AI-Assisted Data Block Transmission for XR Communication Load Reduction

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Solution Overview

Problem

Wireless communication systems face challenges in supporting complex Computer Graphics (CG) and Extended Reality (XR) services due to the high volume of data required, necessitating enhancements and improved performance evaluation.

Innovation Solution

Implementing artificial intelligence (AI) prediction models to selectively transmit data blocks, generating predicted and differential data blocks to reduce data transmission while maintaining communication quality, and utilizing distributed training methods for enhanced model efficiency and accuracy.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If AI prediction models are used to predict and transmit only differential data blocks, then data transmission volume is reduced, but communication quality may deteriorate

Engineering Contradiction:
Improvedata transmission volumeVSAvoidcommunication quality
Core Design Contradiction:
Quantity of substanceVSReliability

Solution Approach 1:

The patent segments data transmission into two parts: predicted data blocks generated by AI models and differential data blocks containing only changes. This segmentation allows the system to transmit minimal data while maintaining quality, as the receiver can reconstruct full data blocks by combining predictions with differentials.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent implements feedback mechanisms where the receiver provides information about prediction accuracy and communication quality to the transmitter. This feedback loop enables dynamic adjustment of the prediction model parameters and transmission strategy, ensuring communication quality is maintained while minimizing data transmission volume.

Inventive Principle:
Principle #23Feedback

2Measurement precision

If prediction models are trained using traditional methods, then training accuracy is achieved, but training efficiency is low

Engineering Contradiction:
Improvetraining accuracyVSAvoidtraining efficiency
Core Design Contradiction:
Measurement precisionVSProductivity

Solution Approach 1:

The patent applies preliminary action by pre-training prediction models using historical data and pre-computing prediction parameters. This allows the model to make accurate predictions during actual communication without requiring real-time training, thereby improving training efficiency while maintaining accuracy.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent uses partial action by training models selectively on relevant data patterns rather than attempting to learn everything. The model focuses on capturing essential characteristics of data streams, achieving sufficient accuracy with reduced training data and computational resources, thus improving training efficiency.

Inventive Principle:
Principle #16Partial or excessive action

3Measurement precision

If data transmission and model training are performed sequentially, then training accuracy is improved, but time consumption increases

Engineering Contradiction:
Improvetraining accuracyVSAvoidtime consumption
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The patent merges data transmission and model training operations by performing training in the background during transmission time. The receiver can train updated prediction models while receiving data streams, and the transmitter can send both data and training information simultaneously. This merging eliminates sequential execution and reduces overall time consumption while maintaining training accuracy.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The patent ensures continuity of useful action by overlapping transmission and training operations. Instead of stopping transmission to complete training, the system continuously performs both functions simultaneously, ensuring that data transmission never halts while training progresses in parallel, thus reducing time loss.

Inventive Principle:
Principle #20Continuity of useful action

Data Source

PatentEP4664947A1Communication method for artificial intelligence assistance, and related device
Publication Date: 2025.12.17 SONY GROUP CORP
  • EP4664947A1 patent drawingFigure 1
  • EP4664947A1 patent drawingFigure 2
  • EP4664947A1 patent drawingFigure 3

AI summary

Disclosed are communication methods for artificial intelligence assistance, and related devices. An exemplary communication method comprises: receiving a data stream including at least a first data block and a second data block; sending the first data block to a user equipment (UE); based on the first data block, using a prediction model to generate a second predicted data block; based on a difference between the second data block and the second predicted data block, generating a second differential data block; and sending the second differential data block to the UE.