Decoding method and device

A decoding and decoding module technology, applied in the communication field, can solve the problems of low decoding efficiency and large decoding delay of the sequence to be decoded

Active Publication Date: 2020-08-11
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] This application provides a decoding method and device, which can be used to solve the problems of large decoding delay and low decoding efficiency of the sequence to be decoded

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Embodiment Construction

[0049] In order to make the objectives, technical solutions, and advantages of the present application clearer, the following will further describe the embodiments of the present application in detail with reference to the accompanying drawings.

[0050] Before describing the embodiments of the present application in detail, the implementation environment of the decoding method of the sequence to be decoded provided in the embodiments of the present application will be introduced.

[0051] figure 1 It is an implementation environment diagram of a decoding method provided by an embodiment of the present application. Such as figure 1 As shown, the implementation environment includes a network device 101 and a terminal 102.

[0052] Among them, the terminal 102 may be a device such as a smart phone, a smart watch, or a tablet computer. The network device 101 can provide communication services for the terminal 102. Specifically, the network device 101 may transmit downlink data to the ...

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Abstract

The invention discloses a decoding method and device, and belongs to the technical field of communication. The method comprises the following steps: receiving a to-be-decoded sequence; determining a plurality of decoding sequences according to the code length of the to-be-decoded sequence, each decoding sequence being used for indicating a sequence in which a plurality of bits corresponding to theto-be-decoded sequence are decoded; and decoding the to-be-decoded sequence in parallel according to various decoding sequences, and outputting a decoded bit sequence. According to the invention, multiple decoding sequences are determined according to the code length of the to-be-decoded sequence. Then, the to-be-decoded sequence is decoded according to the multiple decoding sequences at the sametime. Thus, a plurality of bits can be decoded at the same time in some decoding time slots, so that the time slots required for completely decoding the plurality of bits corresponding to the to-be-decoded sequence are reduced, the decoding time is shortened, and the decoding efficiency is improved.

Description

Technical field [0001] This application relates to the field of communication technology, and in particular to a decoding method and device. Background technique [0002] In recent years, the research on the decoding of polar codes has become a hot issue in the communication field. At present, the decoding methods of the sequence to be decoded are mainly divided into two types: sequential decoding and non-sequential decoding. Among them, time sequence decoding refers to decoding bit by bit according to the sequence of the sequence to be decoded. [0003] The current main timing decoding method is the successive cancellation (Successive Cancellation, SC) decoding method. In this decoding method, after receiving the sequence to be decoded Y N After that, you can first according to Y N Translate the first bit U 1 . After that, according to Y N And U 1 Decode, get the second bit U 2 . Get U 2 After that, according to Y N , U 1 And U 2 Decode, get the third bit U 3 . And so on, unt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H03M13/13
CPCH03M13/13H04L1/0054H04L1/0061
Inventor 刘凌顾佳琦沈晖李斌
Owner HUAWEI TECH CO LTD
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