Server-Side Predictive Rendering to Prevent Cloud Gaming Freezes

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Solution Overview

Problem

Cloud gaming experiences processing delays and image freezing due to network fluctuations, which are not effectively addressed by existing technologies.

Innovation Solution

A server-side rendering method that predicts future user operations and renders images in advance to mitigate network instability, ensuring continuous image display even during network fluctuations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If real-time rendering is performed based on actual user operations, then image accuracy is improved, but processing delay increases and image freezing occurs during network fluctuations

Engineering Contradiction:
Improveimage accuracyVSAvoidprocessing delay
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The server performs preliminary rendering actions by predicting future user operations and rendering images in advance before actual operations occur. This preliminary action eliminates processing delay and prevents image freezing during network fluctuations while maintaining image accuracy through prediction algorithms.

Inventive Principle:
Principle #10Preliminary action

2Loss of time

If predictive rendering is implemented to reduce processing delay, then response time is improved, but system complexity increases

Engineering Contradiction:
Improveprocessing delayVSAvoidsystem complexity
Core Design Contradiction:
Loss of timeVSDevice complexity

Solution Approach 1:

The system implements feedback mechanisms where the server monitors actual user operations and compares them with predicted operations. This feedback loop allows the system to learn from actual user behavior patterns, improve prediction accuracy, and adjust rendering strategies dynamically, thereby reducing processing delay while managing system complexity through intelligent adaptation.

Inventive Principle:
Principle #23Feedback

Data Source

PatentEP4088795B1Rendering method and apparatus
Publication Date: 2025.08.13 HUAWEI TECH CO LTD
  • EP4088795B1 patent drawingFigure 1~2
  • EP4088795B1 patent drawingFigure 3
  • EP4088795B1 patent drawingFigure 4

AI summary

A rendering method and apparatus are provided. The rendering method includes: receiving a first operation instruction from a user (501); rendering, according to the first operation instruction, a first image of an application corresponding to the first operation instruction (503); predicting a second operation instruction according to the first operation instruction (504); rendering, according to the second operation instruction, a second image of the application corresponding to the second operation instruction (505); if no operation instruction is received from the terminal device user within preset duration during running of an app after the first operation instruction is received, predicting a user operation according to the received operation instruction, where the operation instruction is an instruction that is generated through triggering by the user operation and that may trigger image switching of the app; rendering an app image based on a predicted user operation; and sending a rendered app image to the terminal device user (506). The method shortens a processing delay and avoids image freezing.