Virtual Mobile Infrastructure Orientation Synchronization
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Solution Overview
Problem
Existing virtual mobile infrastructure systems face challenges in synchronizing orientation changes between client and remote devices, leading to a degraded user experience due to differences in local and remote UI orientations, especially on mobile devices that can rotate their screens.
Innovation Solution
A system and method that involves a client application on a mobile device registering device orientation changes and sending orientation event messages to a server, which generates synthetic accelerometer signals to update the remote UI orientation, ensuring the local UI is synchronized with the remote UI by transforming the display stream accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the local UI orientation is changed to match the remote UI orientation, then the user experience is improved, but additional network traffic is generated for communicating orientation changes
Solution Approach 1:
The patent extracts only the essential orientation information (orientation type and transformation matrix) from the complete display stream, sending only these critical parameters over the network rather than the entire video feed. This selective extraction minimizes network traffic while maintaining the ability to synchronize UI orientations effectively.
Solution Approach 2:
The system implements partial action by sending orientation change notifications only when actual orientation changes occur, rather than continuously streaming orientation data. This event-driven approach reduces network traffic to the minimum necessary while still achieving complete UI synchronization when needed.
2Ease of operation
If orientation synchronization is implemented, then the user experience is improved, but the system complexity increases
Solution Approach 1:
The patent introduces an intermediary orientation synchronization module that acts as a mediator between the local UI system and remote UI system. This module receives display streams, extracts orientation information, applies transformation matrices, and adjusts the local UI accordingly, centralizing the complexity in a dedicated component rather than distributing it throughout the entire system.
Solution Approach 2:
The system uses parameter changes by representing orientation states through discrete parameters (orientation types and transformation matrices) rather than complex geometric calculations. This parameterization simplifies the synchronization logic by reducing continuous orientation data to manageable discrete states that can be easily compared and applied.
3Stability of the object's composition
If the display stream is transformed to compensate for orientation changes, then the UI alignment is improved, but the processing time increases
Solution Approach 1:
The patent applies preliminary action by pre-calculating and storing transformation matrices for common orientation changes. When an orientation change is detected, the system retrieves the pre-computed transformation matrix and applies it immediately, rather than calculating the transformation in real-time during the orientation change event, thus reducing processing delay.
Data Source
AI summary
A mobile device comprising a client application configured to receive a display stream for a virtual display of a virtual device, render a remote display in a local system user interface (UI), register a device orientation change of the mobile device, send an orientation change event message to the server, change the local system UI orientation to match the new orientation of the remote system UI based on receipt of a UI orientation signal that indicates a new orientation of the remote system UI of the virtual device, transform the display stream to compensate for changing the local system UI orientation to match the new orientation of the remote system UI and render the remote display from the transformed display stream.