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Coding method and device for polarization code

A polar code and coding technology, applied in the field of polar code coding, can solve problems such as poor performance of polar codes

Active Publication Date: 2019-02-26
HUAWEI TECH CO LTD
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  • Abstract
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Problems solved by technology

[0004] However, the performance of polar codes in the application process is not ideal at this stage, and needs to be further improved and improved.

Method used

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  • Coding method and device for polarization code
  • Coding method and device for polarization code
  • Coding method and device for polarization code

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Embodiment Construction

[0120] The technical solution in this application will be described below with reference to the accompanying drawings.

[0121] figure 1 It is a wireless communication system applicable to the embodiment of this application. The wireless communication system may include at least one network device, and the network device communicates with one or more terminal devices. The network device may be a base station, or a device integrated with a base station and a base station controller, or other devices with similar communication functions.

[0122] The wireless communication systems mentioned in the embodiments of this application include, but are not limited to: NarrowBand-Internet of Things (NB-IoT), Long Term Evolution (LTE), and the next-generation 5G mobile communication system. Large application scenarios, namely Enhance Mobile Broadband (eMBB), Ultra Reliable Low Latency Communication (URLLC) and Enhanced Massive Machine Type Communication (eMTC) or new emerging technolog...

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Abstract

The invention provides a coding method and device for a polarization code, and the method and device can improve the performance of the polarization code. The method comprises the steps that a transmitting device obtains a sequence corresponding to a required mother code length; the transmitting device obtains a to-be-coded bit; the transmitting device performs the polarization code encoding of the to-be-coded bit through the sequence corresponding to the required mother code length, and obtains the coded bit, wherein the sequence is generated according to a basic sequence, and the length of the basic length is less than the mother code length.

Description

technical field [0001] The present application relates to the field of channel coding, and more specifically, to a polar code coding method and device. Background technique [0002] As the most basic wireless access technology, channel coding plays a vital role in ensuring the reliability of data transmission. In an existing wireless communication system, generally, a Turbo code, a Low Density Parity Check code (Low Density Parity Check, LDPC) and a polar (Polar) code are used for channel coding. Turbo codes cannot support information transmission with too low or too high a code rate. For the transmission of short and medium packets, Turbo codes and LDPC codes are difficult to achieve ideal performance under limited code length due to their own coding and decoding characteristics. In terms of implementation, Turbo codes and LDPC codes have high computational complexity in the process of encoding and decoding. Polar (Polar) codes are theoretically proven to be good codes t...

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Application Information

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IPC IPC(8): H04L1/00
CPCH04L1/0041H04L1/0045H04L1/0057H03M13/13H04L1/00H03M13/033G06F7/24H03M13/612
Inventor 张公正张华滋李榕黄凌晨乔云飞
Owner HUAWEI TECH CO LTD
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