Relative decoding method of an OFDM frame

The method enhances decoding efficiency by leveraging relative information representation and symmetry/transitivity relations in communication systems, addressing the complexity of combining error correction and relative representations.

FR3167017A1Pending Publication Date: 2026-04-03ORANGE SA
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Patent Information

Application Number
FR2024010494
Authority / Receiving Office
FR · FR
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-09-30
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

Existing communication systems face challenges in efficiently decoding frames with relative information representation due to the complexity of combining error correction mechanisms with the inherent redundancy and relationships in relative representations, leading to increased processing time and complexity.

Method used

A method is proposed for decoding a coded frame by leveraging a relative representation of information, utilizing a probabilistic decoding process that incorporates symmetry and transitivity relations from a relative distributions tensor to enhance decoding efficiency.

Benefits of technology

The method optimizes decoding by enriching the decoding process with additional information redundancy, reducing processing time and complexity while improving the accuracy of symbol estimation.

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Abstract

A method for decoding a coded frame output from a transmission channel, said coded frame comprising coded symbols including an encoding on data relating to relative shifts between the initial variables, the method comprising the following steps: from the coded frame, obtain a tensor of relative distributions (P) comprising a plurality of relative distributions (Pi / i') representing probabilities of relative shifts between two given coded symbols (i, i'), obtain coding relations (S) linking the coded symbols and translating relative relations between the coded symbols, and complete them from at least one symmetry and / or transitivity relation between the relative distributions, from the coding relations thus completed, express relative relations between the relative distributions, determine, via a probabilistic decoding process using the coding relations (S), an estimate of decoded symbols.Figure from the summary: Figure 5.
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