratio (FAR) of decoding, increases the risk of decoding errors, and further reduces the efficiency of terminal decoding. decline

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  • Decoding method and device, terminal, chip and storage medium
  • Decoding method and device, terminal, chip and storage medium
  • Decoding method and device, terminal, chip and storage medium

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Embodiment Construction

[0034] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. It should be understood that the specific embodiments described here are only used to explain the related application, not to limit the application. It should also be noted that, for the convenience of description, only the parts related to the relevant application are shown in the drawings.

[0035] In a new generation wireless communication system (New Radio, NR), a polarized coding method is generally used for channel coding. Polar code (Polar) code is a forward error correction coding scheme in a communication system. Through low-complexity channel polarization (channel polarization) processing, on the coding side, the bits that make up the codeword are placed in different sub-channels. It shows different reliability. When the code length continues to increase, some chann...

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Abstract

The embodiment of the invention discloses a decoding method and device, a terminal, a chip and a storage medium. The decoding method comprises the steps of receiving a to-be-decoded sequence; if the channel type corresponding to the to-be-decoded sequence is PDCCH, detecting the current working state; determining a decoding control strategy according to the channel type and the current working state; wherein the decoding control strategy comprises an illegal path discarding strategy and an illegal path reserving strategy; and decoding the to-be-decoded sequence according to the decoding control strategy.

Description

technical field [0001] The present invention relates to the technical field of communication, in particular to a decoding method and device, a terminal, a chip and a storage medium. Background technique [0002] In a new generation wireless communication system (New Radio, NR), a polarized coding method is generally used for channel coding. Through channel polarization, the communication channel can be polarized into a purenoisy bit-channel and a noiseless bit-channel. Noise bit channel for transmission, and then achieve the highest transmission rate of channel transmission. [0003] In order to improve the performance of the Polar code, the base station side mainly adopts a coding method: firstly perform Cyclic Redundancy Check (CRC) coding on the information block, and then perform polar coding on the CRC coded information block. Correspondingly, when the terminal is decoding, it needs to perform a CRC check on the code block before further implementing polar decoding. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H03M13/13
CPCH04L1/0054H04L1/0057H04L1/0061H03M13/13
Inventor 刘君
Owner ZEKU TECH (BEIJING) CORP LTD
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