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Encoding method, decoding method, device and equipment

By configuring information bits, fixed bits and auxiliary bits in the 5G communication system, and performing scrambling processing, the scrambled sequence is generated for polarization coding, which solves the problems of low channel coding efficiency and large delay, and achieves a more efficient Channel detection.

Active Publication Date: 2020-08-21
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] However, there is no clear solution in the prior art for which coding method can improve the efficiency of coding and decoding, and improve the channel detection delay.

Method used

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Examples

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Embodiment Construction

[0158] The technical solutions of the embodiments of the present application can be applied to 5G communication systems or future communication systems, and can also be used in various other wireless communication systems, such as: Global System of Mobile communication (Global System of Mobile communication, GSM) system, code division multiple access ( CDMA, Code Division Multiple Access) system, Wideband Code Division Multiple Access (WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (LTE) system, LTE frequency Frequency Division Duplex (FDD) system, LTE Time Division Duplex (Time Division Duplex, TDD), Universal Mobile Telecommunications System (Universal Mobile Telecommunication System, UMTS), etc.

[0159] figure 1 It is a schematic diagram of the basic flow of common wireless communication, such as figure 1 As shown, at the sending end, the information source is sent out after undergoing information source coding, channel coding, and digital modulat...

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Abstract

The present application provides an encoding method, decoding method, device and equipment. The method includes: the sending device determines the position of the information bit, the position of the fixed bit and the position of the auxiliary bit, and configures the position in the sequence to be encoded according to the determined position Information bits, fixed bits and auxiliary bits; then obtain the scrambling sequence, determine the set of bits to be scrambled in the fixed bits and / or auxiliary bits, and scramble the bits in the set of bits to be scrambled according to the scrambling sequence to obtain the scrambled Sequence, and then perform polar coding to obtain the coded sequence for transmission. The receiving device performs decoding verification after receiving the sequence to be decoded, and performs verification when decoding to the scrambling bit position, and ends the decoding process if the verification fails. Signals that do not belong to the sending device are excluded in advance to reduce decoding delay and speed up detection.

Description

technical field [0001] The present application relates to communication technology, and in particular to an encoding method, decoding method, device and equipment. Background technique [0002] The rapid evolution of wireless communication indicates that the future 5G communication system will present some new features. The three most typical communication scenarios include enhanced Mobile Broadband (eMBB), massive Machine Type Communications (mMTC) And Ultra-Reliable and Low Latency Communications (URLLC). The requirements of these communication scenarios will pose new challenges to the Long Term Evolution (Long Term Evolution, LTE) technology. As the most basic wireless access technology, channel coding is one of the important research objects to meet the needs of 5G communication. [0003] Polar codes (Polar Codes) were developed in 2008 by A new type of channel coding is proposed. Polar codes are designed based on channel polarization (Channel Polarization), and are...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03M13/13H04L1/00
CPCH03M13/13H04L1/0009H04L1/0041H04L1/0065H04L1/0045H04L1/0057H04L1/0061H04W76/11H03M13/09H03M13/616H04W72/0466
Owner HUAWEI TECH CO LTD
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