18151976. POLAR CODE ENCODING METHOD AND APPARATUS, AND DECODING METHOD AND APPARATUS simplified abstract (Huawei Technologies Co., Ltd.)

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POLAR CODE ENCODING METHOD AND APPARATUS, AND DECODING METHOD AND APPARATUS

Organization Name

Huawei Technologies Co., Ltd.

Inventor(s)

Jun Wang of Hangzhou (CN)

Wen Tong of Ottawa (CA)

Xianbin Wang of Hangzhou (CN)

Rong Li of Hangzhou (CN)

Yourui Huangfu of Hangzhou (CN)

Shengchen Dai of Hangzhou (CN)

Huazi Zhang of Hangzhou (CN)

Jian Wang of Beijing (CN)

POLAR CODE ENCODING METHOD AND APPARATUS, AND DECODING METHOD AND APPARATUS - A simplified explanation of the abstract

This abstract first appeared for US patent application 18151976 titled 'POLAR CODE ENCODING METHOD AND APPARATUS, AND DECODING METHOD AND APPARATUS

Simplified Explanation

The abstract describes a method for encoding data using polar codes. The method involves arranging the sequence numbers of polarized subchannels based on their reliability and using them to determine which subchannels will be used to encode the data. The encoded data is then rate matched and outputted.

  • The method involves obtaining to-be-encoded bits, a mother code length, and a first sequence.
  • The first sequence includes sequence numbers of polarized subchannels arranged based on their reliability.
  • The method determines which polarized subchannels will be used to encode the to-be-encoded bits.
  • Polarization encoding is performed on the to-be-encoded bits to obtain an encoded bit sequence.
  • Rate matching is performed on the encoded sequence to obtain a rate-matched sequence.
  • The rate-matched sequence is then outputted.

Potential Applications

  • This encoding method can be used in various communication systems, such as wireless communication, satellite communication, and optical communication.
  • It can be applied in scenarios where reliable and efficient data transmission is required, such as in 5G networks, Internet of Things (IoT) devices, and high-speed data communication.

Problems Solved

  • The method solves the problem of efficiently encoding data using polar codes.
  • It addresses the challenge of arranging subchannels based on their reliability to optimize the encoding process.
  • The method provides a solution for rate matching the encoded sequence to ensure compatibility with the communication system.

Benefits

  • The method improves the reliability and efficiency of data transmission by using polar codes.
  • It allows for flexible and adaptive encoding based on the reliability of subchannels.
  • The rate matching process ensures compatibility with different communication systems.
  • The method can enhance the overall performance and throughput of communication systems.


Original Abstract Submitted

A polar code encoding method includes obtaining, by an encoding apparatus, to-be-encoded bits, a mother code length, and a first sequence. The first sequence includes sequence numbers of polarized subchannels. The sequence numbers of the polarized subchannels are arranged in the first sequence based on reliability of the polarized subchannels. The method also includes determining, based on the first sequence, polarized subchannels used to contain the to-be-encoded bits, and performing polarization encoding on the to-be-encoded bits to obtain an encoded bit sequence. The method further includes performing rate matching on the encoded sequence to obtain a rate-matched sequence. The method additionally includes outputting the rate-matched sequence.

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