Cell Broadcast Message Priority Scheme
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Solution Overview
Problem
Existing cell broadcast messaging systems display messages on a first-come, first-served basis, which can delay the display of urgent or important messages, making it difficult to prioritize higher priority messages effectively.
Innovation Solution
Implementing a priority scheme on mobile devices that assigns a priority level to cell broadcast channels, allowing messages to be displayed based on their priority level, which can be static or dynamic, and can be activated over-the-air or pre-loaded during manufacturing, ensuring that higher priority messages are displayed immediately.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If messages are displayed on a first-come, first-served basis, then the display method is simple, but important or urgent messages are delayed from being predominately displayed
Solution Approach 1:
The system pre-assigns priority levels to different cell broadcast channel types before messages arrive. When messages are received, their display order is already determined by these pre-established priority levels, eliminating the need for complex real-time priority arbitration and ensuring urgent messages are promptly displayed.
Solution Approach 2:
The patent introduces a priority level parameter for each cell broadcast channel, transforming the single-dimensional first-come-first-served display into a multi-dimensional priority-based display system. This parameter change enables the system to differentiate and prioritize message display without requiring complex control logic.
2Loss of time
If a priority scheme is implemented to display higher priority messages immediately, then message importance is properly reflected, but the system complexity increases
Solution Approach 1:
Priority levels are assigned to cell broadcast channels in advance, before messages are received. This preliminary assignment eliminates the need for complex real-time priority determination, reducing processing time and device complexity while ensuring urgent messages are displayed immediately.
Solution Approach 2:
Different priority levels are assigned to different cell broadcast channel types based on their specific purposes (e.g., emergency alerts receive higher priority than weather updates). This localized quality assignment optimizes display timing for each message type without requiring a universally complex control system.
3Loss of information
If multiple cell broadcast messages of varying types are sent simultaneously, then comprehensive information is provided, but important messages are delayed by the first-come, first-served display method
Solution Approach 1:
The system introduces a priority level parameter for each message type, allowing simultaneous messages to be displayed in priority order rather than arrival order. This ensures comprehensive information delivery while minimizing delay for urgent messages through parameter-based sorting.
Solution Approach 2:
Messages are segmented into different priority categories based on their type and importance. This segmentation allows the system to process and display multiple simultaneous messages efficiently, ensuring that urgent messages in higher priority segments are displayed first while still delivering all messages完整地.
Data Source
AI summary
Taught herein are devices, systems, and methods for creating, procuring, and maintaining a priority scheme for cell broadcast messages. In an exemplary embodiment, the priority scheme includes a plurality of cell broadcast channels (CBCH) that are assigned logic groups, which in turn are assigned a priority level. Accordingly, cell broadcast (CB) messages with higher priority levels are displayed first on the receiving device.