WEA Status Monitoring via End-User Broadcast Event Feedback
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Solution Overview
Problem
The existing WEA system lacks end-user level feedback and validation of service availability, relying solely on network-level acknowledgments from base stations, which does not account for potential failures in alert delivery and service coverage during extended alert durations.
Innovation Solution
Implementing broadcast event collecting software on end-user devices to monitor and report WEA service availability, capturing key parameters such as alert reception time, serving cell information, and user feedback, and transmitting this data to a backend server for real-time analysis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If network-level acknowledgments from base stations are used to validate service availability, then the system complexity is reduced, but the measurement precision of service availability is insufficient
Solution Approach 1:
The patent implements a feedback mechanism where end-user devices send acknowledgments to base stations when they successfully receive emergency alerts. This feedback loop provides network-level validation of service availability by confirming that alerts were successfully delivered to user devices, thereby improving measurement precision without excessive complexity
Solution Approach 2:
The patent introduces an intermediary validation layer between the base station and the end user. Instead of direct base station-to-network validation, the system uses end-user device acknowledgments as an intermediary proof of successful alert delivery, enhancing service availability measurement through third-party confirmation
2Reliability
If end-user device level monitoring is implemented, then the reliability of alert delivery validation is improved, but the device complexity increases
Solution Approach 1:
The patent enables end-user devices to self-monitor and self-report their alert reception status. The devices automatically detect when they receive emergency alerts and autonomously send confirmation messages to base stations without requiring complex external monitoring infrastructure, thereby improving reliability while keeping device complexity manageable
Solution Approach 2:
The patent implements a simplified monitoring approach where devices only report specific key events (alert reception confirmations) rather than continuously monitoring all system parameters. This partial monitoring strategy provides sufficient reliability for alert delivery validation without the overhead of comprehensive device-level surveillance
3Loss of information
If comprehensive service coverage monitoring is implemented, then the loss of information about service gaps is reduced, but the quantity of data to be processed increases
Solution Approach 1:
The patent extracts and reports only the most critical information elements from end-user devices, specifically focusing on alert reception confirmations and denial messages. By filtering out non-essential data and reporting only key service coverage indicators, the system reduces information loss about service gaps while keeping the quantity of processed data manageable
Solution Approach 2:
The patent implements selective data collection at end-user devices, monitoring only specific broadcast channels and alert messages rather than all wireless communications. This partial monitoring approach captures essential service coverage information while minimizing the overall data volume that requires processing and transmission
Data Source
AI summary
Aspects of the subject disclosure may include, for example, obtaining information related to broadcast alerts and transmitting that information to a backend server. A user device may include broadcast event collecting software that obtains information related to broadcast alerts received at the user device. The information related to broadcast alerts may then be transmitted to the backend server. Other embodiments are disclosed.