Decoding method, encoding method and related apparatuses

The decoding method using a Reed-Muller-based generating set with automorphism ensemble decoders addresses the limitations of existing polar code decoding methods, improving performance and reducing latency in modern communication systems.

WO2026121979A1 Publication Date: 2026-06-11HUAWEI TECH CO LTD +1
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Patent Information

Application Number
PCT/RU2024/000356
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2026-06-11

AI Technical Summary

Technical Problem

Existing decoding methods for polar codes, such as Successive Cancellation List (SCL) and Reduced-Delay Automorphism Ensemble (RD-AE) decoding, face challenges with high computational complexity, increased latency, and limited error-correcting performance, particularly in challenging channel conditions and real-time communication scenarios.

Method used

A decoding method utilizing a first generating set based on Reed-Muller codes that excludes a constant monomial, allowing for automorphism ensemble decoders to process a portion of information bits, thereby improving decoding performance and reducing delay by leveraging automorphisms to permute and combine estimates efficiently.

Benefits of technology

The proposed method enhances decoding performance and reduces latency by utilizing a Reed-Muller-based generating set with automorphism ensemble decoders, enabling faster and more efficient decoding in various communication systems, including 5G and future wireless standards.

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Abstract

Embodiments of the present application provide a decoding method, an encoding method and related apparatuses. The method includes: acquiring a codeword; and decoding the codeword based on a first generating set and automorphism ensemble base decoders. The first generating set does not include a constant monomial, and the first generating set is based on a Reed-Muller code. Thus, the method could work on any automorphisms to improve decoding performance or reduce decoding delay.
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