Cooperative Control for Multi-Screen User Equipment Interference

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Solution Overview

Problem

In multi-screen interaction scenarios, the interference between control operations from multiple users leads to poor user experience due to mutual interference of control data, causing unintended actions on the host device.

Innovation Solution

A cooperative control method where a host device combines operation data from multiple user equipment into combined operation data, processing it to create virtual multi-point touch events, which are then injected into the application, ensuring seamless and synchronized interactions across devices.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple user equipments perform reverse control simultaneously, then multi-screen interaction functionality is enhanced, but control data mutual interference occurs causing poor user experience

Engineering Contradiction:
Improvemulti-screen interaction functionalityVSAvoidcontrol data accuracy
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The patent segments the control data processing by introducing a timer that divides the control data reception period into distinct time intervals. Each user equipment sends control data in its own time slot, preventing overlap and mutual interference between different users' control commands while maintaining multi-screen interaction capability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent applies preliminary action by starting a timer before receiving control data from multiple user equipments. The timer establishes a predetermined time interval structure in advance, ensuring that control data is received and processed in a controlled sequence that prevents mutual interference while enabling simultaneous multi-user interaction.

Inventive Principle:
Principle #10Preliminary action

2Speed

If control data from multiple user equipments is received continuously, then real-time responsiveness is improved, but event sampling delay and mutual interference increase

Engineering Contradiction:
Improvereal-time responsivenessVSAvoidevent sampling delay
Core Design Contradiction:
SpeedVSLoss of time

Solution Approach 1:

The patent implements periodic action by using a timer that operates in cycles, receiving control data from user equipments at regular predetermined time intervals. This periodic reception pattern ensures real-time responsiveness while preventing event sampling delay by maintaining a consistent timing rhythm that coordinates multiple users' control data transmissions.

Inventive Principle:
Principle #19Periodic action

Solution Approach 2:

The patent maintains continuity of useful action by ensuring that the timer continuously monitors and receives control data from user equipments without interruption within the predetermined time interval. This continuous monitoring approach eliminates gaps in data reception while the timing mechanism prevents overlap, balancing real-time responsiveness with accurate event sampling.

Inventive Principle:
Principle #20Continuity of useful action

Data Source

PatentEP3826270B1Cooperative control method for user equipment, user equipment, and communications system
Publication Date: 2023.10.25 HUAWEI TECH CO LTD
  • EP3826270B1 patent drawingFigure 1~2
  • EP3826270B1 patent drawingFigure 3~4
  • EP3826270B1 patent drawingFigure 5

AI summary

The present invention discloses a cooperative control method for user equipment, including: receiving first operation data collected by first user equipment in a first time interval, and receiving, in a timing period of a started timer, second operation data collected by second user equipment in a second time interval; combining the first operation data and the second operation data after the timing period ends, to obtain combined operation data; updating a currently displayed graphical interface of a target application according to the combined operation data; and synchronizing an updated graphical interface to the first user equipment and the second user equipment. In embodiments of the present invention, multiple pieces of user operation data from multiple user equipments are combined into multi-point operation data, and then the multi-point operation data is injected into an application for processing, so as to resolve a reverse control interference problem in a multi-party interaction control scenario, so that multiple parties can perform a perfect cooperative operation on multiple devices.