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Decoding method, device and equipment

A decoding and path technology, applied in the field of communication, can solve problems such as high complexity and slow decoding speed, and achieve the effect of improving efficiency and reducing sorting complexity

Active Publication Date: 2022-05-06
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the above method has slow decoding speed and high complexity

Method used

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  • Decoding method, device and equipment
  • Decoding method, device and equipment
  • Decoding method, device and equipment

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Embodiment Construction

[0117] The embodiments of the present application can be applied to various fields using Polar coding, for example: the field of data storage, the field of optical network communication, the field of wireless communication, and so on. Among them, the wireless communication systems mentioned in the embodiment of the present application include but are not limited to: Narrow Band-Internet of Things (NB-IoT), Wimax, Long Term Evolution (LongTerm Evolution, LTE) and next-generation 5G mobile The three application scenarios of new radio (NR) in the communication system are enhanced mobile broadband (enhanced Mobile Broad Band, eMBB), ultra-reliable and low-latency communication (UltraReliable Low Latency Communication, URLLC) and large-scale machine communication ( massive Machine-Type Communications, mMTC). Certainly, other fields adopting Polar coding may also be used, which is not specifically limited in this application.

[0118] The communication device involved in this appli...

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Abstract

This application provides a decoding method, device and device. 1 This first decoding path, i is an integer, the received data corresponds to group P to be based on the decoding, P is an integer greater than 1, 1 <i ≤p, L, L 1 For the positive integer; determine the second decoding path corresponding to each first decoding path, L 1 The number of second decoding paths corresponding to at least one first decoding path in the first decoding path is different from the number of second decoding paths corresponding to other first decoding paths. Each first decodingThe number of second decoding path corresponding to the path is less than 2 n N is the number of information included in the decoded Bit in group i; in L 1 In the second decoding path corresponding to the first decoding path, determine at least one reserved decoding path for group i to be decoded. At least one reserved decoding path includes the decoding result of the i -i -based decoding Bit.Improved decoding efficiency.

Description

technical field [0001] The present application relates to the field of communication technologies, and in particular to a decoding method, device and equipment. Background technique [0002] In the field of communication technologies, communication devices (such as terminal devices, base stations, etc.) can perform channel coding and decoding by means of polar codes (Polar codes). [0003] In the prior art, when decoding by polar codes, the process of decoding by a parallel method using a Serial Cancellation List (SuccessiveCancellation List, SCL) algorithm is usually as follows: the bits to be decoded are divided into multiple groups of bits, And decode each group of bits in turn. Every time one group of bits is decoded, multiple decoding paths will be expanded, and a certain number of paths will be reserved from the multiple decoding paths for the next set of decoding, and finally multiple decoding result paths can be obtained, from which A decoding result on a decoding ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03M13/11
CPCH03M13/1105H03M13/1125H03M13/13H03M13/6561H03M13/6502H03M13/45
Inventor 马亮李航魏岳军
Owner HUAWEI TECH CO LTD
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